Re: [syzbot] [udf?] KASAN: use-after-free Read in udf_finalize_lvid

From: syzbot
Date: Mon Mar 04 2024 - 16:27:36 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=1495d341180000
start commit: 861deac3b092 Linux 6.7-rc7
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=e1e118a9228c45d7
dashboard link: https://syzkaller.appspot.com/bug?extid=46073c22edd7f242c028
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16a44d79e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130b99e9e80000

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