Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_req_cqe_overflow (3)

From: Jens Axboe
Date: Thu Jun 13 2024 - 21:28:47 EST


On 6/13/24 1:38 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 614da38e2f7a Merge tag 'hid-for-linus-2024051401' of git:/..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=12980e41980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=f5d2cbf33633f507
> dashboard link: https://syzkaller.appspot.com/bug?extid=e6616d0dc8ded5dc56d6
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13526ca2980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144e5256980000

#syz test: git://git.kernel.dk/linux.git io_uring-6.10

--
Jens Axboe