panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.activeRWMutex: goroutine 1953 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xa0) pkg/log/log.go:316 +0xd3 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000237600, 0xc000237d00, {0xc000b83810, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x225 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000237da0, 0xc00080a898) pkg/sync/locking/lockdep.go:76 +0x7a gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000237d80, 0xc00086a9b0) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x334 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000237600, 0xc000237d80, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x4aa gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000237600, 0x0) pkg/sync/locking/lockdep.go:107 +0x33e gvisor.dev/gvisor/pkg/sentry/mm.(*activeRWMutex).RLock(0xc0009e3860) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/active_mutex.go:46 +0x53 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc0009e3000, {0x1c0acb0, 0xc000958a80}, {0x5dfeac, 0x470e65}, {0xb2, 0xe, 0xbc}, 0x0, 0xc00086ae88) pkg/sentry/mm/io.go:520 +0xa5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc0009e3000, {0x1c0acb0, 0xc000958a80}, {0x0, 0x1672e90, 0x0, 0x0}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:591 +0x83f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc0009e3000, {0x1c0acb0, 0xc000958a80}, {0x0, 0x1, 0x1, 0x470e65}, {0x1bb5280, 0xc000a4c870}, {0x0, ...}) pkg/sentry/mm/io.go:310 +0x2e9 gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyInTo({{0x1bfe4e8, 0xc0009e3000}, {0x0, 0x1, 0x20000080, 0x3f}, {0x0, 0x1}}, {0x1c0acb0, 0xc000958a80}, ...) pkg/usermem/usermem.go:515 +0xd8 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).pwrite(0xc0005e6980, {0x1c0acb0, 0xc000958a80}, {{0x1bfe4e8, 0xc0009e3000}, {0x0, 0x1, 0x20000080, 0x3f}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:471 +0x5ae gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).PWrite(0x0, {0x1c0acb0, 0xc000958a80}, {{0x1bfe4e8, 0xc0009e3000}, {0x0, 0x1, 0x20000080, 0x3f}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:415 +0xbe gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PWrite(0xc0005e6980, {0x1c0acb0, 0xc000958a80}, {{0x1bfe4e8, 0xc0009e3000}, {0x0, 0x1, 0x20000080, 0x3f}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:653 +0x18a gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.pwrite(0x12b496b, 0x200, {{0x1bfe4e8, 0xc0009e3000}, {0x0, 0x1, 0x20000080, 0x3f}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:504 +0xc5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwrite64(0xc000958a80, {{0x3}, {0x20000080}, {0x3f}, {0x1c0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:421 +0x465 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000958a80, 0x12, {{0x3}, {0x20000080}, {0x3f}, {0x1c0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xaf7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000958a80, 0x1, {{0x3}, {0x20000080}, {0x3f}, {0x1c0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000486a50, 0x1, {{0x3}, {0x20000080}, {0x3f}, {0x1c0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0xc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000958a80) pkg/sentry/kernel/task_syscall.go:257 +0x4c7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000958a80, 0xc000958a80) pkg/sentry/kernel/task_run.go:253 +0x19fc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000958a80, 0x52) pkg/sentry/kernel/task_run.go:94 +0x2d4 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:369 +0x1d1