linux-kernel - Re: [syzbot] KASAN: stack-out-of-bounds Read in xfs_buf_delwri_submit

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Date:   Mon, 12 Dec 2022 13:51:15 -0800
From:   syzbot <syzbot+d2cdeba65d32ed1d2c4d@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: stack-out-of-bounds Read in xfs_buf_delwri_submit_buffers

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4099 } 2665 jiffies s: 2737 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         631aa744 Merge tag 'x86-misc-2022-12-10' of git://git...
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=123cf493880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e34a07f2e864168c
dashboard link: https://syzkaller.appspot.com/bug?extid=d2cdeba65d32ed1d2c4d
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13bf14ed880000