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_DIGITS, FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 5D4B8C48BD6 for ; Tue, 25 Jun 2019 23:07:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2AD782084B for ; Tue, 25 Jun 2019 23:07:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726341AbfFYXHB (ORCPT ); Tue, 25 Jun 2019 19:07:01 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:54302 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726037AbfFYXHB (ORCPT ); Tue, 25 Jun 2019 19:07:01 -0400 Received: by mail-io1-f70.google.com with SMTP id n8so214215ioo.21 for ; Tue, 25 Jun 2019 16:07:01 -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=5XO6NDSi7o9UCx31IdKa++vNGr4w4sFZNOdIzxhXeB0=; b=I8aiGUmKsEDJTO46gMEnlja+c49C7+Q2TLcCoXfE4SAUANXviIILFkIM3t140tmfnj cjnk5M9ZwAf+0WLFMsg0/IEEH/noQ4qoEOIeitK0NgQLmlf+rAL+v31a1tZqoX/36Ign o+BDE/77/S2/KTCE/yDsC7VL66mZzD/7suM0S4l30NYA9M/Lk9fx2eLY9cpAF1pM188O kunPVxaoEQmoa7YFJAt+rScPGrXhUG0CuGR6hGfKfJLS9stW9jeQuvF4PNPavd4Twu5L yPzoDaox/BdFgq89Gn0Ggob9h3XxDTyliXbTa4S4AD2Ylo1HcRaEUK6VxUYColqacMiN qHVw== X-Gm-Message-State: APjAAAUWHTTbFOf4yITXwo4e8c05pCDMVRodul0E5KhLRWmlKbnoYW/I yQogCvQ5YyDBYibvKA+sbppVxLAKYCc63qJUp7H2KlUv4/GK X-Google-Smtp-Source: APXvYqxg7Q43zU7eDdjWCJJjMc20VKLoF6D1yLiqI3SKjTQAMQ214QUyVPvfOOK+luu/cmFimcz2QkEtvpAEzFW2H5AaIqwEW1Z8 MIME-Version: 1.0 X-Received: by 2002:a5e:c00a:: with SMTP id u10mr1423993iol.24.1561504020634; Tue, 25 Jun 2019 16:07:00 -0700 (PDT) Date: Tue, 25 Jun 2019 16:07:00 -0700 In-Reply-To: <000000000000e672c6058bd7ee45@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007724d6058c2dfc24@google.com> Subject: Re: KASAN: slab-out-of-bounds Write in validate_chain From: syzbot To: akpm@linux-foundation.org, ast@kernel.org, cai@lca.pw, crecklin@redhat.com, daniel@iogearbox.net, john.fastabend@gmail.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650 Author: John Fastabend Date: Sat Jun 30 13:17:47 2018 +0000 bpf: sockhash fix omitted bucket lock in sock_close bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14a4e9b5a00000 start commit: abf02e29 Merge tag 'pm-5.2-rc6' of git://git.kernel.org/pu.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16a4e9b5a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12a4e9b5a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=28ec3437a5394ee0 dashboard link: https://syzkaller.appspot.com/bug?extid=8893700724999566d6a9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=167098b2a00000 Reported-by: syzbot+8893700724999566d6a9@syzkaller.appspotmail.com Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") For information about bisection process see: https://goo.gl/tpsmEJ#bisection