Re: [syzbot] [rdma?] KASAN: null-ptr-deref Read in trace_event_raw_event_rtrs_clt_conn_class

From: syzbot

Date: Sun Aug 23 2026 - 00:02:13 EST


Hello,

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

Reported-by: syzbot+1695193198994f4e7fed@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+1695193198994f4e7fed@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 21d6ac05 Merge branch 'for-next/core' into for-kernelci
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=12464625580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d1128bc53f2ef7f3
dashboard link: https://syzkaller.appspot.com/bug?extid=1695193198994f4e7fed
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
userspace arch: arm64
patch: https://syzkaller.appspot.com/x/patch.diff?x=1673f179580000

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