Re: [syzbot] [udf?] KASAN: use-after-free Write in udf_close_lvid

From: syzbot
Date: Sun Feb 18 2024 - 13:20:12 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=12c941c2180000
start commit: f016f7547aee Merge tag 'gpio-fixes-for-v6.7-rc8' of git://..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=f8e72bae38c079e4
dashboard link: https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13c2caf9e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11f518f9e80000

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