panic: ptrace status unexpected: got 31, wanted stopped DIAGNOSIS: Error collecting stacks: failed to run ["/syzkaller/managers/main/current/image" "-root" "/syzkaller/managers/main/workdir/gvisor_root" "-watchdog-action=panic" "-network=none" "-debug" "-platform=ptrace" "-file-access=shared" "-network=none" "debug" "-stacks" "ci-gvisor-main-0"]: exit status 128 I0222 21:12:53.704446 33700 x:0] *************************** I0222 21:12:53.704525 33700 x:0] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=none debug -stacks ci-gvisor-main-0] I0222 21:12:53.704543 33700 x:0] Git Revision: 532f4b2fbaf66382a3d9e118b5a7a3ee272c8edc I0222 21:12:53.704550 33700 x:0] PID: 33700 I0222 21:12:53.704557 33700 x:0] UID: 0, GID: 0 I0222 21:12:53.704561 33700 x:0] Configuration: I0222 21:12:53.704564 33700 x:0] RootDir: /syzkaller/managers/main/workdir/gvisor_root I0222 21:12:53.704570 33700 x:0] Platform: ptrace I0222 21:12:53.704578 33700 x:0] FileAccess: shared, overlay: false I0222 21:12:53.704604 33700 x:0] Network: none, logging: false I0222 21:12:53.704614 33700 x:0] Strace: false, max size: 1024, syscalls: [] I0222 21:12:53.704620 33700 x:0] *************************** D0222 21:12:53.704652 33700 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-0" D0222 21:12:53.705715 33700 x:0] Signal container "ci-gvisor-main-0": signal 0 D0222 21:12:53.705761 33700 x:0] Signal sandbox "ci-gvisor-main-0" D0222 21:12:53.705770 33700 x:0] Connecting to sandbox "ci-gvisor-main-0" D0222 21:12:53.706377 33700 x:0] urpc: successfully marshalled 96 bytes. I0222 21:12:54.078937 33700 x:0] Found sandbox "ci-gvisor-main-0", PID: 9929 I0222 21:12:54.078969 33700 x:0] Retrieving sandbox stacks D0222 21:12:54.078979 33700 x:0] Stacks sandbox "ci-gvisor-main-0" D0222 21:12:54.078987 33700 x:0] Connecting to sandbox "ci-gvisor-main-0" D0222 21:12:54.079043 33700 x:0] urpc: successfully marshalled 36 bytes. W0222 21:12:54.178501 33700 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-main-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-main-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer