Re: [syzbot] [smc?] KASAN: null-ptr-deref Read in smc_tcp_syn_recv_sock

From: syzbot
Date: Sun Jun 29 2025 - 20:58:12 EST


Hello,

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

Reported-by: syzbot+827ae2bfb3a3529333e9@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+827ae2bfb3a3529333e9@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: d0b3b7b2 Linux 6.16-rc4
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11da6982580000
kernel config: https://syzkaller.appspot.com/x/.config?x=31697df50f24445
dashboard link: https://syzkaller.appspot.com/bug?extid=827ae2bfb3a3529333e9
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=15b963d4580000

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