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=-5.7 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 F05EDC04AB5 for ; Thu, 6 Jun 2019 14:55:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D15A1208CA for ; Thu, 6 Jun 2019 14:55:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729067AbfFFOzB (ORCPT ); Thu, 6 Jun 2019 10:55:01 -0400 Received: from mail-it1-f199.google.com ([209.85.166.199]:58046 "EHLO mail-it1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728781AbfFFOzB (ORCPT ); Thu, 6 Jun 2019 10:55:01 -0400 Received: by mail-it1-f199.google.com with SMTP id s2so143541itl.7 for ; Thu, 06 Jun 2019 07:55:01 -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=R8TcDtdRwn0wi82EAl1Zo57LJuPK69T+qkxhIovalQk=; b=ebY9aGBhURk9tXebCJtEAcNau+keJBFyu7LMOcXRU32FVhe/9y2L9kGMALwLg0K1F+ 0vknKQaSYll9Ic02628ZZSN6RB3KKNABZIQMcAxrhHvMYECuQQ2E9SncNtdEKnnLlJHd zR34GiSmNNYfjsuVc1y4OdB1tpW8Iq6cg8Q9NUNbzS9R/cMc+j2lYGeMhxI4Ch1iSfvi 0Nbwd0IZjCTywT7xSV/ov2CZTQ5nYbyqXb5xXfnNenXadq9Qy9kccoMzjB0UiyHeAAUd 0Wz4KZbolWNfKuleHN5FM2/4ZJFdofpLm7b8YbpyqA2EWmymSBT+gD8AlmfMd7MjuQEO XDZg== X-Gm-Message-State: APjAAAUaqHWMnDd5W1mENmnMgu0Q3QblM+ncZBL3dcb/D78yCBekDrjv hGTQs+vM8OZIIEDTcbmMzT/aLEVADWv9iyon/yynuFF9j4PO X-Google-Smtp-Source: APXvYqx6hNO688f1nGb9aDJ5teyR9hvYnxbn79yt4+3zppAhrpmNEdwnM+sH6zml00TrbrVYYjMr1hhagZN6LsUkZFoxkm5OAoeB MIME-Version: 1.0 X-Received: by 2002:a6b:7a42:: with SMTP id k2mr21307120iop.214.1559832900696; Thu, 06 Jun 2019 07:55:00 -0700 (PDT) Date: Thu, 06 Jun 2019 07:55:00 -0700 In-Reply-To: <000000000000454279058aa80535@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f48306058aa8e5cb@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in usage_accumulate From: syzbot To: ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, dvyukov@google.com, john.fastabend@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, 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 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=111ccbbaa00000 start commit: 156c0591 Merge tag 'linux-kselftest-5.2-rc4' of git://git... git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=131ccbbaa00000 console output: https://syzkaller.appspot.com/x/log.txt?x=151ccbbaa00000 kernel config: https://syzkaller.appspot.com/x/.config?x=60564cb52ab29d5b dashboard link: https://syzkaller.appspot.com/bug?extid=b0d730107e2ca6cb952f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11a8fb61a00000 Reported-by: syzbot+b0d730107e2ca6cb952f@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