Re: [syzbot] [media?] KMSAN: uninit-value in dvb_demux_read

[syzbot]

Hello,

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

Reported-by: syzbot+bd7c90de4c9f1f8ab660@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+bd7c90de4c9f1f8ab660@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         2619c62b Merge tag 'x86-irq-2026-02-09' of git://git.k..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12745b22580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8a7ff6353e9a86f0
dashboard link: https://syzkaller.appspot.com/bug?extid=bd7c90de4c9f1f8ab660
compiler:       Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1687f33a580000

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