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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 83AB0C43381 for ; Wed, 20 Feb 2019 09:32:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D27F2070B for ; Wed, 20 Feb 2019 09:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726692AbfBTJcF (ORCPT ); Wed, 20 Feb 2019 04:32:05 -0500 Received: from mail-it1-f199.google.com ([209.85.166.199]:37857 "EHLO mail-it1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbfBTJcE (ORCPT ); Wed, 20 Feb 2019 04:32:04 -0500 Received: by mail-it1-f199.google.com with SMTP id q141so9813700itc.2 for ; Wed, 20 Feb 2019 01:32:03 -0800 (PST) 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=RPiu9o4aoXFTlNOUWMxQMi5raHo7X74iF0aKrIt2EJo=; b=BJoSjM+X9zrL7xj5yjHEGyN6QfdccfKa9dVR+JqjKJRIHRZq2flCbR56WCRbhEguP1 xbjGxHokctrqEA0EgnY7qKXLCEmMqFSgawf9J+cX95k4vVJQ1gpak202+62GUVxCbBRh xXEQ7uwvF/uV/bgtV4e9QXxSI19wTaZbQS0+uVDM+91OWrz8uMd5qmEnZII7tWBLt1bY p80nerJasFAOm7xavAsvNFePF3OPOPor7o6yMKzrmz1g9yWq42uJB5Ez/Zmfr0ZcrRBt I4jKVvuUPPPF8XSAmFqBD1jfaFpfAD9GmWlKrclgjzUZVBsNfwLfzUVTClRKTuBsxWsl OkbA== X-Gm-Message-State: AHQUAuYtqSI4QSpd99PtQIL+3aLWdN0Vu2ACIa15/n/Y5fGMaewvGfoo 0EwxsqTEVnk89jaLDZONT9XairMVVbMwHRQoVFiLVTeiC3I3 X-Google-Smtp-Source: AHgI3IbxrHexu8zH/rW5XIZknrdbBRncKT0u1RqSZW6yQ4CvlFOWZZL/gFSL6o5bqkPC/FBprt/LjttMw3VclZpD3DpE6rPgPuhh MIME-Version: 1.0 X-Received: by 2002:a24:5c81:: with SMTP id q123mr5031743itb.34.1550655123540; Wed, 20 Feb 2019 01:32:03 -0800 (PST) Date: Wed, 20 Feb 2019 01:32:03 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cedfe1058250076c@google.com> Subject: BUG: assuming atomic context at kernel/seccomp.c:LINE From: syzbot To: ast@kernel.org, daniel@iogearbox.net, kafai@fb.com, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, wad@chromium.org, yhs@fb.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: abf446c90405 Add linux-next specific files for 20190220 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17f250d8c00000 kernel config: https://syzkaller.appspot.com/x/.config?x=463cb576ac40e350 dashboard link: https://syzkaller.appspot.com/bug?extid=8bf19ee2aa580de7a2a7 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+8bf19ee2aa580de7a2a7@syzkaller.appspotmail.com BUG: assuming atomic context at kernel/seccomp.c:271 in_atomic(): 0, irqs_disabled(): 0, pid: 12803, name: syz-executor.5 no locks held by syz-executor.5/12803. CPU: 1 PID: 12803 Comm: syz-executor.5 Not tainted 5.0.0-rc7-next-20190220 #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 __cant_sleep kernel/sched/core.c:6218 [inline] __cant_sleep.cold+0xa3/0xbb kernel/sched/core.c:6195 seccomp_run_filters kernel/seccomp.c:271 [inline] __seccomp_filter+0x12b/0x12b0 kernel/seccomp.c:801 __secure_computing+0x101/0x360 kernel/seccomp.c:932 syscall_trace_enter+0x5bf/0xe10 arch/x86/entry/common.c:120 do_syscall_64+0x479/0x610 arch/x86/entry/common.c:280 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ac8a Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d df ba 5f 00 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7 RSP: 002b:00007f92ed7b2c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045ac8a RDX: 0000000000017230 RSI: 00007f92ed7b2c60 RDI: 0000000000000001 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000004c4cd5 R14: 00000000004d8890 R15: 00000000ffffffff --- 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#bug-status-tracking for how to communicate with syzbot.