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 I0223 18:41:40.627723 5859 x:0] *************************** I0223 18:41:40.627782 5859 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] I0223 18:41:40.627795 5859 x:0] Git Revision: b75aa515044367094e762985a4b1a1f0580e3ad6 I0223 18:41:40.627800 5859 x:0] PID: 5859 I0223 18:41:40.627816 5859 x:0] UID: 0, GID: 0 I0223 18:41:40.627822 5859 x:0] Configuration: I0223 18:41:40.627825 5859 x:0] RootDir: /syzkaller/managers/main/workdir/gvisor_root I0223 18:41:40.627828 5859 x:0] Platform: ptrace I0223 18:41:40.627834 5859 x:0] FileAccess: shared, overlay: false I0223 18:41:40.627839 5859 x:0] Network: none, logging: false I0223 18:41:40.627844 5859 x:0] Strace: false, max size: 1024, syscalls: [] I0223 18:41:40.627881 5859 x:0] *************************** D0223 18:41:40.627901 5859 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-0" D0223 18:41:40.628474 5859 x:0] Signal container "ci-gvisor-main-0": signal 0 D0223 18:41:40.628491 5859 x:0] Signal sandbox "ci-gvisor-main-0" D0223 18:41:40.628495 5859 x:0] Connecting to sandbox "ci-gvisor-main-0" D0223 18:41:40.642989 5859 x:0] urpc: successfully marshalled 96 bytes. I0223 18:41:40.951833 5859 x:0] Found sandbox "ci-gvisor-main-0", PID: 52227 I0223 18:41:40.951871 5859 x:0] Retrieving sandbox stacks D0223 18:41:40.951875 5859 x:0] Stacks sandbox "ci-gvisor-main-0" D0223 18:41:40.951880 5859 x:0] Connecting to sandbox "ci-gvisor-main-0" D0223 18:41:40.951992 5859 x:0] urpc: successfully marshalled 36 bytes. W0223 18:41:41.056010 5859 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