panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.activeRWMutex: goroutine 17501 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xa0) pkg/log/log.go:316 +0x8d gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000235600, 0xc000235d00, {0xc00294e370, 0x1, 0x1}) pkg/sync/locking/lockdep.go:56 +0x1f4 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000235da0, 0xc0016dc710) pkg/sync/locking/lockdep.go:76 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000235d80, 0xc0016dc828) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000235600, 0xc000235d80, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:73 +0x46c gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000235600, 0x0) pkg/sync/locking/lockdep.go:107 +0x3ba gvisor.dev/gvisor/pkg/sentry/mm.(*activeRWMutex).RLock(0xc003c88860) bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/active_mutex.go:46 +0x3f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc003c88000, {0x1b82090, 0xc002d74000}, {0xc003e54000, 0x3000}, {0x79, 0xf7, 0x46}, 0x0, 0xc0016dcde0) pkg/sentry/mm/io.go:520 +0x90 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc003c88000, {0x1b82090, 0xc002d74000}, {0x0, 0x8, 0x10, 0x7f54edc917d8}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:591 +0x6b5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc003c88000, {0x1b82090, 0xc002d74000}, {0x0, 0x470e37, 0x801266, 0x470e65}, {0x1b2a940, 0xc00206d590}, {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(0xc001241e00, {0x1b82090, 0xc002d74000}, {{0x1b75168, 0xc003c88000}, {0x0, 0x1, 0x20000200, 0x806000}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:471 +0x57b gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Write(0xc001241e00, {0x1b82090, 0xc002d74000}, {{0x1b75168, 0xc003c88000}, {0x0, 0x1, 0x20000200, 0x806000}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:495 +0x11d gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc001241e00, {0x1b82090, 0xc002d74000}, {{0x1b75168, 0xc003c88000}, {0x0, 0x1, 0x20000200, 0x806000}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:665 +0x125 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0x470e65, 0xc001241e00, {{0x1b75168, 0xc003c88000}, {0x0, 0x1, 0x20000200, 0x806000}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc002d74000, {{0x6}, {0x20000200}, {0x806000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x2c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002d74000, 0x1, {{0x6}, {0x20000200}, {0x806000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002d74000, 0x46f779, {{0x6}, {0x20000200}, {0x806000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0003872c0, 0x46fc2c, {{0x6}, {0x20000200}, {0x806000}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002d74000) pkg/sentry/kernel/task_syscall.go:257 +0x3e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002d74000, 0xc002d74000) pkg/sentry/kernel/task_run.go:253 +0x16b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002d74000, 0x34c) 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