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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E50C5C001DC for ; Thu, 27 Jul 2023 10:46:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231383AbjG0Kqu (ORCPT ); Thu, 27 Jul 2023 06:46:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229659AbjG0Kqt (ORCPT ); Thu, 27 Jul 2023 06:46:49 -0400 Received: from mail-oi1-f207.google.com (mail-oi1-f207.google.com [209.85.167.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC64C1FF0 for ; Thu, 27 Jul 2023 03:46:47 -0700 (PDT) Received: by mail-oi1-f207.google.com with SMTP id 5614622812f47-3a4261fc598so1820418b6e.2 for ; Thu, 27 Jul 2023 03:46:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690454807; x=1691059607; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=LvI6vtfQJFf8LXXcJyjBDqhJYmrLxLa/d2Tx/45QJ/4=; b=eIxsHrub8Psqqd3gtXxz1v0ZsqoZU+pv08Id5nCQpaRnr7MEaQUBsVZRWt+qWzryVq vWCMQSWooGsd98ca5rCQw37uaRAZjSST9kJMr6WFUBoPG9CO/N4jD7I+CaT6Abg6xhBS lWCATd1vsxK+Dpl+Y34Z4fA7gIIJWXg9MYj9yKRXCEprHmvERAYI2iXI7K8td8mimYIZ CRRxj2+NeIzFRDECw1vUORlT+OJE2sBniY4cWgTWNPH+svByQDr9uz03ByaG5pJKLg1+ xmmAfmEgNT49jkh/lFg2XfHsXqwKQCQTkoSY57OXf/KarDmKHvoNgo48adQ2D/A8f+Yb LXFA== X-Gm-Message-State: ABy/qLbAtD3Y2kTeaQh/6rJ00DGZy2nyKKZ+83XvGkODAqR0kwfvyjg+ CkU6x58dEGvz5vSnc3iUqZvPs7DAaK1kbrxFIGDgg6ePzGa5 X-Google-Smtp-Source: APBJJlEjHNOn01A7PhQWqnlltz8q9HyG34aGQpyMcKlcIfoPZdDs6G+HJfbX5y+E5uQqAt5wnkcTQrVHYprRdQVKORLxIcQez/7u MIME-Version: 1.0 X-Received: by 2002:a05:6808:2092:b0:3a4:2943:8f7 with SMTP id s18-20020a056808209200b003a4294308f7mr5363691oiw.5.1690454807115; Thu, 27 Jul 2023 03:46:47 -0700 (PDT) Date: Thu, 27 Jul 2023 03:46:47 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000497c3c060175aed9@google.com> Subject: [syzbot] [netfilter?] WARNING in __nf_conntrack_confirm From: syzbot To: bpf@vger.kernel.org, coreteam@netfilter.org, davem@davemloft.net, edumazet@google.com, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pabeni@redhat.com, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 15cec633fc7b net: fec: tx processing does not call XDP API.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=17fbd745a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=77b9a3cf8f44c6da dashboard link: https://syzkaller.appspot.com/bug?extid=ff6e85a2812073da0a36 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/cfb97ef3ebf9/disk-15cec633.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2e8df2be69d2/vmlinux-15cec633.xz kernel image: https://storage.googleapis.com/syzbot-assets/2bdf17720191/bzImage-15cec633.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ff6e85a2812073da0a36@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 12 at net/netfilter/nf_conntrack_core.c:1198 __nf_conntrack_confirm+0x867/0x12c0 net/netfilter/nf_conntrack_core.c:1198 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.5.0-rc2-syzkaller-00231-g15cec633fc7b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Workqueue: events_unbound macvlan_process_broadcast RIP: 0010:__nf_conntrack_confirm+0x867/0x12c0 net/netfilter/nf_conntrack_core.c:1198 Code: df e8 5d 64 ff ff 31 ff 41 89 c4 89 c6 e8 91 b5 1c f9 45 84 e4 0f 84 7a ff ff ff 44 8b 7c 24 18 e9 3b fe ff ff e8 49 ba 1c f9 <0f> 0b 48 8b 7c 24 20 e8 bd f6 cb 01 44 8b 74 24 44 8b 5c 24 38 44 RSP: 0018:ffffc900001e08b0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888077a75bc0 RCX: 0000000000000100 RDX: ffff888015265940 RSI: ffffffff8869b667 RDI: 0000000000000001 RBP: 000000000001e698 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000004f10 R12: ffff888077a75b00 R13: 0000000000000001 R14: 000000000001e698 R15: 00000000000038d1 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fea3059d988 CR3: 000000004f78b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:62 [inline] nf_confirm+0xfae/0x1200 net/netfilter/nf_conntrack_proto.c:155 nf_hook_entry_hookfn include/linux/netfilter.h:143 [inline] nf_hook_slow+0xbf/0x1e0 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:258 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip_local_deliver+0x2f1/0x540 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:468 [inline] ip_rcv_finish+0x1c4/0x2e0 net/ipv4/ip_input.c:449 NF_HOOK include/linux/netfilter.h:303 [inline] NF_HOOK include/linux/netfilter.h:297 [inline] ip_rcv+0xc8/0x410 net/ipv4/ip_input.c:569 __netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5452 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5566 process_backlog+0x101/0x6c0 net/core/dev.c:5894 __napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6460 napi_poll net/core/dev.c:6527 [inline] net_rx_action+0x956/0xe90 net/core/dev.c:6660 __do_softirq+0x218/0x965 kernel/softirq.c:553 do_softirq kernel/softirq.c:454 [inline] do_softirq+0xaa/0xe0 kernel/softirq.c:441 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381 local_bh_enable include/linux/bottom_half.h:33 [inline] netif_rx net/core/dev.c:4972 [inline] netif_rx+0x332/0x420 net/core/dev.c:4961 macvlan_broadcast+0x37d/0x680 drivers/net/macvlan.c:290 macvlan_multicast_rx drivers/net/macvlan.c:302 [inline] macvlan_multicast_rx+0xd6/0x100 drivers/net/macvlan.c:296 macvlan_process_broadcast+0x225/0x690 drivers/net/macvlan.c:338 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 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. 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