panic: WARNING: circular locking detected: vfs.inotifyEventMutex -> mm.mappingRWMutex: goroutine 92712 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00030aa40, 0xc0016daac0) bazel-out/k8-fastbuild/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x1e8 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00030b9e0, 0xc00030aa20, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:112 +0x48a gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc00030b9e0, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:144 +0x2ec gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc00217105c) bazel-out/k8-fastbuild/bin/pkg/sentry/mm/mapping_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc002171008, {0x2112f90, 0xc0028f6c88}, {0x9cae2a?, 0xc0016daed8?}, {0xf4?, 0xb6?, 0x41?}, 0x0, 0xc0016daed0) pkg/sentry/mm/io.go:545 +0xf4 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyOut(0xc002171008, {0x2112f90, 0xc0028f6c88}, 0x200000000040, {0xc002398340, 0x10, 0x10}, {0x53?, 0xae?}) pkg/sentry/mm/io.go:130 +0x26a gvisor.dev/gvisor/pkg/usermem.CopyOutVec({0x2112f90, 0xc0028f6c88}, {0x2108718, 0xc002171008}, {0x0?, 0x2dcbdc0?, 0x16a28?, 0xc00030aa00?}, {0xc002398340, 0x10, ...}, ...) pkg/usermem/usermem.go:264 +0x1db gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyOut(...) pkg/usermem/usermem.go:482 gvisor.dev/gvisor/pkg/sentry/vfs.(*Event).CopyTo(0xc002d9f1c0, {0x2112f90, 0xc0028f6c88}, {0xc002398340, 0x10, 0x10}, {{0x2108718, 0xc002171008}, {0x0, 0x1, ...}, ...}) pkg/sentry/vfs/inotify.go:693 +0x590 gvisor.dev/gvisor/pkg/sentry/vfs.(*Inotify).Read(0xc000ff47e0, {0x2112f90, 0xc0028f6c88}, {{0x2108718, 0xc002171008}, {0x0, 0x1, 0x200000000040, 0xe4}, {0x0, ...}}, ...) pkg/sentry/vfs/inotify.go:244 +0x53c gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc000ff47e0, {0x2112f90, 0xc0028f6c88}, {{0x2108718, 0xc002171008}, {0x0, 0x1, 0x200000000040, 0xe4}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:653 +0x14f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.read(0xc0028f6c88, 0xc000ff47e0, {{0x2108718, 0xc002171008}, {0x0, 0x1, 0x200000000040, 0xe4}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:116 +0x59e gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Read(0xc0028f6c88, 0xc0014b9d00?, {{0x3}, {0x200000000040}, {0xe4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:62 +0x2b2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0028f6c88, 0x0, {{0x3}, {0x200000000040}, {0xe4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x94c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0028f6c88, 0x0, {{0x3}, {0x200000000040}, {0xe4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0028f6c88, 0x0, {{0x3}, {0x200000000040}, {0xe4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0028f6c88) pkg/sentry/kernel/task_syscall.go:258 +0x490 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0028f6c88?, 0xc0028f6c88) pkg/sentry/kernel/task_run.go:269 +0x1ec9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0028f6c88, 0x6fb7) pkg/sentry/kernel/task_run.go:97 +0x4ca created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 92671 pkg/sentry/kernel/task_start.go:416 +0x15c known lock chain: mm.mappingRWMutex -> kernel.fsContextMutex -> vfs.inotifyEventMutex ====== mm.mappingRWMutex -> kernel.fsContextMutex ===== goroutine 33815 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*fsContextMutex).Lock(0xc0016afbc8) bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/fs_context_mutex.go:33 +0x3c gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).RootDirectory(0xc0016afbc0) pkg/sentry/kernel/fs_context.go:150 +0x4a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).contextValue(0xc00196c588, {0x1c123e0, 0x20e1978}, 0x1) pkg/sentry/kernel/task_context.go:99 +0x5d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Value(0xc00196c588, {0x1c123e0, 0x20e1978}) pkg/sentry/kernel/task_context.go:61 +0x4a gvisor.dev/gvisor/pkg/sentry/vfs.RootFromContext(...) pkg/sentry/vfs/context.go:88 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc000234200, {0x2112f90, 0xc00196c588}) pkg/sentry/vfs/file_description.go:818 +0x77 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc00087005c?, {0x2112f90, 0xc00196c588}, {0xc00119d608?, 0xc000f44f90?