WARNING: DATA RACE Write at 0x00c000240a60 by goroutine 281: gvisor.googlesource.com/gvisor/pkg/sentry/fs.Rename() pkg/sentry/fs/dirent.go:1628 +0x61f gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt.func1.1() pkg/sentry/syscalls/linux/sys_file.go:1864 +0x1f8 DIAGNOSIS: I0217 19:08:15.125341 1915 x:0] *************************** I0217 19:08:15.125579 1915 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-1] I0217 19:08:15.125767 1915 x:0] Git Revision: c611dbc5a7399922588e3fd99b22bda19f684afe I0217 19:08:15.126123 1915 x:0] PID: 1915 I0217 19:08:15.126226 1915 x:0] UID: 0, GID: 0 I0217 19:08:15.126330 1915 x:0] Configuration: I0217 19:08:15.126458 1915 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root I0217 19:08:15.126548 1915 x:0] Platform: ptrace I0217 19:08:15.126658 1915 x:0] FileAccess: exclusive, overlay: true I0217 19:08:15.126795 1915 x:0] Network: host, logging: false I0217 19:08:15.126939 1915 x:0] Strace: false, max size: 1024, syscalls: [] I0217 19:08:15.127031 1915 x:0] *************************** D0217 19:08:15.127135 1915 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-1" D0217 19:08:15.130858 1915 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-1": signal 0 D0217 19:08:15.131019 1915 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0217 19:08:15.131145 1915 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0217 19:08:15.132901 1915 x:0] urpc: successfully marshalled 120 bytes. D0217 19:08:15.133123 1915 x:0] urpc: unmarshal success. I0217 19:08:15.133360 1915 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-1", PID: 52010 I0217 19:08:15.133454 1915 x:0] Retrieving sandbox stacks D0217 19:08:15.133516 1915 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0217 19:08:15.133594 1915 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0217 19:08:15.135349 1915 x:0] urpc: successfully marshalled 36 bytes. D0217 19:08:15.256613 1915 x:0] urpc: unmarshal success. I0217 19:08:15.256741 1915 x:0] *** Stack dump *** goroutine 432 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x459e01, 0x28, 0x45d3f2, 0x4e4b3d) pkg/log/log.go:259 +0xd1 gvisor.googlesource.com/gvisor/runsc/boot.(*debug).Stacks(0x22fb298, 0x22fb298, 0xc000574370, 0x0, 0x0) runsc/boot/debug.go:26 +0x38 reflect.Value.call(0xc0002b6d20, 0xc0002a01d0, 0x13, 0x10e46ca, 0x4, 0xc00074be68, 0x3, 0x3, 0x4f0a5e, 0xf9ea20, ...) GOROOT/src/reflect/value.go:447 +0x635 reflect.Value.Call(0xc0002b6d20, 0xc0002a01d0, 0x13, 0xc00074be68, 0x3, 0x3, 0x0, 0x22fb298, 0x16) GOROOT/src/reflect/value.go:308 +0xc1 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleOne(0xc0002746c0, 0xc00067e870, 0x0, 0x0) pkg/urpc/urpc.go:325 +0x681 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).handleRegistered(0xc0002746c0, 0xc00067e870, 0xc0002746c0, 0xc00067e870) pkg/urpc/urpc.go:420 +0x43 gvisor.googlesource.com/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc0002746c0, 0xc00067e870) 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, 1 minutes]: sync.runtime_Semacquire(0xc0002b4214) GOROOT/src/runtime/sema.go:56 +0x39 sync.(*WaitGroup).Wait(0xc0002b4214) GOROOT/src/sync/waitgroup.go:130 +0xb5 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Kernel).WaitExited(0xc0002a2000) pkg/sentry/kernel/kernel.go:813 +0x57 gvisor.googlesource.com/gvisor/runsc/boot.(*Loader).WaitExit(0xc0002a2140, 0x0, 0x0) runsc/boot/loader.go:756 +0x50 gvisor.googlesource.com/gvisor/runsc/cmd.(*Boot).Execute(0xc000240090, 0x122b4c0, 0xc0000ce008, 0xc000106ba0, 0xc0001b7060, 0x2, 0x2, 0x0) runsc/cmd/boot.go:236 +0x121d github.com/google/subcommands.(*Commander).Execute(0xc000124000, 0x122b4c0, 0xc0000ce008, 0xc0001b7060, 0x2, 0x2, 0x1) external/com_github_google_subcommands/subcommands.go:141 +0x525 github.com/google/subcommands.Execute(0x122b4c0, 0xc0000ce008, 0xc0001b7060, 0x2, 0x2, 0xc0000f0de0) external/com_github_google_subcommands/subcommands.go:371 +0x81 main.main() runsc/main.go:221 +0x1f02