From: Deti Fliegl <deti@fliegl.de>
To: Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>
Cc: pablo@eurodev.net, netfilter-devel@lists.netfilter.org
Subject: Re: Unknown Attribute 5/conntrack -L
Date: Mon, 31 Oct 2005 21:36:38 +0100 [thread overview]
Message-ID: <43668056.8000400@fliegl.de> (raw)
In-Reply-To: <200510311902.j9VJ28fq026612@toshiba.co.jp>
Hi Yasuyuki,
> I'm not sure it's the reason of oops, but at least attached patch fixes
> double free after netlink_unicast(). Krzysztof, could you try this ?
Tried it with 2.6.14 - after 20 minutes of calling conntrack -L in an
endless loop (with ~20000 entries and 800Mbit/s load) it happened again:
<4>Badness in __kfree_skb at net/core/skbuff.c:330
<4>
<4>Call Trace:<ffffffff802a2f77>{__kfree_skb+167}
<ffffffff802bb597>{netlink_recvmsg+279}
<4> <ffffffff8029cb2b>{sock_recvmsg+315}
<ffffffff8019b457>{update_atime+151}
<4> <ffffffff8015ddfa>{do_generic_mapping_read+1098}
<ffffffff80161311>{buffered_rmqueue+529}
<4> <ffffffff8012fbe5>{activate_task+149}
<ffffffff8013003b>{try_to_wake_up+1083}
<4> <ffffffff8014b2f0>{autoremove_wake_function+0}
<ffffffff8029e38b>{sys_recvmsg+395}
<4> <ffffffff8018e477>{pipe_writev+1319}
<ffffffff80181208>{vfs_write+344}
<4> <ffffffff80181343>{sys_write+83}
<ffffffff8010dc4e>{system_call+126}
<4>
<4>Badness in __kfree_skb at net/core/skbuff.c:330
<4>
<4>Call Trace:<ffffffff802a2f77>{__kfree_skb+167}
<ffffffff802bb597>{netlink_recvmsg+279}
<4> <ffffffff8029cb2b>{sock_recvmsg+315}
<ffffffff8019b457>{update_atime+151}
<4> <ffffffff8015ddfa>{do_generic_mapping_read+1098}
<ffffffff80161311>{buffered_rmqueue+529}
<4> <ffffffff8012fbe5>{activate_task+149}
<ffffffff8013003b>{try_to_wake_up+1083}
<4> <ffffffff8014b2f0>{autoremove_wake_function+0}
<ffffffff8029e38b>{sys_recvmsg+395}
<4> <ffffffff8018e477>{pipe_writev+1319}
<ffffffff80181208>{vfs_write+344}
<4> <ffffffff80181343>{sys_write+83}
<ffffffff8010dc4e>{system_call+126}
<4>
<4>Badness in __kfree_skb at net/core/skbuff.c:330
<4>
<4>Call Trace:<ffffffff802a2f77>{__kfree_skb+167}
<ffffffff802bb597>{netlink_recvmsg+279}
<4> <ffffffff8029cb2b>{sock_recvmsg+315}
<ffffffff8019b457>{update_atime+151}
<4> <ffffffff8015ddfa>{do_generic_mapping_read+1098}
<ffffffff80161311>{buffered_rmqueue+529}
<4> <ffffffff8012fbe5>{activate_task+149}
<ffffffff8013003b>{try_to_wake_up+1083}
<4> <ffffffff8014b2f0>{autoremove_wake_function+0}
<ffffffff8029e38b>{sys_recvmsg+395}
<4> <ffffffff8018e477>{pipe_writev+1319}
<ffffffff80181208>{vfs_write+344}
<4> <ffffffff80181343>{sys_write+83}
<ffffffff8010dc4e>{system_call+126}
<4>
<3>scheduling while atomic: conntrack/0xffffff00/32033
<4>
<4>Call Trace:<ffffffff8031d67d>{schedule+125}
<ffffffff80181208>{vfs_write+344}
<4> <ffffffff80181343>{sys_write+83}
<ffffffff8010dcb8>{sysret_careful+13}
<4>
> I don't think so. Deti reports similer oops on 2.6.14 which has been already
> out, so this should be fixed asap.
good idea.
Deti
next prev parent reply other threads:[~2005-10-31 20:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-28 11:06 Unknown Attribute 5/conntrack -L Krzysztof Oledzki
2005-10-30 15:02 ` Pablo Neira
2005-10-30 22:08 ` Krzysztof Oledzki
2005-10-31 3:42 ` Pablo Neira
2005-10-31 7:51 ` Krzysztof Oledzki
2005-10-31 14:41 ` Pablo Neira
2005-10-31 14:46 ` Krzysztof Oledzki
2005-10-31 19:02 ` Yasuyuki KOZAKAI
2005-10-31 20:36 ` Deti Fliegl [this message]
2005-11-03 18:06 ` Harald Welte
[not found] ` <200510311902.j9VJ28Dq026610@toshiba.co.jp>
2005-11-03 13:46 ` Krzysztof Oledzki
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