SIGSEGV: segmentation violation
PC=0x9ade60 m=11 sigcode=128

DIAGNOSIS:


Error collecting stacks: failed to run ["/syzkaller/managers/kvm-direct-sandbox/current/image" "-root" "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "-watchdog-action=panic" "-network=none" "-debug" "-platform=kvm" "-file-access=exclusive" "-network=sandbox" "debug" "-stacks" "ci-gvisor-kvm-direct-sandbox-0"]: exit status 128
I0221 15:28:56.873465   45362 x:0] ***************************
I0221 15:28:56.873560   45362 x:0] Args: [/syzkaller/managers/kvm-direct-sandbox/current/image -root /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=kvm -file-access=exclusive -network=sandbox debug -stacks ci-gvisor-kvm-direct-sandbox-0]
I0221 15:28:56.873608   45362 x:0] Git Revision: b2a5ad047a26dbe06c16dfa5a4e150836b79fd7c
I0221 15:28:56.873614   45362 x:0] PID: 45362
I0221 15:28:56.873621   45362 x:0] UID: 0, GID: 0
I0221 15:28:56.873624   45362 x:0] Configuration:
I0221 15:28:56.873627   45362 x:0] 		RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root
I0221 15:28:56.873631   45362 x:0] 		Platform: kvm
I0221 15:28:56.873641   45362 x:0] 		FileAccess: exclusive, overlay: false
I0221 15:28:56.873648   45362 x:0] 		Network: sandbox, logging: false
I0221 15:28:56.873659   45362 x:0] 		Strace: false, max size: 1024, syscalls: []
I0221 15:28:56.873669   45362 x:0] ***************************
D0221 15:28:56.873691   45362 x:0] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-0"
D0221 15:28:56.874462   45362 x:0] Signal container "ci-gvisor-kvm-direct-sandbox-0": signal 0
D0221 15:28:56.874487   45362 x:0] Signal sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0221 15:28:56.874502   45362 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0221 15:28:56.874676   45362 x:0] urpc: successfully marshalled 110 bytes.
I0221 15:28:57.014729   45362 x:0] Found sandbox "ci-gvisor-kvm-direct-sandbox-0", PID: 11963
I0221 15:28:57.014757   45362 x:0] Retrieving sandbox stacks
D0221 15:28:57.014763   45362 x:0] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0221 15:28:57.014769   45362 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0221 15:28:57.014855   45362 x:0] urpc: successfully marshalled 36 bytes.
W0221 15:28:57.031697   45362 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-sandbox-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-sandbox-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
goroutine 322 [syscall, locked to thread]:
gvisor.googlesource.com/gvisor/pkg/sentry/platform/kvm.(*vCPU).SwitchToUser(0xc000200000, 0xc000668000, 0xc000798c00, 0xc00043e360, 0x100060000, 0xc00085a2c8, 0x1, 0x1, 0x48a41d)
	pkg/sentry/platform/kvm/machine_amd64.go:235 +0xbe fp=0xc080cfbda8 sp=0xc080cfbd38 pc=0x9de14e
gvisor.googlesource.com/gvisor/pkg/sentry/platform/kvm.(*context).Switch(0xc00085a2c0, 0xd69120, 0xc0009c4900, 0xd77000, 0xc000668000, 0x7f5fffffffff, 0xc00085a2c8, 0x0, 0x0, 0x0)
	pkg/sentry/platform/kvm/context.go:71 +0x1fd fp=0xc080cfbe68 sp=0xc080cfbda8 pc=0x9d370d
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000a74a80, 0xd5c7a0, 0x0)
	pkg/sentry/kernel/task_run.go:205 +0x348 fp=0xc080cfbf88 sp=0xc080cfbe68 pc=0x7847c8
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a74a80, 0x24)
	pkg/sentry/kernel/task_run.go:91 +0x149 fp=0xc080cfbfd0 sp=0xc080cfbf88 pc=0x784109
runtime.goexit()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/asm_amd64.s:1333 +0x1 fp=0xc080cfbfd8 sp=0xc080cfbfd0 pc=0x457fa1
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:279 +0xfe