Re: [syzbot] [trace?] KASAN: slab-use-after-free Read in __free_filter

From: syzbot
Date: Tue Jun 24 2025 - 04:47:10 EST


Hello,

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

Reported-by: syzbot+daba72c4af9915e9c894@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+daba72c4af9915e9c894@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 78f4e737 Merge tag 'for-6.16/dm-fixes' of git://git.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=149eedd4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=4ad206eb0100c6a2
dashboard link: https://syzkaller.appspot.com/bug?extid=daba72c4af9915e9c894
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=12ceedd4580000

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