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

From: syzbot
Date: Tue Feb 27 2024 - 06:50:14 EST


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:

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

For information about bisection process see: https://goo.gl/tpsmEJ#bisection