linux-kernel - Re: [syzbot] [bcachefs?] UBSAN: array-index-out-of-bounds in bch2_accounting

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Message-ID: <68910a3b.050a0220.7f033.0011.GAE@google.com>
Date: Mon, 04 Aug 2025 12:30:03 -0700
From: syzbot <syzbot+cd063f869beedf5b9cd7@...kaller.appspotmail.com>
To: kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, mmpgouride@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] UBSAN: array-index-out-of-bounds in bch2_accounting_validate

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch:
checking file fs/bcachefs/disk_accounting.c
checking file fs/bcachefs/sb-errors_format.h
Hunk #1 succeeded at 323 (offset -5 lines).
Hunk #2 FAILED at 337.
1 out of 2 hunks FAILED

Tested on:

commit:         35a813e0 Merge tag 'printk-for-6.17' of git://git.kern..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=cae1291240e8962a
dashboard link: https://syzkaller.appspot.com/bug?extid=cd063f869beedf5b9cd7
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=135082f0580000