panic: WARNING: circular locking detected: kernel.taskMutex -> mm.mappingRWMutex: goroutine 64174 [running]: gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc004d3405c) bazel-out/k8-fastbuild/bin/pkg/sentry/mm/mapping_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc004d34008, {0x200a860, 0xc000518588}, {0x25fa8?, 0x1be35c0?}, {0x80?, 0xbf?, 0xc3?}, 0x0, 0xc000f70fe8) pkg/sentry/mm/io.go:545 +0xf8 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn(0xc004d34008, {0x200a860, 0xc000518588}, 0x2000000032c0, {0xc00051909c, 0x10, 0x90}, {0x10?, 0xf1?}) pkg/sentry/mm/io.go:178 +0x26b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).CopyInBytes(0xc000518588, 0x2000000032c0, {0xc00051909c, 0x10, 0x90}) pkg/sentry/kernel/task_usermem.go:57 +0x8c gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1ff73f0, 0xc000518588}, 0xc000518588, 0x2000000032c0, {0xc00051909c, 0x10, 0x90}) pkg/sentry/kernel/task_usermem.go:264 +0x98 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1ff73f0, 0xc000518588}, 0xc000518588, 0x2000000032c0, 0x5) pkg/sentry/kernel/task_usermem.go:234 +0x249 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).CopyInIovecsAsSlice(...) pkg/sentry/kernel/task_usermem.go:181 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMOpMaybeLocked(0xc000518588, {{0x1ff7450, 0xc0020cdce0}, 0x2000000032c0, 0x5, {0x1ff7450, 0xc0020cdd00}, 0x200000001040, 0x1}) pkg/sentry/syscalls/linux/sys_process_vm.go:151 +0x99 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMOp.func1(0xc0054d9620?) pkg/sentry/syscalls/linux/sys_process_vm.go:127 +0x112 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).WithMuLocked(0xc0054d8c88, 0xc001a7f5b0) pkg/sentry/kernel/task.go:809 +0x54 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMOp(0xc000518588, {{0x3a}, {0x200000001040}, {0x1}, {0x2000000032c0}, {0x5}, {0x0}}, 0x0) pkg/sentry/syscalls/linux/sys_process_vm.go:122 +0x7da gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMReadv(0xc000518588, 0x0?, {{0x3a}, {0x200000001040}, {0x1}, {0x2000000032c0}, {0x5}, {0x0}}) pkg/sentry/syscalls/linux/sys_process_vm.go:38 +0x57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000518588, 0x136, {{0x3a}, {0x200000001040}, {0x1}, {0x2000000032c0}, {0x5}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000518588, 0x136, {{0x3a}, {0x200000001040}, {0x1}, {0x2000000032c0}, {0x5}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000518588, 0x136, {{0x3a}, {0x200000001040}, {0x1}, {0x2000000032c0}, {0x5}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000518588) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000518588?, 0xc000518588) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000518588, 0x4408) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 64554 pkg/sentry/kernel/task_start.go:412 +0x165 known lock chain: mm.mappingRWMutex -> kernel.taskMutex ====== mm.mappingRWMutex -> kernel.taskMutex ===== goroutine 24123 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*taskMutex).Lock(0xc0041c4f20) bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/task_mutex.go:35 +0x3c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).contextValue(0xc0041c4588, {0x1b54820, 0x1fdbe00}, 0x0) pkg/sentry/kernel/task_context.go:96 +0x57e gvisor.dev/gvisor/pkg/sentry/kernel.(*taskAsyncContext).Value(0xc004c48830, {0x1b54820, 0x1fdbe00}) pkg/sentry/kernel/task_context.go:159 +0x54 gvisor.dev/gvisor/pkg/sentry/vfs.RootFromContext(...) pkg/sentry/vfs/context.go:88 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).MappedName(0xc000523480, {0x200a8f0, 0xc004c48830}) pkg/sentry/vfs/file_description.go:816 +0x77 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc004b2a05c?, {0x200a8f0, 0xc004c48830}, {0xc004b9f608?, 0x49544e?}, 0xc00605dab8) pkg/sentry/mm/procfs.go:129 +0x2a4 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadMapsDataInto(0xc004b2a008, {0x200a8f0, 0xc004c48830}, 0xc00605dab8) pkg/sentry/mm/procfs.go:85 +0x187 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*mapsData).Generate(0xc00500e388, {0x200a8f0, 0xc004c48830}, 0xc000b5c9c0) pkg/sentry/fsimpl/proc/task_files.go:613 +0xaa gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc000b5c9a0, {0x200a8f0, 0xc004c48830}, {{0x2001258, 0xc004b2a008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:310 +0x195 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).PRead(0xc000b5c9a0, {0x200a8f0, 0xc004c48830}, {{0x2001258, 0xc004b2a008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:329 +0xc7 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).PRead(0xc000b5c9a0, {0x200a8f0, 0xc004c48830}, {{0x2001258, 0xc004b2a008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:133 +0xa6 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PRead(0xc000b5ca00, {0x200a8f0, 0xc004c48830}, {{0x2001258, 0xc004b2a008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:636 +0x18a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.submitCallback.getAIOCallback.func1({0x200a8f0, 0xc004c48830}) pkg/sentry/syscalls/linux/sys_aio.go:361 +0x395 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).QueueAIO.func1() pkg/sentry/kernel/aio.go:30 +0x50 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).QueueAIO in goroutine 24048 pkg/sentry/kernel/aio.go:29 +0x1f5