Hello,
syzbot has tested the proposed patch and the reproducer did not trigger
crash:
Reported-and-tested-by:
[email protected]
Tested on:
commit: 37ea7b630ae5 debugfs: debugfs_lookup() should return NULL ..
git tree:
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
driver-core-linus
kernel config: https://syzkaller.appspot.com/x/.config?x=a04dcc98f2be2fd8
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
patch: https://syzkaller.appspot.com/x/patch.diff?x=16ecad28c00000
Note: testing is done by a robot and is best-effort only.