gvisor test error: panic: Watchdog goroutine is stuck (2)

Status: closed as invalid on 2025/09/18 19:54
Reported-by: syzbot+b2b85d4967623b60aa47@syzkaller.appspotmail.com
First crash: 380d, last: 380d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor gvisor test error: panic: Watchdog goroutine is stuck -1 1 1086d 1086d 0/26 closed as invalid on 2023/09/28 19:25

Sample crash report:
panic: Watchdog goroutine is stuck
	Stack for running G's are skipped while panicking.

goroutine 10 gp=0xc000603c00 m=33 mp=0xc000623008 [running]:
panic({0x1763d00?, 0xc000aa9800?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x154 fp=0xc00002dc60 sp=0xc00002dbb0 pc=0x47bae4
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0001ca080, 0x1, 0x0, 0xc00002ddb0)
	pkg/sentry/watchdog/watchdog.go:376 +0x3a4 fp=0xc00002dd80 sp=0xc00002dc60 pc=0xfb9c24
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0xc0001ca080)
	pkg/sentry/watchdog/watchdog.go:341 +0x68 fp=0xc00002dde0 sp=0xc00002dd80 pc=0xfb9858
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0001ca080)
	pkg/sentry/watchdog/watchdog.go:276 +0x1d4 fp=0xc00002df10 sp=0xc00002dde0 pc=0xfb8f64
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0001ca080)
	pkg/sentry/watchdog/watchdog.go:254 +0x34 fp=0xc00002dfa0 sp=0xc00002df10 pc=0xfb8cb4
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x38 fp=0xc00002dfd0 sp=0xc00002dfa0 pc=0xfb8728
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0xc00002dfd0 sp=0xc00002dfd0 pc=0x484e24
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x2e8

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/13 19:35 gvisor 3cc1182c9d37 22ec1469 .config console log report ci-gvisor-arm64-ptrace-1-race gvisor test error: panic: Watchdog goroutine is stuck
* Struck through repros no longer work on HEAD.