Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_req_task_work_add_remote

From: syzbot
Date: Thu Jul 25 2024 - 13:32:14 EST


Hello,

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

Reported-by: syzbot+82609b8937a4458106ca@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+82609b8937a4458106ca@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 0db4618e io_uring/msg_ring: fix uninitialized use of t..
git tree: git://git.kernel.dk/linux io_uring-6.11
console output: https://syzkaller.appspot.com/x/log.txt?x=11879ae3980000
kernel config: https://syzkaller.appspot.com/x/.config?x=f80e9475fcd20eb6
dashboard link: https://syzkaller.appspot.com/bug?extid=82609b8937a4458106ca
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

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