Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in ntfs_read_folio

[Jan Kara]

On Tue 27-02-24 03:50:04, 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=15a70f4a180000
> start commit:   ac865f00af29 Merge tag 'pci-v6.7-fixes-2' of git://git.ker..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=655f8abe9fe69b3b
> dashboard link: https://syzkaller.appspot.com/bug?extid=d3cd38158cd7c8d1432c
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12769ba5e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10c2b97ee80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

No working reproducer so:

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

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