From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A1EFC43334 for ; Fri, 17 Jun 2022 22:56:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380988AbiFQW4Y (ORCPT ); Fri, 17 Jun 2022 18:56:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357128AbiFQW4X (ORCPT ); Fri, 17 Jun 2022 18:56:23 -0400 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69C1E53E2F for ; Fri, 17 Jun 2022 15:56:22 -0700 (PDT) Received: by mail-il1-f199.google.com with SMTP id u8-20020a056e021a4800b002d3a5419d1bso3451347ilv.12 for ; Fri, 17 Jun 2022 15:56:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=d1m6r5UmiAcvgQ8crrCKZSa9ReWYu3X/3xrsp+5+VXk=; b=bX8FrdqPuv46mR2jKooEVA7Kkyz8tk0/T6ytLLbwRCvZSR9zEpVehOJkSPLATuhe// R2LC1clIdJ0WvJGQsloM7nWSaFhdfo+IrOFqhYpsciHsM+P0vqNWpFCYAM5wRXZqVams WAjoTiF4DVpR6P5X+8SyibHJjxtBeAcs3UyH7mgYs+zzew6sd/G2cferHO7dzdzjqm5W n8RzaHgSSQvCGJSCmiRpGmwQGe1V1YllDfY0nqXopemE+ibN6wf33QhDwT6x2hr4pO7S YeP/Qkcy+yuIqfFPYvgepBG7pLQlOtNZ16cllHbGOsJhNVMvpUAHDDgbdShm9Lvt5ppp Nn4Q== X-Gm-Message-State: AJIora+bIbqxkSTnN7AAIlTnZUvDwBpebB0uDxCT0xqWaRqUQmoj4nfk c1DTUa2/JbOmuSnWPPYvt7gr6bqJqkvE1z9LrfU/1tvuWLki X-Google-Smtp-Source: AGRyM1upPBNd/kP47pX87o147yhNcQltg77oLi5veVxVHqa2J97ObRWmezkeILWuWcO3ZkgcK/Q5eHfvVZlhjEAYKmTXzKZ7VFNH MIME-Version: 1.0 X-Received: by 2002:a05:6e02:78a:b0:2d3:af3f:a9e2 with SMTP id q10-20020a056e02078a00b002d3af3fa9e2mr6902555ils.96.1655506581707; Fri, 17 Jun 2022 15:56:21 -0700 (PDT) Date: Fri, 17 Jun 2022 15:56:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b9edeb05e1aca987@google.com> Subject: [syzbot] WARNING: suspicious RCU usage (5) From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: a5b00f5b78b7 Merge branch 'hns3-fixres' git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=105d68bbf00000 kernel config: https://syzkaller.appspot.com/x/.config?x=20ac3e0ebf0db3bd dashboard link: https://syzkaller.appspot.com/bug?extid=9cbc6bed3a22f1d37395 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143b22abf00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=125194eff00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9cbc6bed3a22f1d37395@syzkaller.appspotmail.com netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ============================= WARNING: suspicious RCU usage 5.19.0-rc1-syzkaller-00254-ga5b00f5b78b7 #0 Not tainted ----------------------------- net/ipv6/addrconf --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches