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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 D544AC5B57B for ; Sat, 29 Jun 2019 21:11:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA6E9216FD for ; Sat, 29 Jun 2019 21:11:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726958AbfF2VLB (ORCPT ); Sat, 29 Jun 2019 17:11:01 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:43012 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726913AbfF2VLB (ORCPT ); Sat, 29 Jun 2019 17:11:01 -0400 Received: by mail-io1-f71.google.com with SMTP id y5so10810634ioj.10 for ; Sat, 29 Jun 2019 14:11:00 -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=iI+vf7XGdxN/YYPP07HgU1JapV/In43CoBtMmVlU0zc=; b=Mv5szL/2E+/uanHVomOyWF4Go+A4XaCOfj10rfsK9/6RjWzFy8vqYZMwOBzFisTyL2 +9D10+WaOc1HuW9Jr5tQI6NHflvD2P2PUnp7YNpjdN93oZjEvRWVsHrg1/pKuwaayxlA DBwE/zP6nwaaxSr4QLXPQW6c9HmrctHwG8/nnfB/BGaMxqumF8RlgQyQiYGKkzRaNRc2 NJ/mJwmTivODen4aGkrgL5XQjY8jUk/eFKHGIIr2jBOWU8bdsKPJ1CgUoy6PLQDzjOLR JRUtRAAu3x/AXm+G3zPw3zH36SINM0qTL415UvTwaNmgMF1+ekX25xRWZQk6ixODxJMW v+Kg== X-Gm-Message-State: APjAAAWz0Zz3Izhsh1tUkZ3aKHy9JN6nrHem02KEhAHbR6jJ3VtpZXmf UHdCFojHUdW3BAWxB0jHDFGWAJZLftalDLznFlXVcPTcXNCG X-Google-Smtp-Source: APXvYqxUrjoo3PnWRqtB9E0kVCAY8bEvzzwxgHzzPwfKIzGqVN9E4ibJvNZEVz7+4oUptRKrbedzide4XQN2Mi9uNOkrx1Kx7s+W MIME-Version: 1.0 X-Received: by 2002:a5d:9ec4:: with SMTP id a4mr14785908ioe.125.1561842660304; Sat, 29 Jun 2019 14:11:00 -0700 (PDT) Date: Sat, 29 Jun 2019 14:11:00 -0700 In-Reply-To: <000000000000d028b30588fed102@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f66c6e058c7cd4e0@google.com> Subject: Re: KASAN: use-after-free Write in xfrm_hash_rebuild From: syzbot To: davem@davemloft.net, fw@strlen.de, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 1548bc4e0512700cf757192c106b3a20ab639223 Author: Florian Westphal Date: Fri Jan 4 13:17:02 2019 +0000 xfrm: policy: delete inexact policies from inexact list on hash rebuild bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1734cba9a00000 start commit: 249155c2 Merge branch 'parisc-5.2-4' of git://git.kernel.o.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14b4cba9a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=10b4cba9a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9a31528e58cc12e2 dashboard link: https://syzkaller.appspot.com/bug?extid=0165480d4ef07360eeda syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16cf37c3a00000 Reported-by: syzbot+0165480d4ef07360eeda@syzkaller.appspotmail.com Fixes: 1548bc4e0512 ("xfrm: policy: delete inexact policies from inexact list on hash rebuild") For information about bisection process see: https://goo.gl/tpsmEJ#bisection