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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,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 094DDC433DB for ; Sat, 9 Jan 2021 20:18:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D4C6223AC2 for ; Sat, 9 Jan 2021 20:18:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726329AbhAIUR6 (ORCPT ); Sat, 9 Jan 2021 15:17:58 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:44367 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726267AbhAIUR5 (ORCPT ); Sat, 9 Jan 2021 15:17:57 -0500 Received: by mail-io1-f71.google.com with SMTP id a1so10343465ioa.11 for ; Sat, 09 Jan 2021 12:17:42 -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=DOtSLUgu9OHp2xhaOIkH4fbkHc8mfJ2oKCEW3M693y0=; b=qZRhScGeBoG/0Op7345ocdy2LjCC6ZXRgJI/6dBk/iqqR/HYmtvgAcZK9eobb1dSRJ GVYpnSjzzgWrAESlZEeHoUHjlQt5q/kf/q2vfpBwu2FNP/3HY0o2LeBFbzS/4drQ3mtC Xe1yv/1CgbUvwc/tsXoWwdM81lcyfdhNNUi1bvbCETBj3+MHr0jnn8hr5GJmMEdw7XzN 4TEVBzKw+dCV9lpeYhXTUYyx5AE6cfQhp56E6rxKy9rfvk2ncMUUGl7PqWME6WkPrZUf Mttj4d99NPGaWRwEq/rMxtdFU81wyGfmzEv58uPTZ9/iK0y1eeBx4dXsT7c2Gv+De7vd hawg== X-Gm-Message-State: AOAM532kGSGQpFRKIeeELce2ZO9rNFrHhRU5kxCmPSFASZccF6C7NTXM R0NpnNfubPZ+3gxVFf5kboIJy8lhnst2qRC+QJzgxP7ZBe7C X-Google-Smtp-Source: ABdhPJxxwioHJph+8kt6pb9ZunIYl4nLWF909hlBmmyLcDiQTwOXNZ+LPJZkNYdvHjaMWgkLnaRw86MYW/RmzyKPvNI1vDmTxsBd MIME-Version: 1.0 X-Received: by 2002:a5d:9c57:: with SMTP id 23mr9875259iof.43.1610223436678; Sat, 09 Jan 2021 12:17:16 -0800 (PST) Date: Sat, 09 Jan 2021 12:17:16 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f3cf2e05b87d5bcd@google.com> Subject: WARNING in bpf_prog_test_run_raw_tp From: syzbot To: akpm@linux-foundation.org, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: f6e7a024 Merge tag 'arc-5.11-rc3' of git://git.kernel.org/.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=16f6472b500000 kernel config: https://syzkaller.appspot.com/x/.config?x=8aa30b9da402d224 dashboard link: https://syzkaller.appspot.com/bug?extid=4f98876664c7337a4ae6 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1004b248d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1773c767500000 The issue was bisected to: commit 1b4d60ec162f82ea29a2e7a907b5c6cc9f926321 Author: Song Liu Date: Fri Sep 25 20:54:29 2020 +0000 bpf: Enable BPF_PROG_TEST_RUN for raw_tracepoint bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e5b0f7500000 final oops: https://syzkaller.appspot.com/x/report.txt?x=17e5b0f7500000 console output: https://syzkaller.appspot.com/x/log.txt?x=13e5b0f7500000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4f98876664c7337a4ae6@syzkaller.appspotmail.com Fixes: 1b4d60ec162f ("bpf: Enable BPF_PROG_TEST_RUN for raw_tracepoint") ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8484 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x5f8/0x730 mm/page_alloc.c:5011 Modules linked in: CPU: 1 PID: 8484 Comm: syz-executor862 Not tainted 5.11.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 mm/page_alloc.c:4976 Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 RSP: 0018:ffffc900012efb10 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff9200025df66 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000140dc0 RBP: 0000000000140dc0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 0000000000000014 R13: 0000000000000014 R14: 0000000000000000 R15: 0000000000000000 FS: 000000000190c880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f08b7f316c0 CR3: 0000000012073000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: alloc_pages_current+0x18c/0x2a0 mm/mempolicy.c:2267 alloc_pages include/linux/gfp.h:547 [inline] kmalloc_order+0x2e/0xb0 mm/slab_common.c:837 kmalloc_order_trace+0x14/0x120 mm/slab_common.c:853 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:682 [inline] bpf_prog_test_run_raw_tp+0x4b5/0x670 net/bpf/test_run.c:282 bpf_prog_test_run kernel/bpf/syscall.c:3120 [inline] __do_sys_bpf+0x1ea9/0x4f10 kernel/bpf/syscall.c:4398 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x440499 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe1f3bfb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440499 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ca0 R13: 0000000000401d30 R14: 0000000000000000 R15: 0000000000000000 --- This report 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 issue. 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 issue, for details see: https://goo.gl/tpsmEJ#testing-patches