SIGSEGV: segmentation violation
PC=0xa047e0 m=14 sigcode=1

goroutine 387 [syscall, locked to thread]:
DIAGNOSIS:
I0422 00:15:28.550221   19579 x:0] ***************************
I0422 00:15:28.550288   19579 x:0] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=kvm -file-access=exclusive -overlay -network=sandbox debug -stacks ci-gvisor-kvm-proxy-overlay-sandbox-1]
I0422 00:15:28.550303   19579 x:0] Version release-20190304.1-129-g358eb52a76eb
I0422 00:15:28.550308   19579 x:0] PID: 19579
I0422 00:15:28.550315   19579 x:0] UID: 0, GID: 0
I0422 00:15:28.550319   19579 x:0] Configuration:
I0422 00:15:28.550331   19579 x:0] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root
I0422 00:15:28.550334   19579 x:0] 		Platform: kvm
I0422 00:15:28.550349   19579 x:0] 		FileAccess: exclusive, overlay: true
I0422 00:15:28.550355   19579 x:0] 		Network: sandbox, logging: false
I0422 00:15:28.550374   19579 x:0] 		Strace: false, max size: 1024, syscalls: []
I0422 00:15:28.550380   19579 x:0] ***************************
D0422 00:15:28.550405   19579 x:0] Load container "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0422 00:15:28.552358   19579 x:0] Signal container "ci-gvisor-kvm-proxy-overlay-sandbox-1": signal 0
D0422 00:15:28.552388   19579 x:0] Signal sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0422 00:15:28.552396   19579 x:0] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0422 00:15:28.552566   19579 x:0] urpc: successfully marshalled 117 bytes.
I0422 00:15:28.779801   19579 x:0] Found sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1", PID: 16682
I0422 00:15:28.779834   19579 x:0] Retrieving sandbox stacks
D0422 00:15:28.779841   19579 x:0] Stacks sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0422 00:15:28.779846   19579 x:0] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0422 00:15:28.779912   19579 x:0] urpc: successfully marshalled 36 bytes.
W0422 00:15:28.790010   19579 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer