netbird/gvisor
0
0
Fork 0
mirror of https://github.com/netbirdio/gvisor.git synced 2026-05-22 17:12:49 -07:00
Code Issues Packages Projects Releases Wiki Activity

Handle sighandling.KillItself() return error.

Browse Source 
Call dumpAndPanicSyscallError for the rare case where we fail to kill the the
Sentry upon detecting an unexpected stub exit. This will provide enough
information determine if a panic occur due to failed SIGKILL attempt or an
unexpected event.

PiperOrigin-RevId: 737751257
This commit is contained in:
Jimmy Tran
2025-03-17 14:29:52 -07:00
committed by gVisor bot
parent 768c0364e4
commit 8d5f3c982a
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
pkg/sentry/platform/systrap/subprocess.go
+5 -1
View File
@@ -609,7 +609,11 @@ func (t *thread) unexpectedStubExit() {
// these cases, we don't need to panic. There is no reasons to
// think that something wrong in gVisor.
log.Warningf("The ptrace stub process %v has been killed by SIGKILL.", t.tgid)
sighandling.KillItself()
err := sighandling.KillItself()
if err != nil {
t.dumpAndPanic(fmt.Sprintf(
"failed to kill the process %d:%d: %v", t.tgid, t.tid, err))
}
}
t.dumpAndPanic(fmt.Sprintf("wait failed: the process %d:%d exited: %x (err %v)", t.tgid, t.tid, msg, err))
}