panic: nested locking: kernfs.filesystemRWMutex: goroutine 2706837 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).RLock(0xc000324190) 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(0xc0094f4ea0, {0x82f9b8, 0xc0086d0a80}, 0x8, 0x0?, 0x18?) 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(0xc00a3a5b30, 0xc007568880) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00a3a5b30, {0x82f9b8, 0xc0086d0a80}) pkg/sentry/vfs/file_description.go:161 +0x6f gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SafeDecRefFD(0xc000324640, {0x82f9b8, 0xc0086d0a80}, 0xc00a3a5b30) pkg/sentry/fsimpl/kernfs/kernfs.go:153 +0xba gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*fdSymlink).Getlink(0xc008723180, {0x82f9b8, 0xc0086d0a80}, 0xc007bd2900?) pkg/sentry/fsimpl/proc/task_fds.go:242 +0x1ba gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0x12a9039?, {0x82f9b8, 0xc0086d0a80}, 0xc007f19680, 0xc008ff6870) pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x5a3 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc000324690?, {0x82f9b8, 0xc0086d0a80}, 0xc007f19680) pkg/sentry/fsimpl/kernfs/filesystem.go:160 +0xdf gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc000324640, {0x82f9b8, 0xc0086d0a80}, 0xc007f19680, {0x8002, 0x0, 0x0}) pkg/sentry/fsimpl/kernfs/filesystem.go:483 +0x1c5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc008c33080?, {0x82f9b8, 0xc0086d0a80}, 0xc0001fa000?, 0xc0036df370, 0xc007569268) pkg/sentry/vfs/vfs.go:454 +0x517 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc0086d0a80, 0x1?, 0x12d3705?, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x2b2 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc0086d0a80?, 0xc000f2f380?, {{0xffffff9c}, {0x7fed4df3a0d0}, {0x2}, {0x0}, {0x0}, {0x7fed4df39f50}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x45 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0086d0a80, 0x101, {{0xffffff9c}, {0x7fed4df3a0d0}, {0x2}, {0x0}, {0x0}, {0x7fed4df39f50}}) pkg/sentry/kernel/task_syscall.go:142 +0x9c2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0086d0a80, 0x0?, {{0xffffff9c}, {0x7fed4df3a0d0}, {0x2}, {0x0}, {0x0}, {0x7fed4df39f50}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003ea71e0?, 0xc00624f3b0?, {{0xffffff9c}, {0x7fed4df3a0d0}, {0x2}, {0x0}, {0x0}, {0x7fed4df39f50}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0086d0a80) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0086d0a80?, 0xc0086d0a80) pkg/sentry/kernel/task_run.go:269 +0x1d4b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0086d0a80, 0xae8a) pkg/sentry/kernel/task_run.go:98 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1ad