Re: [syzbot] KASAN: use-after-free Read in io_wq_worker_wake

From: syzbot
Date: Mon Jan 09 2023 - 14:33:53 EST


Hello,

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

Reported-and-tested-by: syzbot+b3ba2408ce0c74bb9230@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: a4b98579 Merge branch 'io_uring-6.2' into syztest
git tree: git://git.kernel.dk/linux.git syztest
console output: https://syzkaller.appspot.com/x/log.txt?x=1774afd6480000
kernel config: https://syzkaller.appspot.com/x/.config?x=8b79b14037065d92
dashboard link: https://syzkaller.appspot.com/bug?extid=b3ba2408ce0c74bb9230
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.