panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.activeRWMutex: goroutine 249 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xa0) pkg/log/log.go:316 +0xd3 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000235600, 0xc000235d00, {0xc000bb8970, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x225 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000235da0, 0xc000a44898) pkg/sync/locking/lockdep.go:76 +0x7a gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000235d80, 0xc000a449b0) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x334 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000235600, 0xc000235d80, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x4aa gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000235600, 0x0) pkg/sync/locking/lockdep.go:107 +0x33e gvisor.dev/gvisor/pkg/sentry/mm.(*activeRWMutex).RLock(0xc000a74860) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/active_mutex.go:46 +0x53 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc000a74000, {0x1c709b0, 0xc00058b500}, {0x5e046c, 0x470e65}, {0xb2, 0x14, 0xbc}, 0x0, 0xc000a44e88) pkg/sentry/mm/io.go:520 +0xa5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc000a74000, {0x1c709b0, 0xc00058b500}, {0x0, 0x16c65d0, 0x0, 0x0}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:591 +0x83f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc000a74000, {0x1c709b0, 0xc00058b500}, {0x0, 0x1, 0x1, 0x470e65}, {0x1c19900, 0xc000a72a80}, {0x0, ...}) pkg/sentry/mm/io.go:310 +0x2e9 gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyInTo({{0x1c63d68, 0xc000a74000}, {0x0, 0x1, 0x20000140, 0x1}, {0x0, 0x1}}, {0x1c709b0, 0xc00058b500}, ...) pkg/usermem/usermem.go:515 +0xd8 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).pwrite(0xc000bd8300, {0x1c709b0, 0xc00058b500}, {{0x1c63d68, 0xc000a74000}, {0x0, 0x1, 0x20000140, 0x1}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:471 +0x5ae gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Write(0xc000bd8300, {0x1c709b0, 0xc00058b500}, {{0x1c63d68, 0xc000a74000}, {0x0, 0x1, 0x20000140, 0x1}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:495 +0x136 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000bd8300, {0x1c709b0, 0xc00058b500}, {{0x1c63d68, 0xc000a74000}, {0x0, 0x1, 0x20000140, 0x1}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:665 +0x14c gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0x46fc2c, 0x47135b, {{0x1c63d68, 0xc000a74000}, {0x0, 0x1, 0x20000140, 0x1}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0xae gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00058b500, {{0x3}, {0x20000140}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x36f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00058b500, 0x1, {{0x3}, {0x20000140}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xaf7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00058b500, 0x1, {{0x3}, {0x20000140}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000a12690, 0x1, {{0x3}, {0x20000140}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0xc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00058b500) pkg/sentry/kernel/task_syscall.go:257 +0x4c7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00058b500, 0xc00058b500) pkg/sentry/kernel/task_run.go:247 +0x19fc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00058b500) pkg/sentry/kernel/task_run.go:90 +0x2c2 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:364 +0x1b1