linux-kernel - Re: [syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in bch2_stripe_to

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Message-ID: <66f62dc5.050a0220.46d20.000b.GAE@google.com>
Date: Thu, 26 Sep 2024 21:00:05 -0700
From: syzbot <syzbot+f8c98a50c323635be65d@...kaller.appspotmail.com>
To: kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	zhaomzhao@....com
Subject: Re: [syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in bch2_stripe_to_text

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
BUG: Bad rss-counter state

BUG: Bad rss-counter state mm:ffff8880121d0980 type:MM_SWAPENTS val:2

Tested on:

commit:         1ec6d097 Merge tag 's390-6.12-1' of git://git.kernel.o..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=136e4507980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6265dd30e362bb47
dashboard link: https://syzkaller.appspot.com/bug?extid=f8c98a50c323635be65d
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13564507980000