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=-3.7 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 34515C47094 for ; Thu, 10 Jun 2021 08:04:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1973E613CA for ; Thu, 10 Jun 2021 08:04:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230201AbhFJIGD (ORCPT ); Thu, 10 Jun 2021 04:06:03 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:41876 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230196AbhFJIGD (ORCPT ); Thu, 10 Jun 2021 04:06:03 -0400 Received: by mail-io1-f72.google.com with SMTP id y26-20020a6be51a0000b02904b200a26422so11225959ioc.8 for ; Thu, 10 Jun 2021 01:04:07 -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=EXuC5hR+DxXmhBYFDXYIPj2wRbgENSDGNStCsBqTJu0=; b=LaxEXxuHhsJc2ywYbQW7ol/7hRZrjqnilPe6qnLMVP88otibyk6FNWgNr4bZWj5y2V wTLJ9T4q/vR/9gznrDmyRtlHjE6Y/S64ZdKvmsV9EuEn54VEq/lGPPwEpUbMInhjLNVC 1i2+PR2UWTDiJwfoNhLMAsyreqZHx77mPxZ+l/akFC262FlOSBhRmko7C7/LOi/UD4Tg xaADEPvh4YsNvLEvmssjIMyWp8uQTDCA2vvCj0IP3xp+QIpiMNyqG2goJpIkHSEmaImo M2OzWDFyjnA9qZeLpurbVeQSrt0Ef2HtvsoOIBnozJo6zwWDd9kLhI3+E5zEn0DSBVax vF8A== X-Gm-Message-State: AOAM5334Mio4buJ9BFoP4IwDd8/mQs7Oy8ERus2J7bHQaftgPT/XJNCA LwinUbaEMjb96Y2vV436j0i4S+zLb+YLG6qelXHd4zKzDxx/ X-Google-Smtp-Source: ABdhPJxRRi/1I5TNhoQba1+i+apRY6ysQAyvYPwt9CP8LLzEVHGx0ECuewSq/IOcrMT0gR4jj+XFBdzrofOIP0eVpO+iJSk1UUPl MIME-Version: 1.0 X-Received: by 2002:a92:640d:: with SMTP id y13mr3083856ilb.158.1623312247492; Thu, 10 Jun 2021 01:04:07 -0700 (PDT) Date: Thu, 10 Jun 2021 01:04:07 -0700 In-Reply-To: <0000000000003842c805c44e7951@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000df175a05c464d5b7@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in blk_mq_exit_sched From: syzbot To: axboe@kernel.dk, coreteam@netfilter.org, davem@davemloft.net, dsahern@kernel.org, fw@strlen.de, hch@lst.de, john.garry@huawei.com, kadlec@netfilter.org, kuba@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org syzbot has bisected this issue to: commit f9006acc8dfe59e25aa75729728ac57a8d84fc32 Author: Florian Westphal Date: Wed Apr 21 07:51:08 2021 +0000 netfilter: arp_tables: pass table pointer via nf_hook_ops bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e76d88300000 start commit: a1f92694 Add linux-next specific files for 20210518 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16e76d88300000 console output: https://syzkaller.appspot.com/x/log.txt?x=12e76d88300000 kernel config: https://syzkaller.appspot.com/x/.config?x=d612e75ffd53a6d3 dashboard link: https://syzkaller.appspot.com/bug?extid=77ba3d171a25c56756ea syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13c901ebd00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1406b797d00000 Reported-by: syzbot+77ba3d171a25c56756ea@syzkaller.appspotmail.com Fixes: f9006acc8dfe ("netfilter: arp_tables: pass table pointer via nf_hook_ops") For information about bisection process see: https://goo.gl/tpsmEJ#bisection