panic: munmap(7fead6e00000, 200000)) failed: function not implemented
DIAGNOSIS:


Error collecting stacks: failed to run ["/syzkaller/managers/ptrace-direct-overlay-host/current/image" "-root" "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "-watchdog-action=panic" "-network=none" "-debug" "-platform=ptrace" "-file-access=shared" "-network=host" "debug" "-stacks" "ci-gvisor-ptrace-direct-overlay-host-1"]: exit status 128
I0113 15:50:57.344737   31676 x:0] ***************************
I0113 15:50:57.344797   31676 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 -platform=ptrace -file-access=shared -network=host debug -stacks ci-gvisor-ptrace-direct-overlay-host-1]
I0113 15:50:57.344818   31676 x:0] Git Revision: 1e1dae50ca9a23b140c491b64ffc86d7a0c6b8eb
I0113 15:50:57.344823   31676 x:0] PID: 31676
I0113 15:50:57.344830   31676 x:0] UID: 0, GID: 0
I0113 15:50:57.344834   31676 x:0] Configuration:
I0113 15:50:57.344837   31676 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0113 15:50:57.344840   31676 x:0] 		Platform: ptrace
I0113 15:50:57.344849   31676 x:0] 		FileAccess: shared, overlay: false
I0113 15:50:57.344855   31676 x:0] 		Network: host, logging: false
I0113 15:50:57.344861   31676 x:0] 		Strace: false, max size: 1024, syscalls: []
I0113 15:50:57.344872   31676 x:0] ***************************
D0113 15:50:57.344898   31676 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-1"
D0113 15:50:57.345428   31676 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-1": signal 0
D0113 15:50:57.345457   31676 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0113 15:50:57.345463   31676 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0113 15:50:57.345608   31676 x:0] urpc: successfully marshalled 118 bytes.
I0113 15:50:58.218073   31676 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-1", PID: 41562
I0113 15:50:58.218100   31676 x:0] Retrieving sandbox stacks
D0113 15:50:58.218104   31676 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0113 15:50:58.218109   31676 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0113 15:50:58.218163   31676 x:0] urpc: successfully marshalled 36 bytes.
W0113 15:50:58.319242   31676 x:0] FATAL ERROR: error retrieving stacks: err getting sandbox "ci-gvisor-ptrace-direct-overlay-host-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
error retrieving stacks: err getting sandbox "ci-gvisor-ptrace-direct-overlay-host-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer