WARNING: DATA RACE Write at 0x00c0846e9090 by goroutine 523: 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 DIAGNOSIS: I0328 18:59:24.807583 14460 x:0] *************************** I0328 18:59:24.807740 14460 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] I0328 18:59:24.807826 14460 x:0] Git Revision: cea1dd7d21b976ad5cb145b94be7b1bf879235be I0328 18:59:24.807868 14460 x:0] PID: 14460 I0328 18:59:24.807899 14460 x:0] UID: 0, GID: 0 I0328 18:59:24.807943 14460 x:0] Configuration: I0328 18:59:24.807963 14460 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root I0328 18:59:24.807979 14460 x:0] Platform: ptrace I0328 18:59:24.808016 14460 x:0] FileAccess: exclusive, overlay: true I0328 18:59:24.808039 14460 x:0] Network: host, logging: false I0328 18:59:24.808080 14460 x:0] Strace: false, max size: 1024, syscalls: [] I0328 18:59:24.808113 14460 x:0] *************************** D0328 18:59:24.808215 14460 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-0" D0328 18:59:24.814846 14460 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-0": signal 0 D0328 18:59:24.814951 14460 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0328 18:59:24.814982 14460 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0328 18:59:24.815382 14460 x:0] urpc: successfully marshalled 120 bytes. D0328 18:59:24.817594 14460 x:0] urpc: unmarshal success. I0328 18:59:24.817698 14460 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-0", PID: 14878 I0328 18:59:24.817742 14460 x:0] Retrieving sandbox stacks D0328 18:59:24.817758 14460 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0328 18:59:24.817810 14460 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0" D0328 18:59:24.817944 14460 x:0] urpc: successfully marshalled 36 bytes. D0328 18:59:25.079389 14460 x:0] urpc: unmarshal success. I0328 18:59:25.079846 14460 x:0] *** Stack dump *** goroutine 1516116 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x45c801, 0xc0002ee9c0, 0xc0849f1740, 0xc000e14000) pkg/log/log.go:259 +0xb6 gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x238ca78, 0x238ca78, 0xc000b26030, 0x0, 0x0) runsc/boot/debug.go:26 +0x38 reflect.Value.call(0xc0002ee9c0, 0xc000140ad0, 0x13, 0x10fed68, 0x4, 0xc0845f5eb8, 0x3, 0x3, 0x4a864e, 0xfb4be0, ...) GOROOT/src/reflect/value.go:447 +0x649 reflect.Value.Call(0xc0002ee9c0, 0xc000140ad0, 0x13, 0xc0845f5eb8, 0x3, 0x3, 0x0, 0x238ca78, 0x16) GOROOT/src/reflect/value.go:308 +0xc1 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc000295890, 0xc084981710, 0x0, 0x0) pkg/urpc/urpc.go:325 +0x63f gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc000295890, 0xc084981710, 0xc000295890, 0xc084981710) pkg/urpc/urpc.go:420 +0x43 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc000295890, 0xc084981710) 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, 19 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(0xc0001b8240, 0x12861c0, 0xc00013c010, 0xc000142ba0, 0xc0001c50a0, 0x2, 0x2, 0x0) runsc/cmd/boot.go:236 +0x10f5 github.com/google/subcommands.(*Commander).Execute(0xc000148000, 0x12861c0, 0xc00013c010, 0xc0001c50a0, 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