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 B9C6AC48BE3 for ; Thu, 20 Jun 2019 13:17:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C6F82080D for ; Thu, 20 Jun 2019 13:17:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732021AbfFTNRH (ORCPT ); Thu, 20 Jun 2019 09:17:07 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:51890 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731973AbfFTNRH (ORCPT ); Thu, 20 Jun 2019 09:17:07 -0400 Received: by mail-io1-f69.google.com with SMTP id c5so5122101iom.18 for ; Thu, 20 Jun 2019 06:17:06 -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:message-id:subject:from:to; bh=JAp964cdDgxAeZ/fEiLlQKzdZjvEC1DMOUlTNPPD+ak=; b=ASi+PhRN3VtKwrpUSgnPEzgGVVtogtpvf8hyK9Q9PoQQDvRdFAAqvQjTyyLD7EgPgn +oTNJ60/XALt3C48u51BHukRD8StEQ90s6HwVTQ/MAgMR0A3ZDSp2zPc5zLQQyNFVtee R6bLPbewPyJoQYgdv95Vg1pWothqXVpI1spTJpB5uvLnFqwbTbfTWeXUg+RHU0Te3aRK WKgVKzAdfHvg1oCIZtKlpzkF4qm+fLECwKLa6zMheg9GIgcfWe4BXH3B4vuCH2txNSDL QlZG42ZBZTlih4okaU64sJuw9pQanbVKjnl7NzGS5usixI3KaYMuQma/BlBbWJLpBXTa vfNA== X-Gm-Message-State: APjAAAXMkb97LAWDVaiPYodwhfiOjPHof98FpABhgLln6JivrUDmOn5G 6tAc0fyY2+NRHTMF4pFjbiNxE01IrQIyCiKCqy62vMvyKUub X-Google-Smtp-Source: APXvYqx20x9VK2DkdtdztpD7beSEgz6YK52k03WlW+Pbg6uT7A6nmuqAF+hnrydrRKgb6flxT1Xo/L+AoMoG9LM4MkGByikbE8Fc MIME-Version: 1.0 X-Received: by 2002:a6b:5812:: with SMTP id m18mr24035611iob.13.1561036626313; Thu, 20 Jun 2019 06:17:06 -0700 (PDT) Date: Thu, 20 Jun 2019 06:17:06 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000097ca41058bc129cc@google.com> Subject: kernel panic: corrupted stack end in corrupted From: syzbot To: ast@kernel.org, daniel@iogearbox.net, 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 29f785ff Merge branch 'fixes' of git://git.kernel.org/pub/.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=1158d411a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e5c77f8090a3b96b dashboard link: https://syzkaller.appspot.com/bug?extid=b764c7ca388222ddfb17 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=100ca932a00000 The bug was bisected 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=135e8a3aa00000 final crash: https://syzkaller.appspot.com/x/report.txt?x=10de8a3aa00000 console output: https://syzkaller.appspot.com/x/log.txt?x=175e8a3aa00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+b764c7ca388222ddfb17@syzkaller.appspotmail.com Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 8770 Comm: syz-executor.4 Not tainted 5.2.0-rc5+ #57 Hardware name: Google GooglSeaBIOS (version 1.8.2-20190503_170316-google) --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches