Re: [syzbot] [net?] BUG: using smp_processor_id() in preemptible code in sk_skb_reason_drop

From: syzbot

Date: Mon Sep 14 2026 - 13:06:48 EST


Hello,

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

Reported-by: syzbot+dc57fd6722deb17e92af@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+dc57fd6722deb17e92af@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 50d05c7c Merge tag 'landlock-7.3-rc3' of git://git.ker..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=152a8df9580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b454dc6b1b7acd30
dashboard link: https://syzkaller.appspot.com/bug?extid=dc57fd6722deb17e92af
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=154fe925580000

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