panic: WARNING: circular locking detected: mm.mappingRWMutex -> tmpfs.filesystemRWMutex: goroutine 421785 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x40) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000237d00, 0xc000237d80, {0xc0023c6680, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc0002377a0, 0xc008232660) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000237780, 0xc005d2e778) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000237d00, 0xc000237780, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000237d00, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0001ca070) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:46 +0x3f gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).PrependPath(0xc0001ca000, {0x6400000000, 0xc000000073}, {0xc000232300, 0xc0002ea000}, {0xc00037a900, 0xc0001fc780}, 0xc006bcb8eb) pkg/sentry/fsimpl/tmpfs/filesystem.go:896 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).PathnameWithDeleted(0x1849340, {0x1b893d0, 0xc0057b4000}, {0xc000232300, 0xc0002ea000}, {0xc00037a900, 0xc0001fc780}) pkg/sentry/vfs/pathname.go:57 +0x2e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc0004f4480, {0x1b893d0, 0xc0057b4000}) pkg/sentry/vfs/file_description.go:791 +0x125 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc00557d000, {0x1b893d0, 0xc0057b4000}, {0xc00557d000, 0xd07a7e}, 0x470e65) pkg/sentry/mm/procfs.go:165 +0x488 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadMapsDataInto(0xc006d42000, {0x1b893d0, 0xc0057b4000}, 0x470e37) pkg/sentry/mm/procfs.go:68 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*mapsData).Generate(0xc001e98000, {0x1b893d0, 0xc0057b4000}, 0x7fcb0fe00008) pkg/sentry/fsimpl/proc/task_files.go:545 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc0015241c0, {0x1b893d0, 0xc0057b4000}, {{0x1b7c448, 0xc006d42000}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:301 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).PRead(0xc0015241c0, {0x1b893d0, 0xc0057b4000}, {{0x1b7c448, 0xc006d42000}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:320 +0xd0 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).PRead(0xc0015241c0, {0x1b893d0, 0xc0057b4000}, {{0x1b7c448, 0xc006d42000}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:120 +0xaf gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PRead(0xc001524220, {0x1b893d0, 0xc0057b4000}, {{0x1b7c448, 0xc006d42000}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:619 +0x18a gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.pread(0x470e37, 0xc001524220, {{0x1b7c448, 0xc006d42000}, {0x0, 0x1, 0x0, 0x0}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:251 +0xad gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pread64(0xc0057b4000, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:168 +0x393 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0057b4000, 0x11, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xa78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0057b4000, 0x46f779, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000ad3950, 0x46fc2c, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0057b4000) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0057b4000, 0xc0057b4000) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0057b4000, 0x4d3c) 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