Re: [syzbot] [reiserfs?] BUG: unable to handle kernel NULL pointer dereference in reiserfs_find_entry

From: Jan Kara
Date: Wed Jan 31 2024 - 12:19:30 EST


On Wed 31-01-24 08:52:05, 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=17e6fb5be80000
> start commit: 51f269a6ecc7 Merge tag 'probes-fixes-6.4-rc4' of git://git..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=162cf2103e4a7453
> dashboard link: https://syzkaller.appspot.com/bug?extid=4654552e088ed458b10d
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1177c895280000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f4b2a5280000
>
> 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

Honza
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR