panic: WARNING: circular locking detected: mm.mappingRWMutex -> tmpfs.filesystemRWMutex: goroutine 199 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xe0) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023fd00, 0xc00023fd80, {0xc00078e610, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc00023f798, 0xc0006c6520) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsapmShard).doRange(0xc00023f780, 0xc0006c6678) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:403 +0x256 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).Range(0xc00023f780, 0xc00023fd00) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:382 +0x58 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(0xc000450070) 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(0xc000450000, {0x6400000000, 0x73}, {0xc000168600, 0xc0003bc400}, {0xc00058e420, 0xc0005b2410}, 0xc00070811b) pkg/sentry/fsimpl/tmpfs/filesystem.go:896 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).PathnameWithDeleted(0x18a1180, {0x1beb110, 0xc0007fb500}, {0xc000168600, 0xc0003bc400}, {0xc00058e420, 0xc0005b2410}) pkg/sentry/vfs/pathname.go:57 +0x2e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc00023e980, {0x1beb110, 0xc0007fb500}) pkg/sentry/vfs/file_description.go:791 +0x125 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc00064a8e0, {0x1beb110, 0xc0007fb500}, {0xc000536000, 0xc0006c6de0}, 0x1) pkg/sentry/mm/procfs.go:163 +0x488 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaSmapsEntryIntoLocked(0xc000745000, {0x1beb110, 0xc0007fb500}, {0xc000536000, 0xc000676d00}, 0x470e65) pkg/sentry/mm/procfs.go:234 +0xa5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadSmapsDataInto(0xc000745000, {0x1beb110, 0xc0007fb500}, 0x470e37) pkg/sentry/mm/procfs.go:183 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*smapsData).Generate(0xc0007ddc00, {0x1beb110, 0xc0007fb500}, 0x2) pkg/sentry/fsimpl/proc/task_files.go:564 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc00064a8c0, {0x1beb110, 0xc0007fb500}, {{0x1bddd68, 0xc000745000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:301 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).PRead(0xc00064a8c0, {0x1beb110, 0xc0007fb500}, {{0x1bddd68, 0xc000745000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:320 +0xd0 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).PRead(0xc00064a8c0, {0x1beb110, 0xc0007fb500}, {{0x1bddd68, 0xc000745000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:120 +0xaf gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PRead(0xc00064a920, {0x1beb110, 0xc0007fb500}, {{0x1bddd68, 0xc000745000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:619 +0x18a gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.pread(0x0, 0xc00064a920, {{0x1bddd68, 0xc000745000}, {0x0, 0x0, 0x0, 0x0}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:251 +0xad gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Preadv(0xc0007fb500, {{0x3}, {0x0}, {0x0}, {0xfffffffe}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:199 +0x2e6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007fb500, 0x127, {{0x3}, {0x0}, {0x0}, {0xfffffffe}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007fb500, 0x46f779, {{0x3}, {0x0}, {0x0}, {0xfffffffe}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000372a50, 0x46fc2c, {{0x3}, {0x0}, {0x0}, {0xfffffffe}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007fb500) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0007fb500, 0xc0007fb500) pkg/sentry/kernel/task_run.go:247 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007fb500) pkg/sentry/kernel/task_run.go:90 +0x35b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:364 +0x191