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2021-09-14Compose raw IP with datagram-based endpointGhanan Gowripalan
A raw IP endpoint's write and socket option get/set path can use the datagram-based endpoint. This change extracts tests from UDP that may also run on Raw IP sockets. Updates #6565. Test: Raw IP + datagram-based socket syscall tests. PiperOrigin-RevId: 396729727
2021-09-14Use a shared method to get loopback indexGhanan Gowripalan
Code to get the loopback interface's index is scattered throughout the syscall tests. Implement the code once and use that in tests (where applicable). While I am here, trim the dependencies/includes for network namespace tests. PiperOrigin-RevId: 396718124
2021-08-30[syserr] Fix SIGBUS on syserr.FromErrorZach Koopmans
Fix syzcaller panic SIGBUS on error handling. Done by adding an interface, errors.GuestError, which errors can implement in order to be compared against each other. PiperOrigin-RevId: 393867554
2021-08-11Run packet socket tests on FuchsiaGhanan Gowripalan
+ Do not check for CAP_NET_RAW on Fuchsia Fuchsia does not support capabilities the same way Linux does. Instead emulate the check for CAP_NET_RAW by checking if a packet socket may be created. Bug: https://fxbug.dev/79016, https://fxbug.dev/81592 PiperOrigin-RevId: 390263666
2021-08-09Run raw IP socket syscall tests on FuchsiaGhanan Gowripalan
+ Do not check for CAP_NET_RAW on Fuchsia Fuchsia does not support capabilities the same way Linux does. Instead emulate the check for CAP_NET_RAW by checking if a raw IP sockets may be created. PiperOrigin-RevId: 389663218
2021-08-05Correctly handle interruptions in blocking msgqueue syscalls.Rahat Mahmood
Reported-by: syzbot+63bde04529f701c76168@syzkaller.appspotmail.com Reported-by: syzbot+69866b9a16ec29993e6a@syzkaller.appspotmail.com PiperOrigin-RevId: 389084629
2021-08-05Replace unsafe use of fork() in msgqueue tests.Rahat Mahmood
Msgqueue tests were using fork() to run create a separate thread of execution for passing messages back and forth over a queue. However, the child process after a fork() may only use async-signal-safe functions, which at a minimum exclude gtest asserts. Instead, use threads. PiperOrigin-RevId: 389073744
2021-08-03Merge pull request #6171 from sudo-sturbia:msgqueue/syscalls2gVisor bot
PiperOrigin-RevId: 388497055
2021-08-03Add blocking and general tests for msgsnd(2) and msgrcv(2).Zyad A. Ali
Updates #135
2021-08-03Add non-blocking tests for msgsnd(2) and msgrcv(2).Zyad A. Ali
Updates #135
2021-07-30Merge pull request #6257 from zhlhahaha:2193-1gVisor bot
PiperOrigin-RevId: 387885663
2021-07-28Add Uid/Gid/Groups fields to VFS2 /proc/[pid]/status.Jamie Liu
For comparison: ``` $ docker run --rm -it ubuntu:focal bash -c 'cat /proc/self/status' Name: cat Umask: 0022 State: R (running) Tgid: 1 Ngid: 0 Pid: 1 PPid: 0 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 64 Groups: NStgid: 1 NSpid: 1 NSpgid: 1 NSsid: 1 VmPeak: 2660 kB VmSize: 2660 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 528 kB VmRSS: 528 kB ... $ docker run --runtime=runsc-vfs2 --rm -it ubuntu:focal bash -c 'cat /proc/self/status' Name: cat State: R (running) Tgid: 1 Pid: 1 PPid: 0 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 4 Groups: VmSize: 10708 kB VmRSS: 3124 kB VmData: 316 kB ... ``` Fixes #6374 PiperOrigin-RevId: 387465655
2021-07-27Don't create an extra fd bitmap to allocate a new fd.Andrei Vagin
2021-07-22Move socket_test_util to //test/utilGhanan Gowripalan
...and rename the library to socket_util. PiperOrigin-RevId: 386348306
2021-07-22Merge pull request #6108 from sudo-sturbia:msgqueue/syscallsgVisor bot
PiperOrigin-RevId: 386323389
2021-07-15netstack: support SO_RCVBUFFORCEKevin Krakauer
