From 39386d78bb9636e52d6a0487d5fa7bff6beab64e Mon Sep 17 00:00:00 2001 From: Dean Deng Date: Tue, 10 Dec 2019 13:04:32 -0800 Subject: Format fd_set parameters in select(2)/pselect(2) for strace. I1202 14:55:06.835076 7991 x:0] [ 1] select_test E select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0}) I1202 14:55:06.835102 7991 x:0] [ 1] select_test X select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0}) PiperOrigin-RevId: 284831805 --- pkg/sentry/strace/syscalls.go | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'pkg/sentry/strace/syscalls.go') diff --git a/pkg/sentry/strace/syscalls.go b/pkg/sentry/strace/syscalls.go index 3c389d375..e5d486c4e 100644 --- a/pkg/sentry/strace/syscalls.go +++ b/pkg/sentry/strace/syscalls.go @@ -206,6 +206,10 @@ const ( // PollFDs is an array of struct pollfd. The number of entries in the // array is in the next argument. PollFDs + + // SelectFDSet is an fd_set argument in select(2)/pselect(2). The number of + // fds represented must be the first argument. + SelectFDSet ) // defaultFormat is the syscall argument format to use if the actual format is -- cgit v1.2.3 From cb533f18cbb93e3f236ba191d1693e93716313b5 Mon Sep 17 00:00:00 2001 From: Haibo Xu Date: Mon, 18 Nov 2019 09:34:02 +0000 Subject: Enable pkg/sentry/strace support on arm64. Signed-off-by: Haibo Xu Change-Id: I006a1845b6aab2c2fdb9d80fffc1868a6a132ecd --- pkg/sentry/strace/BUILD | 3 +- pkg/sentry/strace/linux64.go | 367 ----------------------------------- pkg/sentry/strace/linux64_amd64.go | 382 +++++++++++++++++++++++++++++++++++++ pkg/sentry/strace/linux64_arm64.go | 323 +++++++++++++++++++++++++++++++ pkg/sentry/strace/syscalls.go | 9 +- 5 files changed, 708 insertions(+), 376 deletions(-) delete mode 100644 pkg/sentry/strace/linux64.go create mode 100644 pkg/sentry/strace/linux64_amd64.go create mode 100644 pkg/sentry/strace/linux64_arm64.go (limited to 'pkg/sentry/strace/syscalls.go') diff --git a/pkg/sentry/strace/BUILD b/pkg/sentry/strace/BUILD index d46421199..aa1ac720c 100644 --- a/pkg/sentry/strace/BUILD +++ b/pkg/sentry/strace/BUILD @@ -10,7 +10,8 @@ go_library( "capability.go", "clone.go", "futex.go", - "linux64.go", + "linux64_amd64.go", + "linux64_arm64.go", "open.go", "poll.go", "ptrace.go", diff --git a/pkg/sentry/strace/linux64.go b/pkg/sentry/strace/linux64.go deleted file mode 100644 index e603f858f..000000000 --- a/pkg/sentry/strace/linux64.go +++ /dev/null @@ -1,367 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package strace - -// linuxAMD64 provides a mapping of the Linux amd64 syscalls and their argument -// types for display / formatting. -var linuxAMD64 = SyscallMap{ - 0: makeSyscallInfo("read", FD, ReadBuffer, Hex), - 1: makeSyscallInfo("write", FD, WriteBuffer, Hex), - 2: makeSyscallInfo("open", Path, OpenFlags, Mode), - 3: makeSyscallInfo("close", FD), - 4: makeSyscallInfo("stat", Path, Stat), - 5: makeSyscallInfo("fstat", FD, Stat), - 6: makeSyscallInfo("lstat", Path, Stat), - 7: makeSyscallInfo("poll", PollFDs, Hex, Hex), - 8: makeSyscallInfo("lseek", Hex, Hex, Hex), - 9: makeSyscallInfo("mmap", Hex, Hex, Hex, Hex, FD, Hex), - 10: makeSyscallInfo("mprotect", Hex, Hex, Hex), - 11: makeSyscallInfo("munmap", Hex, Hex), - 12: makeSyscallInfo("brk", Hex), - 13: makeSyscallInfo("rt_sigaction", Signal, SigAction, PostSigAction), - 14: makeSyscallInfo("rt_sigprocmask", SignalMaskAction, SigSet, PostSigSet, Hex), - 15: makeSyscallInfo("rt_sigreturn"), - 16: makeSyscallInfo("ioctl", FD, Hex, Hex), - 17: makeSyscallInfo("pread64", FD, ReadBuffer, Hex, Hex), - 18: makeSyscallInfo("pwrite64", FD, WriteBuffer, Hex, Hex), - 19: makeSyscallInfo("readv", FD, ReadIOVec, Hex), - 20: makeSyscallInfo("writev", FD, WriteIOVec, Hex), - 21: makeSyscallInfo("access", Path, Oct), - 22: makeSyscallInfo("pipe", PipeFDs), - 23: makeSyscallInfo("select", Hex, SelectFDSet, SelectFDSet, SelectFDSet, Timeval), - 24: makeSyscallInfo("sched_yield"), - 25: makeSyscallInfo("mremap", Hex, Hex, Hex, Hex, Hex), - 26: makeSyscallInfo("msync", Hex, Hex, Hex), - 27: makeSyscallInfo("mincore", Hex, Hex, Hex), - 28: makeSyscallInfo("madvise", Hex, Hex, Hex), - 29: makeSyscallInfo("shmget", Hex, Hex, Hex), - 30: makeSyscallInfo("shmat", Hex, Hex, Hex), - 31: makeSyscallInfo("shmctl", Hex, Hex, Hex), - 32: makeSyscallInfo("dup", FD), - 33: makeSyscallInfo("dup2", FD, FD), - 34: makeSyscallInfo("pause"), - 35: makeSyscallInfo("nanosleep", Timespec, PostTimespec), - 36: makeSyscallInfo("getitimer", ItimerType, PostItimerVal), - 37: makeSyscallInfo("alarm", Hex), - 38: makeSyscallInfo("setitimer", ItimerType, ItimerVal, PostItimerVal), - 39: makeSyscallInfo("getpid"), - 40: makeSyscallInfo("sendfile", FD, FD, Hex, Hex), - 41: makeSyscallInfo("socket", SockFamily, SockType, SockProtocol), - 42: makeSyscallInfo("connect", FD, SockAddr, Hex), - 43: makeSyscallInfo("accept", FD, PostSockAddr, SockLen), - 44: makeSyscallInfo("sendto", FD, Hex, Hex, Hex, SockAddr, Hex), - 45: makeSyscallInfo("recvfrom", FD, Hex, Hex, Hex, PostSockAddr, SockLen), - 46: makeSyscallInfo("sendmsg", FD, SendMsgHdr, Hex), - 47: makeSyscallInfo("recvmsg", FD, RecvMsgHdr, Hex), - 48: makeSyscallInfo("shutdown", FD, Hex), - 49: makeSyscallInfo("bind", FD, SockAddr, Hex), - 50: makeSyscallInfo("listen", FD, Hex), - 51: makeSyscallInfo("getsockname", FD, PostSockAddr, SockLen), - 52: makeSyscallInfo("getpeername", FD, PostSockAddr, SockLen), - 53: makeSyscallInfo("socketpair", SockFamily, SockType, SockProtocol, Hex), - 54: makeSyscallInfo("setsockopt", FD, Hex, Hex, Hex, Hex), - 55: makeSyscallInfo("getsockopt", FD, Hex, Hex, Hex, Hex), - 56: makeSyscallInfo("clone", CloneFlags, Hex, Hex, Hex, Hex), - 57: makeSyscallInfo("fork"), - 58: makeSyscallInfo("vfork"), - 59: makeSyscallInfo("execve", Path, ExecveStringVector, ExecveStringVector), - 60: makeSyscallInfo("exit", Hex), - 61: makeSyscallInfo("wait4", Hex, Hex, Hex, Rusage), - 62: makeSyscallInfo("kill", Hex, Signal), - 63: makeSyscallInfo("uname", Uname), - 64: makeSyscallInfo("semget", Hex, Hex, Hex), - 65: makeSyscallInfo("semop", Hex, Hex, Hex), - 66: makeSyscallInfo("semctl", Hex, Hex, Hex, Hex), - 67: makeSyscallInfo("shmdt", Hex), - 68: makeSyscallInfo("msgget", Hex, Hex), - 69: makeSyscallInfo("msgsnd", Hex, Hex, Hex, Hex), - 70: makeSyscallInfo("msgrcv", Hex, Hex, Hex, Hex, Hex), - 71: makeSyscallInfo("msgctl", Hex, Hex, Hex), - 72: makeSyscallInfo("fcntl", FD, Hex, Hex), - 73: makeSyscallInfo("flock", FD, Hex), - 74: makeSyscallInfo("fsync", FD), - 75: makeSyscallInfo("fdatasync", FD), - 76: makeSyscallInfo("truncate", Path, Hex), - 77: makeSyscallInfo("ftruncate", FD, Hex), - 78: makeSyscallInfo("getdents", FD, Hex, Hex), - 79: makeSyscallInfo("getcwd", PostPath, Hex), - 80: makeSyscallInfo("chdir", Path), - 81: makeSyscallInfo("fchdir", FD), - 82: makeSyscallInfo("rename", Path, Path), - 83: makeSyscallInfo("mkdir", Path, Oct), - 84: makeSyscallInfo("rmdir", Path), - 85: makeSyscallInfo("creat", Path, Oct), - 86: makeSyscallInfo("link", Path, Path), - 87: makeSyscallInfo("unlink", Path), - 88: makeSyscallInfo("symlink", Path, Path), - 89: makeSyscallInfo("readlink", Path, ReadBuffer, Hex), - 90: makeSyscallInfo("chmod", Path, Mode), - 91: makeSyscallInfo("fchmod", FD, Mode), - 92: makeSyscallInfo("chown", Path, Hex, Hex), - 93: makeSyscallInfo("fchown", FD, Hex, Hex), - 94: makeSyscallInfo("lchown", Path, Hex, Hex), - 95: makeSyscallInfo("umask", Hex), - 96: makeSyscallInfo("gettimeofday", Timeval, Hex), - 97: makeSyscallInfo("getrlimit", Hex, Hex), - 98: makeSyscallInfo("getrusage", Hex, Rusage), - 99: makeSyscallInfo("sysinfo", Hex), - 100: makeSyscallInfo("times", Hex), - 101: makeSyscallInfo("ptrace", PtraceRequest, Hex, Hex, Hex), - 102: makeSyscallInfo("getuid"), - 103: makeSyscallInfo("syslog", Hex, Hex, Hex), - 104: makeSyscallInfo("getgid"), - 105: makeSyscallInfo("setuid", Hex), - 106: makeSyscallInfo("setgid", Hex), - 107: makeSyscallInfo("geteuid"), - 108: makeSyscallInfo("getegid"), - 109: makeSyscallInfo("setpgid", Hex, Hex), - 110: makeSyscallInfo("getppid"), - 111: makeSyscallInfo("getpgrp"), - 112: makeSyscallInfo("setsid"), - 113: makeSyscallInfo("setreuid", Hex, Hex), - 114: makeSyscallInfo("setregid", Hex, Hex), - 115: makeSyscallInfo("getgroups", Hex, Hex), - 116: makeSyscallInfo("setgroups", Hex, Hex), - 117: makeSyscallInfo("setresuid", Hex, Hex, Hex), - 118: makeSyscallInfo("getresuid", Hex, Hex, Hex), - 119: makeSyscallInfo("setresgid", Hex, Hex, Hex), - 120: makeSyscallInfo("getresgid", Hex, Hex, Hex), - 121: makeSyscallInfo("getpgid", Hex), - 122: makeSyscallInfo("setfsuid", Hex), - 123: makeSyscallInfo("setfsgid", Hex), - 124: makeSyscallInfo("getsid", Hex), - 125: makeSyscallInfo("capget", CapHeader, PostCapData), - 126: makeSyscallInfo("capset", CapHeader, CapData), - 127: makeSyscallInfo("rt_sigpending", Hex), - 128: makeSyscallInfo("rt_sigtimedwait", SigSet, Hex, Timespec, Hex), - 129: makeSyscallInfo("rt_sigqueueinfo", Hex, Signal, Hex), - 130: makeSyscallInfo("rt_sigsuspend", Hex), - 131: makeSyscallInfo("sigaltstack", Hex, Hex), - 132: makeSyscallInfo("utime", Path, Utimbuf), - 133: makeSyscallInfo("mknod", Path, Mode, Hex), - 134: makeSyscallInfo("uselib", Hex), - 135: makeSyscallInfo("personality", Hex), - 136: makeSyscallInfo("ustat", Hex, Hex), - 137: makeSyscallInfo("statfs", Path, Hex), - 138: makeSyscallInfo("fstatfs", FD, Hex), - 139: makeSyscallInfo("sysfs", Hex, Hex, Hex), - 140: makeSyscallInfo("getpriority", Hex, Hex), - 141: makeSyscallInfo("setpriority", Hex, Hex, Hex), - 142: makeSyscallInfo("sched_setparam", Hex, Hex), - 143: makeSyscallInfo("sched_getparam", Hex, Hex), - 144: makeSyscallInfo("sched_setscheduler", Hex, Hex, Hex), - 145: makeSyscallInfo("sched_getscheduler", Hex), - 146: makeSyscallInfo("sched_get_priority_max", Hex), - 147: makeSyscallInfo("sched_get_priority_min", Hex), - 148: makeSyscallInfo("sched_rr_get_interval", Hex, Hex), - 149: makeSyscallInfo("mlock", Hex, Hex), - 150: makeSyscallInfo("munlock", Hex, Hex), - 151: makeSyscallInfo("mlockall", Hex), - 152: makeSyscallInfo("munlockall"), - 153: makeSyscallInfo("vhangup"), - 154: makeSyscallInfo("modify_ldt", Hex, Hex, Hex), - 155: makeSyscallInfo("pivot_root", Path, Path), - 156: makeSyscallInfo("_sysctl", Hex), - 157: makeSyscallInfo("prctl", Hex, Hex, Hex, Hex, Hex), - 158: makeSyscallInfo("arch_prctl", Hex, Hex), - 159: makeSyscallInfo("adjtimex", Hex), - 160: makeSyscallInfo("setrlimit", Hex, Hex), - 161: makeSyscallInfo("chroot", Path), - 162: makeSyscallInfo("sync"), - 163: makeSyscallInfo("acct", Hex), - 164: makeSyscallInfo("settimeofday", Timeval, Hex), - 165: makeSyscallInfo("mount", Path, Path, Path, Hex, Path), - 166: makeSyscallInfo("umount2", Path, Hex), - 167: makeSyscallInfo("swapon", Hex, Hex), - 168: makeSyscallInfo("swapoff", Hex), - 169: makeSyscallInfo("reboot", Hex, Hex, Hex, Hex), - 170: makeSyscallInfo("sethostname", Hex, Hex), - 171: makeSyscallInfo("setdomainname", Hex, Hex), - 172: makeSyscallInfo("iopl", Hex), - 173: makeSyscallInfo("ioperm", Hex, Hex, Hex), - 174: makeSyscallInfo("create_module", Path, Hex), - 175: makeSyscallInfo("init_module", Hex, Hex, Hex), - 176: makeSyscallInfo("delete_module", Hex, Hex), - 177: makeSyscallInfo("get_kernel_syms", Hex), - // 178: query_module (only present in Linux < 2.6) - 179: makeSyscallInfo("quotactl", Hex, Hex, Hex, Hex), - 180: makeSyscallInfo("nfsservctl", Hex, Hex, Hex), - // 181: getpmsg (not implemented in the Linux kernel) - // 182: putpmsg (not implemented in the Linux kernel) - // 183: afs_syscall (not implemented in the Linux kernel) - // 184: tuxcall (not implemented in the Linux kernel) - // 185: security (not implemented in the Linux kernel) - 186: makeSyscallInfo("gettid"), - 187: makeSyscallInfo("readahead", Hex, Hex, Hex), - 188: makeSyscallInfo("setxattr", Path, Path, Hex, Hex, Hex), - 189: makeSyscallInfo("lsetxattr", Path, Path, Hex, Hex, Hex), - 190: makeSyscallInfo("fsetxattr", FD, Path, Hex, Hex, Hex), - 191: makeSyscallInfo("getxattr", Path, Path, Hex, Hex), - 192: makeSyscallInfo("lgetxattr", Path, Path, Hex, Hex), - 193: makeSyscallInfo("fgetxattr", FD, Path, Hex, Hex), - 194: makeSyscallInfo("listxattr", Path, Path, Hex), - 195: makeSyscallInfo("llistxattr", Path, Path, Hex), - 196: makeSyscallInfo("flistxattr", FD, Path, Hex), - 197: makeSyscallInfo("removexattr", Path, Path), - 198: makeSyscallInfo("lremovexattr", Path, Path), - 199: makeSyscallInfo("fremovexattr", FD, Path), - 200: makeSyscallInfo("tkill", Hex, Signal), - 201: makeSyscallInfo("time", Hex), - 202: makeSyscallInfo("futex", Hex, FutexOp, Hex, Timespec, Hex, Hex), - 203: makeSyscallInfo("sched_setaffinity", Hex, Hex, Hex), - 204: makeSyscallInfo("sched_getaffinity", Hex, Hex, Hex), - 205: makeSyscallInfo("set_thread_area", Hex), - 206: makeSyscallInfo("io_setup", Hex, Hex), - 207: makeSyscallInfo("io_destroy", Hex), - 208: makeSyscallInfo("io_getevents", Hex, Hex, Hex, Hex, Timespec), - 209: makeSyscallInfo("io_submit", Hex, Hex, Hex), - 210: makeSyscallInfo("io_cancel", Hex, Hex, Hex), - 211: makeSyscallInfo("get_thread_area", Hex), - 212: makeSyscallInfo("lookup_dcookie", Hex, Hex, Hex), - 213: makeSyscallInfo("epoll_create", Hex), - // 214: epoll_ctl_old (not implemented in the Linux kernel) - // 215: epoll_wait_old (not implemented in the Linux kernel) - 216: makeSyscallInfo("remap_file_pages", Hex, Hex, Hex, Hex, Hex), - 217: makeSyscallInfo("getdents64", FD, Hex, Hex), - 218: makeSyscallInfo("set_tid_address", Hex), - 219: makeSyscallInfo("restart_syscall"), - 220: makeSyscallInfo("semtimedop", Hex, Hex, Hex, Hex), - 221: makeSyscallInfo("fadvise64", FD, Hex, Hex, Hex), - 222: makeSyscallInfo("timer_create", Hex, Hex, Hex), - 223: makeSyscallInfo("timer_settime", Hex, Hex, ItimerSpec, PostItimerSpec), - 224: makeSyscallInfo("timer_gettime", Hex, PostItimerSpec), - 225: makeSyscallInfo("timer_getoverrun", Hex), - 226: makeSyscallInfo("timer_delete", Hex), - 227: makeSyscallInfo("clock_settime", Hex, Timespec), - 228: makeSyscallInfo("clock_gettime", Hex, PostTimespec), - 229: makeSyscallInfo("clock_getres", Hex, PostTimespec), - 230: makeSyscallInfo("clock_nanosleep", Hex, Hex, Timespec, PostTimespec), - 231: makeSyscallInfo("exit_group", Hex), - 232: makeSyscallInfo("epoll_wait", Hex, Hex, Hex, Hex), - 233: makeSyscallInfo("epoll_ctl", Hex, Hex, FD, Hex), - 234: makeSyscallInfo("tgkill", Hex, Hex, Signal), - 235: makeSyscallInfo("utimes", Path, Timeval), - // 236: vserver (not implemented in the Linux kernel) - 237: makeSyscallInfo("mbind", Hex, Hex, Hex, Hex, Hex, Hex), - 238: makeSyscallInfo("set_mempolicy", Hex, Hex, Hex), - 239: makeSyscallInfo("get_mempolicy", Hex, Hex, Hex, Hex, Hex), - 240: makeSyscallInfo("mq_open", Hex, Hex, Hex, Hex), - 241: makeSyscallInfo("mq_unlink", Hex), - 242: makeSyscallInfo("mq_timedsend", Hex, Hex, Hex, Hex, Hex), - 243: makeSyscallInfo("mq_timedreceive", Hex, Hex, Hex, Hex, Hex), - 244: makeSyscallInfo("mq_notify", Hex, Hex), - 245: makeSyscallInfo("mq_getsetattr", Hex, Hex, Hex), - 246: makeSyscallInfo("kexec_load", Hex, Hex, Hex, Hex), - 247: makeSyscallInfo("waitid", Hex, Hex, Hex, Hex, Rusage), - 248: makeSyscallInfo("add_key", Hex, Hex, Hex, Hex, Hex), - 249: makeSyscallInfo("request_key", Hex, Hex, Hex, Hex), - 250: makeSyscallInfo("keyctl", Hex, Hex, Hex, Hex, Hex), - 251: makeSyscallInfo("ioprio_set", Hex, Hex, Hex), - 252: makeSyscallInfo("ioprio_get", Hex, Hex), - 253: makeSyscallInfo("inotify_init"), - 254: makeSyscallInfo("inotify_add_watch", Hex, Path, Hex), - 255: makeSyscallInfo("inotify_rm_watch", Hex, Hex), - 256: makeSyscallInfo("migrate_pages", Hex, Hex, Hex, Hex), - 257: makeSyscallInfo("openat", FD, Path, OpenFlags, Mode), - 258: makeSyscallInfo("mkdirat", FD, Path, Hex), - 259: makeSyscallInfo("mknodat", FD, Path, Mode, Hex), - 260: makeSyscallInfo("fchownat", FD, Path, Hex, Hex, Hex), - 261: makeSyscallInfo("futimesat", FD, Path, Hex), - 262: makeSyscallInfo("newfstatat", FD, Path, Stat, Hex), - 263: makeSyscallInfo("unlinkat", FD, Path, Hex), - 264: makeSyscallInfo("renameat", FD, Path, Hex, Path), - 265: makeSyscallInfo("linkat", FD, Path, Hex, Path, Hex), - 266: makeSyscallInfo("symlinkat", Path, Hex, Path), - 267: makeSyscallInfo("readlinkat", FD, Path, ReadBuffer, Hex), - 268: makeSyscallInfo("fchmodat", FD, Path, Mode), - 269: makeSyscallInfo("faccessat", FD, Path, Oct, Hex), - 270: makeSyscallInfo("pselect6", Hex, SelectFDSet, SelectFDSet, SelectFDSet, Timespec, SigSet), - 271: makeSyscallInfo("ppoll", PollFDs, Hex, Timespec, SigSet, Hex), - 272: makeSyscallInfo("unshare", CloneFlags), - 273: makeSyscallInfo("set_robust_list", Hex, Hex), - 274: makeSyscallInfo("get_robust_list", Hex, Hex, Hex), - 275: makeSyscallInfo("splice", FD, Hex, FD, Hex, Hex, Hex), - 276: makeSyscallInfo("tee", FD, FD, Hex, Hex), - 277: makeSyscallInfo("sync_file_range", FD, Hex, Hex, Hex), - 278: makeSyscallInfo("vmsplice", FD, Hex, Hex, Hex), - 279: makeSyscallInfo("move_pages", Hex, Hex, Hex, Hex, Hex, Hex), - 280: makeSyscallInfo("utimensat", FD, Path, UTimeTimespec, Hex), - 281: makeSyscallInfo("epoll_pwait", Hex, Hex, Hex, Hex, SigSet, Hex), - 282: makeSyscallInfo("signalfd", Hex, Hex, Hex), - 283: makeSyscallInfo("timerfd_create", Hex, Hex), - 284: makeSyscallInfo("eventfd", Hex), - 285: makeSyscallInfo("fallocate", FD, Hex, Hex, Hex), - 286: makeSyscallInfo("timerfd_settime", FD, Hex, ItimerSpec, PostItimerSpec), - 287: makeSyscallInfo("timerfd_gettime", FD, PostItimerSpec), - 288: makeSyscallInfo("accept4", FD, PostSockAddr, SockLen, SockFlags), - 289: makeSyscallInfo("signalfd4", Hex, Hex, Hex, Hex), - 290: makeSyscallInfo("eventfd2", Hex, Hex), - 291: makeSyscallInfo("epoll_create1", Hex), - 292: makeSyscallInfo("dup3", FD, FD, Hex), - 293: makeSyscallInfo("pipe2", PipeFDs, Hex), - 294: makeSyscallInfo("inotify_init1", Hex), - 295: makeSyscallInfo("preadv", FD, ReadIOVec, Hex, Hex), - 296: makeSyscallInfo("pwritev", FD, WriteIOVec, Hex, Hex), - 297: makeSyscallInfo("rt_tgsigqueueinfo", Hex, Hex, Signal, Hex), - 298: makeSyscallInfo("perf_event_open", Hex, Hex, Hex, Hex, Hex), - 299: makeSyscallInfo("recvmmsg", FD, Hex, Hex, Hex, Hex), - 300: makeSyscallInfo("fanotify_init", Hex, Hex), - 301: makeSyscallInfo("fanotify_mark", Hex, Hex, Hex, Hex, Hex), - 302: makeSyscallInfo("prlimit64", Hex, Hex, Hex, Hex), - 303: makeSyscallInfo("name_to_handle_at", FD, Hex, Hex, Hex, Hex), - 304: makeSyscallInfo("open_by_handle_at", FD, Hex, Hex), - 305: makeSyscallInfo("clock_adjtime", Hex, Hex), - 306: makeSyscallInfo("syncfs", FD), - 307: makeSyscallInfo("sendmmsg", FD, Hex, Hex, Hex), - 308: makeSyscallInfo("setns", FD, Hex), - 309: makeSyscallInfo("getcpu", Hex, Hex, Hex), - 310: makeSyscallInfo("process_vm_readv", Hex, ReadIOVec, Hex, IOVec, Hex, Hex), - 311: makeSyscallInfo("process_vm_writev", Hex, IOVec, Hex, WriteIOVec, Hex, Hex), - 312: makeSyscallInfo("kcmp", Hex, Hex, Hex, Hex, Hex), - 313: makeSyscallInfo("finit_module", Hex, Hex, Hex), - 314: makeSyscallInfo("sched_setattr", Hex, Hex, Hex), - 315: makeSyscallInfo("sched_getattr", Hex, Hex, Hex), - 316: makeSyscallInfo("renameat2", FD, Path, Hex, Path, Hex), - 317: makeSyscallInfo("seccomp", Hex, Hex, Hex), - 318: makeSyscallInfo("getrandom", Hex, Hex, Hex), - 319: makeSyscallInfo("memfd_create", Path, Hex), // Not quite a path, but close. - 320: makeSyscallInfo("kexec_file_load", FD, FD, Hex, Hex, Hex), - 321: makeSyscallInfo("bpf", Hex, Hex, Hex), - 322: makeSyscallInfo("execveat", FD, Path, ExecveStringVector, ExecveStringVector, Hex), - 323: makeSyscallInfo("userfaultfd", Hex), - 324: