panic: WARNING: circular locking detected: tmpfs.inodeMutex -> mm.mappingRWMutex: goroutine 170131 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000307df0, 0xc000948a68) bazel-out/k8-fastbuild/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x1ea gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000307b00, 0xc000307dd0, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:112 +0x4a5 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000307b00, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:144 +0x2ec gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc00960b05c) bazel-out/k8-fastbuild/bin/pkg/sentry/mm/mapping_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc00960b008, {0x1f8db60, 0xc009adcc88}, {0xc000948e58?, 0x41209e?}, {0x88?, 0xd7?, 0x5?}, 0x0, 0xc000949018) pkg/sentry/mm/io.go:544 +0xf8 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc00960b008, {0x1f8db60, 0xc009adcc88}, {0x0?, 0xc000948f90?, 0x7fb46b16ca68?, 0x18?}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/io.go:606 +0x6e5 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc00960b008, {0x1f8db60, 0xc009adcc88}, {0x0?, 0x0?, 0x0?, 0x484ca9?}, {0x1f6a5a0, 0xc016891158}, {0x0, ...}) pkg/sentry/mm/io.go:324 +0x23a gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyInTo(...) pkg/usermem/usermem.go:516 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).pwrite(0xc01303c880, {0x1f8db60, 0xc009adcc88}, {{0x1f845d8, 0xc00960b008}, {0x0, 0x1, 0x0, 0x64}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:553 +0x911 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Write(0xc01303c880, {0x1f8db60, 0xc009adcc88}, {{0x1f845d8, 0xc00960b008}, {0x0, 0x1, 0x0, 0x64}, {0x0, ...}}, ...) pkg/sentry/fsimpl/tmpfs/regular_file.go:570 +0x115 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc01303c880, {0x1f8db60, 0xc009adcc88}, {{0x1f845d8, 0xc00960b008}, {0x0, 0x1, 0x0, 0x64}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x119 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc009adcc88, 0xc01303c880, {{0x1f845d8, 0xc00960b008}, {0x0, 0x1, 0x0, 0x64}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x91 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc009adcc88, 0x0?, {{0x4}, {0x0}, {0x64}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x2b2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009adcc88, 0x1, {{0x4}, {0x0}, {0x64}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009adcc88, 0x1, {{0x4}, {0x0}, {0x64}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc009adcc88, 0x1, {{0x4}, {0x0}, {0x64}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009adcc88) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc009adcc88?, 0xc009adcc88) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009adcc88, 0xca97) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 170147 pkg/sentry/kernel/task_start.go:400 +0x165 known lock chain: mm.mappingRWMutex -> tmpfs.filesystemRWMutex -> tmpfs.inodeMutex ====== mm.mappingRWMutex -> tmpfs.filesystemRWMutex ===== goroutine 974 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0008ae3a8) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).StatAt(0xc0008ae340, {0x1f8dd10, 0xc00051f2f0}, 0xc001dfbb08, {0x1?, 0x0?}) pkg/sentry/fsimpl/tmpfs/filesystem.go:760 +0x97 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Stat(0xc002690a10, {0x1f8dd10, 0xc00051f2f0}, {0x8?, 0x0?}) pkg/sentry/vfs/file_description.go:540 +0x2f6 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DeviceID(0xc002690a10) pkg/sentry/vfs/file_description.go:823 +0x73 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0x483079?, {0x1f8dd10, 0xc00051f2f0}, {0xc00232e008?, 0xcc230a?}, 0xc000e23310) pkg/sentry/mm/procfs.go:118 +0x14b gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaMapsEntryLocked(0xc0010a9008, {0x1f8dd10, 0xc00051f2f0}, {0xc00232e008?, 0x0?}) pkg/sentry/mm/procfs.go:104 +0xfb gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).DebugString(0xc0010a9008, {0x1f8dd10, 0xc00051f2f0}) pkg/sentry/mm/debug.go:49 +0x1f1 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).String(0xc0010a9008) pkg/sentry/mm/debug.go:38 +0x54 fmt.(*pp).handleMethods(0xc001dfd520, 0x73) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:673 +0x6eb fmt.(*pp).printArg(0xc001dfd520, {0x1d3a9a0, 0xc0010a9008}, 0x73) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:756 +0xb4c fmt.