Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in lookup_noperm_common

From: syzbot

Date: Sat Aug 01 2026 - 06:52:09 EST


Hello,

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

Reported-by: syzbot+23ad911c819b923238b7@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+23ad911c819b923238b7@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 02dc699f Merge tag 'kbuild-fixes-7.2-1' of git://git.k..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14c3ce32580000
kernel config: https://syzkaller.appspot.com/x/.config?x=abdd1c3924a3d690
dashboard link: https://syzkaller.appspot.com/bug?extid=23ad911c819b923238b7
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=13290649580000

Note: testing is done by a robot and is best-effort only.