makeSyscallInfo("membarrier", Hex, Hex), - 325: makeSyscallInfo("mlock2", Hex, Hex, Hex), - 326: makeSyscallInfo("copy_file_range", FD, Hex, FD, Hex, Hex, Hex), - 327: makeSyscallInfo("preadv2", FD, ReadIOVec, Hex, Hex, Hex), - 328: makeSyscallInfo("pwritev2", FD, WriteIOVec, Hex, Hex, Hex), - 329: makeSyscallInfo("pkey_mprotect", Hex, Hex, Hex, Hex), - 330: makeSyscallInfo("pkey_alloc", Hex, Hex), - 331: makeSyscallInfo("pkey_free", Hex), - 332: makeSyscallInfo("statx", FD, Path, Hex, Hex, Hex), - 333: makeSyscallInfo("io_pgetevents", Hex, Hex, Hex, Hex, Timespec, SigSet), - 334: makeSyscallInfo("rseq", Hex, Hex, Hex, Hex), - 424: makeSyscallInfo("pidfd_send_signal", FD, Signal, Hex, Hex), - 425: makeSyscallInfo("io_uring_setup", Hex, Hex), - 426: makeSyscallInfo("io_uring_enter", FD, Hex, Hex, Hex, SigSet, Hex), - 427: makeSyscallInfo("io_uring_register", FD, Hex, Hex, Hex), - 428: makeSyscallInfo("open_tree", FD, Path, Hex), - 429: makeSyscallInfo("move_mount", FD, Path, FD, Path, Hex), - 430: makeSyscallInfo("fsopen", Path, Hex), // Not quite a path, but close. - 431: makeSyscallInfo("fsconfig", FD, Hex, Hex, Hex, Hex), - 432: makeSyscallInfo("fsmount", FD, Hex, Hex), - 433: makeSyscallInfo("fspick", FD, Path, Hex), - 434: makeSyscallInfo("pidfd_open", Hex, Hex), - 435: makeSyscallInfo("clone3", Hex, Hex), -} diff --git a/pkg/sentry/strace/linux64_amd64.go b/pkg/sentry/strace/linux64_amd64.go new file mode 100644 index 000000000..9fa2f0e16 --- /dev/null +++ b/pkg/sentry/strace/linux64_amd64.go @@ -0,0 +1,382 @@ +// Copyright 2019 The gVisor Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build amd64 + +package strace + +import ( + "gvisor.dev/gvisor/pkg/abi" + "gvisor.dev/gvisor/pkg/sentry/arch" +) + +// linuxAMD64 provides a mapping of the Linux amd64 syscalls and their argument +// types for display / formatting. +var linuxAMD64 = SyscallMap{ + 0: makeSyscallInfo("read", FD, ReadBuffer, Hex), + 1: makeSyscallInfo("write", FD, WriteBuffer, Hex), + 2: makeSyscallInfo("open", Path, OpenFlags, Mode), + 3: makeSyscallInfo("close", FD), + 4: makeSyscallInfo("stat", Path, Stat), + 5: makeSyscallInfo("fstat", FD, Stat), + 6: makeSyscallInfo("lstat", Path, Stat), + 7: makeSyscallInfo("poll", PollFDs, Hex, Hex), + 8: makeSyscallInfo("lseek", Hex, Hex, Hex), + 9: makeSyscallInfo("mmap", Hex, Hex, Hex, Hex, FD, Hex), + 10: makeSyscallInfo("mprotect", Hex, Hex, Hex), + 11: makeSyscallInfo("munmap", Hex, Hex), + 12: makeSyscallInfo("brk", Hex), + 13: makeSyscallInfo("rt_sigaction", Signal, SigAction, PostSigAction), + 14: makeSyscallInfo("rt_sigprocmask", SignalMaskAction, SigSet, PostSigSet, Hex), + 15: makeSyscallInfo("rt_sigreturn"), + 16: makeSyscallInfo("ioctl", FD, Hex, Hex), + 17: makeSyscallInfo("pread64", FD, ReadBuffer, Hex, Hex), + 18: makeSyscallInfo("pwrite64", FD, WriteBuffer, Hex, Hex), + 19: makeSyscallInfo("readv", FD, ReadIOVec, Hex), + 20: makeSyscallInfo("writev", FD, WriteIOVec, Hex), + 21: makeSyscallInfo("access", Path, Oct), + 22: makeSyscallInfo("pipe", PipeFDs), + 23: makeSyscallInfo("select", Hex, SelectFDSet, SelectFDSet, SelectFDSet, Timeval), + 24: makeSyscallInfo("sched_yield"), + 25: makeSyscallInfo("mremap", Hex, Hex, Hex, Hex, Hex), + 26: makeSyscallInfo("msync", Hex, Hex, Hex), + 27: makeSyscallInfo("mincore", Hex, Hex, Hex), + 28: makeSyscallInfo("madvise", Hex, Hex, Hex), + 29: makeSyscallInfo("shmget", Hex, Hex, Hex), + 30: makeSyscallInfo("shmat", Hex, Hex, Hex), + 31: makeSyscallInfo("shmctl", Hex, Hex, Hex), + 32: makeSyscallInfo("dup", FD), + 33: makeSyscallInfo("dup2", FD, FD), + 34: makeSyscallInfo("pause"), + 35: makeSyscallInfo("nanosleep", Timespec, PostTimespec), + 36: makeSyscallInfo("getitimer", ItimerType, PostItimerVal), + 37: makeSyscallInfo("alarm", Hex), + 38: makeSyscallInfo("setitimer", ItimerType, ItimerVal, PostItimerVal), + 39: makeSyscallInfo("getpid"), + 40: makeSyscallInfo("sendfile", FD, FD, Hex, Hex), + 41: makeSyscallInfo("socket", SockFamily, SockType, SockProtocol), + 42: makeSyscallInfo("connect", FD, SockAddr, Hex), + 43: makeSyscallInfo("accept", FD, PostSockAddr, SockLen), + 44: makeSyscallInfo("sendto", FD, Hex, Hex, Hex, SockAddr, Hex), + 45: makeSyscallInfo("recvfrom", FD, Hex, Hex, Hex, PostSockAddr, SockLen), + 46: makeSyscallInfo("sendmsg", FD, SendMsgHdr, Hex), + 47: makeSyscallInfo("recvmsg", FD, RecvMsgHdr, Hex), + 48: makeSyscallInfo("shutdown", FD, Hex), + 49: makeSyscallInfo("bind", FD, SockAddr, Hex), + 50: makeSyscallInfo("listen", FD, Hex), + 51: makeSyscallInfo("getsockname", FD, PostSockAddr, SockLen), + 52: makeSyscallInfo("getpeername", FD, PostSockAddr, SockLen), + 53: makeSyscallInfo("socketpair", SockFamily, SockType, SockProtocol, Hex), + 54: makeSyscallInfo("setsockopt", FD, Hex, Hex, Hex, Hex), + 55: makeSyscallInfo("getsockopt", FD, Hex, Hex, Hex, Hex), + 56: makeSyscallInfo("clone", CloneFlags, Hex, Hex, Hex, Hex), + 57: makeSyscallInfo("fork"), + 58: makeSyscallInfo("vfork"), + 59: makeSyscallInfo("execve", Path, ExecveStringVector, ExecveStringVector), + 60: makeSyscallInfo("exit", Hex), + 61: makeSyscallInfo("wait4", Hex, Hex, Hex, Rusage), + 62: makeSyscallInfo("kill", Hex, Signal), + 63: makeSyscallInfo("uname", Uname), + 64: makeSyscallInfo("semget", Hex, Hex, Hex), + 65: makeSyscallInfo("semop", Hex, Hex, Hex), + 66: makeSyscallInfo("semctl", Hex, Hex, Hex, Hex), + 67: makeSyscallInfo("shmdt", Hex), + 68: makeSyscallInfo("msgget", Hex, Hex), + 69: makeSyscallInfo("msgsnd", Hex, Hex, Hex, Hex), + 70: makeSyscallInfo("msgrcv", Hex, Hex, Hex, Hex, Hex), + 71: makeSyscallInfo("msgctl", Hex, Hex, Hex), + 72: makeSyscallInfo("fcntl", FD, Hex, Hex), + 73: makeSyscallInfo("flock", FD, Hex), + 74: makeSyscallInfo("fsync", FD), + 75: makeSyscallInfo("fdatasync", FD), + 76: makeSyscallInfo("truncate", Path, Hex), + 77: makeSyscallInfo("ftruncate", FD, Hex), + 78: makeSyscallInfo("getdents", FD, Hex, Hex), + 79: makeSyscallInfo("getcwd", PostPath, Hex), + 80: makeSyscallInfo("chdir", Path), + 81: makeSyscallInfo("fchdir", FD), + 82: makeSyscallInfo("rename", Path, Path), + 83: makeSyscallInfo("mkdir", Path, Oct), + 84: makeSyscallInfo("rmdir", Path), + 85: makeSyscallInfo("creat", Path, Oct), + 86: makeSyscallInfo("link", Path, Path), + 87: makeSyscallInfo("unlink", Path), + 88: makeSyscallInfo("symlink", Path, Path), + 89: makeSyscallInfo("readlink", Path, ReadBuffer, Hex), + 90: makeSyscallInfo("chmod", Path, Mode), + 91: makeSyscallInfo("fchmod", FD, Mode), + 92: makeSyscallInfo("chown", Path, Hex, Hex), + 93: makeSyscallInfo("fchown", FD, Hex, Hex), + 94: makeSyscallInfo("lchown", Path, Hex, Hex), + 95: makeSyscallInfo("umask", Hex), + 96: makeSyscallInfo("gettimeofday", Timeval, Hex), + 97: makeSyscallInfo("getrlimit", Hex, Hex), + 98: makeSyscallInfo("getrusage", Hex, Rusage), + 99: makeSyscallInfo("sysinfo", Hex), + 100: makeSyscallInfo("times", Hex), + 101: makeSyscallInfo("ptrace", PtraceRequest, Hex, Hex, Hex), + 102: makeSyscallInfo("getuid"), + 103: makeSyscallInfo("syslog", Hex, Hex, Hex), + 104: makeSyscallInfo("getgid"), + 105: makeSyscallInfo("setuid", Hex), + 106: makeSyscallInfo("setgid", Hex), + 107: makeSyscallInfo("geteuid"), + 108: makeSyscallInfo("getegid"), + 109: makeSyscallInfo("setpgid", Hex, Hex), + 110: makeSyscallInfo("getppid"), + 111: makeSyscallInfo("getpgrp"), + 112: makeSyscallInfo("setsid"), + 113: makeSyscallInfo("setreuid", Hex, Hex), + 114: makeSyscallInfo("setregid", Hex, Hex), + 115: makeSyscallInfo("getgroups", Hex, Hex), + 116: makeSyscallInfo("setgroups", Hex, Hex), + 117: makeSyscallInfo("setresuid", Hex, Hex, Hex), + 118: makeSyscallInfo("getresuid", Hex, Hex, Hex), + 119: makeSyscallInfo("setresgid", Hex, Hex, Hex), + 120: makeSyscallInfo("getresgid", Hex, Hex, Hex), + 121: makeSyscallInfo("getpgid", Hex), + 122: makeSyscallInfo("setfsuid", Hex), + 123: makeSyscallInfo("setfsgid", Hex), + 124: makeSyscallInfo("getsid", Hex), + 125: makeSyscallInfo("capget", CapHeader, PostCapData), + 126: makeSyscallInfo("capset", CapHeader, CapData), + 127: makeSyscallInfo("rt_sigpending", Hex), + 128: makeSyscallInfo("rt_sigtimedwait", SigSet, Hex, Timespec, Hex), + 129: makeSyscallInfo("rt_sigqueueinfo", Hex, Signal, Hex), + 130: makeSyscallInfo("rt_sigsuspend", Hex), + 131: makeSyscallInfo("sigaltstack", Hex, Hex), + 132: makeSyscallInfo("utime", Path, Utimbuf), + 133: makeSyscallInfo("mknod", Path, Mode, Hex), + 134: makeSyscallInfo("uselib", Hex), + 135: makeSyscallInfo("personality", Hex), + 136: makeSyscallInfo("ustat", Hex, Hex), + 137: makeSyscallInfo("statfs", Path, Hex), + 138: makeSyscallInfo("fstatfs", FD, Hex), + 139: makeSyscallInfo("sysfs", Hex, Hex, Hex), + 140: makeSyscallInfo("getpriority", Hex, Hex), + 141: makeSyscallInfo("setpriority", Hex, Hex, Hex), + 142: makeSyscallInfo("sched_setparam", Hex, Hex), + 143: makeSyscallInfo("sched_getparam", Hex, Hex), + 144: makeSyscallInfo("sched_setscheduler", Hex, Hex, Hex), + 145: makeSyscallInfo("sched_getscheduler", Hex), + 146: makeSyscallInfo("sched_get_priority_max", Hex), + 147: makeSyscallInfo("sched_get_priority_min", Hex), + 148: makeSyscallInfo("sched_rr_get_interval", Hex, Hex), + 149: makeSyscallInfo("mlock", Hex, Hex), + 150: makeSyscallInfo("munlock", Hex, Hex), + 151: makeSyscallInfo("mlockall", Hex), + 152: makeSyscallInfo("munlockall"), + 153: makeSyscallInfo("vhangup"), + 154: makeSyscallInfo("modify_ldt", Hex, Hex, Hex), + 155: makeSyscallInfo("pivot_root", Path, Path), + 156: makeSyscallInfo("_sysctl", Hex), + 157: makeSyscallInfo("prctl", Hex, Hex, Hex, Hex, Hex), + 158: makeSyscallInfo("arch_prctl", Hex, Hex), + 159: makeSyscallInfo("adjtimex", Hex), + 160: makeSyscallInfo("setrlimit", Hex, Hex), + 161: makeSyscallInfo("chroot", Path), + 162: makeSyscallInfo("sync"), + 163: makeSyscallInfo("acct", Hex), + 164: makeSyscallInfo("settimeofday", Timeval, Hex), + 165: makeSyscallInfo("mount", Path, Path, Path, Hex, Path), + 166: makeSyscallInfo("umount2", Path, Hex), + 167: makeSyscallInfo("swapon", Hex, Hex), + 168: makeSyscallInfo("swapoff", Hex), + 169: makeSyscallInfo("reboot", Hex, Hex, Hex, Hex), + 170: makeSyscallInfo("sethostname", Hex, Hex), + 171: makeSyscallInfo("setdomainname", Hex, Hex), + 172: makeSyscallInfo("iopl", Hex), + 173: makeSyscallInfo("ioperm", Hex, Hex, Hex), + 174: makeSyscallInfo("create_module", Path, Hex), + 175: makeSyscallInfo("init_module", Hex, Hex, Hex), + 176: makeSyscallInfo("delete_module", Hex, Hex), + 177: makeSyscallInfo("get_kernel_syms", Hex), + // 178: query_module (only present in Linux < 2.6) + 179: makeSyscallInfo("quotactl", Hex, Hex, Hex, Hex), + 180: makeSyscallInfo("nfsservctl", Hex, Hex, Hex), + // 181: getpmsg (not implemented in the Linux kernel) + // 182: putpmsg (not implemented in the Linux kernel) + // 183: afs_syscall (not implemented in the Linux kernel) + // 184: tuxcall (not implemented in the Linux kernel) + // 185: security (not implemented in the Linux kernel) + 186: makeSyscallInfo("gettid"), + 187: makeSyscallInfo("readahead", Hex, Hex, Hex), + 188: makeSyscallInfo("setxattr", Path, Path, Hex, Hex, Hex), + 189: makeSyscallInfo("lsetxattr", Path, Path, Hex, Hex, Hex), + 190: makeSyscallInfo("fsetxattr", FD, Path, Hex, Hex, Hex), + 191: makeSyscallInfo("getxattr", Path, Path, Hex, Hex), + 192: makeSyscallInfo("lgetxattr", Path, Path, Hex, Hex), + 193: makeSyscallInfo("fgetxattr", FD, Path, Hex, Hex), + 194: makeSyscallInfo("listxattr", Path, Path, Hex), + 195: makeSyscallInfo("llistxattr", Path, Path, Hex), + 196: makeSyscallInfo("flistxattr", FD, Path, Hex), + 197: makeSyscallInfo("removexattr", Path, Path), + 198: makeSyscallInfo("lremovexattr", Path, Path), + 199: makeSyscallInfo("fremovexattr", FD, Path), + 200: makeSyscallInfo("tkill", Hex, Signal), + 201: makeSyscallInfo("time", Hex), + 202: makeSyscallInfo("futex", Hex, FutexOp, Hex, Timespec, Hex, Hex), + 203: makeSyscallInfo("sched_setaffinity", Hex, Hex, Hex), + 204: makeSyscallInfo("sched_getaffinity", Hex, Hex, Hex), + 205: makeSyscallInfo("set_thread_area", Hex), + 206: makeSyscallInfo("io_setup", Hex, Hex), + 207: makeSyscallInfo("io_destroy", Hex), + 208: makeSyscallInfo("io_getevents", Hex, Hex, Hex, Hex, Timespec), + 209: makeSyscallInfo("io_submit", Hex, Hex, Hex), + 210: makeSyscallInfo("io_cancel", Hex, Hex, Hex), + 211: makeSyscallInfo("get_thread_area", Hex), + 212: makeSyscallInfo("lookup_dcookie", Hex, Hex, Hex), + 213: makeSyscallInfo("epoll_create", Hex), + // 214: epoll_ctl_old (not implemented in the Linux kernel) + // 215: epoll_wait_old (not implemented in the Linux kernel) + 216: makeSyscallInfo("remap_file_pages", Hex, Hex, Hex, Hex, Hex), + 217: makeSyscallInfo("getdents64", FD, Hex, Hex), + 218: makeSyscallInfo("set_tid_address", Hex), + 219: makeSyscallInfo("restart_syscall"), + 220: makeSyscallInfo("semtimedop", Hex, Hex, Hex, Hex), + 221: makeSyscallInfo("fadvise64", FD, Hex, Hex, Hex), + 222: makeSyscallInfo("timer_create", Hex, Hex, Hex), + 223: makeSyscallInfo("timer_settime", Hex, Hex, ItimerSpec, PostItimerSpec), + 224: makeSyscallInfo("timer_gettime", Hex, PostItimerSpec), + 225: makeSyscallInfo("timer_getoverrun", Hex), + 226: makeSyscallInfo("timer_delete", Hex), + 227: makeSyscallInfo("clock_settime", Hex, Timespec), + 228: makeSyscallInfo("clock_gettime", Hex, PostTimespec), + 229: makeSyscallInfo("clock_getres", Hex, PostTimespec), + 230: makeSyscallInfo("clock_nanosleep", Hex, Hex, Timespec, PostTimespec), + 231: makeSyscallInfo("exit_group", Hex), + 232: makeSyscallInfo("epoll_wait", Hex, Hex, Hex, Hex), + 233: makeSyscallInfo("epoll_ctl", Hex, Hex, FD, Hex), + 234: makeSyscallInfo("tgkill", Hex, Hex, Signal), + 235: makeSyscallInfo("utimes", Path, Timeval), + // 236: vserver (not implemented in the Linux kernel) + 237: makeSyscallInfo("mbind", Hex, Hex, Hex, Hex, Hex, Hex), + 238: makeSyscallInfo("set_mempolicy", Hex, Hex, Hex), + 239: makeSyscallInfo("get_mempolicy", Hex, Hex, Hex, Hex, Hex), + 240: makeSyscallInfo("mq_open", Hex, Hex, Hex, Hex), + 241: makeSyscallInfo("mq_unlink", Hex), + 242: makeSyscallInfo("mq_timedsend", Hex, Hex, Hex, Hex, Hex), + 243: makeSyscallInfo("mq_timedreceive", Hex, Hex, Hex, Hex, Hex), + 244: makeSyscallInfo("mq_notify", Hex, Hex), + 245: makeSyscallInfo("mq_getsetattr", Hex, Hex, Hex), + 246: makeSyscallInfo("kexec_load", Hex, Hex, Hex, Hex), + 247: makeSyscallInfo("waitid", Hex, Hex, Hex, Hex, Rusage), + 248: makeSyscallInfo("add_key", Hex, Hex, Hex, Hex, Hex), + 249: makeSyscallInfo("request_key", Hex, Hex, Hex, Hex), + 250: makeSyscallInfo("keyctl", Hex, Hex, Hex, Hex, Hex), + 251: makeSyscallInfo("ioprio_set", Hex, Hex, Hex), + 252: makeSyscallInfo("ioprio_get", Hex, Hex), + 253: makeSyscallInfo("inotify_init"), + 254: makeSyscallInfo("inotify_add_watch", Hex, Path, Hex), + 255: makeSyscallInfo("inotify_rm_watch", Hex, Hex), + 256: makeSyscallInfo("migrate_pages", Hex, Hex, Hex, Hex), + 257: makeSyscallInfo("openat", FD, Path, OpenFlags, Mode), + 258: makeSyscallInfo("mkdirat", FD, Path, Hex), + 259: makeSyscallInfo("mknodat", FD, Path, Mode, Hex), + 260: makeSyscallInfo("fchownat", FD, Path, Hex, Hex, Hex), + 261: makeSyscallInfo("futimesat", FD, Path, Hex), + 262: makeSyscallInfo("newfstatat", FD, Path, Stat, Hex), + 263: makeSyscallInfo("unlinkat", FD, Path, Hex), + 264: makeSyscallInfo("renameat", FD, Path, Hex, Path), + 265: makeSyscallInfo("linkat", FD, Path, Hex, Path, Hex), + 266: makeSyscallInfo("symlinkat", Path, Hex, Path), + 267: makeSyscallInfo("readlinkat", FD, Path, ReadBuffer, Hex), + 268: makeSyscallInfo("fchmodat", FD, Path, Mode), + 269: makeSyscallInfo("faccessat", FD, Path, Oct, Hex), + 270: makeSyscallInfo("pselect6", Hex, SelectFDSet, SelectFDSet, SelectFDSet, Timespec, SigSet), + 271: makeSyscallInfo("ppoll", PollFDs, Hex, Timespec, SigSet, Hex), + 272: makeSyscallInfo("unshare", CloneFlags), + 273: makeSyscallInfo("set_robust_list", Hex, Hex), + 274: makeSyscallInfo("get_robust_list", Hex, Hex, Hex), + 275: makeSyscallInfo("splice", FD, Hex, FD, Hex, Hex, Hex), + 276: makeSyscallInfo("tee", FD, FD, Hex, Hex), + 277: makeSyscallInfo("sync_file_range", FD, Hex, Hex, Hex), + 278: makeSyscallInfo("vmsplice", FD, Hex, Hex, Hex), + 279: makeSyscallInfo("move_pages", Hex, Hex, Hex, Hex, Hex, Hex), + 280: makeSyscallInfo("utimensat", FD, Path, UTimeTimespec, Hex), + 281: makeSyscallInfo("epoll_pwait", Hex, Hex, Hex, Hex, SigSet, Hex), + 282: makeSyscallInfo("signalfd", Hex, Hex, Hex), + 283: makeSyscallInfo("timerfd_create", Hex, Hex), + 284: makeSyscallInfo("eventfd", Hex), + 285: makeSyscallInfo("fallocate", FD, Hex, Hex, Hex), + 286: makeSyscallInfo("timerfd_settime", FD, Hex, ItimerSpec, PostItimerSpec), + 287: makeSyscallInfo("timerfd_gettime", FD, PostItimerSpec), + 288: makeSyscallInfo("accept4", FD, PostSockAddr, SockLen, SockFlags), + 289: makeSyscallInfo("signalfd4", Hex, Hex, Hex, Hex), + 290: makeSyscallInfo("eventfd2", Hex, Hex), + 291: makeSyscallInfo("epoll_create1", Hex), + 292: makeSyscallInfo("dup3", FD, FD, Hex), + 293: makeSyscallInfo("pipe2", PipeFDs, Hex), + 294: makeSyscallInfo("inotify_init1", Hex), + 295: makeSyscallInfo("preadv", FD, ReadIOVec, Hex, Hex), + 296: makeSyscallInfo("pwritev", FD, WriteIOVec, Hex, Hex), + 297: makeSyscallInfo("rt_tgsigqueueinfo", Hex, Hex, Signal, Hex), + 298: makeSyscallInfo("perf_event_open", Hex, Hex, Hex, Hex, Hex), + 299: makeSyscallInfo("recvmmsg", FD, Hex, Hex, Hex, Hex), + 300: makeSyscallInfo("fanotify_init", Hex, Hex), + 301: makeSyscallInfo("fanotify_mark", Hex, Hex, Hex, Hex, Hex), + 302: makeSyscallInfo("prlimit64", Hex, Hex, Hex, Hex), + 303: makeSyscallInfo("name_to_handle_at", FD, Hex, Hex, Hex, Hex), + 304: makeSyscallInfo("open_by_handle_at", FD, Hex, Hex), + 305: makeSyscallInfo("clock_adjtime", Hex, Hex), + 306: makeSyscallInfo("syncfs", FD), + 307: makeSyscallInfo("sendmmsg", FD, Hex, Hex, Hex), + 308: makeSyscallInfo("setns", FD, Hex), + 309: makeSyscallInfo("getcpu", Hex, Hex, Hex), + 310: makeSyscallInfo("process_vm_readv", Hex, ReadIOVec, Hex, IOVec, Hex, Hex), + 311: makeSyscallInfo("process_vm_writev", Hex, IOVec, Hex, WriteIOVec, Hex, Hex), + 312: makeSyscallInfo("kcmp", Hex, Hex, Hex, Hex, Hex), + 313: makeSyscallInfo("finit_module", Hex, Hex, Hex), + 314: makeSyscallInfo("sched_setattr", Hex, Hex, Hex), + 315: makeSyscallInfo("sched_getattr", Hex, Hex, Hex), + 316: makeSyscallInfo("renameat2", FD, Path, Hex, Path, Hex), + 317: makeSyscallInfo("seccomp", Hex, Hex, Hex), + 318: makeSyscallInfo("getrandom", Hex, Hex, Hex), + 319: makeSyscallInfo("memfd_create", Path, Hex), // Not quite a path, but close. + 320: makeSyscallInfo("kexec_file_load", FD, FD, Hex, Hex, Hex), + 321: makeSyscallInfo("bpf", Hex, Hex, Hex), + 322: makeSyscallInfo("execveat", FD, Path, ExecveStringVector, ExecveStringVector, Hex), + 323: makeSyscallInfo("userfaultfd", Hex), + 324: makeSyscallInfo("membarrier", Hex, Hex), + 325: makeSyscallInfo("mlock2", Hex, Hex, Hex), + 326: makeSyscallInfo("copy_file_range", FD, Hex, FD, Hex, Hex, Hex), + 327: makeSyscallInfo("preadv2", FD, ReadIOVec, Hex, Hex, Hex), + 328: makeSyscallInfo("pwritev2", FD, WriteIOVec, Hex, Hex, Hex), + 329: makeSyscallInfo("pkey_mprotect", Hex, Hex, Hex, Hex), + 330: makeSyscallInfo("pkey_alloc", Hex, Hex), + 331: makeSyscallInfo("pkey_free", Hex), + 332: makeSyscallInfo("statx", FD, Path, Hex, Hex, Hex), + 333: makeSyscallInfo("io_pgetevents", Hex, Hex, Hex, Hex, Timespec, SigSet), + 334: makeSyscallInfo("rseq", Hex, Hex, Hex, Hex), + 424: makeSyscallInfo("pidfd_send_signal", FD, Signal, Hex, Hex), + 425: makeSyscallInfo("io_uring_setup", Hex, Hex), + 426: makeSyscallInfo("io_uring_enter", FD, Hex, Hex, Hex, SigSet, Hex), + 