panic: WARNING: circular locking detected: mm.mappingRWMutex -> tmpfs.filesystemRWMutex: goroutine 1543992 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x40) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000241d80, 0xc000241e00, {0xc00813b5c8, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000241820, 0xc000a5a560) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000241800, 0xc000a5a678) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000241d80, 0xc000241800, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000241d80, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0001da070) 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(0xc0001da000, {0x6400000000, 0xc000000073}, {0xc00023c420, 0xc0003b8d00}, {0xc00060e360, 0xc0005410e0}, 0xc0095b786b) pkg/sentry/fsimpl/tmpfs/filesystem.go:896 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).PathnameWithDeleted(0x1849b80, {0x1b89eb0, 0xc0048e6a80}, {0xc00023c420, 0xc0003b8d00}, {0xc00060e360, 0xc0005410e0}) pkg/sentry/vfs/pathname.go:57 +0x2e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc0009a0480, {0x1b89eb0, 0xc0048e6a80}) pkg/sentry/vfs/file_description.go:791 +0x125 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc002daf7c0, {0x1b89eb0, 0xc0048e6a80}, {0xc00583a800, 0xc000a5ade0}, 0x1) pkg/sentry/mm/procfs.go:165 +0x488 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaSmapsEntryIntoLocked(0xc007c30000, {0x1b89eb0, 0xc0048e6a80}, {0xc00583a800, 0xd07b5e}, 0x470e65) pkg/sentry/mm/procfs.go:236 +0xa5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadSmapsDataInto(0xc007c30000, {0x1b89eb0, 0xc0048e6a80}, 0x470e37) pkg/sentry/mm/procfs.go:185 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*smapsData).Generate(0xc007f3d880, {0x1b89eb0, 0xc0048e6a80}, 0x449434) pkg/sentry/fsimpl/proc/task_files.go:564 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc002daf7a0, {0x1b89eb0, 0xc0048e6a80}, {{0x1b7cf28, 0xc007c30000}, {0x0, 0x1, 0x20000680, 0x2020}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:301 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).Read(0xc002daf7a0, {0x1b89eb0, 0xc0048e6a80}, {{0x1b7cf28, 0xc007c30000}, {0x0, 0x1, 0x20000680, 0x2020}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:328 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).Read(0xc002daf7a0, {0x1b89eb0, 0xc0048e6a80}, {{0x1b7cf28, 0xc007c30000}, {0x0, 0x1, 0x20000680, 0x2020}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:115 +0x9b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc002daf800, {0x1b89eb0, 0xc0048e6a80}, {{0x1b7cf28, 0xc007c30000}, {0x0, 0x1, 0x20000680, 0x2020}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:634 +0x15e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0x470e65, 0xc002daf800, {{0x1b7cf28, 0xc007c30000}, {0x0, 0x1, 0x20000680, 0x2020}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc0048e6a80, {{0x3}, {0x20000680}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:63 +0x2c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0048e6a80, 0x0, {{0x3}, {0x20000680}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xa78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0048e6a80, 0x46f779, {{0x3}, {0x20000680}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005b0f4a0, 0x46fc2c, {{0x3}, {0x20000680}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0048e6a80) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0048e6a80, 0xc0048e6a80) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0048e6a80, 0xd436) 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