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Date: Sat, 30 Mar 2013 17:36:35 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Pravin B Shelar <pshelar@...ira.com>
Cc: "David S. Miller" <davem@...emloft.net>,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: WARNING: at net/batman-adv/hard-interface.c:92
batadv_is_on_batman_iface()
Greetings,
I got the below WARNING in net-next/master (head commit f498354793d5)
and the first bad commit is
commit c54419321455631079c7d6e60bc732dd0c5914c5
Author: Pravin B Shelar <pshelar@...ira.com>
Date: Mon Mar 25 14:49:35 2013 +0000
GRE: Refactor GRE tunneling code.
Following patch refactors GRE code into ip tunneling code and GRE
specific code. Common tunneling code is moved to ip_tunnel module.
ip_tunnel module is written as generic library which can be used
by different tunneling implementations.
ip_tunnel module contains following components:
- packet xmit and rcv generic code. xmit flow looks like
(gre_xmit/ipip_xmit)->ip_tunnel_xmit->ip_local_out.
- hash table of all devices.
- lookup for tunnel devices.
- control plane operations like device create, destroy, ioctl, netlink
operations code.
- registration for tunneling modules, like gre, ipip etc.
- define single pcpu_tstats dev->tstats.
- struct tnl_ptk_info added to pass parsed tunnel packet parameters.
ipip.h header is renamed to ip_tunnel.h
Signed-off-by: Pravin B Shelar <pshelar@...ira.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
[ 27.507156] libceph: loaded (mon/osd proto 15/24)
[ 27.515409] ------------[ cut here ]------------
[ 27.518917] WARNING: at /c/kernel-tests/src/stable/net/batman-adv/hard-interface.c:92 batadv_is_on_batman_iface+0x5c/0x7a()
[ 27.521935] Hardware name: Bochs
[ 27.525356] Cannot find parent device
[ 27.528296] Modules linked in:
[ 27.529923] Pid: 1, comm: swapper/0 Not tainted 3.9.0-rc4-00896-g03ba910 #794
[ 27.531747] Call Trace:
[ 27.534683] [<ffffffff81098ab4>] warn_slowpath_common+0x83/0x9e
[ 27.536338] [<ffffffff81098b72>] warn_slowpath_fmt+0x46/0x48
[ 27.537872] [<ffffffff828e6402>] ? rcu_read_unlock+0x1c/0x2d
[ 27.539441] [<ffffffff810ca498>] ? local_clock+0x19/0x52
[ 27.541023] [<ffffffff82c0e796>] batadv_is_on_batman_iface+0x5c/0x7a
[ 27.542803] [<ffffffff82c0efe2>] batadv_hard_if_event+0x8f/0x285
[ 27.544551] [<ffffffff828e4ff0>] register_netdevice_notifier+0x71/0x17e
[ 27.550617] [<ffffffff8420a030>] ? batadv_iv_init+0x3f/0x3f
[ 27.552248] [<ffffffff8420a114>] batadv_init+0xe4/0x104
[ 27.553770] [<ffffffff810020be>] do_one_initcall+0x7f/0x13d
[ 27.555386] [<ffffffff84177eb0>] kernel_init_freeable+0x141/0x1d0
[ 27.557177] [<ffffffff84177734>] ? do_early_param+0x8c/0x8c
[ 27.558813] [<ffffffff82c1f146>] ? rest_init+0xda/0xda
[ 27.560348] [<ffffffff82c1f154>] kernel_init+0xe/0xdb
[ 27.561813] [<ffffffff82c694ac>] ret_from_fork+0x7c/0xb0
[ 27.563356] [<ffffffff82c1f146>] ? rest_init+0xda/0xda
[ 27.564974] ---[ end trace f78f9f0651ffcb0b ]---
git bisect start 03ba9107c92bdc2eec1d14ea19d5a00209969d87 v3.8 --
git bisect good cb715a836642e0ec69350670d1c2f800f3e2d2e4 # 10 2013-03-29 14:42:04 Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good b67bfe0d42cac56c512dd5da4b1b347a23f4b70a # 10 2013-03-29 17:23:34 hlist: drop the node parameter from iterators
git bisect good 59d8e5eb2bd5593d8220db0e25206cdfc42e83ea # 10 2013-03-29 20:04:53 Merge branch 'akpm' (fixes from Andrew)
git bisect good 71420228feb826b365b3fef4de01e83c00e9151d # 10 2013-03-29 22:46:41 Merge remote-tracking branch 'origin/drm-intel-fixes' into drm-intel-nightly
git bisect good 5470b462c3f0c6fa980c320968a165bd0f34ca8d # 10 2013-03-30 00:08:49 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
git bisect bad 38502af77e07b5d6650b9ff99a0b482d86366592 # 0 2013-03-30 00:16:41 tuntap: set transport header before passing it to kernel
git bisect good 0465277f6b3fd0535428ae935644ac30ce903de0 # 10 2013-03-30 01:46:40 ipv4: provide addr and netconf dump consistency info
git bisect good 21168245031062212c0b805d0bd466ee6dd4a16f # 10 2013-03-30 04:28:14 dsa: factor freeing of dsa_platform_data
git bisect bad cb6bf35502d53364d15737295bc64f804c4587ce # 0 2013-03-30 05:47:34 firewire net, ipv6: IPv6 over Firewire (RFC3146) support.
git bisect bad 206aaafcd279e2cb836d772282517540c6cb3814 # 0 2013-03-30 05:55:36 VXLAN: Use IP Tunnels tunnel ENC encap API
git bisect good 25c7704d8bdcf6746dab4397953df51759924b37 # 10 2013-03-30 07:21:49 ipv4: Fix ip-header identification for gso packets.
git bisect bad c54419321455631079c7d6e60bc732dd0c5914c5 # 0 2013-03-30 08:42:46 GRE: Refactor GRE tunneling code.
git bisect good eaac5f3d3ad33547b299935e6db0cfc7be9a576a # 10 2013-03-30 10:11:30 net: Print functions in /proc/net/ptype without the offset.
git bisect good eaac5f3d3ad33547b299935e6db0cfc7be9a576a # 30 2013-03-30 14:14:09 net: Print functions in /proc/net/ptype without the offset.
git bisect bad 03ba9107c92bdc2eec1d14ea19d5a00209969d87 # 0 2013-03-30 15:34:09 Merge remote-tracking branch 'net-next/master' into devel-inn-x86_64-2013-03-27-06-54
Thanks,
Fengguang
View attachment "dmesg-kvm-inn-39711-2013-03-27-09-08-30-3.9.0-rc4-00896-g03ba910-794" of type "text/plain" (116343 bytes)
View attachment "03ba9107c92bdc2eec1d14ea19d5a00209969d87-bisect.log" of type "text/plain" (14698 bytes)
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