Re: [syzbot] [reiserfs?] general protection fault in __fget_files (2)

From: Jan Kara
Date: Thu Feb 15 2024 - 04:38:45 EST


On Wed 14-02-24 21:14:05, 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=16fbb3dc180000
> start commit: f5837722ffec Merge tag 'mm-hotfixes-stable-2023-12-27-15-0..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=da1c95d4e55dda83
> dashboard link: https://syzkaller.appspot.com/bug?extid=63cebbb27f598a7f901b
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1230c7e9e80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=133d189ae80000
>
> If the result looks correct, please mark the issue as fixed by replying with:

Looks sensible.

#syz fix: fs: Block writes to mounted block devices

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