Re: [syzbot] [bpf?] KMSAN: uninit-value in handle_bug

From: syzbot

Date: Wed Jul 29 2026 - 00:43:22 EST


Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
lost connection to test machine



Tested on:

commit: cfd46e26 bpf: zero-initialize raw tracepoint bpf_trace..
git tree: https://github.com/yutao-intel/linux.git fix-bpf-psi
console output: https://syzkaller.appspot.com/x/log.txt?x=10a68aea580000
kernel config: https://syzkaller.appspot.com/x/.config?x=a40aa0cae1293269
dashboard link: https://syzkaller.appspot.com/bug?extid=ba80855313e6fa65717a
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8

Note: no patches were applied.