Re: [syzbot] [hfs?] KASAN: slab-out-of-bounds Write in hfs_bnode_read

From: syzbot
Date: Wed Nov 27 2024 - 09:15:07 EST


Hello,

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

Reported-by: syzbot+c6811fc2262cec1e6266@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+c6811fc2262cec1e6266@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: b46eb5a1 hfs: check key length before reading
git tree: https://github.com/ea1davis/linux hfs/syz
console output: https://syzkaller.appspot.com/x/log.txt?x=16a943c0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=e4d3ea4873b22763
dashboard link: https://syzkaller.appspot.com/bug?extid=c6811fc2262cec1e6266
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

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