TCP is fully supported. As with SO_RCVBUF, other transport protocols perform no-ops per DefaultSocketOptionsHandler.OnSetReceiveBufferSize. PiperOrigin-RevId: 385023239
2021-07-14Add verity symlink testsChong Cai
PiperOrigin-RevId: 384823097
2021-07-13Add initial test cases for msgget(2).Zyad A. Ali
Updates #135
2021-07-12Fix async-signal-unsafety in chroot test.Jamie Liu
PiperOrigin-RevId: 384295543
2021-06-24Run `:socket_inet_loopback_isolated_test_linux` tests in a container.Etienne Perot
This creates new user and network namespaces for all tests in `:socket_inet_loopback_isolated_test_linux`. PiperOrigin-RevId: 381374120
2021-06-23Fix PR_SET_PTRACER applicability to non-leader threads.Jamie Liu
Compare if (!thread_group_leader(tracee)) tracee = rcu_dereference(tracee->group_leader); in security/yama/yama_lsm.c:ptracer_exception_found(). PiperOrigin-RevId: 381074242
2021-06-22`socket_inet_loopback`: Split off tests that need isolation in their own file.Etienne Perot
This allows these tests, which can cause flakiness when run in the same network namespace as the other `socket_inet_loopback` tests, to run as separate tests in their own environment. It also means that all of the shards of those tests can be more isolated from each other as well. PiperOrigin-RevId: 380930198
2021-06-04Add bind syscall tests for ICMP and ICMPv6Sam Balana
Updates #5711 Updates #6021 Updates #6022 PiperOrigin-RevId: 377582446
2021-05-26Add verity getdents testsChong Cai
PiperOrigin-RevId: 376001603
2021-05-25Enable verity after mount in verity_mount testChong Cai
PiperOrigin-RevId: 375823719
2021-05-21Make many tests build with NDK.Adam Barth
Not all the tests build yet, but many of them do now. PiperOrigin-RevId: 375209824
2021-05-21Prevent infinite loops from being optimized away.gVisor bot
https://github.com/llvm/llvm-project/commit/6c3129549374c0e81e28fd0a21e96f8087b63a78 adds "mustprogress" to loops, which causes empty, side-effect free loops to be optimized away. These loops are intentionally infinite for purposes of testing, so add asm statements that prevent them from being removed. PiperOrigin-RevId: 375188453
2021-05-20Send SIGPIPE for closed pipes.Ian Lewis
Fixes #5974 Updates #161 PiperOrigin-RevId: 375024740
2021-05-18Prevent infinite loops from being optimized away.gVisor bot
https://github.com/llvm/llvm-project/commit/6c3129549374c0e81e28fd0a21e96f8087b63a78 adds "mustprogress" to loops, which causes empty, side-effect free loops to be optimized away. These loops are intentionally infinite for purposes of testing, so add asm statements that prevent them from being removed. PiperOrigin-RevId: 374546142
2021-05-18Merge pull request #5908 from zhlhahaha:2157gVisor bot
PiperOrigin-RevId: 374517895
2021-05-14Add verity_mmap testsChong Cai
PiperOrigin-RevId: 373854462
2021-05-14Fix cgroup hierarchy registration.Rahat Mahmood
Previously, registration was racy because we were publishing hierarchies in the registry without fully initializing the underlying filesystem. This led to concurrent mount(2)s discovering the partially intialized filesystems and dropping the final refs on them which cause them to be freed prematurely. Reported-by: syzbot+13f54e77bdf59f0171f0@syzkaller.appspotmail.com Reported-by: syzbot+2c7f0a9127ac6a84f17e@syzkaller.appspotmail.com PiperOrigin-RevId: 373824552
2021-05-11fix pty_test error by releasing tty received from testHoward Zhang
The test Truncate set ControllingTTY without releasing it on VFS2. This leads test ReleaseTTYSignals and ReleaseTTY fail when setting ControllingTTY. Skip the test on VFS1 and native, as setting Controlling TTY when open replica only happens on VFS2. Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2021-05-04tcp_socket_test: replace tcp_wmem with SO_SNDBUFKevin Krakauer
PiperOrigin-RevId: 372022596
