panic: WARNING: circular locking detected: tmpfs.filesystemRWMutex -> vfs.inotifyEventMutex: goroutine 1319354 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x60) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000196680, 0xc000197780, {0xc006e88830, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000197d18, 0xc001a0abc8) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsapmShard).doRange(0xc000197d00, 0xc001a0ad20) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:403 +0x256 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).Range(0xc000197d00, 0xc000196680) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:382 +0x58 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000196680, 0xc000197d00, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000196680, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/vfs.(*inotifyEventMutex).Lock(0xc000e185d8) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/vfs/inotify_event_mutex.go:18 +0x3f gvisor.dev/gvisor/pkg/sentry/vfs.(*Inotify).queueEvent(0xc000e18540, 0xc006462200) pkg/sentry/vfs/inotify.go:276 +0x47 gvisor.dev/gvisor/pkg/sentry/vfs.(*Watch).Notify(0xc00174d220, {0x0, 0x0}, 0x10, 0x0) pkg/sentry/vfs/inotify.go:609 +0x28d gvisor.dev/gvisor/pkg/sentry/vfs.(*Watches).Notify(0xc001c313c8, {0x1be6650, 0xc0050a4000}, {0x0, 0x0}, 0x159bf00, 0x0, 0x0, 0x0) pkg/sentry/vfs/inotify.go:481 +0x192 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*dentry).InotifyWithParent(0xc003504eb0, {0x1be6650, 0xc0050a4000}, 0x10, 0x0, 0x65) pkg/sentry/fsimpl/tmpfs/tmpfs.go:405 +0x1d4 gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).InotifyWithParent(...) pkg/sentry/vfs/dentry.go:173 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:167 +0xd8 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc004559780, 0xc001a0b2c8) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc004559780, {0x1be6650, 0xc0050a4000}) pkg/sentry/vfs/file_description.go:161 +0x6f gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).dropVFS2(0xc0067a3a40, {0x1be6650, 0xc0050a4000}, 0xc004559780) pkg/sentry/kernel/fd_table.go:168 +0x1eb gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAtVFS2(0x1be97c0, {0x1be6650, 0xc0050a4000}, 0x1a0b401, 0xffffffff, {0x50}) pkg/sentry/kernel/fd_table.go:476 +0x91 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAtVFS2(...) pkg/sentry/kernel/task.go:821 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.dup3(0xc0050a4000, 0x470e65, 0x6, 0x0) pkg/sentry/syscalls/linux/vfs2/fd.go:162 +0x18f gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Dup2(0xc0050a4000, {{0x3}, {0x6}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/fd.go:135 +0xf2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0050a4000, 0x21, {{0x3}, {0x6}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0050a4000, 0x46f779, {{0x3}, {0x6}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0032bc4b0, 0x46fc2c, {{0x3}, {0x6}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0050a4000) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0050a4000, 0xc0050a4000) pkg/sentry/kernel/task_run.go:247 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0050a4000) pkg/sentry/kernel/task_run.go:90 +0x35b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:364 +0x191