Re: [syzbot] [jfs?] UBSAN: array-index-out-of-bounds in diWrite

[Christian Brauner]

On Mon, Jan 15, 2024 at 02:42:28PM +0100, Jan Kara wrote:
> On Sat 13-01-24 23:18:05, syzbot wrote:
> > syzbot suspects this issue was fixed by commit:
> > 
> > commit 6f861765464f43a71462d52026fbddfc858239a5
> > Author: Jan Kara <jack@xxxxxxx>
> > Date:   Wed Nov 1 17:43:10 2023 +0000
> > 
> >     fs: Block writes to mounted block devices
> > 
> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17ec162be80000
> > start commit:   493ffd6605b2 Merge tag 'ucount-rlimits-cleanups-for-v5.19'..
> > git tree:       upstream
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901
> > dashboard link: https://syzkaller.appspot.com/bug?extid=c1056fdfe414463fdb33
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12f431d2880000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1208894a880000
> > 
> > If the result looks correct, please mark the issue as fixed by replying with:
> 
> Makes sense:
> 
> #syz fix: fs: Block writes to mounted block devices

I love how many things this closes. This is awesome!