Re: [syzbot] [fs?] general protection fault in pidfs_free_pid

[syzbot]

Hello,

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

Reported-by: syzbot+25317a459958aec47bfa@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+25317a459958aec47bfa@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         f817b6dd Add linux-next specific files for 20250623
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=100f6dd4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f7617ed010d11464
dashboard link: https://syzkaller.appspot.com/bug?extid=25317a459958aec47bfa
compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1453eb0c580000

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