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

syzbot
2022-05-17T19:02:15Z

Hello,

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

Reported-and-tested-by: syzbot+1a0a53300ce782f8b3ad@syzkaller.appspotmail.com

Tested on:

commit: aa184e86 io_uring: don't attempt to IOPOLL for MSG_RIN..
git tree: git://git.kernel.dk/linux-block io_uring-5.18
kernel config: https://syzkaller.appspot.com/x/.config?x=e408a5da421f07d4
dashboard link: https://syzkaller.appspot.com/bug?extid=1a0a53300ce782f8b3ad
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.