From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank van Maarseveen Subject: 2.6.19/2.6.20 BUG in inet_rtm_newaddr()/__inet_insert_ifa() Date: Fri, 9 Mar 2007 11:33:33 +0100 Message-ID: <20070309103333.GA17232@janus> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: netdev@vger.kernel.org Return-path: Received: from frankvm.xs4all.nl ([80.126.170.174]:39025 "EHLO janus.localdomain" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1767194AbXCILfw (ORCPT ); Fri, 9 Mar 2007 06:35:52 -0500 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Try this: ip addr add 172.18.12.99/21 dev dummy0 ip addr add broadcast 172.18.15.255 dev dummy0 kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004 kernel: printing eip: kernel: c04bc331 kernel: *pde = 00000000 kernel: Oops: 0000 [#1] kernel: SMP kernel: Modules linked in: kernel: CPU: 0 kernel: EIP: 0060:[] Not tainted VLI kernel: EFLAGS: 00010292 (2.6.20.1-y150 #1) kernel: EIP is at __inet_insert_ifa+0x11/0x150 kernel: eax: 00000000 ebx: 00000000 ecx: 00003984 edx: f709f6a0 kernel: esi: d6f5429c edi: c04bc8a0 ebp: d3f41c2c esp: d3f41c04 kernel: ds: 007b es: 007b ss: 0068 kernel: Process ip (pid: 14724, ti=d3f40000 task=f647a030 task.ti=d3f40000) kernel: Stack: 00000000 00000000 00000000 f709f6b8 00000000 00003984 f709f6a0 f709f6a0 kernel: d6f5429c c04bc8a0 d3f41c48 c04bc8da 00000046 00000000 c045e360 f709f6a0 kernel: 00000004 d3f41c7c c046c19e 00000001 00000046 00000044 00000000 00000001 kernel: Call Trace: kernel: [] show_trace_log_lvl+0x19/0x30 kernel: [] show_stack_log_lvl+0x8b/0xb0 kernel: [] show_registers+0x1b5/0x2d0 kernel: [] die+0x10f/0x240 kernel: [] do_page_fault+0x342/0x610 kernel: [] error_code+0x7c/0x90 kernel: [] inet_rtm_newaddr+0x3a/0x70 kernel: [] rtnetlink_rcv_msg+0x17e/0x240 kernel: [] netlink_rcv_skb+0x2d/0x70 kernel: [] netlink_run_queue+0x35/0x80 kernel: [] rtnetlink_rcv+0x29/0x50 kernel: [] netlink_data_ready+0x58/0x60 kernel: [] netlink_sendskb+0x1f/0x40 kernel: [] netlink_unicast+0x131/0x140 kernel: [] netlink_sendmsg+0x1fa/0x270 kernel: [] sock_sendmsg+0xba/0xf0 kernel: [] sys_sendmsg+0x13f/0x250 kernel: [] sys_socketcall+0x225/0x230 kernel: [] syscall_call+0x7/0xb kernel: ======================= kernel: Code: c7 44 24 04 00 00 00 00 c7 04 24 00 00 00 00 e8 c6 fd ff ff c9 c3 8d 74 26 00 55 89 e5 57 56 53 83 ec 1c 89 55 f0 89 4d ec 89 c3 <8b> 78 04 e8 77 ea fa ff 85 c0 0f 85 ff 00 00 00 8b 43 10 89 45 kernel: EIP: [] __inet_insert_ifa+0x11/0x150 SS:ESP 0068:d3f41c04 -- Frank