linux-kernel - Re: [syzbot] [gfs2?] UBSAN: shift-out-of-bounds in gfs2_dir

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Message-ID: <68766483.a00a0220.3af5df.0006.GAE@google.com>
Date: Tue, 15 Jul 2025 07:24:03 -0700
From: syzbot <syzbot+4708579bb230a0582a57@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, purvayeshi550@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [gfs2?] UBSAN: shift-out-of-bounds in gfs2_dir_read (2)

Hello,

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

fs/gfs2/ops_fstype.c:283:11: error: use of undeclared identifier 'EFSCORRUPTED'

Tested on:

commit:         155a3c00 Merge tag 'for-6.16/dm-fixes-2' of git://git...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f62a2ef17395702a
dashboard link: https://syzkaller.appspot.com/bug?extid=4708579bb230a0582a57
compiler:       Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
patch:          https://syzkaller.appspot.com/x/patch.diff?x=160208f0580000