Re: [syzbot] [comedi?] KMSAN: kernel-infoleak in do_insn_ioctl

[syzbot]

Hello,

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

Reported-by: syzbot+a5e45f768aab5892da5d@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+a5e45f768aab5892da5d@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         2942242d Merge tag 'mm-hotfixes-stable-2025-07-24-18-0..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12fb94f0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7753c32e11ff6a95
dashboard link: https://syzkaller.appspot.com/bug?extid=a5e45f768aab5892da5d
compiler:       Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
patch:          https://syzkaller.appspot.com/x/patch.diff?x=151690a2580000

Note: testing is done by a robot and is best-effort only.