panic: WARNING: circular locking detected: cgroupfs.pidsControllerMutex -> mm.mappingRWMutex:
goroutine 246743 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0xe0)
	pkg/log/log.go:316 +0xd3
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023f780, 0xc000404d00, {0xc004519528, 0x1, 0x1})
	pkg/sync/locking/lockdep.go:56 +0x225
gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000404620, 0xc000fbc7c8)
	pkg/sync/locking/lockdep.go:76 +0x7a
gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000404600, 0xc000fbc8e0)
	bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x334
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00023f780, 0xc000404600, {0x0, 0x0, 0x0})
	pkg/sync/locking/lockdep.go:73 +0x4aa
gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc00023f780, 0x0)
	pkg/sync/locking/lockdep.go:107 +0x33e
gvisor.dev/gvisor/pkg/sentry/mm.(*mappingRWMutex).RLock(0xc005bf8064)
	bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/mapping_mutex.go:46 +0x53
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc005bf8000, {0x1c0d050, 0xc002d8c000}, {0x64, 0xc2}, {0x2c, 0xfc, 0x46}, 0x0, 0xc000fbcc60)
	pkg/sentry/mm/io.go:530 +0x14b
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn(0xc005bf8000, {0x1c0d050, 0xc002d8c000}, 0x5e5b65, {0xc004144000, 0x0, 0x1000}, {0x59, 0x0})
	pkg/sentry/mm/io.go:163 +0x2c5
gvisor.dev/gvisor/pkg/usermem.CopyInVec({0x1c0d050, 0xc002d8c000}, {0x1c00888, 0xc005bf8000}, {0x0, 0x470e65, 0xdb2de5, 0x17e7c00}, {0xc004144000, 0x1000, ...}, ...)
	pkg/usermem/usermem.go:287 +0x276
gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyIn({{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, {0x0, 0x1}}, {0x1c0d050, 0xc002d8c000}, ...)
	pkg/usermem/usermem.go:491 +0xf9
gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsMaxData).Write(0xc004519408, {0x1c0d050, 0xc002d8c000}, 0xc003b32ad0, {{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, ...}, ...)
	pkg/sentry/fsimpl/cgroupfs/pids.go:276 +0x206
gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).pwriteLocked(0xc0048f49a0, {0x1c0d050, 0xc002d8c000}, {{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, {0x0, ...}}, ...)
	pkg/sentry/vfs/file_description_impl_util.go:381 +0x331
gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).Write(0xc0048f49a0, {0x1c0d050, 0xc002d8c000}, {{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, {0x0, ...}}, ...)
	pkg/sentry/vfs/file_description_impl_util.go:402 +0x136
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).Write(0xc0048f49a0, {0x1c0d050, 0xc002d8c000}, {{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, {0x0, ...}}, ...)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:125 +0xac
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0048f4a00, {0x1c0d050, 0xc002d8c000}, {{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, {0x0, ...}}, ...)
	pkg/sentry/vfs/file_description.go:665 +0x14c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0x0, 0x129ad80, {{0x1c00888, 0xc005bf8000}, {0x0, 0x1, 0x0, 0x3b}, {0x0, 0x1}}, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0xae
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc002d8c000, {{0x4}, {0x0}, {0x3b}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x36f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002d8c000, 0x1, {{0x4}, {0x0}, {0x3b}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xaf7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002d8c000, 0x1, {{0x4}, {0x0}, {0x3b}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0070ef4a0, 0x1, {{0x4}, {0x0}, {0x3b}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002d8c000)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c7
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002d8c000, 0xc002d8c000)
	pkg/sentry/kernel/task_run.go:253 +0x19fc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002d8c000, 0x17ab)
	pkg/sentry/kernel/task_run.go:94 +0x2d4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x1d1