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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 9834DC5DF60 for ; Fri, 8 Nov 2019 12:51:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A22421D6C for ; Fri, 8 Nov 2019 12:51:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cOW8eHpJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727206AbfKHMvW (ORCPT ); Fri, 8 Nov 2019 07:51:22 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:38550 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726636AbfKHMvW (ORCPT ); Fri, 8 Nov 2019 07:51:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573217480; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7zT3DRd+1FXC1nKqpTZwClAtzf5Bk9MH8wvbLAxN4qE=; b=cOW8eHpJA/n2nRDbPr3SHyVbCc8sKTV0ESSKqTbzqFBdnzG7OWDEBBxgyd1SNRPLJvkWc5 w+eAURL4bF8Rcm8naFGHz5beo3DNRmB9NZN9KoBKgPAmgE/dwwGOEqe6csBCj6Z+r7MKV6 /3FcVPMhO5+CUrkDuoe5A4Za3Bukc3s= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-1-ZMyCVXcFN9GdelQO6M-9WA-1; Fri, 08 Nov 2019 07:51:17 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1AFDF107ACC3; Fri, 8 Nov 2019 12:51:15 +0000 (UTC) Received: from elisabeth (ovpn-200-26.brq.redhat.com [10.40.200.26]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8A0AF5C1BB; Fri, 8 Nov 2019 12:51:10 +0000 (UTC) Date: Fri, 8 Nov 2019 13:51:05 +0100 From: Stefano Brivio To: syzbot Cc: davem@davemloft.net, dvyukov@google.com, frederic@kernel.org, fweisbec@gmail.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, mingo@kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, yoshfuji@linux-ipv6.org Subject: Re: KASAN: use-after-free Read in tick_sched_handle (3) Message-ID: <20191108135105.674043a5@elisabeth> In-Reply-To: <000000000000e139ab0596c1d4c0@google.com> References: <0000000000007829c8057b0b58ed@google.com> <000000000000e139ab0596c1d4c0@google.com> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: ZMyCVXcFN9GdelQO6M-9WA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 07 Nov 2019 05:42:07 -0800 syzbot wrote: > syzbot suspects this bug was fixed by commit: >=20 > commit bc6e019b6ee65ff4ebf3ca272f774cf6c67db669 > Author: Stefano Brivio > Date: Thu Jan 3 20:43:34 2019 +0000 >=20 > fou: Prevent unbounded recursion in GUE error handler also with UDP-= Lite >=20 > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D119c0bc260= 0000 > start commit: 1c7fc5cb Linux 5.0-rc2 > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=3D817708c0a0300= f84 > dashboard link: https://syzkaller.appspot.com/bug?extid=3D999bca54de2ee16= 9c021 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D12c95a30c00= 000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D11df010740000= 0 >=20 > If the result looks correct, please mark the bug fixed by replying with: >=20 > #syz fix: fou: Prevent unbounded recursion in GUE error handler also with= =20 > UDP-Lite >=20 > For information about bisection process see: https://goo.gl/tpsmEJ#bisect= ion #syz fix: fou: Prevent unbounded recursion in GUE error handler also with U= DP-Lite