2021-04-30Fix //test/syscalls:tcp_socket_test_nativeKevin Krakauer
The data written was larger than the write buffer, and nobody was reading the other end. PiperOrigin-RevId: 371436084
2021-04-22Also report mount options through /proc/<pid>/mounts.Rahat Mahmood
PiperOrigin-RevId: 369967629
2021-04-20Clean test tags.Adin Scannell
PiperOrigin-RevId: 369505182
2021-04-05Add initial verity ioctl syscall testsChong Cai
PiperOrigin-RevId: 366907152
2021-04-05Allow user mount for verity fsChong Cai
Allow user mounting a verity fs on an existing mount by specifying mount flags root_hash and lower_path. PiperOrigin-RevId: 366843846
2021-04-02Implement cgroupfs.Rahat Mahmood
A skeleton implementation of cgroupfs. It supports trivial cpu and memory controllers with no support for hierarchies. PiperOrigin-RevId: 366561126
2021-04-01Remove invalid dependency.Adin Scannell
PiperOrigin-RevId: 366344222
2021-04-01Internal change.gVisor bot
PiperOrigin-RevId: 366292533
2021-03-18Translate syserror when validating partial IO errorsFabricio Voznika
syserror allows packages to register translators for errors. These translators should be called prior to checking if the error is valid, otherwise it may not account for possible errors that can be returned from different packages, e.g. safecopy.BusError => syserror.EFAULT. Second attempt, it passes tests now :-) PiperOrigin-RevId: 363714508
2021-03-16setgid directory support in overlayfsKevin Krakauer
PiperOrigin-RevId: 363276495
2021-03-15Deflake proc_test_nativeFabricio Voznika
Terminating tasks from other tests can mess up with the task list of the current test. Tests were changed to look for added/removed tasks, ignoring other tasks that may exist while the test is running. PiperOrigin-RevId: 363084261
2021-03-08Implement /proc/sys/net/ipv4/ip_local_port_rangeKevin Krakauer
Speeds up the socket stress tests by a couple orders of magnitude. PiperOrigin-RevId: 361721050
2021-03-01tcp: endpoint.Write has to send all data that has been read from payloadAndrei Vagin
io.Reader.ReadFull returns the number of bytes copied and an error if fewer bytes were read. PiperOrigin-RevId: 360247614
2021-02-24Add YAMA security module restrictions on ptrace(2).Dean Deng
Restrict ptrace(2) according to the default configurations of the YAMA security module (mode 1), which is a common default among various Linux distributions. The new access checks only permit the tracer to proceed if one of the following conditions is met: a) The tracer is already attached to the tracee. b) The target is a descendant of the tracer. c) The target has explicitly given permission to the tracer through the PR_SET_PTRACER prctl. d) The tracer has CAP_SYS_PTRACE. See security/yama/yama_lsm.c for more details. Note that these checks are added to CanTrace, which is checked for PTRACE_ATTACH as well as some other operations, e.g., checking a process' memory layout through /proc/[pid]/mem. Since this patch adds restrictions to ptrace, it may break compatibility for applications run by non-root users that, for instance, rely on being able to trace processes that are not descended from the tracer (e.g., `gdb -p`). YAMA restrictions can be turned off by setting /proc/sys/kernel/yama/ptrace_scope to 0, or exceptions can be made on a per-process basis with the PR_SET_PTRACER prctl. Reported-by: syzbot+622822d8bca08c99e8c8@syzkaller.appspotmail.com PiperOrigin-RevId: 359237723
2021-02-22unix: sendmmsg and recvmsg have to cap a number of message to UIO_MAXIOVAndrei Vagin
Reported-by: syzbot+f2489ba0b999a45d1ad1@syzkaller.appspotmail.com PiperOrigin-RevId: 358866218
2021-02-11Assign controlling terminal when tty is opened and support NOCTTYKevin Krakauer
PiperOrigin-RevId: 357015186
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