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| author | Nicolas Lacasse <nlacasse@google.com> | 2021-08-04 18:09:35 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-08-04 18:12:37 -0700 |
| commit | 43e3d29b9700a5d84c3d16d265849b011a267c12 (patch) | |
| tree | 5477895eb57aed70d21e2dd207508c78613b6d18 /test/syscalls/linux/prctl.cc | |
| parent | b9780f96be58ba0cff8612eef4e909431421e936 (diff) | |
Implement PR_SET_CHILD_SUBREAPER when the calling task is PID 1.
In this case, the task is already a subreaper, so setting this bit is a noop.
Updates #2323
PiperOrigin-RevId: 388828034
Diffstat (limited to 'test/syscalls/linux/prctl.cc')
| -rw-r--r-- | test/syscalls/linux/prctl.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/syscalls/linux/prctl.cc b/test/syscalls/linux/prctl.cc index 25b0e63d4..286b3d168 100644 --- a/test/syscalls/linux/prctl.cc +++ b/test/syscalls/linux/prctl.cc @@ -214,6 +214,12 @@ TEST(PrctlTest, RootDumpability) { SyscallFailsWithErrno(EINVAL)); } +TEST(PrctlTest, SetGetSubreaper) { + // Setting subreaper on PID 1 works vacuously because PID 1 is always a + // subreaper. + EXPECT_THAT(prctl(PR_SET_CHILD_SUBREAPER, 1), SyscallSucceeds()); +} + } // namespace } // namespace testing |