panic: munmap(0, 7fffffff0000)) failed: function not implemented
DIAGNOSIS:
I0103 06:57:31.149468 27486 x:0] ***************************
I0103 06:57:31.149482 27486 x:0] Args: [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=host debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-2]
I0103 06:57:31.149512 27486 x:0] Version release-20191213.0-56-g1f384ac42b9e
I0103 06:57:31.149518 27486 x:0] PID: 27486
I0103 06:57:31.149526 27486 x:0] UID: 0, GID: 0
I0103 06:57:31.149537 27486 x:0] Configuration:
I0103 06:57:31.149543 27486 x:0] RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0103 06:57:31.149548 27486 x:0] Platform: ptrace
I0103 06:57:31.149553 27486 x:0] FileAccess: shared, overlay: false
I0103 06:57:31.149564 27486 x:0] Network: host, logging: false
I0103 06:57:31.149573 27486 x:0] Strace: false, max size: 1024, syscalls: []
I0103 06:57:31.149585 27486 x:0] ***************************
D0103 06:57:31.149633 27486 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-2"
D0103 06:57:31.152629 27486 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-2": signal 0
D0103 06:57:31.152675 27486 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0103 06:57:31.152684 27486 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0103 06:57:31.152960 27486 x:0] urpc: successfully marshalled 118 bytes.
I0103 06:57:31.696808 27486 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-2", PID: 44454
I0103 06:57:31.696851 27486 x:0] Retrieving sandbox stacks
D0103 06:57:31.696856 27486 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0103 06:57:31.696862 27486 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0103 06:57:31.696942 27486 x:0] urpc: successfully marshalled 36 bytes.
W0103 06:57:31.736743 27486 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0103 06:57:31.736830 27486 x:0] Failure to execute command, err: 1