linux-kernel - Re: [syzbot] [bpf?] KASAN: stack-out-of-bounds Write in __bpf_get

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Message-ID: <695ad0d7.050a0220.a1b6.0394.GAE@google.com>
Date: Sun, 04 Jan 2026 12:43:03 -0800
From: syzbot <syzbot+d1b7fa1092def3628bd7@...kaller.appspotmail.com>
To: contact@...aud-lcm.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bpf?] KASAN: stack-out-of-bounds Write in __bpf_get_stack

Hello,

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

Reported-by: syzbot+d1b7fa1092def3628bd7@...kaller.appspotmail.com
Tested-by: syzbot+d1b7fa1092def3628bd7@...kaller.appspotmail.com

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.