Re: [syzbot] [hfs?] KASAN: slab-use-after-free Read in hfsplus_read_wrapper

From: syzbot
Date: Fri Feb 09 2024 - 04:42:23 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=15065d50180000
start commit: 88035e5694a8 Merge tag 'hid-for-linus-2023121201' of git:/..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=be2bd0a72b52d4da
dashboard link: https://syzkaller.appspot.com/bug?extid=4b52080e97cde107939d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148fa88ae80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15067cc6e80000

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