panic: WARNING: circular locking detected: vfs.inotifyEventMutex -> mm.mappingRWMutex: goroutine 774113 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x0) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000217780, 0xc000217d00, {0xc00061d670, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc0002166a0, 0xc000d42718) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000216680, 0xc000d42830) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000217780, 0xc000216680, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000217780, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc004a02064) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/mapping_mutex.go:46 +0x3f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc004a02000, {0x1b85c70, 0xc00707ca80}, {0x0, 0x0}, {0x4, 0x0, 0x0}, 0x0, 0xc000d42c38) pkg/sentry/mm/io.go:530 +0xf8 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyOut(0xc004a02000, {0x1b85c70, 0xc00707ca80}, 0x20000000, {0xc0073a55c0, 0x47141c, 0x10}, {0x1, 0x0}) pkg/sentry/mm/io.go:120 +0x26c gvisor.dev/gvisor/pkg/usermem.CopyOutVec({0x1b85c70, 0xc00707ca80}, {0x1b78d48, 0xc004a02000}, {0x0, 0x470e65, 0x92b1a5, 0x25f1040}, {0xc0073a55c0, 0x10, ...}, ...) pkg/usermem/usermem.go:263 +0x1ec gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyOut(...) pkg/usermem/usermem.go:481 gvisor.dev/gvisor/pkg/sentry/vfs.(*Event).CopyTo(0xc0037f7c80, {0x1b85c70, 0xc00707ca80}, {0xc0073a55c0, 0x470e65, 0xb4532f}, {{0x1b78d48, 0xc004a02000}, {0x0, 0x1, ...}, ...}) pkg/sentry/vfs/inotify.go:698 +0x571 gvisor.dev/gvisor/pkg/sentry/vfs.(*Inotify).Read(0xc0001c9260, {0x1b85c70, 0xc00707ca80}, {{0x1b78d48, 0xc004a02000}, {0x0, 0x1, 0x20000000, 0xcb}, {0x0, ...}}, ...) pkg/sentry/vfs/inotify.go:244 +0x509 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc0001c9260, {0x1b85c70, 0xc00707ca80}, {{0x1b78d48, 0xc004a02000}, {0x0, 0x1, 0x20000000, 0xcb}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:634 +0x15e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0x470e65, 0xc0001c9260, {{0x1b78d48, 0xc004a02000}, {0x0, 0x1, 0x20000000, 0xcb}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc00707ca80, {{0x4}, {0x20000000}, {0xcb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:63 +0x2c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00707ca80, 0x0, {{0x4}, {0x20000000}, {0xcb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00707ca80, 0x46f779, {{0x4}, {0x20000000}, {0xcb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002d1ee10, 0x46fc2c, {{0x4}, {0x20000000}, {0xcb}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00707ca80) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00707ca80, 0xc00707ca80) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00707ca80, 0x9e49) pkg/sentry/kernel/task_run.go:94 +0x35b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x1a9