WARNING: DATA RACE Write at 0x00c0011728b0 by goroutine 509: gvisor.googlesource.com/gvisor/pkg/sentry/fs.Rename() pkg/sentry/fs/dirent.go:1628 +0x61a gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt.func1.1() pkg/sentry/syscalls/linux/sys_file.go:1864 +0x1f9 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt() pkg/sentry/syscalls/linux/sys_file.go:51 +0x211 DIAGNOSIS: I0327 14:08:55.208532 40856 x:0] *************************** I0327 14:08:55.208664 40856 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/current/image -root /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-0] I0327 14:08:55.208796 40856 x:0] Git Revision: cea1dd7d21b976ad5cb145b94be7b1bf879235be I0327 14:08:55.208891 40856 x:0] PID: 40856 I0327 14:08:55.209005 40856 x:0] UID: 0, GID: 0 I0327 14:08:55.209056 40856 x:0] Configuration: I0327 14:08:55.209151 40856 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root I0327 14:08:55.209255 40856 x:0] Platform: ptrace I0327 14:08:55.209309 40856 x:0] FileAccess: exclusive, overlay: true I0327 14:08:55.209374 40856 x:0] Network: host, logging: false I0327 14:08:55.209423 40856 x:0] Strace: false, max size: 1024, syscalls: [] I0327 14:08:55.209508 40856 x:0] *************************** D0327 14:08:55.210295 40856 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-0" D0327 14:08:55.224896 40856 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-0": signal 0 D0327 14:08:55.225033 40856 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0327 14:08:55.225123 40856 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0327 14:08:55.227737 40856 x:0] urpc: successfully marshalled 120 bytes. D0327 14:08:55.235144 40856 x:0] urpc: unmarshal success. I0327 14:08:55.235289 40856 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-0", PID: 31678 I0327 14:08:55.235355 40856 x:0] Retrieving sandbox stacks D0327 14:08:55.235413 40856 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0327 14:08:55.235451 40856 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0327 14:08:55.236279 40856 x:0] urpc: successfully marshalled 36 bytes. D0327 14:08:55.739731 40856 x:0] urpc: unmarshal success. I0327 14:08:55.739846 40856 x:0] *** Stack dump *** goroutine 316098 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x45c801, 0xc000109200, 0xc00139b6e0, 0xc000cfce00) pkg/log/log.go:259 +0xb6 gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x238ca78, 0x238ca78, 0xc00012b610, 0x0, 0x0) runsc/boot/debug.go:26 +0x38 reflect.Value.call(0xc000109200, 0xc0000101a8, 0x13, 0x10fed68, 0x4, 0xc001055eb8, 0x3, 0x3, 0x4a864e, 0xfb4be0, ...) GOROOT/src/reflect/value.go:447 +0x649 reflect.Value.Call(0xc000109200, 0xc0000101a8, 0x13, 0xc001055eb8, 0x3, 0x3, 0x0, 0x238ca78, 0x16) GOROOT/src/reflect/value.go:308 +0xc1 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc0002f0090, 0xc001137680, 0x0, 0x0) pkg/urpc/urpc.go:325 +0x63f gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc0002f0090, 0xc001137680, 0xc0002f0090, 0xc001137680) pkg/urpc/urpc.go:420 +0x43 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc0002f0090, 0xc001137680) pkg/urpc/urpc.go:440 +0x77 created by gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling pkg/urpc/urpc.go:438 +0x6f goroutine 1 [semacquire, 4 minutes]: sync.runtime_Semacquire(0xc00014d1b4) GOROOT/src/runtime/sema.go:56 +0x39 sync.(*WaitGroup).Wait(0xc00014d1b4) GOROOT/src/sync/waitgroup.go:130 +0xb2 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(...) pkg/sentry/kernel/kernel.go:809 gvisor.googlesource.com/gvisor/runsc/boot.(*Loader).WaitExit(0xc00026a8c0, 0x0, 0x0) runsc/boot/loader.go:781 +0x74 gvisor.googlesource.com/gvisor/runsc/cmd.(*Boot).Execute(0xc000272120, 0x12861c0, 0xc00013c010, 0xc000142a80, 0xc0001c30e0, 0x2, 0x2, 0x0) runsc/cmd/boot.go:236 +0x10f5 github.com/google/subcommands.(*Commander).Execute(0xc000148000, 0x12861c0, 0xc00013c010, 0xc0001c30e0, 0x2, 0x2, 0x203000) external/com_github_google_subcommands/subcommands.go:141 +0x522 github.com/google/subcommands.Execute(...) external/com_github_google_subcommands/subcommands.go:371 main.main() runsc/main.go:229 +0x23da