panic: WARNING: circular locking detected: mm.mappingRWMutex -> tmpfs.filesystemRWMutex: goroutine 801647 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x0) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023fd00, 0xc00023fd80, {0xc0043adc60, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc00023f7a0, 0xc0016a8538) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00023f780, 0xc0016a8650) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023fd00, 0xc00023f780, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc00023fd00, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0002f8370) 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(0xc0002f8300, {0x6400000000, 0x73}, {0xc00023a2a0, 0xc0003c6400}, {0xc000380d80, 0xc0009807d0}, 0xc006f5e61b) pkg/sentry/fsimpl/tmpfs/filesystem.go:896 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).PathnameWithDeleted(0x18461e0, {0x1b85c70, 0xc00529e000}, {0xc00023a2a0, 0xc0003c6400}, {0xc000380d80, 0xc0009807d0}) pkg/sentry/vfs/pathname.go:57 +0x2e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc000734300, {0x1b85c70, 0xc00529e000}) pkg/sentry/vfs/file_description.go:791 +0x125 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc00086a3a0, {0x1b85c70, 0xc00529e000}, {0xc004500000, 0xc0016a8db8}, 0x1) pkg/sentry/mm/procfs.go:163 +0x488 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaSmapsEntryIntoLocked(0xc005c0f000, {0x1b85c70, 0xc00529e000}, {0xc004500000, 0xd0741e}, 0x470e65) pkg/sentry/mm/procfs.go:234 +0xa5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadSmapsDataInto(0xc005c0f000, {0x1b85c70, 0xc00529e000}, 0x470e37) pkg/sentry/mm/procfs.go:183 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*smapsData).Generate(0xc004a39880, {0x1b85c70, 0xc00529e000}, 0xc00689da60) pkg/sentry/fsimpl/proc/task_files.go:564 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc00086a380, {0x1b85c70, 0xc00529e000}, {{0x1b78d48, 0xc005c0f000}, {0x0, 0x1, 0x20000100, 0x2046}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:301 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).Read(0xc00086a380, {0x1b85c70, 0xc00529e000}, {{0x1b78d48, 0xc005c0f000}, {0x0, 0x1, 0x20000100, 0x2046}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:328 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).Read(0xc00086a380, {0x1b85c70, 0xc00529e000}, {{0x1b78d48, 0xc005c0f000}, {0x0, 0x1, 0x20000100, 0x2046}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:115 +0x9b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc00086a3e0, {0x1b85c70, 0xc00529e000}, {{0x1b78d48, 0xc005c0f000}, {0x0, 0x1, 0x20000100, 0x2046}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:634 +0x15e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0x470e65, 0xc00086a3e0, {{0x1b78d48, 0xc005c0f000}, {0x0, 0x1, 0x20000100, 0x2046}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc00529e000, {{0x4}, {0x20000100}, {0x2046}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:63 +0x2c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00529e000, 0x0, {{0x4}, {0x20000100}, {0x2046}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00529e000, 0x46f779, {{0x4}, {0x20000100}, {0x2046}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00377f3b0, 0x46fc2c, {{0x4}, {0x20000100}, {0x2046}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00529e000) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00529e000, 0xc00529e000) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00529e000, 0xac20) 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