panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.mappingRWMutex: goroutine 2156 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x0) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000241780, 0xc000241d00, {0xc0007f53e0, 0x2, 0x2}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000241e20, 0xc0011dc4e0) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000241e00, 0xc0011dc5f8) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000241780, 0xc000241e00, {0xc001690810, 0x1, 0x1}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000241da0, 0xc0011dc728) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000241d80, 0xc0011dc840) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000241780, 0xc000241d80, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000241780, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc0010ca064) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/mapping_mutex.go:46 +0x3f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc0010ca000, {0x1b85c70, 0xc001480000}, {0xc001496000, 0x3000}, {0x79, 0xf7, 0x46}, 0x0, 0xc0011dcdf8) pkg/sentry/mm/io.go:530 +0xf8 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc0010ca000, {0x1b85c70, 0xc001480000}, {0x0, 0x8, 0x10, 0x7f2c010c3948}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:591 +0x6b5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc0010ca000, {0x1b85c70, 0xc001480000}, {0x0, 0x154dbb0, 0x7f2aecc40008, 0x86c}, {0x1b2e380, 0xc0007f53a0}, {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(0xc000157100, {0x1b85c70, 0xc001480000}, {{0x1b78d48, 0xc0010ca000}, {0x0, 0x1, 0x20000bc0, 0x1}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:471 +0x57b gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).PWrite(0x0, {0x1b85c70, 0xc001480000}, {{0x1b78d48, 0xc0010ca000}, {0x0, 0x1, 0x20000bc0, 0x1}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:415 +0xad gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PWrite(0xc000157100, {0x1b85c70, 0xc001480000}, {{0x1b78d48, 0xc0010ca000}, {0x0, 0x1, 0x20000bc0, 0x1}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:653 +0x14a gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.pwrite(0x11b3e2d, 0xc000157100, {{0x1b78d48, 0xc0010ca000}, {0x0, 0x1, 0x20000bc0, 0x1}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:504 +0xad gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwrite64(0xc001480000, {{0x3}, {0x20000bc0}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:421 +0x393 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001480000, 0x12, {{0x3}, {0x20000bc0}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001480000, 0x46f779, {{0x3}, {0x20000bc0}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000f48000, 0x46fc2c, {{0x3}, {0x20000bc0}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001480000) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001480000, 0xc001480000) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001480000, 0x7d) 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