panic: WARNING: circular locking detected: kernel.taskMutex -> mm.mappingRWMutex: goroutine 85441 [running]: gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc00471d05c) bazel-out/k8-fastbuild/bin/pkg/sentry/mm/mapping_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc00471d008, {0x1fced40, 0xc0018ff208}, {0x3b57f57?, 0x3b57f57?}, {0x58?, 0x66?, 0x66?}, 0x0, 0xc000d54fe8) pkg/sentry/mm/io.go:544 +0xf8 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn(0xc00471d008, {0x1fced40, 0xc0018ff208}, 0x20005600, {0xc0018ffd1c, 0x10, 0x90}, {0x10?, 0x51?}) pkg/sentry/mm/io.go:177 +0x26b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).CopyInBytes(0xc0018ff208, 0x20005600, {0xc0018ffd1c, 0x10, 0x90}) pkg/sentry/kernel/task_usermem.go:57 +0x8c gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1fbbd50, 0xc0018ff208}, 0xc0018ff208, 0x20005600, {0xc0018ffd1c, 0x10, 0x90}) pkg/sentry/kernel/task_usermem.go:264 +0x98 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1fbbd50, 0xc0018ff208}, 0xc0018ff208, 0x20005600, 0x2) 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(0xc0018ff208, {{0x1fbbdb0, 0xc005556120}, 0x20005600, 0x2, {0x1fbbdb0, 0xc005556140}, 0x20005440, 0x2}) pkg/sentry/syscalls/linux/sys_process_vm.go:151 +0x99 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMOp.func1(0xc00417ef20?) pkg/sentry/syscalls/linux/sys_process_vm.go:127 +0x112 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).WithMuLocked(0xc00417e588, 0xc000d555b0) pkg/sentry/kernel/task.go:809 +0x54 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMOp(0xc0018ff208, {{0x58}, {0x20005440}, {0x2}, {0x20005600}, {0x2}, {0x0}}, 0x0) pkg/sentry/syscalls/linux/sys_process_vm.go:122 +0x7da gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMReadv(0xc0018ff208, 0x0?, {{0x58}, {0x20005440}, {0x2}, {0x20005600}, {0x2}, {0x0}}) pkg/sentry/syscalls/linux/sys_process_vm.go:38 +0x57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0018ff208, 0x136, {{0x58}, {0x20005440}, {0x2}, {0x20005600}, {0x2}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0018ff208, 0x136, {{0x58}, {0x20005440}, {0x2}, {0x20005600}, {0x2}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0018ff208, 0x136, {{0x58}, {0x20005440}, {0x2}, {0x20005600}, {0x2}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0018ff208) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0018ff208?, 0xc0018ff208) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0018ff208, 0x4608) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 85613 pkg/sentry/kernel/task_start.go:412 +0x165 known lock chain: mm.mappingRWMutex -> kernel.taskMutex ====== mm.mappingRWMutex -> kernel.taskMutex ===== goroutine 13269 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*taskMutex).Lock(0xc00481a9a0) bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/task_mutex.go:35 +0x3c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).contextValue(0xc00481a008, {0x1b1e6a0, 0x1fa0b80}, 0x0) pkg/sentry/kernel/task_context.go:96 +0x57e gvisor.dev/gvisor/pkg/sentry/kernel.(*taskAsyncContext).Value(0xc00239ab30, {0x1b1e6a0, 0x1fa0b80}) 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(0xc000a20080, {0x1fcedd0, 0xc00239ab30}) pkg/sentry/vfs/file_description.go:816 +0x77 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).appendVMAMapsEntryLocked(0xc0012be100?, {0x1fcedd0, 0xc00239ab30}, {0xc001f2f208?, 0xc000b379a8?}, 0xc000b37998) pkg/sentry/mm/procfs.go:129 +0x2a4 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).vmaSmapsEntryIntoLocked(0xc0012d0008, {0x1fcedd0, 0xc00239ab30}, {0xc001f2f208?, 0xc007e4cf20?}, 0xc0012be100) pkg/sentry/mm/procfs.go:160 +0xd6 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).ReadSmapsDataInto(0xc0012d0008, {0x1fcedd0, 0xc00239ab30}, 0xc0012be100) pkg/sentry/mm/procfs.go:141 +0x173 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*smapsData).Generate(0xc0017d6008, {0x1fcedd0, 0xc00239ab30}, 0xc0012be100) pkg/sentry/fsimpl/proc/task_files.go:632 +0x6f gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc0012be0e0, {0x1fcedd0, 0xc00239ab30}, {{0x1fc59f8, 0xc0012d0008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:310 +0x195 gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).PRead(0xc0012be0e0, {0x1fcedd0, 0xc00239ab30}, {{0x1fc59f8, 0xc0012d0008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description_impl_util.go:329 +0xc7 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).PRead(0xc0012be0e0, {0x1fcedd0, 0xc00239ab30}, {{0x1fc59f8, 0xc0012d0008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:133 +0xa6 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PRead(0xc0012be140, {0x1fcedd0, 0xc00239ab30}, {{0x1fc59f8, 0xc0012d0008}, {0x0, 0x1, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:636 +0x18a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.submitCallback.getAIOCallback.func1({0x1fcedd0, 0xc00239ab30}) 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 13198 pkg/sentry/kernel/aio.go:29 +0x1f5