linux-kernel - Re: [syzbot] [bcachefs?] KASAN: slab-use-after-free Read in bch2_sb_errors_from

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Date: Tue, 25 Jun 2024 12:27:04 -0700
From: syzbot <syzbot+a2bc0e838efd7663f4d9@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, peili.dev@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] KASAN: slab-use-after-free Read in bch2_sb_errors_from_cpu

Hello,

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

fs/bcachefs/sb-errors.c:119:36: error: implicit declaration of function 'ch2_sb_field_errors_u64s'; did you mean 'bch2_sb_field_errors_u64s'? [-Werror=implicit-function-declaration]

Tested on:

commit:         55027e68 Merge tag 'input-for-v6.10-rc5' of git://git...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=c3820d4fff43c7a3
dashboard link: https://syzkaller.appspot.com/bug?extid=a2bc0e838efd7663f4d9
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=10379501980000