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=-0.4 required=3.0 tests=FROM_LOCAL_DIGITS, FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 A5805C48BD3 for ; Wed, 26 Jun 2019 23:55:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A31E2087C for ; Wed, 26 Jun 2019 23:55:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726654AbfFZXzC (ORCPT ); Wed, 26 Jun 2019 19:55:02 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:44911 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726410AbfFZXzB (ORCPT ); Wed, 26 Jun 2019 19:55:01 -0400 Received: by mail-io1-f72.google.com with SMTP id i133so439353ioa.11 for ; Wed, 26 Jun 2019 16:55:01 -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=c5MKxKpL1LGme09OnNwDQjsqqlS3JWAbrh2sxWujAk8=; b=ViYPzYvMH2k8QQmawbU90rQRJ2sIyhtstVsaEW6S1OOU1T/gslHQdqFe+o7Yj7nuzG 2lxqJ/NdAbnUc3qhY0q1KXK0KQflQIbxndTAQ33ML9ezcsTRYnh7oz1FFREfpcOiFm0c iO2pLDpmN2xZ5zldJoGNjfRCohpWWt5Anu0t0Rf2wn4AN7TN7XNJLt8hPm+wcWIUQbEA pUQc1NeDJg998jPzcci2Vc0t4hlN6cUNKQkwyZybCO+3vVRsmV4nOQwaMzeW7/Fxpp65 tstFEMIKfeKtuld2R37RlGsbY+8ZNbQlW7OhDsPiFkXcq1azGnwpgU8srmzsAb2FuS6E dwKA== X-Gm-Message-State: APjAAAXYZxxILh1jYCmiybdQK91KpCN/V+phbXIDx5d36zNp+rOiSuwm iDOxzTKZhBXVC93piCy1kg7vm5wlvpLWv4cm/P+lPxGy3d4T X-Google-Smtp-Source: APXvYqw0rSeais3gd71d3pKztVwreFghQwPf0ciLriAei8/ydZP7gcjOnDii1dtoOGd1VNJ94dAGeH2zX3nwhBEDVLqHtbiTYrsV MIME-Version: 1.0 X-Received: by 2002:a5d:885a:: with SMTP id t26mr1029660ios.218.1561593301141; Wed, 26 Jun 2019 16:55:01 -0700 (PDT) Date: Wed, 26 Jun 2019 16:55:01 -0700 In-Reply-To: <000000000000f4f847058c387616@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ff8f15058c42c5fa@google.com> Subject: Re: KASAN: use-after-free Read in corrupted (3) From: syzbot To: aarcange@redhat.com, akpm@linux-foundation.org, ast@kernel.org, christian@brauner.io, daniel@iogearbox.net, ebiederm@xmission.com, elena.reshetova@intel.com, guro@fb.com, john.fastabend@gmail.com, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, mhocko@suse.com, mingo@kernel.org, namit@vmware.com, netdev@vger.kernel.org, peterz@infradead.org, riel@surriel.com, syzkaller-bugs@googlegroups.com, wad@chromium.org 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=11bb4e3da00000 start commit: 045df37e Merge branch 'cxgb4-Reference-count-MPS-TCAM-entr.. git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=13bb4e3da00000 console output: https://syzkaller.appspot.com/x/log.txt?x=15bb4e3da00000 kernel config: https://syzkaller.appspot.com/x/.config?x=dd16b8dc9d0d210c dashboard link: https://syzkaller.appspot.com/bug?extid=8a821b383523654227bf syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1389f5b5a00000 Reported-by: syzbot+8a821b383523654227bf@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