panic: WARNING: circular locking detected: mm.mappingRWMutex -> tmpfs.filesystemRWMutex: goroutine 1928418 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x40) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023fd00, 0xc00023fd80, {0xc009c1d5c0, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc00023f7a0, 0xc000c7a560) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00023f780, 0xc000c7a678) 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(0xc0001b0070) 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(0xc0001b0000, {0x6400000000, 0x73}, {0xc00016a600, 0xc0003a6d00}, {0xc000380900, 0xc0005951d0}, 0xc008698cfb) pkg/sentry/fsimpl/tmpfs/filesystem.go:896 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).PathnameWithDeleted(0x1849b80, {0x1b89eb0, 0xc0089e2a80}, {0xc00016a600, 0xc0003a6d00}, {0xc000380900, 0xc0005951d0}) pkg/sentry/vfs/pathname.go:57 +0x2e5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc000772300, {0x1b89eb0, 0xc0089e2a80}) pkg/sentry/vfs/file_description.go:791 +0x125 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc0009d7ec0, {0x1b89eb0, 0xc0089e2a80}, {0xc00a0e6000, 0xc000c7ade0}, 0x1) pkg/sentry/mm/procfs.go:165 +0x488 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaSmapsEntryIntoLocked(0xc00609d000, {0x1b89eb0, 0xc0089e2a80}, {0xc00a0e6000, 0xd07b5e}, 0x470e65) pkg/sentry/mm/procfs.go:236 +0xa5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadSmapsDataInto(0xc00609d000, {0x1b89eb0, 0xc0089e2a80}, 0x470e37) pkg/sentry/mm/procfs.go:185 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*smapsData).Generate(0xc002ba3880, {0x1b89eb0, 0xc0089e2a80}, 0xc0089e2a80) pkg/sentry/fsimpl/proc/task_files.go:564 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc0009d7ea0, {0x1b89eb0, 0xc0089e2a80}, {{0x1b7cf28, 0xc00609d000}, {0x0, 0x1, 0x20000040, 0x2b}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:301 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).Read(0xc0009d7ea0, {0x1b89eb0, 0xc0089e2a80}, {{0x1b7cf28, 0xc00609d000}, {0x0, 0x1, 0x20000040, 0x2b}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:328 +0x125 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).Read(0xc0009d7ea0, {0x1b89eb0, 0xc0089e2a80}, {{0x1b7cf28, 0xc00609d000}, {0x0, 0x1, 0x20000040, 0x2b}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:115 +0x9b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc0009d7f00, {0x1b89eb0, 0xc0089e2a80}, {{0x1b7cf28, 0xc00609d000}, {0x0, 0x1, 0x20000040, 0x2b}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:634 +0x15e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0x470e65, 0xc0009d7f00, {{0x1b7cf28, 0xc00609d000}, {0x0, 0x1, 0x20000040, 0x2b}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Readv(0xc0089e2a80, {{0x3}, {0x20001640}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:88 +0x2bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0089e2a80, 0x13, {{0x3}, {0x20001640}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xa78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0089e2a80, 0x46f779, {{0x3}, {0x20001640}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00375f1d0, 0x46fc2c, {{0x3}, {0x20001640}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0089e2a80) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0089e2a80, 0xc0089e2a80) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0089e2a80, 0x219f) 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