panic: nested locking: kernfs.filesystemRWMutex:
goroutine 1985405 [running]:
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).RLock(0xc00036c230)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:59 +0x45
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).InotifyWithParent(0xc0030d70e0, {0x830778, 0xc00553a000}, 0x8, 0x0?, 0x0?)
	pkg/sentry/fsimpl/kernfs/kernfs.go:517 +0xa8
gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).InotifyWithParent(...)
	pkg/sentry/vfs/dentry.go:187
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1()
	pkg/sentry/vfs/file_description.go:167 +0xdf
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc000d5fbc0, 0xc007d8e970)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x5f
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc000d5fbc0, {0x830778, 0xc00553a000})
	pkg/sentry/vfs/file_description.go:161 +0x6f
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SafeDecRefFD(0xc00036cb40, {0x830778, 0xc00553a000}, 0xc000d5fbc0)
	pkg/sentry/fsimpl/kernfs/kernfs.go:153 +0xba
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.taskFDExists({0x830778, 0xc00553a000}, 0xc00036cb40, 0x416d0001?, 0x0?)
	pkg/sentry/fsimpl/proc/task_fds.go:50 +0x69
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*fdSymlink).Valid(0xc001516180, {0x830778, 0xc00553a000})
	pkg/sentry/fsimpl/proc/task_fds.go:246 +0x9a
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0x303e80?, {0x830778, 0xc00553a000}, 0x1?, 0xc004f91e60, {0xc0086a9a0e, 0x1}, 0xc004f91ef0)
	pkg/sentry/fsimpl/kernfs/filesystem.go:115 +0xaa
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0x1248e39?, {0x830778, 0xc00553a000}, 0xc001ce6d80, 0xc004f91e60)
	pkg/sentry/fsimpl/kernfs/filesystem.go:75 +0x3ea
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc00036cb90?, {0x830778, 0xc00553a000}, 0xc001ce6d80)
	pkg/sentry/fsimpl/kernfs/filesystem.go:160 +0xd8
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc00036cb40, {0x830778, 0xc00553a000}, 0xc001ce6d80, {0x8002, 0x0, 0x0})
	pkg/sentry/fsimpl/kernfs/filesystem.go:481 +0x1c5
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00658b480?, {0x830778, 0xc00553a000}, 0xc000232900?, 0xc007d8f3f0, 0xc007d8f2e8)
	pkg/sentry/vfs/vfs.go:436 +0x4f3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc00553a000, 0x1?, 0x12715e5?, 0x2, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:112 +0x2b1
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc00553a000?, {{0xffffff9c}, {0x7f2315b6f0d0}, {0x2}, {0x0}, {0x0}, {0x7f2315b6ef50}})
	pkg/sentry/syscalls/linux/sys_file.go:91 +0x45
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00553a000, 0x101, {{0xffffff9c}, {0x7f2315b6f0d0}, {0x2}, {0x0}, {0x0}, {0x7f2315b6ef50}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00553a000, 0x0?, {{0xffffff9c}, {0x7f2315b6f0d0}, {0x2}, {0x0}, {0x0}, {0x7f2315b6ef50}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00a0a6410?, 0xc008ab0690?, {{0xffffff9c}, {0x7f2315b6f0d0}, {0x2}, {0x0}, {0x0}, {0x7f2315b6ef50}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00553a000)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00553a000?, 0xc00553a000)
	pkg/sentry/kernel/task_run.go:259 +0x1b76
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00553a000, 0x4b2)
	pkg/sentry/kernel/task_run.go:94 +0x37b
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad