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From: Kees Cook <keescook@chromium.org>
To: syzbot <syzbot+510dcbdc6befa1e6b2f6@syzkaller.appspotmail.com>
Cc: chandan.babu@oracle.com, david@fromorbit.com, djwong@kernel.org,
	ebiggers@kernel.org, hch@lst.de, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
	mukattreyee@gmail.com, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [xfs?] UBSAN: array-index-out-of-bounds in xfs_attr3_leaf_add_work
Date: Sat, 30 Sep 2023 13:35:32 -0700	[thread overview]
Message-ID: <202309301334.FA4D7752@keescook> (raw)
In-Reply-To: <0000000000003c16100606974653@google.com>

On Sat, Sep 30, 2023 at 10:57:28AM -0700, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit a49bbce58ea90b14d4cb1d00681023a8606955f2
> Author: Darrick J. Wong <djwong@kernel.org>
> Date:   Mon Jul 10 16:12:20 2023 +0000
> 
>     xfs: convert flex-array declarations in xfs attr leaf blocks
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12eef28a680000
> start commit:   f8566aa4f176 Merge tag 'x86-urgent-2023-07-01' of git://gi..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3f27fb02fc20d955
> dashboard link: https://syzkaller.appspot.com/bug?extid=510dcbdc6befa1e6b2f6
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1652938f280000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14c10c40a80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Yup, that tracks. :)

#syz fix: xfs: convert flex-array declarations in xfs attr leaf blocks

-Kees

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

-- 
Kees Cook

      reply	other threads:[~2023-09-30 20:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-17 11:22 [syzbot] [xfs?] UBSAN: array-index-out-of-bounds in xfs_attr3_leaf_add_work syzbot
2023-06-19  2:02 ` Dave Chinner
2023-06-21  8:05   ` Eric Biggers
2023-06-22  9:51     ` Dave Chinner
2023-06-23  1:35       ` Eric Biggers
2023-09-30 17:57 ` syzbot
2023-09-30 20:35   ` Kees Cook [this message]

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