Re: [syzbot] [bpf?] KASAN: stack-out-of-bounds Write in __bpf_get_stack

[syzbot]

Hello,

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

Reported-by: syzbot+d1b7fa1092def3628bd7@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+d1b7fa1092def3628bd7@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         a069190b bpf: Replace __opt annotation with __nullable..
git tree:       bpf-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1551528a580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9c5e9eccee9bc2fe
dashboard link: https://syzkaller.appspot.com/bug?extid=d1b7fa1092def3628bd7
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=111f6e22580000

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