}, 0xc000429048) pkg/sentry/mm/procfs.go:129 +0x2a2 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadMapsDataInto(0xc000870008, {0x2112f90, 0xc00196c588}, 0xc000429048) pkg/sentry/mm/procfs.go:85 +0x185 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*mapsData).Generate(0xc000875188, {0x2112f90, 0xc00196c588}, 0xc0009dc100) pkg/sentry/fsimpl/proc/task_files.go:651 +0xa9 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc0009dc0e0, {0x2112f90, 0xc00196c588}, {{0x2108718, 0xc000870008}, {0x0, 0x1, 0x2000000034c0, 0x7ffff000}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:310 +0x18b gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).Read(0xc0009dc0e0, {0x2112f90, 0xc00196c588}, {{0x2108718, 0xc000870008}, {0x0, 0x1, 0x2000000034c0, 0x7ffff000}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:337 +0x117 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).Read(0xc0009dc0e0, {0x2112f90, 0xc00196c588}, {{0x2108718, 0xc000870008}, {0x0, 0x1, 0x2000000034c0, 0x7ffff000}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:128 +0x91 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc0009dc140, {0x2112f90, 0xc00196c588}, {{0x2108718, 0xc000870008}, {0x0, 0x1, 0x2000000034c0, 0x7ffff000}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:653 +0x14f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.read(0xc00196c588, 0xc0009dc140, {{0x2108718, 0xc000870008}, {0x0, 0x1, 0x2000000034c0, 0x7ffff000}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:93 +0x91 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Read(0xc00196c588, 0xc001be54e0?, {{0x3}, {0x2000000034c0}, {0xfffffcfb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:62 +0x2b2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00196c588, 0x0, {{0x3}, {0x2000000034c0}, {0xfffffcfb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x94c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00196c588, 0x0, {{0x3}, {0x2000000034c0}, {0xfffffcfb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00196c588, 0x0, {{0x3}, {0x2000000034c0}, {0xfffffcfb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00196c588) pkg/sentry/kernel/task_syscall.go:258 +0x490 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00196c588?, 0xc00196c588) pkg/sentry/kernel/task_run.go:269 +0x1ec9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00196c588, 0x289b) pkg/sentry/kernel/task_run.go:97 +0x4ca created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 33772 pkg/sentry/kernel/task_start.go:416 +0x15c ====== kernel.fsContextMutex -> vfs.inotifyEventMutex ===== goroutine 88238 [running]: gvisor.dev/gvisor/pkg/sentry/vfs.(*inotifyEventMutex).Lock(0xc0005e4338) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/inotify_event_mutex.go:33 +0x3c gvisor.dev/gvisor/pkg/sentry/vfs.(*Inotify).queueEvent(0xc0005e42a0, 0xc0011d6400) pkg/sentry/vfs/inotify.go:276 +0x46 gvisor.dev/gvisor/pkg/sentry/vfs.(*Watches).HandleDeletion(0xc0053dffa0, {0x2112f90, 0xc000c23908}) pkg/sentry/vfs/inotify.go:537 +0x346 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*dentry).DecRef.(*inode).decRef.func1() pkg/sentry/fsimpl/tmpfs/tmpfs.go:605 +0x53 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inodeRefs).DecRef(0xc0053dfc60, 0xc000cb7b30) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/inode_refs.go:133 +0x6d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inode).decRef(...) pkg/sentry/fsimpl/tmpfs/tmpfs.go:604 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*dentry).DecRef(0xc0053dfc08, {0x2112f90, 0xc000c23908}) pkg/sentry/fsimpl/tmpfs/tmpfs.go:464 +0xb2 gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(...) pkg/sentry/vfs/dentry.go:156 gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc000662790?, 0xc0053dfc08?}, {0x2112f90, 0xc000c23908}) pkg/sentry/vfs/vfs.go:1114 +0x6b gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).destroy(0xc001393280, {0x2112f90, 0xc000c23908}) pkg/sentry/kernel/fs_context.go:73 +0x153 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute.(*FSContext).DecRef.func2() pkg/sentry/kernel/fs_context.go:87 +0x47 gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContextRefs).DecRef(0xc001393280, 0xc000cb7da0) bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/fs_context_refs.go:133 +0x6d gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...) pkg/sentry/kernel/fs_context.go:86 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0xc000c23908?, 0xc000c23908) pkg/sentry/kernel/task_exit.go:301 +0x82b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c23908, 0x6a4d) pkg/sentry/kernel/task_run.go:97 +0x4ca created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 88278 pkg/sentry/kernel/task_start.go:416 +0x15c