syzbot

panic: WARNING: circular locking detected: vfs.inotifyEventMutex -> mm.activeRWMutex:
goroutine 276 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0xa0)
	pkg/log/log.go:316 +0x8d
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0001c3600, 0xc0001c3d00, {0xc000556f98, 0x1, 0x1})
	pkg/sync/locking/lockdep.go:56 +0x1f4
gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc0001c26a0, 0xc000758718)
	pkg/sync/locking/lockdep.go:76 +0x65
gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0001c2680, 0xc000758830)
	bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x226
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0001c3600, 0xc0001c2680, {0x0, 0x0, 0x0})
	pkg/sync/locking/lockdep.go:73 +0x46c
gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc0001c3600, 0x0)
	pkg/sync/locking/lockdep.go:107 +0x3ba
gvisor.dev/gvisor/pkg/sentry/mm.(*activeRWMutex).RLock(0xc000268860)
	bazel-out/k8-fastbuild-ST-a4501ad48192/bin/pkg/sentry/mm/active_mutex.go:46 +0x3f
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc000268000, {0x1b82090, 0xc000671500}, {0xc000729840, 0xc00072984f}, {0x10, 0x8c, 0x75}, 0x0, 0xc000758c38)
	pkg/sentry/mm/io.go:520 +0x90
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyOut(0xc000268000, {0x1b82090, 0xc000671500}, 0x200002c0, {0xc000981f70, 0x47141c, 0x10}, {0x1, 0x0})
	pkg/sentry/mm/io.go:120 +0x26c
gvisor.dev/gvisor/pkg/usermem.CopyOutVec({0x1b82090, 0xc000671500}, {0x1b75168, 0xc000268000}, {0xc000729840, 0x470e65, 0x92a8c5, 0x25ebfe0}, {0xc000981f70, 0x10, ...}, ...)
	pkg/usermem/usermem.go:263 +0x1ec
gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyOut(...)
	pkg/usermem/usermem.go:481
gvisor.dev/gvisor/pkg/sentry/vfs.(*Event).CopyTo(0xc00029e940, {0x1b82090, 0xc000671500}, {0xc000981f70, 0xc000744000, 0x25ebfe0}, {{0x1b75168, 0xc000268000}, {0xc000729840, 0x2, ...}, ...})
	pkg/sentry/vfs/inotify.go:698 +0x571
gvisor.dev/gvisor/pkg/sentry/vfs.(*Inotify).Read(0xc0005601c0, {0x1b82090, 0xc000671500}, {{0x1b75168, 0xc000268000}, {0xc000729840, 0x2, 0x0, 0x10}, {0x0, ...}}, ...)
	pkg/sentry/vfs/inotify.go:244 +0x509
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc0005601c0, {0x1b82090, 0xc000671500}, {{0x1b75168, 0xc000268000}, {0xc000729840, 0x2, 0x0, 0x10}, {0x0, ...}}, ...)
	pkg/sentry/vfs/file_description.go:634 +0x15e
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0x470e65, 0xc0005601c0, {{0x1b75168, 0xc000268000}, {0xc000729840, 0x2, 0x0, 0x10}, {0x0, 0x1}}, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Readv(0xc000671500, {{0x4}, {0x20000100}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/read_write.go:88 +0x2bc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000671500, 0x13, {{0x4}, {0x20000100}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9d8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000671500, 0x46f779, {{0x4}, {0x20000100}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x6a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0002e82d0, 0x46fc2c, {{0x4}, {0x20000100}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000671500)
	pkg/sentry/kernel/task_syscall.go:257 +0x3e7
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000671500, 0xc000671500)
	pkg/sentry/kernel/task_run.go:253 +0x16b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000671500, 0x1c)
	pkg/sentry/kernel/task_run.go:94 +0x35b
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:369 +0x1a9