linux-kernel - Re: [syzbot] [bcachefs?] KASAN: slab-out-of-bounds Read in bch2_sb_members_v2_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <68405256.a00a0220.d8eae.008a.GAE@google.com>
Date: Wed, 04 Jun 2025 07:04:06 -0700
From: syzbot <syzbot+5138f00559ffb3cb3610@...kaller.appspotmail.com>
To: abhinav.ogl@...il.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] KASAN: slab-out-of-bounds Read in bch2_sb_members_v2_to_text

Hello,

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

fs/bcachefs/sb-members.c:68:44: error: no member named 'size' in 'struct bch_sb_field'


Tested on:

commit:         911483b2 Add linux-next specific files for 20250604
git tree:       linux-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=e7902c752bef748
dashboard link: https://syzkaller.appspot.com/bug?extid=5138f00559ffb3cb3610
compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
patch:          https://syzkaller.appspot.com/x/patch.diff?x=17ac940c580000