Re: [syzbot] [reiserfs?] BUG: unable to handle kernel paging request in reiserfs_readdir_inode

From: Jan Kara
Date: Thu Feb 15 2024 - 08:30:22 EST


On Thu 15-02-24 04:38:04, 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=14ffd320180000
> start commit: 534293368afa Merge tag 'kbuild-fixes-v6.3' of git://git.ke..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=9688428cfef5e8d5
> dashboard link: https://syzkaller.appspot.com/bug?extid=3f6ef04b7cf85153b528
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=138d82bac80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1123fed2c80000
>
> If the result looks correct, please mark the issue as fixed by replying with:

Frankly I don't see the reproducer doing anything suspicious but since we
have no reproducer and this is reiserfs:

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

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