Re: [syzbot] [reiserfs?] general protection fault in __hrtimer_run_queues (3)

From: Jan Kara
Date: Wed Jan 10 2024 - 05:27:57 EST


On Tue 09-01-24 20:52:03, 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=1730f285e80000
> start commit: e8f75c0270d9 Merge tag 'x86_sgx_for_v6.5' of git://git.ker..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=a98ec7f738e43bd4
> dashboard link: https://syzkaller.appspot.com/bug?extid=f13a9546e229c1a6e378
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1227af7b280000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13803daf280000
>
> If the result looks correct, please mark the issue as fixed by replying with:

Quite likely since that commit stops syzbot from corrupting filesystem
while it is mounted.

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

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