(*pp).doPrintf(0xc001dfd520, {0xc0003f5bc0, 0x24}, {0xc002580300, 0x1, 0x1}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/fmt/print.go:1074 +0x5d0 fmt.Sprintf({0xc0003f5bc0, 0x24}, {0xc002580300, 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({0xc0003c8197?}, 0x3, 0x2, {0x2b94908?, 0x484ca9?, 0x2b98300?}, {0xc0003f5bc0, 0x24}, {0xc002580300, 0x1, ...}) pkg/log/glog.go:82 +0x265 gvisor.dev/gvisor/pkg/log.(*BasicLogger).DebugfAtDepth(0xc0003c8180, 0x2, {0xc0003f5bc0, 0x24}, {0xc002580300, 0x1, 0x1}) pkg/log/log.go:220 +0x104 gvisor.dev/gvisor/pkg/log.DebugfAtDepth(0x1, {0xc0003f5bc0, 0x24}, {0xc002580300, 0x1, 0x1}) pkg/log/log.go:295 +0x79 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Debugf(0xc001b49908, {0x1d4e297, 0xc}, {0xc002580300, 0x1, 0x1}) pkg/sentry/kernel/task_log.go:54 +0xad gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).DebugDumpState(0xc001b49908) pkg/sentry/kernel/task_log.go:71 +0xdd gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001b49908?, 0xc001b49908) pkg/sentry/kernel/task_run.go:313 +0x1e32 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001b49908, 0x44) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 836 pkg/sentry/kernel/task_start.go:400 +0x165 ====== tmpfs.filesystemRWMutex -> tmpfs.inodeMutex ===== goroutine 1 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inodeMutex).Lock(0xc0008a6c88) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/inode_mutex.go:33 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inode).touchCMtime(0xc0008a6c58) pkg/sentry/fsimpl/tmpfs/tmpfs.go:824 +0x7a gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).doCreateAt(0xc0008ae340, {0x1f8de30, 0xc000251260}, 0xc00024ed88, 0x0, 0xc000761c18) pkg/sentry/fsimpl/tmpfs/filesystem.go:219 +0x525 gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).SymlinkAt(0xc0008ae340, {0x1f8de30, 0xc000251260}, 0xc00024ed88, {0x1d4f3f8, 0xd}) pkg/sentry/fsimpl/tmpfs/filesystem.go:783 +0xe5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SymlinkAt(0xc00027d1e0, {0x1f8de30, 0xc000251260}, 0xc000651260, 0xc000761e00, {0x1d4f3f8, 0xd}) pkg/sentry/vfs/vfs.go:695 +0x22a gvisor.dev/gvisor/pkg/sentry/fsimpl/dev.userspaceInit({0x1f8de30, 0xc000251260}, 0xc00027d1e0, 0xc000651260, {0xc000252e70?, 0xc0008a6c08?}, 0x0) pkg/sentry/fsimpl/dev/dev.go:164 +0x445 gvisor.dev/gvisor/pkg/sentry/fsimpl/dev.FilesystemType.GetFilesystem({}, {0x1f8de30, 0xc000251260}, 0xc00027d1e0, 0xc000651260, {0x0, 0x0}, {0x1, {0x0, 0x0}, ...}) pkg/sentry/fsimpl/dev/dev.go:60 +0x33d gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).NewFilesystem(0xc00027d1e0, {0x1f8de30, 0xc000251260}, 0xc000651260, {0x0, 0x0}, {0x1d45a3d, 0x3}, 0xc0008a1a00) pkg/sentry/vfs/mount.go:252 +0x198 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountDisconnected(0xc00027d1e0, {0x1f8de30, 0xc000251260}, 0xc000651260, {0x0, 0x0}, {0x1d45a3d, 0x3}, 0xc0008a1a00) pkg/sentry/vfs/mount.go:271 +0xa5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc00027d1e0, {0x1f8de30, 0xc000251260}, 0xc000651260, {0x0, 0x0}, 0xc0007624f8, {0x1d45a3d, 0x3}, 0xc0008a1a00) pkg/sentry/vfs/mount.go:632 +0xd1 gvisor.dev/gvisor/runsc/boot.(*containerMounter).mountSubmount(0xc00057edd0, {0x1f8de30, 0xc000251260}, 0xc00038e1b0, 0xc0003fe608, 0xc000598690, 0xc000651260, 0xc0003f63e8) runsc/boot/vfs.go:850 +0xb31 gvisor.dev/gvisor/runsc/boot.(*containerMounter).mountSubmounts(0xc00057edd0, {0x1f8de30, 0xc000251260}, 0xc00038e1b0, 0xc0003fe608, 0xc000598690, 0xc000651260) runsc/boot/vfs.go:739 +0x9ed gvisor.dev/gvisor/runsc/boot.(*containerMounter).mountAll(0xc00057edd0, {0x1f8de30, 0xc000251260}, 0xc000651260, 0xc00038e1b0, 0xc0003fe608, 0xc00057eea0) runsc/boot/vfs.go:468 +0x530 gvisor.dev/gvisor/runsc/boot.setupContainerVFS({0x1f8de30, 0xc000250ea0}, 0xc000040a18, 0xc00057edd0, 0xc000040a48) runsc/boot/vfs.go:177 +0x4ee gvisor.dev/gvisor/runsc/boot.(*Loader).createContainerProcess(0xc000040a08, 0xc000040a18) runsc/boot/loader.go:1159 +0xb1b gvisor.dev/gvisor/runsc/boot.(*Loader).run(0xc000040a08) runsc/boot/loader.go:917 +0x345 gvisor.dev/gvisor/runsc/boot.(*Loader).Run(0xc000040a08) runsc/boot/loader.go:865 +0x2f gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc000470fc0, {0xc000230128?, 0x13?}, 0xc0002c1960, {0xc0002502e0, 0x2, 0xc0002502e0?}) runsc/cmd/boot.go:564 +0x3545 github.com/google/subcommands.(*Commander).Execute(0xc000260000, {0x1f7d230, 0x3af8e60}, {0xc0002502e0, 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 +0x212f main.main() runsc/main.go:31 +0x1d