panic: Stack for running G's are skipped while panicking. Sentry detected 2 stuck task(s): Task tid: 32234 (0x7dea), entered RunSys state 3m0.81s ago. Task tid: 32255 (0x7dff), entered RunSys state 3m0.81s ago. Search for '(*Task).run(0x..., 0x)' in the stack dump to find the offending goroutine goroutine 13 [running]: DIAGNOSIS: I0228 16:07:19.653874 65507 main.go:296] *************************** I0228 16:07:19.653945 65507 main.go:297] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=none debug -stacks --ps ci-gvisor-main-2] I0228 16:07:19.653998 65507 main.go:298] Version release-20200219.0-63-gc96bb4d2ebc6 I0228 16:07:19.654025 65507 main.go:299] PID: 65507 I0228 16:07:19.654054 65507 main.go:300] UID: 0, GID: 0 I0228 16:07:19.654079 65507 main.go:301] Configuration: I0228 16:07:19.654110 65507 main.go:302] RootDir: /syzkaller/managers/main/workdir/gvisor_root I0228 16:07:19.654145 65507 main.go:303] Platform: ptrace I0228 16:07:19.654171 65507 main.go:304] FileAccess: shared, overlay: false I0228 16:07:19.654210 65507 main.go:305] Network: none, logging: false I0228 16:07:19.654238 65507 main.go:306] Strace: false, max size: 1024, syscalls: [] I0228 16:07:19.654263 65507 main.go:307] *************************** D0228 16:07:19.655608 65507 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-2" D0228 16:07:19.662641 65507 container.go:592] Signal container "ci-gvisor-main-2": signal 0 D0228 16:07:19.662698 65507 sandbox.go:788] Signal sandbox "ci-gvisor-main-2" D0228 16:07:19.662723 65507 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-2" D0228 16:07:19.662890 65507 urpc.go:534] urpc: successfully marshalled 96 bytes. I0228 16:07:25.428797 65507 debug.go:122] Found sandbox "ci-gvisor-main-2", PID: 10377 I0228 16:07:25.428857 65507 debug.go:131] Retrieving sandbox stacks D0228 16:07:25.429522 65507 sandbox.go:906] Stacks sandbox "ci-gvisor-main-2" D0228 16:07:25.429546 65507 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-2" D0228 16:07:25.429635 65507 urpc.go:534] urpc: successfully marshalled 36 bytes. W0228 16:07:25.528957 65507 error.go:48] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-main-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-main-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer W0228 16:07:25.529137 65507 main.go:329] Failure to execute command, err: 1