From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263064AbTKYUxS (ORCPT ); Tue, 25 Nov 2003 15:53:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263088AbTKYUxS (ORCPT ); Tue, 25 Nov 2003 15:53:18 -0500 Received: from e4.ny.us.ibm.com ([32.97.182.104]:20664 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S263064AbTKYUxP (ORCPT ); Tue, 25 Nov 2003 15:53:15 -0500 Date: Tue, 25 Nov 2003 13:17:56 -0800 From: "Martin J. Bligh" To: linux-kernel cc: francois+kernel@nikita.cx Subject: [Bugme-new] [Bug 1595] New: Oops in tcp_v4_get_port (fwd) Message-ID: <60420000.1069795076@flay> X-Mailer: Mulberry/2.1.2 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org http://bugme.osdl.org/show_bug.cgi?id=1595 Summary: Oops in tcp_v4_get_port Kernel Version: 2.6.0-test9 Status: NEW Severity: high Owner: bugme-janitors@lists.osdl.org Submitter: francois+kernel@nikita.cx Distribution: Redhat Linux 7.3 Hardware Environment: Intel Xeon P4, SMP HyperThreading activated Software Environment: # lsmod Module Size Used by netconsole 3968 0 softdog 5188 0 ipv6 259936 16 autofs 18432 0 tg3 64640 0 e100 60804 0 ipt_REJECT 7360 1 iptable_filter 3616 1 ip_tables 18896 2 ipt_REJECT,iptable_filter Problem Description: Unable to handle kernel NULL pointer dereference at virtual address 00000049 printing eip: 802771a7 *pde = 00000000 Oops: 0000 [#1] CPU: 1 EIP: 0060:[<802771a7>] Not tainted EFLAGS: 00010246 EIP is at tcp_v4_get_port+0x1b7/0x300 eax: 00000000 ebx: f43f5c90 ecx: 00000001 edx: f43f5c80 esi: f56c1510 edi: f4330b10 ebp: 84837326 esp: f4e11e88 ds: 007b es: 007b ss: 0068 Process thttpd (pid: 5659, threadinfo=f4e10000 task=f5a68080) Stack: 00000001 00000000 00000000 00000001 f7880280 00000050 bffa6d48 bffa6c00 ffffffea 00000002 80287fd8 bffa6c00 00000050 00000050 f50af380 f4e11ee4 00000010 00000000 80241736 f50af380 f4e11ee4 00000010 00000000 50000002 Call Trace: [<80287fd8>] inet_bind+0x158/0x260 [<80241736>] sys_bind+0x56/0x80 [<802406be>] sock_map_fd+0xbe/0x120 [<8024070d>] sock_map_fd+0x10d/0x120 [<80287985>] inet_setsockopt+0x25/0x30 [<80241cec>] sys_setsockopt+0x4c/0x80 [<80241d0e>] sys_setsockopt+0x6e/0x80 [<802422e3>] sys_socketcall+0xc3/0x250 [<80165529>] sys_fcntl64+0x69/0x70 [<8010aa73>] syscall_call+0x7/0xb Code: f6 40 49 20 75 52 8d 76 00 8b 44 24 2c 8b 48 04 85 c9 74 0b <0>Kernel panic: Fatal exception in interrupt In interrupt handler - not syncing <0>Rebooting in 15 seconds.. (gdb) list *(tcp_v4_get_port+0x1b7) 0x802771a7 is in tcp_v4_get_port (tcp_ipv4.c:195). 190 struct sock *sk2; 191 struct hlist_node *node; 192 int reuse = sk->sk_reuse; 193 194 sk_for_each_bound(sk2, node, &tb->owners) { 195 if (sk != sk2 && 196 !ipv6_only_sock(sk2) && 197 (!sk->sk_bound_dev_if || 198 !sk2->sk_bound_dev_if || 199 sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) { Steps to reproduce: eth0 is 10.0.0.1 eth0:0 is 10.0.0.2 thttpd listening on 10.0.0.1:80 and serving lots of clients modify configuration so thttpd listen on 10.0.0.2:80 kill thttpd ; restart thttpd kernel oops