panic: nested locking: kernfs.filesystemRWMutex: goroutine 55020 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).RLock(0xc00089a050) bazel-out/aarch64-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:59 +0x50 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).InotifyWithParent(0xc000466750, {0x7abd68, 0xc005ab0000}, 0x10, 0x0?, 0x94?) pkg/sentry/fsimpl/kernfs/kernfs.go:540 +0xe8 gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).InotifyWithParent(0xc000466750, {0x7abd68, 0xc005ab0000}, 0x1576e04?, 0x0?, 0x80?) pkg/sentry/vfs/dentry.go:188 +0x84 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:167 +0x108 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00209dc30, 0xc00194a7a8) bazel-out/aarch64-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:132 +0xa0 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00209dc30, {0x7abd68, 0xc005ab0000}) pkg/sentry/vfs/file_description.go:161 +0x74 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SafeDecRefFD(0xc000ab6000, {0x7abd68, 0xc005ab0000}, 0xc00209dc30) pkg/sentry/fsimpl/kernfs/kernfs.go:154 +0x10c gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*fdSymlink).Getlink(0xc006490780, {0x7abd68, 0xc005ab0000}, 0x1?) pkg/sentry/fsimpl/proc/task_fds.go:244 +0x178 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc006062000?, {0x7abd68, 0xc005ab0000}, 0xc006062000, 0xc002f15170) pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x528 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc000ab6050?, {0x7abd68, 0xc005ab0000}, 0xc006062000) pkg/sentry/fsimpl/kernfs/filesystem.go:163 +0xfc gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc000ab6000, {0x7abd68, 0xc005ab0000}, 0xc006062000, {0x20000, 0x0, 0x0}) pkg/sentry/fsimpl/kernfs/filesystem.go:486 +0xf8 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0050a0a40?, {0x7abd68, 0xc005ab0000}, 0x5d48c?, 0xc00194b3c8, 0xc00194b280) pkg/sentry/vfs/vfs.go:475 +0x4f4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc005ab0000, 0x12c7098?, 0xc00194b498?, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x238 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc00194b578?, 0x12be6f4?, {{0xffffffffffffff9c}, {0xe69ccbb709f0}, {0x0}, {0x0}, {0x0}, {0x8080808080808080}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0xb0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005ab0000, 0x38, {{0xffffffffffffff9c}, {0xe69ccbb709f0}, {0x0}, {0x0}, {0x0}, {0x8080808080808080}}) pkg/sentry/kernel/task_syscall.go:142 +0x81c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005ab0000, 0x1?, {{0xffffffffffffff9c}, {0xe69ccbb709f0}, {0x0}, {0x0}, {0x0}, {0x8080808080808080}}) pkg/sentry/kernel/task_syscall.go:322 +0x60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005ab0000?, 0x38?, {{0xffffffffffffff9c}, {0xe69ccbb709f0}, {0x0}, {0x0}, {0x0}, {0x8080808080808080}}) pkg/sentry/kernel/task_syscall.go:282 +0xa8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005ab0000) pkg/sentry/kernel/task_syscall.go:257 +0x474 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005ab0000?, 0xc005ab0000) pkg/sentry/kernel/task_run.go:269 +0x18e4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005ab0000, 0xb30) pkg/sentry/kernel/task_run.go:98 +0x28c created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 55252 pkg/sentry/kernel/task_start.go:392 +0x1a8