Re: [syzbot] [reiserfs?] KASAN: vmalloc-out-of-bounds Read in cleanup_bitmap_list

Jan Kara <[email protected]> Mon, 12 Feb 2024 13:53:52 +0100

Newsgroups	org.kernel.vger.reiserfs-devel,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel
Message-ID	<20240212125352.tbaqzi7uphz66igg@quack3>

On Fri 09-02-24 18:39:03, 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=1257a6ec180000
> 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=f8e72bae38c079e4
> dashboard link: https://syzkaller.appspot.com/bug?extid=174ea873dedcd7fb6de3
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14db6ca1e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12159e5ee80000
> 
> 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 <[email protected]>
SUSE Labs, CR