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WARNING: at include/net/sock.h:417 udp_lib_unhash

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From: Tantilov, Emil S
Subject: WARNING: at include/net/sock.h:417 udp_lib_unhash
Date: Wednesday, July 1, 2009 - 11:08 am

I see the following trace during netperf stress mixed UDP/TCP IPv4/6 traffic. This is on recent pulls from net-2.6 and net-next.

[45197.989163] ------------[ cut here ]------------
[45197.994309] WARNING: at include/net/sock.h:417 udp_lib_unhash+0x81/0xab()
[45197.994311] Hardware name: X7DA8
[45197.994314] Modules linked in: e1000 [last unloaded: e1000]
[45197.994326] Pid: 7110, comm: netserver Tainted: G        W  2.6.31-rc1-net-next-e1000-06250902 #8
[45197.994331] Call Trace:
[45197.994336]  [<ffffffff8135e0dc>] ? udp_lib_unhash+0x81/0xab
[45197.994344]  [<ffffffff8103cac9>] warn_slowpath_common+0x77/0x8f
[45197.994349]  [<ffffffff8103caf0>] warn_slowpath_null+0xf/0x11
[45197.994352]  [<ffffffff8135e0dc>] udp_lib_unhash+0x81/0xab
[45197.994357]  [<ffffffff81301acb>] sk_common_release+0x2f/0xb4
[45197.994364]  [<ffffffff813a0256>] udp_lib_close+0x9/0xb
[45197.994369]  [<ffffffff81364259>] inet_release+0x58/0x5f
[45197.994374]  [<ffffffff8138c8bd>] inet6_release+0x30/0x35
[45197.994383]  [<ffffffff812ff273>] sock_release+0x1a/0x6c
[45197.994386]  [<ffffffff812ff763>] sock_close+0x22/0x26
[45197.994392]  [<ffffffff810c69a0>] __fput+0xf0/0x18c
[45197.994395]  [<ffffffff810c6d00>] fput+0x15/0x19
[45197.994399]  [<ffffffff810c3c3e>] filp_close+0x5c/0x67
[45197.994404]  [<ffffffff810c3cc4>] sys_close+0x7b/0xb6
[45197.994412]  [<ffffffff8100baeb>] system_call_fastpath+0x16/0x1b
[45197.994418] ---[ end trace 5acab6fc0afdaaa3 ]---

Emil--
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Messages in current thread:
WARNING: at include/net/sock.h:417 udp_lib_unhash, Tantilov, Emil S, (Wed Jul 1, 11:08 am)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Eric Dumazet, (Wed Jul 1, 11:10 pm)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Emil S Tantilov, (Mon Jul 6, 5:54 pm)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Eric Dumazet, (Tue Jul 7, 12:21 am)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Eric Dumazet, (Tue Jul 7, 12:40 am)
[PATCH] net: sk_alloc() should not blindly overwrite memory, Eric Dumazet, (Tue Jul 7, 9:14 am)
RE: [PATCH] net: sk_alloc() should not blindly overwrite m ..., Tantilov, Emil S, (Tue Jul 7, 11:33 am)
[PATCH] net: sk_prot_alloc() should not blindly overwrite ..., Eric Dumazet, (Tue Jul 7, 3:33 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., David Miller, (Tue Jul 7, 7:14 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Eric Dumazet, (Tue Jul 7, 11:50 pm)
RE: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Tantilov, Emil S, (Wed Jul 8, 10:02 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., David Miller, (Wed Jul 8, 10:45 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Eric Dumazet, (Wed Jul 8, 4:21 pm)
RE: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Tantilov, Emil S, (Wed Jul 8, 4:35 pm)
[PATCH] net: ip_push_pending_frames() fix, Eric Dumazet, (Wed Jul 8, 5:20 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Eric Dumazet, (Wed Jul 8, 10:36 pm)
RE: [PATCH] net: ip_push_pending_frames() fix, Tantilov, Emil S, (Thu Jul 9, 7:32 am)
Re: [PATCH] net: ip_push_pending_frames() fix, Eric Dumazet, (Thu Jul 9, 7:38 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Paul E. McKenney, (Thu Jul 9, 10:13 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Eric Dumazet, (Thu Jul 9, 1:50 pm)
Re: [PATCH] net: ip_push_pending_frames() fix, David Miller, (Sat Jul 11, 8:27 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., David Miller, (Sat Jul 11, 8:27 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwr ..., Eric Dumazet, (Sun Jul 12, 12:07 am)
[PATCH] net: nf_conntrack_alloc() should not use kmem_cach ..., Eric Dumazet, (Wed Jul 15, 5:28 am)
Re: [PATCH] net: nf_conntrack_alloc() should not use kmem_ ..., Patrick McHardy, (Wed Jul 15, 8:28 am)
[PATCH] net: nf_conntrack_alloc() fixes, Eric Dumazet, (Wed Jul 15, 12:54 pm)
[PATCH] net: sock_copy() fixes, Eric Dumazet, (Thu Jul 16, 2:13 am)
Re: [PATCH] net: nf_conntrack_alloc() fixes, Patrick McHardy, (Thu Jul 16, 5:05 am)
Re: [PATCH] net: sock_copy() fixes, David Miller, (Thu Jul 16, 6:09 pm)