linux-kernel - Re: [syzbot] [f2fs?] UBSAN: array-index-out-of-bounds in read_inline

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Message-ID: <676916a3.050a0220.2f3838.0017.GAE@google.com>
Date: Sun, 22 Dec 2024 23:52:03 -0800
From: syzbot <syzbot+69f5379a1717a0b982a1@...kaller.appspotmail.com>
To: chao@...nel.org, jaegeuk@...nel.org, 
	linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [f2fs?] UBSAN: array-index-out-of-bounds in read_inline_xattr

syzbot has bisected this issue to:

commit 388a2a0640e16a8887f0d47dab207f344fbdb913
Author: Chao Yu <chao@...nel.org>
Date:   Thu Jun 6 09:55:51 2024 +0000

    f2fs: remove redundant sanity check in sanity_check_inode()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14bffcf8580000
start commit:   bcde95ce32b6 Merge tag 'devicetree-fixes-for-6.13-1' of gi..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16bffcf8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=12bffcf8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1234f097ee657d8b
dashboard link: https://syzkaller.appspot.com/bug?extid=69f5379a1717a0b982a1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=112b98c4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16fd7cf8580000

Reported-by: syzbot+69f5379a1717a0b982a1@...kaller.appspotmail.com
Fixes: 388a2a0640e1 ("f2fs: remove redundant sanity check in sanity_check_inode()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection