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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EEF9C433E0 for ; Fri, 31 Jul 2020 08:44:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 367DC2173E for ; Fri, 31 Jul 2020 08:44:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731836AbgGaIoH (ORCPT ); Fri, 31 Jul 2020 04:44:07 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:40078 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730268AbgGaIoG (ORCPT ); Fri, 31 Jul 2020 04:44:06 -0400 Received: by mail-io1-f71.google.com with SMTP id t22so11268156iob.7 for ; Fri, 31 Jul 2020 01:44:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=2MiWhebPAZEwNHbE02ggeQmHTDlIjaaAtS5l21f1BPw=; b=FU6igk66uYvtVpTHBjtuymKBRhdOqqGyEmHQP+5skP/hNmC0b9Z5eel0n7WfsSLqwT yT71FA/clGMFVmlbJ+vWPfnk39nr48gKw6JHFVKWTGjnED9LIrqsgdNL/VFq/NZ0ayZS STrd2veXdfFSrrnRKWhD706kL0I+d4IcZGXzQAPHFG/clpOHj4yEYZhiGyVW5f8w0YrC AzRZihyVaiIFLrVUHdC/ddAL0qZiQV4wWy8ob5TdADBBbVWMTmEcLWkqQGwOFcwtSSHx hOnmEcmyC9NVSXci1UUcrd9RknI/dkQVszsOS31e4hpJeljnbZZTBndZgKTVDGRQJOdK i5Hg== X-Gm-Message-State: AOAM530d1G/TGJUmyj4jzuFN/uTnoq+MBPrhHcW38IG3+ywKEkECcnrx YzSLKsP7OxKPxmXD3zDu9XAlzBuI3/xfux4DCZcw8rjAosPN X-Google-Smtp-Source: ABdhPJy4Rj2LLEiAspTEtCegum11hHhIEmst76GFNZjb8ziE/nZyOIvy4zdOy45COS+BYVrIBbRSJc0ymQWmZ3YMzOpl0u7SggRq MIME-Version: 1.0 X-Received: by 2002:a6b:7416:: with SMTP id s22mr2545374iog.160.1596185045466; Fri, 31 Jul 2020 01:44:05 -0700 (PDT) Date: Fri, 31 Jul 2020 01:44:05 -0700 In-Reply-To: <000000000000f6d80505abb42b60@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a1816805abb8caa1@google.com> Subject: Re: WARNING in cancel_delayed_work From: syzbot To: davem@davemloft.net, johan.hedberg@gmail.com, johannes.berg@intel.com, johannes@sipsolutions.net, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, luciano.coelho@intel.com, marcel@holtmann.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit fbd05e4a6e82fd573d3aa79e284e424b8d78c149 Author: Luca Coelho Date: Thu Sep 15 15:15:09 2016 +0000 cfg80211: add helper to find an IE that matches a byte-array bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1790af82900000 start commit: 83bdc727 random32: remove net_rand_state from the latent e.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1050af82900000 kernel config: https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55 dashboard link: https://syzkaller.appspot.com/bug?extid=35e70efb794757d7e175 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1160faa2900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11816098900000 Reported-by: syzbot+35e70efb794757d7e175@syzkaller.appspotmail.com Fixes: fbd05e4a6e82 ("cfg80211: add helper to find an IE that matches a byte-array") For information about bisection process see: https://goo.gl/tpsmEJ#bisection