Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in kiocb_done

From: syzbot
Date: Fri Sep 03 2021 - 19:08:31 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+726f2ce6dbbf2ad8d133@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 31efe48e io_uring: fix possible poll event lost in mul..
git tree: git://git.kernel.dk/linux-block for-5.15/io_uring
kernel config: https://syzkaller.appspot.com/x/.config?x=fa8e68781da309a
dashboard link: https://syzkaller.appspot.com/bug?extid=726f2ce6dbbf2ad8d133
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1

Note: testing is done by a robot and is best-effort only.