Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in nci_cmd_timer

From: syzbot
Date: Wed Nov 16 2022 - 13:17:45 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+10257d01dd285b15170a@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 1c96c97c nfc/nci: fix race with opening and closing
git tree: https://github.com/f0rm2l1n/linux-fix.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=16b3ea01880000
kernel config: https://syzkaller.appspot.com/x/.config?x=c42faa14acb6dc7f
dashboard link: https://syzkaller.appspot.com/bug?extid=10257d01dd285b15170a
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.