1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
|
// 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 linux
import (
"gvisor.dev/gvisor/pkg/abi"
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/syscalls"
"gvisor.dev/gvisor/pkg/sentry/usermem"
"gvisor.dev/gvisor/pkg/syserror"
)
// AMD64 is a table of Linux amd64 syscall API with the corresponding syscall
// numbers from Linux 4.4.
var AMD64 = &kernel.SyscallTable{
OS: abi.Linux,
Arch: arch.AMD64,
Version: kernel.Version{
// Version 4.4 is chosen as a stable, longterm version of Linux, which
// guides the interface provided by this syscall table. The build
// version is that for a clean build with default kernel config, at 5
// minutes after v4.4 was tagged.
Sysname: LinuxSysname,
Release: LinuxRelease,
Version: LinuxVersion,
},
AuditNumber: linux.AUDIT_ARCH_X86_64,
Table: map[uintptr]kernel.Syscall{
0: syscalls.Supported("read", Read),
1: syscalls.Supported("write", Write),
2: syscalls.PartiallySupported("open", Open, "Options O_DIRECT, O_NOATIME, O_PATH, O_TMPFILE, O_SYNC are not supported.", nil),
3: syscalls.Supported("close", Close),
4: syscalls.Supported("stat", Stat),
5: syscalls.Supported("fstat", Fstat),
6: syscalls.Supported("lstat", Lstat),
7: syscalls.Supported("poll", Poll),
8: syscalls.Supported("lseek", Lseek),
9: syscalls.PartiallySupported("mmap", Mmap, "Generally supported with exceptions. Options MAP_FIXED_NOREPLACE, MAP_SHARED_VALIDATE, MAP_SYNC MAP_GROWSDOWN, MAP_HUGETLB are not supported.", nil),
10: syscalls.Supported("mprotect", Mprotect),
11: syscalls.Supported("munmap", Munmap),
12: syscalls.Supported("brk", Brk),
13: syscalls.Supported("rt_sigaction", RtSigaction),
14: syscalls.Supported("rt_sigprocmask", RtSigprocmask),
15: syscalls.Supported("rt_sigreturn", RtSigreturn),
16: syscalls.PartiallySupported("ioctl", Ioctl, "Only a few ioctls are implemented for backing devices and file systems.", nil),
17: syscalls.Supported("pread64", Pread64),
18: syscalls.Supported("pwrite64", Pwrite64),
19: syscalls.Supported("readv", Readv),
20: syscalls.Supported("writev", Writev),
21: syscalls.Supported("access", Access),
22: syscalls.Supported("pipe", Pipe),
23: syscalls.Supported("select", Select),
24: syscalls.Supported("sched_yield", SchedYield),
25: syscalls.Supported("mremap", Mremap),
26: syscalls.PartiallySupported("msync", Msync, "Full data flush is not guaranteed at this time.", nil),
27: syscalls.PartiallySupported("mincore", Mincore, "Stub implementation. The sandbox does not have access to this information. Reports all mapped pages are resident.", nil),
28: syscalls.PartiallySupported("madvise", Madvise, "Options MADV_DONTNEED, MADV_DONTFORK are supported. Other advice is ignored.", nil),
29: syscalls.PartiallySupported("shmget", Shmget, "Option SHM_HUGETLB is not supported.", nil),
30: syscalls.PartiallySupported("shmat", Shmat, "Option SHM_RND is not supported.", nil),
31: syscalls.PartiallySupported("shmctl", Shmctl, "Options SHM_LOCK, SHM_UNLOCK are not supported.", nil),
32: syscalls.Supported("dup", Dup),
33: syscalls.Supported("dup2", Dup2),
34: syscalls.Supported("pause", Pause),
35: syscalls.Supported("nanosleep", Nanosleep),
36: syscalls.Supported("getitimer", Getitimer),
37: syscalls.Supported("alarm", Alarm),
38: syscalls.Supported("setitimer", Setitimer),
39: syscalls.Supported("getpid", Getpid),
40: syscalls.Supported("sendfile", Sendfile),
41: syscalls.PartiallySupported("socket", Socket, "Limited support for AF_NETLINK, NETLINK_ROUTE sockets. Limited support for SOCK_RAW.", nil),
42: syscalls.Supported("connect", Connect),
43: syscalls.Supported("accept", Accept),
44: syscalls.Supported("sendto", SendTo),
45: syscalls.Supported("recvfrom", RecvFrom),
46: syscalls.Supported("sendmsg", SendMsg),
