Re: [syzbot] [bpf?] KASAN: slab-out-of-bounds Write in __bpf_get_stackid

From: syzbot

Date: Sun Oct 12 2025 - 10:22:06 EST


Hello,

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

Reported-by: syzbot+c9b724fbb41cf2538b7b@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+c9b724fbb41cf2538b7b@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 67029a49 Merge tag 'trace-v6.18-3' of git://git.kernel..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=16848c58580000
kernel config: https://syzkaller.appspot.com/x/.config?x=308983f9c02338e8
dashboard link: https://syzkaller.appspot.com/bug?extid=c9b724fbb41cf2538b7b
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=175d3304580000

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