panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.activeRWMutex: goroutine 48331 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xa0) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000577380, 0xc000577a80, {0xc0009a1538, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000577b20, 0xc000894728) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000577b00, 0xc007076840) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000577380, 0xc000577b00, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000577380, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/mm.(*activeRWMutex).RLock(0xc003dd2860) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/active_mutex.go:46 +0x3f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc003dd2000, {0x1b82090, 0xc001664a80}, {0xc003a13000, 0x3000}, {0x79, 0xf7, 0x46}, 0x0, 0xc007076df8) pkg/sentry/mm/io.go:520 +0x90 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc003dd2000, {0x1b82090, 0xc001664a80}, {0x0, 0x8, 0x10, 0x7f5f057a8a68}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:591 +0x6b5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc003dd2000, {0x1b82090, 0xc001664a80}, {0x0, 0x154b130, 0x7f5e280b0008, 0xbccb}, {0x1b2a940, 0xc003a36110}, {0x0, ...}) pkg/sentry/mm/io.go:310 +0x229 gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyInTo(...) pkg/usermem/usermem.go:515 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).pwrite(0xc005544280, {0x1b82090, 0xc001664a80}, {{0x1b75168, 0xc003dd2000}, {0x0, 0x1, 0x20002380, 0x1}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:471 +0x57b gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).PWrite(0x0, {0x1b82090, 0xc001664a80}, {{0x1b75168, 0xc003dd2000}, {0x0, 0x1, 0x20002380, 0x1}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:415 +0xad gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PWrite(0xc005544280, {0x1b82090, 0xc001664a80}, {{0x1b75168, 0xc003dd2000}, {0x0, 0x1, 0x20002380, 0x1}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:653 +0x14a gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.pwrite(0x11b13ad, 0xc005544280, {{0x1b75168, 0xc003dd2000}, {0x0, 0x1, 0x20002380, 0x1}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:504 +0xad gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwrite64(0xc001664a80, {{0x3}, {0x20002380}, {0x1}, {0x8001}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:421 +0x393 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001664a80, 0x12, {{0x3}, {0x20002380}, {0x1}, {0x8001}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001664a80, 0x46f779, {{0x3}, {0x20002380}, {0x1}, {0x8001}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc006af02d0, 0x46fc2c, {{0x3}, {0x20002380}, {0x1}, {0x8001}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001664a80) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001664a80, 0xc001664a80) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001664a80, 0xa55) pkg/sentry/kernel/task_run.go:94 +0x35b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:369 +0x1a9