panic: nested locking: kernfs.filesystemRWMutex: goroutine 303135 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).RLock(0xc000400690) bazel-out/aarch64-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:59 +0x44 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).InotifyWithParent(0xc0035a82d0, {0x867238, 0xc00787b500}, 0x10, 0x0?, 0xe8?) pkg/sentry/fsimpl/kernfs/kernfs.go:517 +0x78 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 +0xbc gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc007d0cc00, 0xc0017be938) bazel-out/aarch64-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x58 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc007d0cc00, {0x867238, 0xc00787b500}) pkg/sentry/vfs/file_description.go:161 +0x64 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SafeDecRefFD(0xc0004003c0, {0x867238, 0xc00787b500}, 0xc007d0cc00) pkg/sentry/fsimpl/kernfs/kernfs.go:153 +0xb0 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*fdSymlink).Getlink(0xc009cb9980, {0x867238, 0xc00787b500}, 0xc007f319e0?) pkg/sentry/fsimpl/proc/task_fds.go:241 +0x128 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc0017bec88?, {0x867238, 0xc00787b500}, 0xc008e5f680, 0xc007f318c0) pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x410 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc000400410?, {0x867238, 0xc00787b500}, 0xc008e5f680) pkg/sentry/fsimpl/kernfs/filesystem.go:160 +0xb0 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc0004003c0, {0x867238, 0xc00787b500}, 0xc008e5f680, {0x20002, 0x0, 0x0}) pkg/sentry/fsimpl/kernfs/filesystem.go:481 +0x130 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0030d1980?, {0x867238, 0xc00787b500}, 0x0?, 0xc0017bf3e8, 0xc0017bf2e0) pkg/sentry/vfs/vfs.go:436 +0x3a8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc00787b500, 0x1?, 0xc0017bf4b8?, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x1ac gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc00787b500?, {{0xffffffffffffff9c}, {0xf1784736cb10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x40 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00787b500, 0x38, {{0xffffffffffffff9c}, {0xf1784736cb10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/kernel/task_syscall.go:142 +0x6d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00787b500, 0x1232d4c?, {{0xffffffffffffff9c}, {0xf1784736cb10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0017bfb58?, 0x129b118?, {{0xffffffffffffff9c}, {0xf1784736cb10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/kernel/task_syscall.go:282 +0x7c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00787b500) pkg/sentry/kernel/task_syscall.go:257 +0x3c0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00787b500?, 0xc00787b500) pkg/sentry/kernel/task_run.go:259 +0x1320 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00787b500, 0xc65a) pkg/sentry/kernel/task_run.go:94 +0x2bc created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x184