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

[syzbot]

Hello,

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

Reported-by: syzbot+068ff190354d2f74892f@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+068ff190354d2f74892f@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         c6e60a0a io_uring/net: always initialize kmsg->msg.msg..
git tree:       git://git.kernel.dk/linux io_uring-6.13
console output: https://syzkaller.appspot.com/x/log.txt?x=12de98b0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=96ee18b6611821ab
dashboard link: https://syzkaller.appspot.com/bug?extid=068ff190354d2f74892f
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.