47: syscalls.PartiallySupported("recvmsg", RecvMsg, "Not all flags and control messages are supported.", nil),
48: syscalls.PartiallySupported("shutdown", Shutdown, "Not all flags and control messages are supported.", nil),
49: syscalls.PartiallySupported("bind", Bind, "Autobind for abstract Unix sockets is not supported.", nil),
50: syscalls.Supported("listen", Listen),
51: syscalls.Supported("getsockname", GetSockName),
52: syscalls.Supported("getpeername", GetPeerName),
53: syscalls.Supported("socketpair", SocketPair),
54: syscalls.PartiallySupported("setsockopt", SetSockOpt, "Not all socket options are supported.", nil),
55: syscalls.PartiallySupported("getsockopt", GetSockOpt, "Not all socket options are supported.", nil),
56: syscalls.PartiallySupported("clone", Clone, "Mount namespace (CLONE_NEWNS) not supported. Options CLONE_PARENT, CLONE_SYSVSEM not supported.", nil),
57: syscalls.Supported("fork", Fork),
58: syscalls.Supported("vfork", Vfork),
59: syscalls.Supported("execve", Execve),
60: syscalls.Supported("exit", Exit),
61: syscalls.Supported("wait4", Wait4),
62: syscalls.Supported("kill", Kill),
63: syscalls.Supported("uname", Uname),
64: syscalls.Supported("semget", Semget),
65: syscalls.PartiallySupported("semop", Semop, "Option SEM_UNDO not supported.", nil),
66: syscalls.PartiallySupported("semctl", Semctl, "Options IPC_INFO, SEM_INFO, IPC_STAT, SEM_STAT, SEM_STAT_ANY, GETNCNT, GETZCNT not supported.", nil),
67: syscalls.Supported("shmdt", Shmdt),
68: syscalls.ErrorWithEvent("msgget", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
69: syscalls.ErrorWithEvent("msgsnd", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
70: syscalls.ErrorWithEvent("msgrcv", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
71: syscalls.ErrorWithEvent("msgctl", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
72: syscalls.PartiallySupported("fcntl", Fcntl, "Not all options are supported.", nil),
73: syscalls.PartiallySupported("flock", Flock, "Locks are held within the sandbox only.", nil),
74: syscalls.PartiallySupported("fsync", Fsync, "Full data flush is not guaranteed at this time.", nil),
75: syscalls.PartiallySupported("fdatasync", Fdatasync, "Full data flush is not guaranteed at this time.", nil),
76: syscalls.Supported("truncate", Truncate),
77: syscalls.Supported("ftruncate", Ftruncate),
78: syscalls.Supported("getdents", Getdents),
79: syscalls.Supported("getcwd", Getcwd),
80: syscalls.Supported("chdir", Chdir),
81: syscalls.Supported("fchdir", Fchdir),
82: syscalls.Supported("rename", Rename),
83: syscalls.Supported("mkdir", Mkdir),
84: syscalls.Supported("rmdir", Rmdir),
85: syscalls.Supported("creat", Creat),
86: syscalls.Supported("link", Link),
87: syscalls.Supported("unlink", Unlink),
88: syscalls.Supported("symlink", Symlink),
89: syscalls.Supported("readlink", Readlink),
90: syscalls.Supported("chmod", Chmod),
91: syscalls.PartiallySupported("fchmod", Fchmod, "Options S_ISUID and S_ISGID not supported.", nil),
92: syscalls.Supported("chown", Chown),
93: syscalls.Supported("fchown", Fchown),
94: syscalls.Supported("lchown", Lchown),
95: syscalls.Supported("umask", Umask),
96: syscalls.Supported("gettimeofday", Gettimeofday),
97: syscalls.Supported("getrlimit", Getrlimit),
98: syscalls.PartiallySupported("getrusage", Getrusage, "Fields ru_maxrss, ru_minflt, ru_majflt, ru_inblock, ru_oublock are not supported. Fields ru_utime and ru_stime have low precision.", nil),
99: syscalls.PartiallySupported("sysinfo", Sysinfo, "Fields loads, sharedram, bufferram, totalswap, freeswap, totalhigh, freehigh not supported.", nil),
100: syscalls.Supported("times", Times),
101: syscalls.PartiallySupported("ptrace", Ptrace, "Options PTRACE_PEEKSIGINFO, PTRACE_SECCOMP_GET_FILTER not supported.", nil),
102: syscalls.Supported("getuid", Getuid),
