panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.mappingRWMutex: goroutine 1204 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000322140, 0xc0015d2b58) bazel-out/k8-fastbuild/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x326 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0003a7e60, 0xc000322120, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:112 +0x505 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc0003a7e60, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:144 +0x390 gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc00169d05c) bazel-out/k8-fastbuild/bin/pkg/sentry/mm/mapping_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc00169d008, {0x2061a40, 0xc000863208}, {0x485195?, 0x2cc05a8?}, {0x1?, 0x0?, 0x0?}, 0x0, 0xc0015d3080) pkg/sentry/mm/io.go:544 +0x145 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc00169d008, {0x2061a40, 0xc000863208}, {0x0?, 0x0?, 0x0?, 0xc001ab4108?}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:606 +0x8ae gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc00169d008, {0x2061a40, 0xc000863208}, {0x0?, 0x4?, 0x484ca9?, 0xc0015d3130?}, {0x203e3e0, 0xc001ab4108}, {0x0, ...}) pkg/sentry/mm/io.go:324 +0x2f0 gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyInTo({{0x20586d8, 0xc00169d008}, {0x0, 0x1, 0x7f18f6400000, 0x2000}, {0x0, 0x1}}, {0x2061a40, 0xc000863208}, ...) pkg/usermem/usermem.go:516 +0xcf gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).pwrite(0xc00082c980, {0x2061a40, 0xc000863208}, {{0x20586d8, 0xc00169d008}, {0x0, 0x1, 0x7f18f6400000, 0x2000}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:553 +0x91b gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Write(0xc00082c980, {0x2061a40, 0xc000863208}, {{0x20586d8, 0xc00169d008}, {0x0, 0x1, 0x7f18f6400000, 0x2000}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:570 +0x12a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00082c980, {0x2061a40, 0xc000863208}, {{0x20586d8, 0xc00169d008}, {0x0, 0x1, 0x7f18f6400000, 0x2000}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x145 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc000863208, 0xc00082c980, {{0x20586d8, 0xc00169d008}, {0x0, 0x1, 0x7f18f6400000, 0x2000}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0xa5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc000863208, 0x0?, {{0x3}, {0x7f18f6400000}, {0x2000}, {0x20000242}, {0x0}, {0x172}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x38f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000863208, 0x1, {{0x3}, {0x7f18f6400000}, {0x2000}, {0x20000242}, {0x0}, {0x172}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000863208, 0x1, {{0x3}, {0x7f18f6400000}, {0x2000}, {0x20000242}, {0x0}, {0x172}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000863208, 0x1, {{0x3}, {0x7f18f6400000}, {0x2000}, {0x20000242}, {0x0}, {0x172}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000863208) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000863208?, 0xc000863208) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000863208, 0x6e) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1194 pkg/sentry/kernel/task_start.go:400 +0x185 known lock chain: mm.mappingRWMutex -> tmpfs.filesystemRWMutex -> tmpfs.inodeMutex ====== mm.mappingRWMutex -> tmpfs.filesystemRWMutex ===== goroutine 327 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0006f2068) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).StatAt(0xc0006f2000, {0x2061bf0, 0xc000406450}, 0xc000a64908, {0x14141b8?, 0x30000000?}) pkg/sentry/fsimpl/tmpfs/filesystem.go:760 +0xa8 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Stat(0xc00073ce70, {0x2061bf0, 0xc000406450}, {0x1a6c050?, 0x0?}) pkg/sentry/vfs/file_description.go:540 +0x322 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DeviceID(0xc00073ce70) pkg/sentry/vfs/file_description.go:823 +0x65 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0x485195?, {0x2061bf0, 0xc000406450}, {0xc0009f1208?, 0xc001111368?}, 0xc0012c4ab0) pkg/sentry/mm/procfs.go:118 +0x19d gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaMapsEntryLocked(0xc001280008, {0x2061bf0, 0xc000406450}, {0xc0009f1208?, 0x47906e?}) pkg/sentry/mm/procfs.go:104 +0xcf gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).DebugString(0xc001280008, {0x2061bf0, 0xc000406450}) pkg/sentry/mm/debug.go:49 +0x1a5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).String(0xc001280008) pkg/sentry/mm/debug.go:38 +0x45 fmt.(*pp).handleMethods(0xc0014140d0, 0x73) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:673 +0x6eb fmt.(*pp).printArg(0xc0014140d0, {0x1e350e0, 0xc001280008}, 0x73) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:756 +0xb4c fmt.(*pp).doPrintf(0xc0014140d0, {0xc0009d35c0, 0x24}, {0xc0012c4a60, 0x1, 0x1}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:1074 +0x5d0 fmt.Sprintf({0xc0009d35c0, 0x24}, {0xc0012c4a60, 0x1, 0x1}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:239 +0x5d gvisor.dev/gvisor/pkg/log.GoogleEmitter.Emit({0xc001111ab0?}, 0x3, 0x2, {0x2cc0160?, 0x1?, 0x2de31c0?}, {0xc0009d35c0, 0x24}, {0xc0012c4a60, 0x1, ...}) pkg/log/glog.go:82 +0x32a gvisor.dev/gvisor/pkg/log.(*BasicLogger).DebugfAtDepth(0xc0000132c0, 0x2, {0xc0009d35c0, 0x24}, {0xc0012c4a60, 0x1, 0x1}) pkg/log/log.go:220 +0x128 gvisor.dev/gvisor/pkg/log.DebugfAtDepth(0x1, {0xc0009d35c0, 0x24}, {0xc0012c4a60, 0x1, 0x1}) pkg/log/log.go:295 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Debugf(0xc00113c008, {0x1e48a08, 0xc}, {0xc0012c4a60, 0x1, 0x1}) pkg/sentry/kernel/task_log.go:54 +0xcd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).DebugDumpState(0xc00113c008) pkg/sentry/kernel/task_log.go:71 +0x11c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00113c008?, 0xc00113c008) pkg/sentry/kernel/task_run.go:313 +0x2025 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00113c008, 0x16) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 297 pkg/sentry/kernel/task_start.go:400 +0x185 ====== tmpfs.filesystemRWMutex -> tmpfs.inodeMutex ===== goroutine 1 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inodeMutex).Lock(0xc0006e7088) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/inode_mutex.go:33 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inode).touchCMtime(0xc0006e7058) pkg/sentry/fsimpl/tmpfs/tmpfs.go:824 +0xb8 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).doCreateAt(0xc0006f2000, {0x2061d10, 0xc00015c460}, 0xc0006ec488, 0x0, 0xc0009edc68) pkg/sentry/fsimpl/tmpfs/filesystem.go:219 +0x633 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).SymlinkAt(0xc0006f2000, {0x2061d10, 0xc00015c460}, 0xc0006ec488, {0x1e49b75, 0xd}) pkg/sentry/fsimpl/tmpfs/filesystem.go:783 +0xf3 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SymlinkAt(0xc0002c51e0, {0x2061d10, 0xc00015c460}, 0xc000780720, 0xc000312230, {0x1e49b75, 0xd}) pkg/sentry/vfs/vfs.go:695 +0x303 gvisor.dev/gvisor/pkg/sentry/fsimpl/dev.userspaceInit({0x2061d10, 0xc00015c460}, 0xc0002c51e0, 0xc000780720, {0xc000298dc0?, 0xc0006e7008?}, 0x0) pkg/sentry/fsimpl/dev/dev.go:164 +0x33e gvisor.dev/gvisor/pkg/sentry/fsimpl/dev.FilesystemType.GetFilesystem({}, {0x2061d10, 0xc00015c460}, 0xc0002c51e0, 0xc000780720, {0x0, 0x0}, {0x1, {0x0, 0x0}, ...}) pkg/sentry/fsimpl/dev/dev.go:60 +0x36e gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).NewFilesystem(0xc0002c51e0, {0x2061d10, 0xc00015c460}, 0xc000780720, {0x0, 0x0}, {0x1e4017d, 0x3}, 0xc0006e8100) pkg/sentry/vfs/mount.go:252 +0x1d4 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountDisconnected(0xc0002c51e0, {0x2061d10, 0xc00015c460}, 0xc000780720, {0x0, 0x0}, {0x1e4017d, 0x3}, 0xc0006e8100) pkg/sentry/vfs/mount.go:271 +0xc5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc0002c51e0, {0x2061d10, 0xc00015c460}, 0xc000780720, {0x0, 0x0}, 0xc0009ee520, {0x1e4017d, 0x3}, 0xc0006e8100) pkg/sentry/vfs/mount.go:632 +0xe5 gvisor.dev/gvisor/runsc/boot.(*containerMounter).mountSubmount(0xc000b68a90, {0x2061d10, 0xc00015c460}, 0xc00054d290, 0xc0001e0308, 0xc000afa360, 0xc000780720, 0xc000280208) runsc/boot/vfs.go:850 +0xb52 gvisor.dev/gvisor/runsc/boot.(*containerMounter).mountSubmounts(0xc000b68a90, {0x2061d10, 0xc00015c460}, 0xc00054d290, 0xc0001e0308, 0xc000afa360, 0xc000780720) runsc/boot/vfs.go:739 +0x9ed gvisor.dev/gvisor/runsc/boot.(*containerMounter).mountAll(0xc000b68a90, {0x2061d10, 0xc00015c460}, 0xc000780720, 0xc00054d290, 0xc0001e0308, 0xc000b68b60) runsc/boot/vfs.go:468 +0x585 gvisor.dev/gvisor/runsc/boot.setupContainerVFS({0x2061d10, 0xc00015c240}, 0xc000041698, 0xc000b68a90, 0xc0000416c8) runsc/boot/vfs.go:177 +0x2ce gvisor.dev/gvisor/runsc/boot.(*Loader).createContainerProcess(0xc000041688, 0xc000041698) runsc/boot/loader.go:1159 +0xb1b gvisor.dev/gvisor/runsc/boot.(*Loader).run(0xc000041688) runsc/boot/loader.go:917 +0x372 gvisor.dev/gvisor/runsc/boot.(*Loader).Run(0xc000041688) runsc/boot/loader.go:865 +0x2f gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc000184380, {0xc000040398?, 0x13?}, 0xc0002fc9a0, {0xc000318280, 0x2, 0xc000318280?}) runsc/cmd/boot.go:564 +0x3525 github.com/google/subcommands.(*Commander).Execute(0xc0002a6000, {0x2051310, 0x3d43c60}, {0xc000318280, 0x2, 0x2}) external/com_github_google_subcommands/subcommands.go:200 +0x684 github.com/google/subcommands.Execute(...) external/com_github_google_subcommands/subcommands.go:481 gvisor.dev/gvisor/runsc/cli.Main() runsc/cli/main.go:216 +0x210f main.main() runsc/main.go:31 +0x1d