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

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From: Tantilov, Emil S <emil.s.tantilov@...>
To: NetDev <netdev@...>
Cc: Brandeburg, Jesse <jesse.brandeburg@...>, Kirsher, Jeffrey T <jeffrey.t.kirsher@...>
Subject: WARNING: at include/net/sock.h:417 udp_lib_unhash
Date: Wednesday, July 1, 2009 - 2:08 pm

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]  [] ? udp_lib_unhash+0x81/0xab

[45197.994344]  [] warn_slowpath_common+0x77/0x8f

[45197.994349]  [] warn_slowpath_null+0xf/0x11

[45197.994352]  [] udp_lib_unhash+0x81/0xab

[45197.994357]  [] sk_common_release+0x2f/0xb4

[45197.994364]  [] udp_lib_close+0x9/0xb

[45197.994369]  [] inet_release+0x58/0x5f

[45197.994374]  [] inet6_release+0x30/0x35

[45197.994383]  [] sock_release+0x1a/0x6c

[45197.994386]  [] sock_close+0x22/0x26

[45197.994392]  [] __fput+0xf0/0x18c

[45197.994395]  [] fput+0x15/0x19

[45197.994399]  [] filp_close+0x5c/0x67

[45197.994404]  [] sys_close+0x7b/0xb6

[45197.994412]  [] 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, 2:08 pm)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Eric Dumazet, (Thu Jul 2, 2:10 am)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Emil S Tantilov, (Mon Jul 6, 8:54 pm)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Eric Dumazet, (Tue Jul 7, 3:21 am)
Re: WARNING: at include/net/sock.h:417 udp_lib_unhash, Eric Dumazet, (Tue Jul 7, 3:40 am)
[PATCH] net: sk_alloc() should not blindly overwrite memory, Eric Dumazet, (Tue Jul 7, 12:14 pm)
RE: [PATCH] net: sk_alloc() should not blindly overwrite mem..., Tantilov, Emil S, (Tue Jul 7, 2:33 pm)
[PATCH] net: sk_prot_alloc() should not blindly overwrite me..., Eric Dumazet, (Tue Jul 7, 6:33 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., David Miller, (Tue Jul 7, 10:14 pm)
RE: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Tantilov, Emil S, (Wed Jul 8, 1:02 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., David Miller, (Wed Jul 8, 1:45 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Eric Dumazet, (Wed Jul 8, 7:21 pm)
RE: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Tantilov, Emil S, (Wed Jul 8, 7:35 pm)
[PATCH] net: ip_push_pending_frames() fix, Eric Dumazet, (Wed Jul 8, 8:20 pm)
Re: [PATCH] net: ip_push_pending_frames() fix, David Miller, (Sat Jul 11, 11:27 pm)
RE: [PATCH] net: ip_push_pending_frames() fix, Tantilov, Emil S, (Thu Jul 9, 10:32 am)
Re: [PATCH] net: ip_push_pending_frames() fix, Eric Dumazet, (Thu Jul 9, 10:38 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Eric Dumazet, (Wed Jul 8, 2:50 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Eric Dumazet, (Thu Jul 9, 1:36 am)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., David Miller, (Sat Jul 11, 11:27 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Eric Dumazet, (Sun Jul 12, 3:07 am)
[PATCH] net: nf_conntrack_alloc() should not use kmem_cache_..., Eric Dumazet, (Wed Jul 15, 8:28 am)
Re: [PATCH] net: nf_conntrack_alloc() should not use kmem_ca..., Patrick McHardy, (Wed Jul 15, 11:28 am)
[PATCH] net: nf_conntrack_alloc() fixes, Eric Dumazet, (Wed Jul 15, 3:54 pm)
Re: [PATCH] net: nf_conntrack_alloc() fixes, Patrick McHardy, (Thu Jul 16, 8:05 am)
[PATCH] net: sock_copy() fixes, Eric Dumazet, (Thu Jul 16, 5:13 am)
Re: [PATCH] net: sock_copy() fixes, David Miller, (Thu Jul 16, 9:09 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Paul E. McKenney, (Thu Jul 9, 1:13 pm)
Re: [PATCH] net: sk_prot_alloc() should not blindly overwrit..., Eric Dumazet, (Thu Jul 9, 4:50 pm)