103: syscalls.PartiallySupported("syslog", Syslog, "Outputs a dummy message for security reasons.", nil),
104: syscalls.Supported("getgid", Getgid),
105: syscalls.Supported("setuid", Setuid),
106: syscalls.Supported("setgid", Setgid),
107: syscalls.Supported("geteuid", Geteuid),
108: syscalls.Supported("getegid", Getegid),
109: syscalls.Supported("setpgid", Setpgid),
110: syscalls.Supported("getppid", Getppid),
111: syscalls.Supported("getpgrp", Getpgrp),
112: syscalls.Supported("setsid", Setsid),
113: syscalls.Supported("setreuid", Setreuid),
114: syscalls.Supported("setregid", Setregid),
115: syscalls.Supported("getgroups", Getgroups),
116: syscalls.Supported("setgroups", Setgroups),
117: syscalls.Supported("setresuid", Setresuid),
118: syscalls.Supported("getresuid", Getresuid),
119: syscalls.Supported("setresgid", Setresgid),
120: syscalls.Supported("getresgid", Getresgid),
121: syscalls.Supported("getpgid", Getpgid),
122: syscalls.ErrorWithEvent("setfsuid", syserror.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702)
123: syscalls.ErrorWithEvent("setfsgid", syserror.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702)
124: syscalls.Supported("getsid", Getsid),
125: syscalls.Supported("capget", Capget),
126: syscalls.Supported("capset", Capset),
127: syscalls.Supported("rt_sigpending", RtSigpending),
128: syscalls.Supported("rt_sigtimedwait", RtSigtimedwait),
129: syscalls.Supported("rt_sigqueueinfo", RtSigqueueinfo),
130: syscalls.Supported("rt_sigsuspend", RtSigsuspend),
131: syscalls.Supported("sigaltstack", Sigaltstack),
132: syscalls.Supported("utime", Utime),
133: syscalls.PartiallySupported("mknod", Mknod, "Device creation is not generally supported. Only regular file and FIFO creation are supported.", nil),
134: syscalls.Error("uselib", syserror.ENOSYS, "Obsolete", nil),
135: syscalls.ErrorWithEvent("personality", syserror.EINVAL, "Unable to change personality.", nil),
136: syscalls.ErrorWithEvent("ustat", syserror.ENOSYS, "Needs filesystem support.", nil),
137: syscalls.PartiallySupported("statfs", Statfs, "Depends on the backing file system implementation.", nil),
138: syscalls.PartiallySupported("fstatfs", Fstatfs, "Depends on the backing file system implementation.", nil),
139: syscalls.ErrorWithEvent("sysfs", syserror.ENOSYS, "", []string{"gvisor.dev/issue/165"}),
140: syscalls.PartiallySupported("getpriority", Getpriority, "Stub implementation.", nil),
141: syscalls.PartiallySupported("setpriority", Setpriority, "Stub implementation.", nil),
142: syscalls.CapError("sched_setparam", linux.CAP_SYS_NICE, "", nil),
143: syscalls.PartiallySupported("sched_getparam", SchedGetparam, "Stub implementation.", nil),
144: syscalls.PartiallySupported("sched_setscheduler", SchedSetscheduler, "Stub implementation.", nil),
145: syscalls.PartiallySupported("sched_getscheduler", SchedGetscheduler, "Stub implementation.", nil),
146: syscalls.PartiallySupported("sched_get_priority_max", SchedGetPriorityMax, "Stub implementation.", nil),
147: syscalls.PartiallySupported("sched_get_priority_min", SchedGetPriorityMin, "Stub implementation.", nil),
148: syscalls.ErrorWithEvent("sched_rr_get_interval", syserror.EPERM, "", nil),
149: syscalls.PartiallySupported("mlock", Mlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
150: syscalls.PartiallySupported("munlock", Munlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
151: syscalls.PartiallySupported("mlockall", Mlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
152: syscalls.PartiallySupported("munlockall", Munlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
153: syscalls.CapError("vhangup", linux.CAP_SYS_TTY_CONFIG, "", nil),
154: syscalls.Error("modify_ldt", syserror.EPERM, "", nil),
155: syscalls.Error("pivot_root", syserror.EPERM, "", nil),
156: syscalls.Error("sysctl", syserror.EPERM, "Deprecated. Use /proc/sys instead.", nil),
