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

From: syzbot
Date: Mon Jan 09 2023 - 13:41:28 EST


Hello,

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

Reported-and-tested-by: syzbot+55cc59267340fad29512@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=165136a4480000
kernel config: https://syzkaller.appspot.com/x/.config?x=defbee0450ed9648
dashboard link: https://syzkaller.appspot.com/bug?extid=55cc59267340fad29512
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, 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.