Re: KASAN: use-after-free Read in bdev_del_partition

Hi all, I have sent a patch which reverts cddae808aeb7 ("block: pass a hd_struct to delete_partition") to syzbot, and it is now pending for testing: Link: https://groups.google.com/g/syzkaller-bugs/c/fnk0t9aqhDw/m/FO46-S8XAgAJ Thank you, Peilin Ye

Re: KASAN: use-after-free Read in bdev_del_partition

syzbot has bisected this issue to: commit cddae808aeb77e5c29d22a8e0dfbdaed413f9e04 Author: Christoph Hellwig Date: Tue Apr 14 07:28:54 2020 + block: pass a hd_struct to delete_partition bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17fa765690 start commit:

KASAN: use-after-free Read in bdev_del_partition

Hello, syzbot found the following issue on: HEAD commit:dcc5c6f0 Merge tag 'x86-urgent-2020-08-30' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11e8ca8590 kernel config: https://syzkaller.appspot.com/x/.config?x=891ca5711a9f1650