157: syscalls.PartiallySupported("prctl", Prctl, "Not all options are supported.", nil),
158: syscalls.PartiallySupported("arch_prctl", ArchPrctl, "Options ARCH_GET_GS, ARCH_SET_GS not supported.", nil),
159: syscalls.CapError("adjtimex", linux.CAP_SYS_TIME, "", nil),
160: syscalls.PartiallySupported("setrlimit", Setrlimit, "Not all rlimits are enforced.", nil),
161: syscalls.Supported("chroot", Chroot),
162: syscalls.PartiallySupported("sync", Sync, "Full data flush is not guaranteed at this time.", nil),
163: syscalls.CapError("acct", linux.CAP_SYS_PACCT, "", nil),
164: syscalls.CapError("settimeofday", linux.CAP_SYS_TIME, "", nil),
165: syscalls.PartiallySupported("mount", Mount, "Not all options or file systems are supported.", nil),
166: syscalls.PartiallySupported("umount2", Umount2, "Not all options or file systems are supported.", nil),
167: syscalls.CapError("swapon", linux.CAP_SYS_ADMIN, "", nil),
168: syscalls.CapError("swapoff", linux.CAP_SYS_ADMIN, "", nil),
169: syscalls.CapError("reboot", linux.CAP_SYS_BOOT, "", nil),
170: syscalls.Supported("sethostname", Sethostname),
171: syscalls.Supported("setdomainname", Setdomainname),
172: syscalls.CapError("iopl", linux.CAP_SYS_RAWIO, "", nil),
173: syscalls.CapError("ioperm", linux.CAP_SYS_RAWIO, "", nil),
174: syscalls.CapError("create_module", linux.CAP_SYS_MODULE, "", nil),
175: syscalls.CapError("init_module", linux.CAP_SYS_MODULE, "", nil),
176: syscalls.CapError("delete_module", linux.CAP_SYS_MODULE, "", nil),
177: syscalls.Error("get_kernel_syms", syserror.ENOSYS, "Not supported in Linux > 2.6.", nil),
178: syscalls.Error("query_module", syserror.ENOSYS, "Not supported in Linux > 2.6.", nil),
179: syscalls.CapError("quotactl", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_admin for most operations
180: syscalls.Error("nfsservctl", syserror.ENOSYS, "Removed after Linux 3.1.", nil),
181: syscalls.Error("getpmsg", syserror.ENOSYS, "Not implemented in Linux.", nil),
182: syscalls.Error("putpmsg", syserror.ENOSYS, "Not implemented in Linux.", nil),
183: syscalls.Error("afs_syscall", syserror.ENOSYS, "Not implemented in Linux.", nil),
184: syscalls.Error("tuxcall", syserror.ENOSYS, "Not implemented in Linux.", nil),
185: syscalls.Error("security", syserror.ENOSYS, "Not implemented in Linux.", nil),
186: syscalls.Supported("gettid", Gettid),
187: syscalls.Supported("readahead", Readahead),
188: syscalls.PartiallySupported("setxattr", Setxattr, "Only supported for tmpfs.", nil),
189: syscalls.Error("lsetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
190: syscalls.Error("fsetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
191: syscalls.PartiallySupported("getxattr", Getxattr, "Only supported for tmpfs.", nil),
192: syscalls.ErrorWithEvent("lgetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
193: syscalls.ErrorWithEvent("fgetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
194: syscalls.ErrorWithEvent("listxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
195: syscalls.ErrorWithEvent("llistxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
196: syscalls.ErrorWithEvent("flistxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
197: syscalls.ErrorWithEvent("removexattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
198: syscalls.ErrorWithEvent("lremovexattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
199: syscalls.ErrorWithEvent("fremovexattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
200: syscalls.Supported("tkill", Tkill),
201: syscalls.Supported("time", Time),
202: syscalls.PartiallySupported("futex", Futex, "Robust futexes not supported.", nil),
203: syscalls.PartiallySupported("sched_setaffinity", SchedSetaffinity, "Stub implementation.", nil),
204: syscalls.PartiallySupported("sched_getaffinity", SchedGetaffinity, "Stub implementation.", nil),
205: syscalls.Error("set_thread_area", syserror.ENOSYS, "Expected to return ENOSYS on 64-bit", nil),
206: syscalls.PartiallySupported("io_setup", IoSetup, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
207: syscalls.PartiallySupported("io_destroy", IoDestroy, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
208: syscalls.PartiallySupported("io_getevents", IoGetevents, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
209: syscalls.PartiallySupported("io_submit", IoSubmit, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
210: syscalls.PartiallySupported("io_cancel", IoCancel, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
211: syscalls.Error("get_thread_area", syserror.ENOSYS, "Expected to return ENOSYS on 64-bit", nil),
212: syscalls.CapError("lookup_dcookie", linux.CAP_SYS_ADMIN, "", nil),
213: syscalls.Supported("epoll_create", EpollCreate),
214: syscalls.ErrorWithEvent("epoll_ctl_old", syserror.ENOSYS, "Deprecated.", nil),
215: syscalls.ErrorWithEvent("epoll_wait_old", syserror.ENOSYS, "Deprecated.", nil),
216: syscalls.ErrorWithEvent("remap_file_pages", syserror.ENOSYS, "Deprecated since Linux 3.16.", nil),
217: syscalls.Supported("getdents64", Getdents64),
218: syscalls.Supported("set_tid_address", SetTidAddress),
219: syscalls.Supported("restart_syscall", RestartSyscall),
220: syscalls.ErrorWithEvent("semtimedop", syserror.ENOSYS, "", []string{"gvisor.dev/issue/137"}),
221: syscalls.PartiallySupported("fadvise64", Fadvise64, "Not all options are supported.", nil),
222: syscalls.Supported("timer_create", TimerCreate),
223: syscalls.Supported("timer_settime", TimerSettime),
224: syscalls.Supported("timer_gettime", TimerGettime),
225: syscalls.Supported("timer_getoverrun", TimerGetoverrun),
226: syscalls.Supported("timer_delete", TimerDelete),
227: syscalls.Supported("clock_settime", ClockSettime),
228: syscalls.Supported("clock_gettime", ClockGettime),
229: syscalls.Supported("clock_getres", ClockGetres),
230: syscalls.Supported("clock_nanosleep", ClockNanosleep),
231: syscalls.Supported("exit_group", ExitGroup),
232: syscalls.Supported("epoll_wait", EpollWait),
233: syscalls.Supported("epoll_ctl", EpollCtl),
234: syscalls.Supported("tgkill", Tgkill),
235: syscalls.Supported("utimes", Utimes),
236: syscalls.Error("vserver", syserror.ENOSYS, "Not implemented by Linux", nil),
237: syscalls.PartiallySupported("mbind", Mbind, "Stub implementation. Only a single NUMA node is advertised, and mempolicy is ignored accordingly, but mbind() will succeed and has effects reflected by get_mempolicy.", []string{"gvisor.dev/issue/262"}),
238: syscalls.PartiallySupported("set_mempolicy", SetMempolicy, "Stub implementation.", nil),
239: syscalls.PartiallySupported("get_mempolicy", GetMempolicy, "Stub implementation.", nil),
240: syscalls.ErrorWithEvent("mq_open", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
241: syscalls.ErrorWithEvent("mq_unlink", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
242: syscalls.ErrorWithEvent("mq_timedsend", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
243: syscalls.ErrorWithEvent("mq_timedreceive", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
244: syscalls.ErrorWithEvent("mq_notify", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
245: syscalls.ErrorWithEvent("mq_getsetattr", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
246: syscalls.CapError("kexec_load", linux.CAP_SYS_BOOT, "", nil),
247: syscalls.Supported("waitid", Waitid),
248: syscalls.Error("add_key", syserror.EACCES, "Not available to user.", nil),
249: syscalls.Error("request_key", syserror.EACCES, "Not available to user.", nil),
250: syscalls.Error("keyctl", syserror.EACCES, "Not available to user.", nil),
251: syscalls.CapError("ioprio_set", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending)
252: syscalls.CapError("ioprio_get", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending)
253: syscalls.PartiallySupported("inotify_init", InotifyInit, "inotify events are only available inside the sandbox.", nil),
254: syscalls.PartiallySupported("inotify_add_watch", InotifyAddWatch, "inotify events are only available inside the sandbox.", nil),
255: syscalls.PartiallySupported("inotify_rm_watch", InotifyRmWatch, "inotify events are only available inside the sandbox.", nil),
256: syscalls.CapError("migrate_pages", linux.CAP_SYS_NICE, "", nil),
257: syscalls.Supported("openat", Openat),
258: syscalls.Supported("mkdirat", Mkdirat),
259: syscalls.Supported("mknodat", Mknodat),
260: syscalls.Supported("fchownat", Fchownat),
261: syscalls.Supported("futimesat", Futimesat),
262: syscalls.Supported("fstatat", Fstatat),
263: syscalls.Supported("unlinkat", Unlinkat),
264: syscalls.Supported("renameat", Renameat),
265: syscalls.Supported("linkat", Linkat),
266: syscalls.Supported("symlinkat", Symlinkat),
267: syscalls.Supported("readlinkat", Readlinkat),
268: syscalls.Supported("fchmodat", Fchmodat),
269: syscalls.Supported("faccessat", Faccessat),
270: syscalls.Supported("pselect", Pselect),
271: syscalls.Supported("ppoll", Ppoll),
272: syscalls.PartiallySupported("unshare", Unshare, "Mount, cgroup namespaces not supported. Network namespaces supported but must be empty.", nil),
273: syscalls.Error("set_robust_list", syserror.ENOSYS, "Obsolete.", nil),
274: syscalls.Error("get_robust_list", syserror.ENOSYS, "Obsolete.", nil),
275: syscalls.Supported("splice", Splice),
276: syscalls.Supported("tee", Tee),
277: syscalls.PartiallySupported("sync_file_range", SyncFileRange, "Full data flush is not guaranteed at this time.", nil),
278: syscalls.ErrorWithEvent("vmsplice", syserror.ENOSYS, "", []string{"gvisor.dev/issue/138"}), // TODO(b/29354098)
279: syscalls.CapError("move_pages", linux.CAP_SYS_NICE, "", nil), // requires cap_sys_nice (mostly)
280: syscalls.Supported("utimensat", Utimensat),
281: syscalls.Supported("epoll_pwait", EpollPwait),
282: syscalls.PartiallySupported("signalfd", Signalfd, "Semantics are slightly different.", []string{"gvisor.dev/issue/139"}),
283: syscalls.Supported("timerfd_create", TimerfdCreate),
284: syscalls.Supported("eventfd", Eventfd),
285: syscalls.PartiallySupported("fallocate", Fallocate, "Not all options are supported.", nil),
286: syscalls.Supported("timerfd_settime", TimerfdSettime),
287: syscalls.Supported("timerfd_gettime", TimerfdGettime),
288: syscalls.Supported("accept4", Accept4),
289: syscalls.PartiallySupported("signalfd4", Signalfd4, "Semantics are slightly different.", []string{"gvisor.dev/issue/139"}),
290: syscalls.Supported("eventfd2", Eventfd2),
291: syscalls.Supported("epoll_create1", EpollCreate1),
292: syscalls.Supported("dup3", Dup3),
293: syscalls.Supported("pipe2", Pipe2),
294: syscalls.Supported("inotify_init1", InotifyInit1),
295: syscalls.Supported("preadv", Preadv),
296: syscalls.Supported("pwritev", Pwritev),
297: syscalls.Supported("rt_tgsigqueueinfo", RtTgsigqueueinfo),
298: syscalls.ErrorWithEvent("perf_event_open", syserror.ENODEV, "No support for perf counters", nil),
299: syscalls.PartiallySupported("recvmmsg", RecvMMsg, "Not all flags and control messages are supported.", nil),
300: syscalls.ErrorWithEvent("fanotify_init", syserror.ENOSYS, "Needs CONFIG_FANOTIFY", nil),
301: syscalls.ErrorWithEvent("fanotify_mark", syserror.ENOSYS, "Needs CONFIG_FANOTIFY", nil),
302: syscalls.Supported("prlimit64", Prlimit64),
303: syscalls.Error("name_to_handle_at", syserror.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
304: syscalls.Error("open_by_handle_at", syserror.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