427: makeSyscallInfo("io_uring_register", FD, Hex, Hex, Hex), + 428: makeSyscallInfo("open_tree", FD, Path, Hex), + 429: makeSyscallInfo("move_mount", FD, Path, FD, Path, Hex), + 430: makeSyscallInfo("fsopen", Path, Hex), // Not quite a path, but close. + 431: makeSyscallInfo("fsconfig", FD, Hex, Hex, Hex, Hex), + 432: makeSyscallInfo("fsmount", FD, Hex, Hex), + 433: makeSyscallInfo("fspick", FD, Path, Hex), + 434: makeSyscallInfo("pidfd_open", Hex, Hex), + 435: makeSyscallInfo("clone3", Hex, Hex), +} + +func init() { + syscallTables = append(syscallTables, + syscallTable{ + os: abi.Linux, + arch: arch.AMD64, + syscalls: linuxAMD64}) +} diff --git a/pkg/sentry/strace/linux64_arm64.go b/pkg/sentry/strace/linux64_arm64.go new file mode 100644 index 000000000..c3ac5248d --- /dev/null +++ b/pkg/sentry/strace/linux64_arm64.go @@ -0,0 +1,323 @@ +// Copyright 2019 The gVisor Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build arm64 + +package strace + +import ( + "gvisor.dev/gvisor/pkg/abi" + "gvisor.dev/gvisor/pkg/sentry/arch" +) + +// linuxARM64 provides a mapping of the Linux arm64 syscalls and their argument +// types for display / formatting. +var linuxARM64 = SyscallMap{ + 0: makeSyscallInfo("io_setup", Hex, Hex), + 1: makeSyscallInfo("io_destroy", Hex), + 2: makeSyscallInfo("io_submit", Hex, Hex, Hex), + 3: makeSyscallInfo("io_cancel", Hex, Hex, Hex), + 4: makeSyscallInfo("io_getevents", Hex, Hex, Hex, Hex, Timespec), + 5: makeSyscallInfo("setxattr", Path, Path, Hex, Hex, Hex), + 6: makeSyscallInfo("lsetxattr", Path, Path, Hex, Hex, Hex), + 7: makeSyscallInfo("fsetxattr", FD, Path, Hex, Hex, Hex), + 8: makeSyscallInfo("getxattr", Path, Path, Hex, Hex), + 9: makeSyscallInfo("lgetxattr", Path, Path, Hex, Hex), + 10: makeSyscallInfo("fgetxattr", FD, Path, Hex, Hex), + 11: makeSyscallInfo("listxattr", Path, Path, Hex), + 12: makeSyscallInfo("llistxattr", Path, Path, Hex), + 13: makeSyscallInfo("flistxattr", FD, Path, Hex), + 14: makeSyscallInfo("removexattr", Path, Path), + 15: makeSyscallInfo("lremovexattr", Path, Path), + 16: makeSyscallInfo("fremovexattr", FD, Path), + 17: makeSyscallInfo("getcwd", PostPath, Hex), + 18: makeSyscallInfo("lookup_dcookie", Hex, Hex, Hex), + 19: makeSyscallInfo("eventfd2", Hex, Hex), + 20: makeSyscallInfo("epoll_create1", Hex), + 21: makeSyscallInfo("epoll_ctl", Hex, Hex, FD, Hex), + 22: makeSyscallInfo("epoll_pwait", Hex, Hex, Hex, Hex, SigSet, Hex), + 23: makeSyscallInfo("dup", FD), + 24: makeSyscallInfo("dup3", FD, FD, Hex), + 25: makeSyscallInfo("fcntl", FD, Hex, Hex), + 26: makeSyscallInfo("inotify_init1", Hex), + 27: makeSyscallInfo("inotify_add_watch", Hex, Path, Hex), + 28: makeSyscallInfo("inotify_rm_watch", Hex, Hex), + 29: makeSyscallInfo("ioctl", FD, Hex, Hex), + 30: makeSyscallInfo("ioprio_set", Hex, Hex, Hex), + 31: makeSyscallInfo("ioprio_get", Hex, Hex), + 32: makeSyscallInfo("flock", FD, Hex), + 33: makeSyscallInfo("mknodat", FD, Path, Mode, Hex), + 34: makeSyscallInfo("mkdirat", FD, Path, Hex), + 35: makeSyscallInfo("unlinkat", FD, Path, Hex), + 36: makeSyscallInfo("symlinkat", Path, Hex, Path), + 37: makeSyscallInfo("linkat", FD, Path, Hex, Path, Hex), + 38: makeSyscallInfo("renameat", FD, Path, Hex, Path), + 39: makeSyscallInfo("umount2", Path, Hex), + 40: makeSyscallInfo("mount", Path, Path, Path, Hex, Path), + 41: makeSyscallInfo("pivot_root", Path, Path), + 42: makeSyscallInfo("nfsservctl", Hex, Hex, Hex), + 43: makeSyscallInfo("statfs", Path, Hex), + 44: makeSyscallInfo("fstatfs", FD, Hex), + 45: makeSyscallInfo("truncate", Path, Hex), + 46: makeSyscallInfo("ftruncate", FD, Hex), + 47: makeSyscallInfo("fallocate", FD, Hex, Hex, Hex), + 48: makeSyscallInfo("faccessat", FD, Path, Oct, Hex), + 49: makeSyscallInfo("chdir", Path), + 50: makeSyscallInfo("fchdir", FD), + 51: makeSyscallInfo("chroot", Path), + 52: makeSyscallInfo("fchmod", FD, Mode), + 53: makeSyscallInfo("fchmodat", FD, Path, Mode), + 54: makeSyscallInfo("fchownat", FD, Path, Hex, Hex, Hex), + 55: makeSyscallInfo("fchown", FD, Hex, Hex), + 56: makeSyscallInfo("openat", FD, Path, OpenFlags, Mode), + 57: makeSyscallInfo("close", FD), + 58: makeSyscallInfo("vhangup"), + 59: makeSyscallInfo("pipe2", PipeFDs, Hex), + 60: makeSyscallInfo("quotactl", Hex, Hex, Hex, Hex), + 61: makeSyscallInfo("getdents64", FD, Hex, Hex), + 62: makeSyscallInfo("lseek", Hex, Hex, Hex), + 63: makeSyscallInfo("read", FD, ReadBuffer, Hex), + 64: makeSyscallInfo("write", FD, WriteBuffer, Hex), + 65: makeSyscallInfo("readv", FD, ReadIOVec, Hex), + 66: makeSyscallInfo("writev", FD, WriteIOVec, Hex), + 67: makeSyscallInfo("pread64", FD, ReadBuffer, Hex, Hex), + 68: makeSyscallInfo("pwrite64", FD, WriteBuffer, Hex, Hex), + 69: makeSyscallInfo("preadv", FD, ReadIOVec, Hex, Hex), + 70: makeSyscallInfo("pwritev", FD, WriteIOVec, Hex, Hex), + 71: makeSyscallInfo("sendfile", FD, FD, Hex, Hex), + 72: makeSyscallInfo("pselect6", Hex, Hex, Hex, Hex, Hex, Hex), + 73: makeSyscallInfo("ppoll", PollFDs, Hex, Timespec, SigSet, Hex), + 74: makeSyscallInfo("signalfd4", Hex, Hex, Hex, Hex), + 75: makeSyscallInfo("vmsplice", FD, Hex, Hex, Hex), + 76: makeSyscallInfo("splice", FD, Hex, FD, Hex, Hex, Hex), + 77: makeSyscallInfo("tee", FD, FD, Hex, Hex), + 78: makeSyscallInfo("readlinkat", FD, Path, ReadBuffer, Hex), + 79: makeSyscallInfo("fstatat", FD, Path, Stat, Hex), + 80: makeSyscallInfo("fstat", FD, Stat), + 81: makeSyscallInfo("sync"), + 82: makeSyscallInfo("fsync", FD), + 83: makeSyscallInfo("fdatasync", FD), + 84: makeSyscallInfo("sync_file_range", FD, Hex, Hex, Hex), + 85: makeSyscallInfo("timerfd_create", Hex, Hex), + 86: makeSyscallInfo("timerfd_settime", FD, Hex, ItimerSpec, PostItimerSpec), + 87: makeSyscallInfo("timerfd_gettime", FD, PostItimerSpec), + 88: makeSyscallInfo("utimensat", FD, Path, UTimeTimespec, Hex), + 89: makeSyscallInfo("acct", Hex), + 90: makeSyscallInfo("capget", CapHeader, PostCapData), + 91: makeSyscallInfo("capset", CapHeader, CapData), + 92: makeSyscallInfo("personality", Hex), + 93: makeSyscallInfo("exit", Hex), + 94: makeSyscallInfo("exit_group", Hex), + 95: makeSyscallInfo("waitid", Hex, Hex, Hex, Hex, Rusage), + 96: makeSyscallInfo("set_tid_address", Hex), + 97: makeSyscallInfo("unshare", CloneFlags), + 98: makeSyscallInfo("futex", Hex, FutexOp, Hex, Timespec, Hex, Hex), + 99: makeSyscallInfo("set_robust_list", Hex, Hex), + 100: makeSyscallInfo("get_robust_list", Hex, Hex, Hex), + 101: makeSyscallInfo("nanosleep", Timespec, PostTimespec), + 102: makeSyscallInfo("getitimer", ItimerType, PostItimerVal), + 103: makeSyscallInfo("setitimer", ItimerType, ItimerVal, PostItimerVal), + 104: makeSyscallInfo("kexec_load", Hex, Hex, Hex, Hex), + 105: makeSyscallInfo("init_module", Hex, Hex, Hex), + 106: makeSyscallInfo("delete_module", Hex, Hex), + 107: makeSyscallInfo("timer_create", Hex, Hex, Hex), + 108: makeSyscallInfo("timer_gettime", Hex, PostItimerSpec), + 109: makeSyscallInfo("timer_getoverrun", Hex), + 110: makeSyscallInfo("timer_settime", Hex, Hex, ItimerSpec, PostItimerSpec), + 111: makeSyscallInfo("timer_delete", Hex), + 112: makeSyscallInfo("clock_settime", Hex, Timespec), + 113: makeSyscallInfo("clock_gettime", Hex, PostTimespec), + 114: makeSyscallInfo("clock_getres", Hex, PostTimespec), + 115: makeSyscallInfo("clock_nanosleep", Hex, Hex, Timespec, PostTimespec), + 116: makeSyscallInfo("syslog", Hex, Hex, Hex), + 117: makeSyscallInfo("ptrace", PtraceRequest, Hex, Hex, Hex), + 118: makeSyscallInfo("sched_setparam", Hex, Hex), + 119: makeSyscallInfo("sched_setscheduler", Hex, Hex, Hex), + 120: makeSyscallInfo("sched_getscheduler", Hex), + 121: makeSyscallInfo("sched_getparam", Hex, Hex), + 122: makeSyscallInfo("sched_setaffinity", Hex, Hex, Hex), + 123: makeSyscallInfo("sched_getaffinity", Hex, Hex, Hex), + 124: makeSyscallInfo("sched_yield"), + 125: makeSyscallInfo("sched_get_priority_max", Hex), + 126: makeSyscallInfo("sched_get_priority_min", Hex), + 127: makeSyscallInfo("sched_rr_get_interval", Hex, Hex), + 128: makeSyscallInfo("restart_syscall"), + 129: makeSyscallInfo("kill", Hex, Signal), + 130: makeSyscallInfo("tkill", Hex, Signal), + 131: makeSyscallInfo("tgkill", Hex, Hex, Signal), + 132: makeSyscallInfo("sigaltstack", Hex, Hex), + 133: makeSyscallInfo("rt_sigsuspend", Hex), + 134: makeSyscallInfo("rt_sigaction", Signal, SigAction, PostSigAction), + 135: makeSyscallInfo("rt_sigprocmask", SignalMaskAction, SigSet, PostSigSet, Hex), + 136: makeSyscallInfo("rt_sigpending", Hex), + 137: makeSyscallInfo("rt_sigtimedwait", SigSet, Hex, Timespec, Hex), + 138: makeSyscallInfo("rt_sigqueueinfo", Hex, Signal, Hex), + 139: makeSyscallInfo("rt_sigreturn"), + 140: makeSyscallInfo("setpriority", Hex, Hex, Hex), + 141: makeSyscallInfo("getpriority", Hex, Hex), + 142: makeSyscallInfo("reboot", Hex, Hex, Hex, Hex), + 143: makeSyscallInfo("setregid", Hex, Hex), + 144: makeSyscallInfo("setgid", Hex), + 145: makeSyscallInfo("setreuid", Hex, Hex), + 146: makeSyscallInfo("setuid", Hex), + 147: makeSyscallInfo("setresuid", Hex, Hex, Hex), + 148: makeSyscallInfo("getresuid", Hex, Hex, Hex), + 149: makeSyscallInfo("setresgid", Hex, Hex, Hex), + 150: makeSyscallInfo("getresgid", Hex, Hex, Hex), + 151: makeSyscallInfo("setfsuid", Hex), + 152: makeSyscallInfo("setfsgid", Hex), + 153: makeSyscallInfo("times", Hex), + 154: makeSyscallInfo("setpgid", Hex, Hex), + 155: makeSyscallInfo("getpgid", Hex), + 156: makeSyscallInfo("getsid", Hex), + 157: makeSyscallInfo("setsid"), + 158: makeSyscallInfo("getgroups", Hex, Hex), + 159: makeSyscallInfo("setgroups", Hex, Hex), + 160: makeSyscallInfo("uname", Uname), + 161: makeSyscallInfo("sethostname", Hex, Hex), + 162: makeSyscallInfo("setdomainname", Hex, Hex), + 163: makeSyscallInfo("getrlimit", Hex, Hex), + 164: makeSyscallInfo("setrlimit", Hex, Hex), + 165: makeSyscallInfo("getrusage", Hex, Rusage), + 166: makeSyscallInfo("umask", Hex), + 167: makeSyscallInfo("prctl", Hex, Hex, Hex, Hex, Hex), + 168: makeSyscallInfo("getcpu", Hex, Hex, Hex), + 169: makeSyscallInfo("gettimeofday", Timeval, Hex), + 170: makeSyscallInfo("settimeofday", Timeval, Hex), + 171: makeSyscallInfo("adjtimex", Hex), + 172: makeSyscallInfo("getpid"), + 173: makeSyscallInfo("getppid"), + 174: makeSyscallInfo("getuid"), + 175: makeSyscallInfo("geteuid"), + 176: makeSyscallInfo("getgid"), + 177: makeSyscallInfo("getegid"), + 178: makeSyscallInfo("gettid"), + 179: makeSyscallInfo("sysinfo", Hex), + 180: makeSyscallInfo("mq_open", Hex, Hex, Hex, Hex), + 181: makeSyscallInfo("mq_unlink", Hex), + 182: makeSyscallInfo("mq_timedsend", Hex, Hex, Hex, Hex, Hex), + 183: makeSyscallInfo("mq_timedreceive", Hex, Hex, Hex, Hex, Hex), + 184: makeSyscallInfo("mq_notify", Hex, Hex), + 185: makeSyscallInfo("mq_getsetattr", Hex, Hex, Hex), + 186: makeSyscallInfo("msgget", Hex, Hex), + 187: makeSyscallInfo("msgctl", Hex, Hex, Hex), + 188: makeSyscallInfo("msgrcv", Hex, Hex, Hex, Hex, Hex), + 189: makeSyscallInfo("msgsnd", Hex, Hex, Hex, Hex), + 190: makeSyscallInfo("semget", Hex, Hex, Hex), + 191: makeSyscallInfo("semctl", Hex, Hex, Hex, Hex), + 192: makeSyscallInfo("semtimedop", Hex, Hex, Hex, Hex), + 193: makeSyscallInfo("semop", Hex, Hex, Hex), + 194: makeSyscallInfo("shmget", Hex, Hex, Hex), + 195: makeSyscallInfo("shmctl", Hex, Hex, Hex), + 196: makeSyscallInfo("shmat", Hex, Hex, Hex), + 197: makeSyscallInfo("shmdt", Hex), + 198: makeSyscallInfo("socket", SockFamily, SockType, SockProtocol), + 199: makeSyscallInfo("socketpair", SockFamily, SockType, SockProtocol, Hex), + 200: makeSyscallInfo("bind", FD, SockAddr, Hex), + 201: makeSyscallInfo("listen", FD, Hex), + 202: makeSyscallInfo("accept", FD, PostSockAddr, SockLen), + 203: makeSyscallInfo("connect", FD, SockAddr, Hex), + 204: makeSyscallInfo("getsockname", FD, PostSockAddr, SockLen), + 205: makeSyscallInfo("getpeername", FD, PostSockAddr, SockLen), + 206: makeSyscallInfo("sendto", FD, Hex, Hex, Hex, SockAddr, Hex), + 207: makeSyscallInfo("recvfrom", FD, Hex, Hex, Hex, PostSockAddr, SockLen), + 208: makeSyscallInfo("setsockopt", FD, Hex, Hex, Hex, Hex), + 209: makeSyscallInfo("getsockopt", FD, Hex, Hex, Hex, Hex), + 210: makeSyscallInfo("shutdown", FD, Hex), + 211: makeSyscallInfo("sendmsg", FD, SendMsgHdr, Hex), + 212: makeSyscallInfo("recvmsg", FD, RecvMsgHdr, Hex), + 213: makeSyscallInfo("readahead", Hex, Hex, Hex), + 214: makeSyscallInfo("brk", Hex), + 215: makeSyscallInfo("munmap", Hex, Hex), + 216: makeSyscallInfo("mremap", Hex, Hex, Hex, Hex, Hex), + 217: makeSyscallInfo("add_key", Hex, Hex, Hex, Hex, Hex), + 218: makeSyscallInfo("request_key", Hex, Hex, Hex, Hex), + 219: makeSyscallInfo("keyctl", Hex, Hex, Hex, Hex, Hex), + 220: makeSyscallInfo("clone", CloneFlags, Hex, Hex, Hex, Hex), + 221: makeSyscallInfo("execve", Path, ExecveStringVector, ExecveStringVector), + 222: makeSyscallInfo("mmap", Hex, Hex, Hex, Hex, FD, Hex), + 223: makeSyscallInfo("fadvise64", FD, Hex, Hex, Hex), + 224: makeSyscallInfo("swapon", Hex, Hex), + 225: makeSyscallInfo("swapoff", Hex), + 226: makeSyscallInfo("mprotect", Hex, Hex, Hex), + 227: makeSyscallInfo("msync", Hex, Hex, Hex), + 228: makeSyscallInfo("mlock", Hex, Hex), + 229: makeSyscallInfo("munlock", Hex, Hex), + 230: makeSyscallInfo("mlockall", Hex), + 231: makeSyscallInfo("munlockall"), + 232: makeSyscallInfo("mincore", Hex, Hex, Hex), + 233: makeSyscallInfo("madvise", Hex, Hex, Hex), + 234: makeSyscallInfo("remap_file_pages", Hex, Hex, Hex, Hex, Hex), + 235: makeSyscallInfo("mbind", Hex, Hex, Hex, Hex, Hex, Hex), + 236: makeSyscallInfo("get_mempolicy", Hex, Hex, Hex, Hex, Hex), + 237: makeSyscallInfo("set_mempolicy", Hex, Hex, Hex), + 238: makeSyscallInfo("migrate_pages", Hex, Hex, Hex, Hex), + 239: makeSyscallInfo("move_pages", Hex, Hex, Hex, Hex, Hex, Hex), + 240: makeSyscallInfo("rt_tgsigqueueinfo", Hex, Hex, Signal, Hex), + 241: makeSyscallInfo("perf_event_open", Hex, Hex, Hex, Hex, Hex), + 242: makeSyscallInfo("accept4", FD, PostSockAddr, SockLen, SockFlags), + 243: makeSyscallInfo("recvmmsg", FD, Hex, Hex, Hex, Hex), + + 260: makeSyscallInfo("wait4", Hex, Hex, Hex, Rusage), + 261: makeSyscallInfo("prlimit64", Hex, Hex, Hex, Hex), + 262: makeSyscallInfo("fanotify_init", Hex, Hex), + 263: makeSyscallInfo("fanotify_mark", Hex, Hex, Hex, Hex, Hex), + 264: makeSyscallInfo("name_to_handle_at", FD, Hex, Hex, Hex, Hex), + 265: makeSyscallInfo("open_by_handle_at", FD, Hex, Hex), + 266: makeSyscallInfo("clock_adjtime", Hex, Hex), + 267: makeSyscallInfo("syncfs", FD), + 268: makeSyscallInfo("setns", FD, Hex), + 269: makeSyscallInfo("sendmmsg", FD, Hex, Hex, Hex), + 270: makeSyscallInfo("process_vm_readv", Hex, ReadIOVec, Hex, IOVec, Hex, Hex), + 271: makeSyscallInfo("process_vm_writev", Hex, IOVec, Hex, WriteIOVec, Hex, Hex), + 272: makeSyscallInfo("kcmp", Hex, Hex, Hex, Hex, Hex), + 273: makeSyscallInfo("finit_module", Hex, Hex, Hex), + 274: makeSyscallInfo("sched_setattr", Hex, Hex, Hex), + 275: makeSyscallInfo("sched_getattr", Hex, Hex, Hex), + 276: makeSyscallInfo("renameat2", FD, Path, Hex, Path, Hex), + 277: makeSyscallInfo("seccomp", Hex, Hex, Hex), + 278: makeSyscallInfo("getrandom", Hex, Hex, Hex), + 279: makeSyscallInfo("memfd_create", Path, Hex), + 280: makeSyscallInfo("bpf", Hex, Hex, Hex), + 281: makeSyscallInfo("execveat", FD, Path, Hex, Hex, Hex), + 282: makeSyscallInfo("userfaultfd", Hex), + 283: makeSyscallInfo("membarrier", Hex), + 284: makeSyscallInfo("mlock2", Hex, Hex, Hex), + 285: makeSyscallInfo("copy_file_range", FD, Hex, FD, Hex, Hex, Hex), + 286: makeSyscallInfo("preadv2", FD, ReadIOVec, Hex, Hex, Hex), + 287: makeSyscallInfo("pwritev2", FD, WriteIOVec, Hex, Hex, Hex), + 291: makeSyscallInfo("statx", FD, Path, Hex, Hex, Hex), + 292: makeSyscallInfo("io_pgetevents", Hex, Hex, Hex, Hex, Timespec, SigSet), + 293: makeSyscallInfo("rseq", Hex, Hex, Hex, Hex), + 424: makeSyscallInfo("pidfd_send_signal", FD, Signal, Hex, Hex), + 425: makeSyscallInfo("io_uring_setup", Hex, Hex), + 426: makeSyscallInfo("io_uring_enter", FD, Hex, Hex, Hex, SigSet, Hex), + 427: makeSyscallInfo("io_uring_register", FD, Hex, Hex, Hex), + 428: makeSyscallInfo("open_tree", FD, Path, Hex), + 429: makeSyscallInfo("move_mount", FD, Path, FD, Path, Hex), + 430: makeSyscallInfo("fsopen", Path, Hex), // Not quite a path, but close. + 431: makeSyscallInfo("fsconfig", FD, Hex, Hex, Hex, Hex), + 432: makeSyscallInfo("fsmount", FD, Hex, Hex), + 433: makeSyscallInfo("fspick", FD, Path, Hex), + 434: makeSyscallInfo("pidfd_open", Hex, Hex), + 435: makeSyscallInfo("clone3", Hex, Hex), +} + +func init() { + syscallTables = append(syscallTables, + syscallTable{ + os: abi.Linux, + arch: arch.ARM64, + syscalls: linuxARM64}) +} diff --git a/pkg/sentry/strace/syscalls.go b/pkg/sentry/strace/syscalls.go index e5d486c4e..24e29a2ba 100644 --- a/pkg/sentry/strace/syscalls.go +++ b/pkg/sentry/strace/syscalls.go @@ -250,14 +250,7 @@ type syscallTable struct { syscalls SyscallMap } -// syscallTables contains all syscall tables. -var syscallTables = []syscallTable{ - { - os: abi.Linux, - arch: arch.AMD64, - syscalls: linuxAMD64, - }, -} +var syscallTables []syscallTable // Lookup returns the SyscallMap for the OS/Arch combination. The returned map // must not be changed. -- cgit v1.2.3 From e1587a28876f8aac689a2cd1b7630f1637655b58 Mon Sep 17 00:00:00 2001 From: Ian Gudger Date: Fri, 7 Feb 2020 14:00:50 -0800 Subject: Log level, optname, optval and optlen in getsockopt/setsockopt in strace. Log 8, 16, and 32 int optvals and dump the memory of other sizes. Updates #1782 PiperOrigin-RevId: 293889388 --- pkg/sentry/strace/linux64_amd64.go | 4 +- pkg/sentry/strace/socket.go | 215 +++++++++++++++++++++++++++++++++++++ pkg/sentry/strace/strace.go | 22 +++- pkg/sentry/strace/syscalls.go | 22 +++- 4 files changed, 258 insertions(+), 5 deletions(-) (limited to 'pkg/sentry/strace/syscalls.go') diff --git a/pkg/sentry/strace/linux64_amd64.go b/pkg/sentry/strace/linux64_amd64.go index 85ec66fd3..a4de545e9 100644 --- a/pkg/sentry/strace/linux64_amd64.go +++ b/pkg/sentry/strace/linux64_amd64.go @@ -78,8 +78,8 @@ var linuxAMD64 = SyscallMap{ 51: makeSyscallInfo("getsockname", FD, PostSockAddr, SockLen), 52: makeSyscallInfo("getpeername", FD, PostSockAddr, SockLen), 53: makeSyscallInfo("socketpair", SockFamily, SockType, SockProtocol, Hex), - 54: makeSyscallInfo("setsockopt", FD, Hex, Hex, Hex, Hex), - 55: makeSyscallInfo("getsockopt", FD, Hex, Hex, Hex, Hex), + 54: makeSyscallInfo("setsockopt", FD, SockOptLevel, SockOptName, SetSockOptVal, Hex /* length by value, not a pointer */), + 55: makeSyscallInfo("getsockopt", FD, SockOptLevel, SockOptName, GetSockOptVal, SockLen), 56: makeSyscallInfo("clone", CloneFlags, Hex, Hex, Hex, Hex), 57: makeSyscallInfo("fork"), 58: makeSyscallInfo("vfork"), diff --git a/pkg/sentry/strace/socket.go b/pkg/sentry/strace/socket.go index d2079c85f..f7ff4573e 100644 --- a/pkg/sentry/strace/socket.go +++ b/pkg/sentry/strace/socket.go @@ -419,3 +419,218 @@ func sockFlags(flags int32) string { } return SocketFlagSet.Parse(uint64(flags)) } + +func getSockOptVal(t *kernel.Task, level, optname uint64, optVal usermem.Addr, optLen usermem.Addr, maximumBlobSize uint, rval uintptr) string { + if int(rval) < 0 { + return hexNum(uint64(optVal)) + } + if optVal == 0 { + return "null" + } + l, err := copySockLen(t, optLen) + if err != nil { + return fmt.Sprintf("%#x {error reading length: %v}", optLen, err) + } + return sockOptVal(t, level, optname, optVal, uint64(l), maximumBlobSize) +} + +func sockOptVal(t *kernel.Task, level, optname uint64, optVal usermem.Addr, optLen uint64, maximumBlobSize uint) string { + switch optLen { + case 1: + var v uint8 + _, err := t.CopyIn(optVal, &v) + if err != nil { + return fmt.Sprintf("%#x {error reading optval: %v}", optVal, err) + } + return fmt.Sprintf("%#x {value=%v}", optVal, v) + case 2: + var v uint16 + _, err := t.CopyIn(optVal, &v) + if err != nil { + return fmt.Sprintf("%#x {error reading optval: %v}", optVal, err) + } + return fmt.Sprintf("%#x {value=%v}", optVal, v) + case 4: + var v uint32 + _, err := t.CopyIn(optVal, &v) + if err != nil { + return fmt.Sprintf("%#x {error reading optval: %v}", optVal, err) + } + return fmt.Sprintf("%#x {value=%v}", optVal, v) + default: + return dump(t, optVal, uint(optLen), maximumBlobSize) + } +} + +var sockOptLevels = abi.ValueSet{ + linux.SOL_IP: "SOL_IP", + linux.SOL_SOCKET: "SOL_SOCKET", + linux.SOL_TCP: "SOL_TCP", + linux.SOL_UDP: "SOL_UDP", + linux.SOL_IPV6: "SOL_IPV6", + linux.SOL_ICMPV6: "SOL_ICMPV6", + linux.SOL_RAW: "SOL_RAW", + linux.SOL_PACKET: "SOL_PACKET", + linux.SOL_NETLINK: "SOL_NETLINK", +} + +var sockOptNames = map[uint64]abi.ValueSet{ + linux.SOL_IP: { + linux.IP_TTL: "IP_TTL", + linux.IP_MULTICAST_TTL: "IP_MULTICAST_TTL", + linux.IP_MULTICAST_IF: "IP_MULTICAST_IF", + linux.IP_MULTICAST_LOOP: "IP_MULTICAST_LOOP", + linux.IP_TOS: "IP_TOS", + linux.IP_RECVTOS: "IP_RECVTOS", + linux.IPT_SO_GET_INFO: "IPT_SO_GET_INFO", + linux.IPT_SO_GET_ENTRIES: "IPT_SO_GET_ENTRIES", + linux.IP_ADD_MEMBERSHIP: "IP_ADD_MEMBERSHIP", + linux.IP_DROP_MEMBERSHIP: "IP_DROP_MEMBERSHIP", + linux.MCAST_JOIN_GROUP: "MCAST_JOIN_GROUP", + linux.IP_ADD_SOURCE_MEMBERSHIP: "IP_ADD_SOURCE_MEMBERSHIP", + linux.IP_BIND_ADDRESS_NO_PORT: "IP_BIND_ADDRESS_NO_PORT", + linux.IP_BLOCK_SOURCE: "IP_BLOCK_SOURCE", + linux.IP_CHECKSUM: "IP_CHECKSUM", + linux.IP_DROP_SOURCE_MEMBERSHIP: "IP_DROP_SOURCE_MEMBERSHIP", + linux.IP_FREEBIND: "IP_FREEBIND", + linux.IP_HDRINCL: "IP_HDRINCL", + linux.IP_IPSEC_POLICY: "IP_IPSEC_POLICY", + linux.IP_MINTTL: "IP_MINTTL", + linux.IP_MSFILTER: "IP_MSFILTER", + linux.IP_MTU_DISCOVER: "IP_MTU_DISCOVER", + linux.IP_MULTICAST_ALL: "IP_MULTICAST_ALL", + linux.IP_NODEFRAG: "IP_NODEFRAG", + linux.IP_OPTIONS: "IP_OPTIONS", + linux.IP_PASSSEC: "IP_PASSSEC", + linux.IP_PKTINFO: "IP_PKTINFO", + linux.IP_RECVERR: "IP_RECVERR", + linux.IP_RECVFRAGSIZE: "IP_RECVFRAGSIZE", + linux.IP_RECVOPTS: "IP_RECVOPTS", + linux.IP_RECVORIGDSTADDR: "IP_RECVORIGDSTADDR", + linux.IP_RECVTTL: "IP_RECVTTL", + linux.IP_RETOPTS: "IP_RETOPTS", + linux.IP_TRANSPARENT: "IP_TRANSPARENT", + linux.IP_UNBLOCK_SOURCE: "IP_UNBLOCK_SOURCE", + linux.IP_UNICAST_IF: "IP_UNICAST_IF", + linux.IP_XFRM_POLICY: "IP_XFRM_POLICY", + linux.MCAST_BLOCK_SOURCE: "MCAST_BLOCK_SOURCE", + linux.MCAST_JOIN_SOURCE_GROUP: "MCAST_JOIN_SOURCE_GROUP", + linux.MCAST_LEAVE_GROUP: "MCAST_LEAVE_GROUP", + linux.MCAST_LEAVE_SOURCE_GROUP: "MCAST_LEAVE_SOURCE_GROUP", + linux.MCAST_MSFILTER: "MCAST_MSFILTER", + linux.MCAST_UNBLOCK_SOURCE: "MCAST_UNBLOCK_SOURCE", + linux.IP_ROUTER_ALERT: "IP_ROUTER_ALERT", + linux.IP_PKTOPTIONS: "IP_PKTOPTIONS", + linux.IP_MTU: "IP_MTU", + }, + linux.SOL_SOCKET: { + linux.SO_ERROR: "SO_ERROR", + linux.SO_PEERCRED: "SO_PEERCRED", + linux.SO_PASSCRED: "SO_PASSCRED", + linux.SO_SNDBUF: "SO_SNDBUF", + linux.SO_RCVBUF: "SO_RCVBUF", + linux.SO_REUSEADDR: "SO_REUSEADDR", + linux.SO_REUSEPORT: "SO_REUSEPORT", + linux.SO_BINDTODEVICE: "SO_BINDTODEVICE", + linux.SO_BROADCAST: "SO_BROADCAST", + linux.SO_KEEPALIVE: "SO_KEEPALIVE", + linux.SO_LINGER: "SO_LINGER", + linux.SO_SNDTIMEO: "SO_SNDTIMEO", + linux.SO_RCVTIMEO: "SO_RCVTIMEO", + linux.SO_OOBINLINE: "SO_OOBINLINE", + linux.SO_TIMESTAMP: "SO_TIMESTAMP", + }, + linux.SOL_TCP: { + linux.TCP_NODELAY: "TCP_NODELAY", + linux.TCP_CORK: "TCP_CORK", + linux.TCP_QUICKACK: "TCP_QUICKACK", + linux.TCP_MAXSEG: "TCP_MAXSEG", + linux.TCP_KEEPIDLE: "TCP_KEEPIDLE", + linux.TCP_KEEPINTVL: "TCP_KEEPINTVL", + linux.TCP_USER_TIMEOUT: "TCP_USER_TIMEOUT", + linux.TCP_INFO: "TCP_INFO", + linux.TCP_CC_INFO: "TCP_CC_INFO", + linux.TCP_NOTSENT_LOWAT: "TCP_NOTSENT_LOWAT", + linux.TCP_ZEROCOPY_RECEIVE: "TCP_ZEROCOPY_RECEIVE", + linux.TCP_CONGESTION: "TCP_CONGESTION", + linux.TCP_LINGER2: "TCP_LINGER2", + linux.TCP_DEFER_ACCEPT: "TCP_DEFER_ACCEPT", + linux.TCP_REPAIR_OPTIONS: "TCP_REPAIR_OPTIONS", + linux.TCP_INQ: "TCP_INQ", + linux.TCP_FASTOPEN: "TCP_FASTOPEN", + linux.TCP_FASTOPEN_CONNECT: "TCP_FASTOPEN_CONNECT", + linux.TCP_FASTOPEN_KEY: "TCP_FASTOPEN_KEY", + linux.TCP_FASTOPEN_NO_COOKIE: "TCP_FASTOPEN_NO_COOKIE", + linux.TCP_KEEPCNT: "TCP_KEEPCNT", + linux.TCP_QUEUE_SEQ: "TCP_QUEUE_SEQ", + linux.TCP_REPAIR: "TCP_REPAIR", + linux.TCP_REPAIR_QUEUE: "TCP_REPAIR_QUEUE", + linux.TCP_REPAIR_WINDOW: "TCP_REPAIR_WINDOW", + linux.TCP_SAVED_SYN: "TCP_SAVED_SYN", + linux.TCP_SAVE_SYN: "TCP_SAVE_SYN", + linux.TCP_SYNCNT: "TCP_SYNCNT", + linux.TCP_THIN_DUPACK: "TCP_THIN_DUPACK", + linux.TCP_THIN_LINEAR_TIMEOUTS: "TCP_THIN_LINEAR_TIMEOUTS", + linux.TCP_TIMESTAMP: "TCP_TIMESTAMP", + linux.TCP_ULP: "TCP_ULP", + linux.TCP_WINDOW_CLAMP: "TCP_WINDOW_CLAMP", + }, + linux.SOL_IPV6: { + linux.IPV6_V6ONLY: "IPV6_V6ONLY", + linux.IPV6_PATHMTU: "IPV6_PATHMTU", + linux.IPV6_TCLASS: "IPV6_TCLASS", + linux.IPV6_ADD_MEMBERSHIP: "IPV6_ADD_MEMBERSHIP", + linux.IPV6_DROP_MEMBERSHIP: "IPV6_DROP_MEMBERSHIP", + linux.IPV6_IPSEC_POLICY: "IPV6_IPSEC_POLICY", + linux.IPV6_JOIN_ANYCAST: "IPV6_JOIN_ANYCAST", + linux.IPV6_LEAVE_ANYCAST: "IPV6_LEAVE_ANYCAST", + linux.IPV6_PKTINFO: "IPV6_PKTINFO", + linux.IPV6_ROUTER_ALERT: "IPV6_ROUTER_ALERT", + linux.IPV6_XFRM_POLICY: "IPV6_XFRM_POLICY", + linux.MCAST_BLOCK_SOURCE: "MCAST_BLOCK_SOURCE", + linux.MCAST_JOIN_GROUP: "MCAST_JOIN_GROUP", + linux.MCAST_JOIN_SOURCE_GROUP: "MCAST_JOIN_SOURCE_GROUP", + linux.MCAST_LEAVE_GROUP: "MCAST_LEAVE_GROUP", + linux.MCAST_LEAVE_SOURCE_GROUP: "MCAST_LEAVE_SOURCE_GROUP", + linux.MCAST_UNBLOCK_SOURCE: "MCAST_UNBLOCK_SOURCE", + linux.IPV6_2292DSTOPTS: "IPV6_2292DSTOPTS", + linux.IPV6_2292HOPLIMIT: "IPV6_2292HOPLIMIT", + linux.IPV6_2292HOPOPTS: "IPV6_2292HOPOPTS", + linux.IPV6_2292PKTINFO: "IPV6_2292PKTINFO", + linux.IPV6_2292PKTOPTIONS: "IPV6_2292PKTOPTIONS", + linux.IPV6_2292RTHDR: "IPV6_2292RTHDR", + linux.IPV6_ADDR_PREFERENCES: "IPV6_ADDR_PREFERENCES", + linux.IPV6_AUTOFLOWLABEL: "IPV6_AUTOFLOWLABEL", + linux.IPV6_DONTFRAG: "IPV6_DONTFRAG", + linux.IPV6_DSTOPTS: "IPV6_DSTOPTS", + linux.IPV6_FLOWINFO: "IPV6_FLOWINFO", + linux.IPV6_FLOWINFO_SEND: "IPV6_FLOWINFO_SEND", + linux.IPV6_FLOWLABEL_MGR: "IPV6_FLOWLABEL_MGR", + linux.IPV6_FREEBIND: "IPV6_FREEBIND", + linux.IPV6_HOPOPTS: "IPV6_HOPOPTS", + linux.IPV6_MINHOPCOUNT: "IPV6_MINHOPCOUNT", + linux.IPV6_MTU: "IPV6_MTU", + linux.IPV6_MTU_DISCOVER: "IPV6_MTU_DISCOVER", + linux.IPV6_MULTICAST_ALL: "IPV6_MULTICAST_ALL", + linux.IPV6_MULTICAST_HOPS: "IPV6_MULTICAST_HOPS", + linux.IPV6_MULTICAST_IF: "IPV6_MULTICAST_IF", + linux.IPV6_MULTICAST_LOOP: "IPV6_MULTICAST_LOOP", + linux.IPV6_RECVDSTOPTS: "IPV6_RECVDSTOPTS", + linux.IPV6_RECVERR: "IPV6_RECVERR", + linux.IPV6_RECVFRAGSIZE: "IPV6_RECVFRAGSIZE", + linux.IPV6_RECVHOPLIMIT: "IPV6_RECVHOPLIMIT", + linux.IPV6_RECVHOPOPTS: "IPV6_RECVHOPOPTS", + linux.IPV6_RECVORIGDSTADDR: "IPV6_RECVORIGDSTADDR", + linux.IPV6_RECVPATHMTU: "IPV6_RECVPATHMTU", + linux.IPV6_RECVPKTINFO: "IPV6_RECVPKTINFO", + linux.IPV6_RECVRTHDR: "IPV6_RECVRTHDR", + linux.IPV6_RECVTCLASS: "IPV6_RECVTCLASS", + linux.IPV6_RTHDR: "IPV6_RTHDR", + linux.IPV6_RTHDRDSTOPTS: "IPV6_RTHDRDSTOPTS", + linux.IPV6_TRANSPARENT: "IPV6_TRANSPARENT", + linux.IPV6_UNICAST_HOPS: "IPV6_UNICAST_HOPS", + linux.IPV6_UNICAST_IF: "IPV6_UNICAST_IF", + linux.MCAST_MSFILTER: "MCAST_MSFILTER", + linux.IPV6_ADDRFORM: "IPV6_ADDRFORM", + }, +} diff --git a/pkg/sentry/strace/strace.go b/pkg/sentry/strace/strace.go index 3fc4a47fc..a796b2396 100644 --- a/pkg/sentry/strace/strace.go +++ b/pkg/sentry/strace/strace.go @@ -55,6 +55,14 @@ var ItimerTypes = abi.ValueSet{ linux.ITIMER_PROF: "ITIMER_PROF", } +func hexNum(num uint64) string { + return "0x" + strconv.FormatUint(num, 16) +} + +func hexArg(arg arch.SyscallArgument) string { + return hexNum(arg.Uint64()) +} + func iovecs(t *kernel.Task, addr usermem.Addr, iovcnt int, printContent bool, maxBytes uint64) string { if iovcnt < 0 || iovcnt > linux.UIO_MAXIOV { return fmt.Sprintf("%#x (error decoding iovecs: invalid iovcnt)", addr) @@ -389,6 +397,12 @@ func (i *SyscallInfo) pre(t *kernel.Task, args arch.SyscallArguments, maximumBlo output = append(output, path(t, args[arg].Pointer())) case ExecveStringVector: output = append(output, stringVector(t, args[arg].Pointer())) + case SetSockOptVal: + output = append(output, sockOptVal(t, args[arg-2].Uint64() /* level */, args[arg-1].Uint64() /* optName */, args[arg].Pointer() /* optVal */, args[arg+1].Uint64() /* optLen */, maximumBlobSize)) + case SockOptLevel: + output = append(output, sockOptLevels.Parse(args[arg].Uint64())) + case SockOptName: + output = append(output, sockOptNames[args[arg-1].Uint64() /* level */].Parse(args[arg].Uint64())) case SockAddr: output = append(output, sockAddr(t, args[arg].Pointer(), uint32(args[arg+1].Uint64()))) case SockLen: @@ -446,7 +460,7 @@ func (i *SyscallInfo) pre(t *kernel.Task, args arch.SyscallArguments, maximumBlo case Hex: fallthrough default: - output = append(output, "0x"+strconv.FormatUint(args[arg].Uint64(), 16)) + output = append(output, hexArg(args[arg])) } } @@ -507,6 +521,12 @@ func (i *SyscallInfo) post(t *kernel.Task, args arch.SyscallArguments, rval uint output[arg] = capData(t, args[arg-1].Pointer(), args[arg].Pointer()) case PollFDs: output[arg] = pollFDs(t, args[arg].Pointer(), uint(args[arg+1].Uint()), true) + case GetSockOptVal: + output[arg] = getSockOptVal(t, args[arg-2].Uint64() /* level */, args[arg-1].Uint64() /* optName */, args[arg].Pointer() /* optVal */, args[arg+1].Pointer() /* optLen */, maximumBlobSize, rval) + case SetSockOptVal: + // No need to print the value again. While it usually + // isn't, the string version of this arg can be long. + output[arg] = hexArg(args[arg]) } } } diff --git a/pkg/sentry/strace/syscalls.go b/pkg/sentry/strace/syscalls.go index 24e29a2ba..446d1e0f6 100644 --- a/pkg/sentry/strace/syscalls.go +++ b/pkg/sentry/strace/syscalls.go @@ -207,9 +207,27 @@ const ( // array is in the next argument. PollFDs - // SelectFDSet is an fd_set argument in select(2)/pselect(2). The number of - // fds represented must be the first argument. + // SelectFDSet is an fd_set argument in select(2)/pselect(2). The + // number of FDs represented must be the first argument. SelectFDSet + + // GetSockOptVal is the optval argument in getsockopt(2). + // + // Formatted after syscall execution. + GetSockOptVal + + // SetSockOptVal is the optval argument in setsockopt(2). + // + // Contents omitted after syscall execution. + SetSockOptVal + + // SockOptLevel is the level argument in getsockopt(2) and + // setsockopt(2). + SockOptLevel + + // SockOptLevel is the optname argument in getsockopt(2) and + // setsockopt(2). + SockOptName ) // defaultFormat is the syscall argument format to use if the actual format is -- cgit v1.2.3 From 9bad87339a10545d267903e7739f8cd978fbd82a Mon Sep 17 00:00:00 2001 From: gVisor bot Date: Thu, 20 Feb 2020 11:29:59 -0800 Subject: Better strace logging for epoll syscalls. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Example: epoll_ctl(0x3 anon_inode:[eventpoll], EPOLL_CTL_ADD, 0x6 anon_inode:[eventfd], 0x7efe2fd92a80 {events=EPOLLIN|EPOLLOUT data=0x10203040506070a}) = 0x0 (4.411µs) epoll_wait(0x3 anon_inode:[eventpoll], 0x7efe2fd92b50 {{events=EPOLLOUT data=0x102030405060708}{events=EPOLLOUT data=0x102030405060708}{events=EPOLLOUT data=0x102030405060708}}, 0x3, 0xffffffff) = 0x3 (29.891µs) PiperOrigin-RevId: 296258146 --- pkg/abi/linux/epoll.go | 7 +++ pkg/sentry/strace/BUILD | 1 + pkg/sentry/strace/epoll.go | 89 ++++++++++++++++++++++++++++++++++++++ pkg/sentry/strace/linux64_amd64.go | 6 +-- pkg/sentry/strace/linux64_arm64.go | 4 +- pkg/sentry/strace/strace.go | 8 ++++ pkg/sentry/strace/syscalls.go | 10 +++++ 7 files changed, 120 insertions(+), 5 deletions(-) create mode 100644 pkg/sentry/strace/epoll.go (limited to 'pkg/sentry/strace/syscalls.go') diff --git a/pkg/abi/linux/epoll.go b/pkg/abi/linux/epoll.go index 6e4de69da..1121a1a92 100644 --- a/pkg/abi/linux/epoll.go +++ b/pkg/abi/linux/epoll.go @@ -14,6 +14,10 @@ package linux +import ( + "gvisor.dev/gvisor/pkg/binary" +) + // Event masks. const ( EPOLLIN = 0x1 @@ -53,3 +57,6 @@ const ( EPOLL_CTL_DEL = 0x2 EPOLL_CTL_MOD = 0x3 ) + +// SizeOfEpollEvent is the size of EpollEvent struct. +var SizeOfEpollEvent = int(binary.Size(EpollEvent{})) diff --git a/pkg/sentry/strace/BUILD b/pkg/sentry/strace/BUILD index 2f39a6f2b..88d5db9fc 100644 --- a/pkg/sentry/strace/BUILD +++ b/pkg/sentry/strace/BUILD @@ -7,6 +7,7 @@ go_library( srcs = [ "capability.go", "clone.go", + "epoll.go", "futex.go", "linux64_amd64.go", "linux64_arm64.go", diff --git a/pkg/sentry/strace/epoll.go b/pkg/sentry/strace/epoll.go new file mode 100644 index 000000000..a6e48b836 --- /dev/null +++ b/pkg/sentry/strace/epoll.go @@ -0,0 +1,89 @@ +// Copyright 2020 The gVisor Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package strace + +import ( + "fmt" + "strings" + + "gvisor.dev/gvisor/pkg/abi" + "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/sentry/kernel" + "gvisor.dev/gvisor/pkg/usermem" +) + +func epollEvent(t *kernel.Task, eventAddr usermem.Addr) string { + var e linux.EpollEvent + if _, err := t.CopyIn(eventAddr, &e); err != nil { + return fmt.Sprintf("%#x {error reading event: %v}", eventAddr, err) + } + var sb strings.Builder + fmt.Fprintf(&sb, "%#x ", eventAddr) + writeEpollEvent(&sb, e) + return sb.String() +} + +func epollEvents(t *kernel.Task, eventsAddr usermem.Addr, numEvents, maxBytes uint64) string { + var sb strings.Builder + fmt.Fprintf(&sb, "%#x {", eventsAddr) + addr := eventsAddr + for i := uint64(0); i < numEvents; i++ { + var e linux.EpollEvent + if _, err := t.CopyIn(addr, &e); err != nil { + fmt.Fprintf(&sb, "{error reading event at %#x: %v}", addr, err) + continue + } + writeEpollEvent(&sb, e) + if uint64(sb.Len()) >= maxBytes { + sb.WriteString("...") + break + } + if _, ok := addr.AddLength(uint64(linux.SizeOfEpollEvent)); !ok { + fmt.Fprintf(&sb, "{error reading event at %#x: EFAULT}", addr) + continue + } + } + sb.WriteString("}") + return sb.String() +} + +func writeEpollEvent(sb *strings.Builder, e linux.EpollEvent) { + events := epollEventEvents.Parse(uint64(e.Events)) + fmt.Fprintf(sb, "{events=%s data=[%#x, %#x]}", events, e.Data[0], e.Data[1]) +} + +var epollCtlOps = abi.ValueSet{ + linux.EPOLL_CTL_ADD: "EPOLL_CTL_ADD", + linux.EPOLL_CTL_DEL: "EPOLL_CTL_DEL", + linux.EPOLL_CTL_MOD: "EPOLL_CTL_MOD", +} + +var epollEventEvents = abi.FlagSet{ + {Flag: linux.EPOLLIN, Name: "EPOLLIN"}, + {Flag: linux.EPOLLPRI, Name: "EPOLLPRI"}, + {Flag: linux.EPOLLOUT, Name: "EPOLLOUT"}, + {Flag: linux.EPOLLERR, Name: "EPOLLERR"}, + {Flag: linux.EPOLLHUP, Name: "EPULLHUP"}, + {Flag: linux.EPOLLRDNORM, Name: "EPOLLRDNORM"}, + {Flag: linux.EPOLLRDBAND, Name: "EPOLLRDBAND"}, + {Flag: linux.EPOLLWRNORM, Name: "EPOLLWRNORM"}, + {Flag: linux.EPOLLWRBAND, Name: "EPOLLWRBAND"}, + {Flag: linux.EPOLLMSG, Name: "EPOLLMSG"}, + {Flag: linux.EPOLLRDHUP, Name: "EPOLLRDHUP"}, + {Flag: linux.EPOLLEXCLUSIVE, Name: "EPOLLEXCLUSIVE"}, + {Flag: linux.EPOLLWAKEUP, Name: "EPOLLWAKEUP"}, + {Flag: linux.EPOLLONESHOT, Name: "EPOLLONESHOT"}, + {Flag: linux.EPOLLET, Name: "EPOLLET"}, +} diff --git a/pkg/sentry/strace/linux64_amd64.go b/pkg/sentry/strace/linux64_amd64.go index a4de545e9..71b92eaee 100644 --- a/pkg/sentry/strace/linux64_amd64.go +++ b/pkg/sentry/strace/linux64_amd64.go @@ -256,8 +256,8 @@ var linuxAMD64 = SyscallMap{ 229: makeSyscallInfo("clock_getres", Hex, PostTimespec), 230: makeSyscallInfo("clock_nanosleep", Hex, Hex, Timespec, PostTimespec), 231: makeSyscallInfo("exit_group", Hex), - 232: makeSyscallInfo("epoll_wait", Hex, Hex, Hex, Hex), - 233: makeSyscallInfo("epoll_ctl", Hex, Hex, FD, Hex), + 232: makeSyscallInfo("epoll_wait", FD, EpollEvents, Hex, Hex), + 233: makeSyscallInfo("epoll_ctl", FD, EpollCtlOp, FD, EpollEvent), 234: makeSyscallInfo("tgkill", Hex, Hex, Signal), 235: makeSyscallInfo("utimes", Path, Timeval), // 236: vserver (not implemented in the Linux kernel) @@ -305,7 +305,7 @@ var linuxAMD64 = SyscallMap{ 278: makeSyscallInfo("vmsplice", FD, Hex, Hex, Hex), 279: makeSyscallInfo("move_pages", Hex, Hex, Hex, Hex, Hex, Hex), 280: makeSyscallInfo("utimensat", FD, Path, UTimeTimespec, Hex), - 281: makeSyscallInfo("epoll_pwait", Hex, Hex, Hex, Hex, SigSet, Hex), + 281: makeSyscallInfo("epoll_pwait", FD, EpollEvents, Hex, Hex, SigSet, Hex), 282: makeSyscallInfo("signalfd", Hex, Hex, Hex), 283: makeSyscallInfo("timerfd_create", Hex, Hex), 284: makeSyscallInfo("eventfd", Hex), diff --git a/pkg/sentry/strace/linux64_arm64.go b/pkg/sentry/strace/linux64_arm64.go index 8bc38545f..bd7361a52 100644 --- a/pkg/sentry/strace/linux64_arm64.go +++ b/pkg/sentry/strace/linux64_arm64.go @@ -45,8 +45,8 @@ var linuxARM64 = SyscallMap{ 18: makeSyscallInfo("lookup_dcookie", Hex, Hex, Hex), 19: makeSyscallInfo("eventfd2", Hex, Hex), 20: makeSyscallInfo("epoll_create1", Hex), - 21: makeSyscallInfo("epoll_ctl", Hex, Hex, FD, Hex), - 22: makeSyscallInfo("epoll_pwait", Hex, Hex, Hex, Hex, SigSet, Hex), + 21: makeSyscallInfo("epoll_ctl", FD, EpollCtlOp, FD, EpollEvent), + 22: makeSyscallInfo("epoll_pwait", FD, EpollEvents, Hex, Hex, SigSet, Hex), 23: makeSyscallInfo("dup", FD), 24: makeSyscallInfo("dup3", FD, FD, Hex), 25: makeSyscallInfo("fcntl", FD, Hex, Hex), diff --git a/pkg/sentry/strace/strace.go b/pkg/sentry/strace/strace.go index 46cb2a1cc..77655558e 100644 --- a/pkg/sentry/strace/strace.go +++ b/pkg/sentry/strace/strace.go @@ -481,6 +481,12 @@ func (i *SyscallInfo) pre(t *kernel.Task, args arch.SyscallArguments, maximumBlo output = append(output, capData(t, args[arg-1].Pointer(), args[arg].Pointer())) case PollFDs: output = append(output, pollFDs(t, args[arg].Pointer(), uint(args[arg+1].Uint()), false)) + case EpollCtlOp: + output = append(output, epollCtlOps.Parse(uint64(args[arg].Int()))) + case EpollEvent: + output = append(output, epollEvent(t, args[arg].Pointer())) + case EpollEvents: + output = append(output, epollEvents(t, args[arg].Pointer(), 0 /* numEvents */, uint64(maximumBlobSize))) case SelectFDSet: output = append(output, fdSet(t, int(args[0].Int()), args[arg].Pointer())) case Oct: @@ -549,6 +555,8 @@ func (i *SyscallInfo) post(t *kernel.Task, args arch.SyscallArguments, rval uint output[arg] = capData(t, args[arg-1].Pointer(), args[arg].Pointer()) case PollFDs: output[arg] = pollFDs(t, args[arg].Pointer(), uint(args[arg+1].Uint()), true) + case EpollEvents: + output[arg] = epollEvents(t, args[arg].Pointer(), uint64(rval), uint64(maximumBlobSize)) case GetSockOptVal: output[arg] = getSockOptVal(t, args[arg-2].Uint64() /* level */, args[arg-1].Uint64() /* optName */, args[arg].Pointer() /* optVal */, args[arg+1].Pointer() /* optLen */, maximumBlobSize, rval) case SetSockOptVal: diff --git a/pkg/sentry/strace/syscalls.go b/pkg/sentry/strace/syscalls.go index 446d1e0f6..7e69b9279 100644 --- a/pkg/sentry/strace/syscalls.go +++ b/pkg/sentry/strace/syscalls.go @@ -228,6 +228,16 @@ const ( // SockOptLevel is the optname argument in getsockopt(2) and // setsockopt(2). SockOptName + + // EpollCtlOp is the op argument to epoll_ctl(2). + EpollCtlOp + + // EpollEvent is the event argument in epoll_ctl(2). + EpollEvent + + // EpollEvents is an array of struct epoll_event. It is the events + // argument in epoll_wait(2)/epoll_pwait(2). + EpollEvents ) // defaultFormat is the syscall argument format to use if the actual format is -- cgit v1.2.3