syzbot suspects this issue was fixed by commit:
commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <[email protected]>
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=17547fd4180000
start commit: e42bebf6db29 Merge tag 'efi-fixes-for-v6.6-1' of git://git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=df91a3034fe3f122
dashboard link: https://syzkaller.appspot.com/bug?extid=9cf75dc581fb4307d6dd
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1374a174680000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12b12928680000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: fs: Block writes to mounted block devices
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
On Mon 12-02-24 16:24:03, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
>
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <[email protected]>
> 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=17547fd4180000
> start commit: e42bebf6db29 Merge tag 'efi-fixes-for-v6.6-1' of git://git..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=df91a3034fe3f122
> dashboard link: https://syzkaller.appspot.com/bug?extid=9cf75dc581fb4307d6dd
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1374a174680000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12b12928680000
>
> If the result looks correct, please mark the issue as fixed by replying with:
The reproducer definitely does weird stuff like mmapping the loop device.
So makes sense:
#syz fix: fs: Block writes to mounted block devices
Honza
--
Jan Kara <[email protected]>
SUSE Labs, CR