panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.mappingRWMutex: goroutine 16992 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x40) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023f780, 0xc00023fd00, {0xc001713c10, 0x2, 0x2}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc00023fe20, 0xc0010684f0) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00023fe00, 0xc001068608) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023f780, 0xc00023fe00, {0xc002d92e38, 0x1, 0x1}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc00023fda0, 0xc001068738) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00023fd80, 0xc001068850) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023f780, 0xc00023fd80, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc00023f780, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc001f86064) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/mapping_mutex.go:46 +0x3f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc001f86000, {0x1b893d0, 0xc002f22000}, {0xc002180000, 0x3000}, {0x79, 0xf7, 0x46}, 0x0, 0xc001068e08) pkg/sentry/mm/io.go:530 +0xf8 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc001f86000, {0x1b893d0, 0xc002f22000}, {0x0, 0x8, 0x10, 0x7f98201147d8}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:591 +0x6b5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc001f86000, {0x1b893d0, 0xc002f22000}, {0x0, 0x470e37, 0x804666, 0x470e65}, {0x1b318a0, 0xc001713bb0}, {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(0xc002a0e600, {0x1b893d0, 0xc002f22000}, {{0x1b7c448, 0xc001f86000}, {0x0, 0x1, 0x0, 0x4}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:471 +0x57b gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Write(0xc002a0e600, {0x1b893d0, 0xc002f22000}, {{0x1b7c448, 0xc001f86000}, {0x0, 0x1, 0x0, 0x4}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:495 +0x11d gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc002a0e600, {0x1b893d0, 0xc002f22000}, {{0x1b7c448, 0xc001f86000}, {0x0, 0x1, 0x0, 0x4}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:665 +0x125 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0x470e65, 0xc002a0e600, {{0x1b7c448, 0xc001f86000}, {0x0, 0x1, 0x0, 0x4}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc002f22000, {{0x4}, {0x0}, {0x4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x2c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002f22000, 0x1, {{0x4}, {0x0}, {0x4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xa78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002f22000, 0x46f779, {{0x4}, {0x0}, {0x4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003c2e690, 0x46fc2c, {{0x4}, {0x0}, {0x4}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002f22000) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002f22000, 0xc002f22000) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002f22000, 0x446) 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