305: syscalls.CapError("clock_adjtime", linux.CAP_SYS_TIME, "", nil),
306: syscalls.PartiallySupported("syncfs", Syncfs, "Depends on backing file system.", nil),
307: syscalls.PartiallySupported("sendmmsg", SendMMsg, "Not all flags and control messages are supported.", nil),
308: syscalls.ErrorWithEvent("setns", syserror.EOPNOTSUPP, "Needs filesystem support", []string{"gvisor.dev/issue/140"}), // TODO(b/29354995)
309: syscalls.Supported("getcpu", Getcpu),
310: syscalls.ErrorWithEvent("process_vm_readv", syserror.ENOSYS, "", []string{"gvisor.dev/issue/158"}),
311: syscalls.ErrorWithEvent("process_vm_writev", syserror.ENOSYS, "", []string{"gvisor.dev/issue/158"}),
312: syscalls.CapError("kcmp", linux.CAP_SYS_PTRACE, "", nil),
313: syscalls.CapError("finit_module", linux.CAP_SYS_MODULE, "", nil),
314: syscalls.ErrorWithEvent("sched_setattr", syserror.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272)
315: syscalls.ErrorWithEvent("sched_getattr", syserror.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272)
316: syscalls.ErrorWithEvent("renameat2", syserror.ENOSYS, "", []string{"gvisor.dev/issue/263"}), // TODO(b/118902772)
317: syscalls.Supported("seccomp", Seccomp),
318: syscalls.Supported("getrandom", GetRandom),
319: syscalls.Supported("memfd_create", MemfdCreate),
320: syscalls.CapError("kexec_file_load", linux.CAP_SYS_BOOT, "", nil),
321: syscalls.CapError("bpf", linux.CAP_SYS_ADMIN, "", nil),
322: syscalls.Supported("execveat", Execveat),
323: syscalls.ErrorWithEvent("userfaultfd", syserror.ENOSYS, "", []string{"gvisor.dev/issue/266"}), // TODO(b/118906345)
324: syscalls.ErrorWithEvent("membarrier", syserror.ENOSYS, "", []string{"gvisor.dev/issue/267"}), // TODO(gvisor.dev/issue/267)
325: syscalls.PartiallySupported("mlock2", Mlock2, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
// Syscalls implemented after 325 are "backports" from versions
// of Linux after 4.4.
326: syscalls.ErrorWithEvent("copy_file_range", syserror.ENOSYS, "", nil),
327: syscalls.Supported("preadv2", Preadv2),
328: syscalls.PartiallySupported("pwritev2", Pwritev2, "Flag RWF_HIPRI is not supported.", nil),
329: syscalls.ErrorWithEvent("pkey_mprotect", syserror.ENOSYS, "", nil),
330: syscalls.ErrorWithEvent("pkey_alloc", syserror.ENOSYS, "", nil),
331: syscalls.ErrorWithEvent("pkey_free", syserror.ENOSYS, "", nil),
332: syscalls.Supported("statx", Statx),
333: syscalls.ErrorWithEvent("io_pgetevents", syserror.ENOSYS, "", nil),
334: syscalls.PartiallySupported("rseq", RSeq, "Not supported on all platforms.", nil),
// Linux skips ahead to syscall 424 to sync numbers between arches.
424: syscalls.ErrorWithEvent("pidfd_send_signal", syserror.ENOSYS, "", nil),
425: syscalls.ErrorWithEvent("io_uring_setup", syserror.ENOSYS, "", nil),
426: syscalls.ErrorWithEvent("io_uring_enter", syserror.ENOSYS, "", nil),
427: syscalls.ErrorWithEvent("io_uring_register", syserror.ENOSYS, "", nil),
428: syscalls.ErrorWithEvent("open_tree", syserror.ENOSYS, "", nil),
429: syscalls.ErrorWithEvent("move_mount", syserror.ENOSYS, "", nil),
430: syscalls.ErrorWithEvent("fsopen", syserror.ENOSYS, "", nil),
431: syscalls.ErrorWithEvent("fsconfig", syserror.ENOSYS, "", nil),
432: syscalls.ErrorWithEvent("fsmount", syserror.ENOSYS, "", nil),
433: syscalls.ErrorWithEvent("fspick", syserror.ENOSYS, "", nil),
434: syscalls.ErrorWithEvent("pidfd_open", syserror.ENOSYS, "", nil),
435: syscalls.ErrorWithEvent("clone3", syserror.ENOSYS, "", nil),
},
Emulate: map[usermem.Addr]uintptr{
0xffffffffff600000: 96, // vsyscall gettimeofday(2)
0xffffffffff600400: 201, // vsyscall time(2)
0xffffffffff600800: 309, // vsyscall getcpu(2)
},
Missing: func(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, error) {
t.Kernel().EmitUnimplementedEvent(t)
return 0, syserror.ENOSYS
},
}
|
