Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in mas_walk

From: syzbot

Date: Thu Feb 12 2026 - 23:42:13 EST


Hello,

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

Reported-by: syzbot+54245a237762e7cbecf0@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+54245a237762e7cbecf0@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: cee73b1e Merge tag 'riscv-for-linus-7.0-mw1' of git://..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10477a52580000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe62ec9519bfdb19
dashboard link: https://syzkaller.appspot.com/bug?extid=54245a237762e7cbecf0
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
patch: https://syzkaller.appspot.com/x/patch.diff?x=160a2eef980000

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