panic: WARNING: circular locking detected: mm.mappingRWMutex -> tmpfs.filesystemRWMutex: goroutine 128697 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x40) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023fd00, 0xc00023fd80, {0xc0011e64c0, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc00023f7a0, 0xc0008a0650) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00023f780, 0xc001eda768) 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(0xc0004c0070) 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(0xc0004c0000, {0x6400000000, 0xc000000073}, {0xc000380f60, 0xc0003c0400}, {0xc00052e3c0, 0xc0001f0500}, 0xc006eda72b) pkg/sentry/fsimpl/tmpfs/filesystem.go:896 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).PathnameWithDeleted(0x1849b80, {0x1b89eb0, 0xc0038d2a80}, {0xc000380f60, 0xc0003c0400}, {0xc00052e3c0, 0xc0001f0500}) pkg/sentry/vfs/pathname.go:57 +0x2e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc00001c700, {0x1b89eb0, 0xc0038d2a80}) pkg/sentry/vfs/file_description.go:791 +0x125 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc006f4b800, {0x1b89eb0, 0xc0038d2a80}, {0xc006f4b800, 0xd07b5e}, 0x470e65) pkg/sentry/mm/procfs.go:165 +0x488 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadMapsDataInto(0xc005400000, {0x1b89eb0, 0xc0038d2a80}, 0x470e37) pkg/sentry/mm/procfs.go:68 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*mapsData).Generate(0xc003c2ca80, {0x1b89eb0, 0xc0038d2a80}, 0x30439da) pkg/sentry/fsimpl/proc/task_files.go:545 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc0065682a0, {0x1b89eb0, 0xc0038d2a80}, {{0x1b7cf28, 0xc005400000}, {0x0, 0x1, 0x20000080, 0x2020}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:301 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).Read(0xc0065682a0, {0x1b89eb0, 0xc0038d2a80}, {{0x1b7cf28, 0xc005400000}, {0x0, 0x1, 0x20000080, 0x2020}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:328 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).Read(0xc0065682a0, {0x1b89eb0, 0xc0038d2a80}, {{0x1b7cf28, 0xc005400000}, {0x0, 0x1, 0x20000080, 0x2020}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:115 +0x9b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc006568300, {0x1b89eb0, 0xc0038d2a80}, {{0x1b7cf28, 0xc005400000}, {0x0, 0x1, 0x20000080, 0x2020}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:634 +0x15e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0x470e65, 0xc006568300, {{0x1b7cf28, 0xc005400000}, {0x0, 0x1, 0x20000080, 0x2020}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc0038d2a80, {{0x3}, {0x20000080}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:63 +0x2c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0038d2a80, 0x0, {{0x3}, {0x20000080}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xa78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0038d2a80, 0x46f779, {{0x3}, {0x20000080}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003790960, 0x46fc2c, {{0x3}, {0x20000080}, {0x2020}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0038d2a80) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0038d2a80, 0xc0038d2a80) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0038d2a80, 0x1853) 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