netdev - Re: [net-next PATCH] fib_trie: Only display main table in /proc/net/route

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Message-ID: <1426187629.11398.172.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 12 Mar 2015 12:13:49 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alexander Duyck <alexander.h.duyck@...hat.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [net-next PATCH] fib_trie: Only display main table in
 /proc/net/route

Alex,

I caught this message with latest net-next

[   31.449563] WARNING: CPU: 2 PID: 10307 at net/ipv4/fib_trie.c:1124 fib_table_insert+0x467/0x4d0()
[   31.449564] Modules linked in: w1_therm wire cdc_acm ehci_pci ehci_hcd i2c_dev i2c_i801 i2c_core msr cpuid ib_uverbs mlx4_ib ib_sa ib_mad ib_core ib_addr ip6table_mangle ip6_tables ipv6 xt_multiport iptable_mangle
[   31.449576] CPU: 2 PID: 10307 Comm: route Not tainted 4.0.0-smp-DEV #1321
[   31.449578]  ffffffff8197e8b3 ffff883ff235fa78 ffffffff8160c40f 00000000000000d5
[   31.449579]  0000000000000000 ffff883ff235fab8 ffffffff810a35d7 0000000000000000
[   31.449581]  0000000000000000 000000007f000000 ffff883ff235fb90 0000000000000008
[   31.449582] Call Trace:
[   31.449587]  [<ffffffff8160c40f>] dump_stack+0x45/0x57
[   31.449591]  [<ffffffff810a35d7>] warn_slowpath_common+0x97/0xe0
[   31.449592]  [<ffffffff810a363a>] warn_slowpath_null+0x1a/0x20
[   31.449594]  [<ffffffff815e5fc7>] fib_table_insert+0x467/0x4d0
[   31.449597]  [<ffffffff815e10de>] ip_rt_ioctl+0x30e/0x460
[   31.449599]  [<ffffffff811e0000>] ? do_readv_writev+0x70/0x2e0
[   31.449601]  [<ffffffff815d9485>] inet_ioctl+0x65/0x90
[   31.449604]  [<ffffffff81541e90>] sock_do_ioctl+0x30/0x70
[   31.449606]  [<ffffffff81541fef>] routing_ioctl+0x11f/0x220
[   31.449608]  [<ffffffff81546c68>] ? sk_prot_alloc+0x48/0x1a0
[   31.449610]  [<ffffffff811e0000>] ? do_readv_writev+0x70/0x2e0
[   31.449611]  [<ffffffff81542a52>] compat_sock_ioctl+0x702/0x930
[   31.449613]  [<ffffffff81542d11>] ? sock_alloc_file+0x91/0x120
[   31.449616]  [<ffffffff811fc7bb>] ? __fd_install+0x2b/0x60
[   31.449617]  [<ffffffff811fc815>] ? fd_install+0x25/0x30
[   31.449619]  [<ffffffff81542deb>] ? sock_map_fd+0x4b/0x70
[   31.449621]  [<ffffffff81230233>] compat_SyS_ioctl+0xf3/0x1220
[   31.449624]  [<ffffffff8157f27e>] ? compat_SyS_socketcall+0x9e/0x4a0
[   31.449626]  [<ffffffff81095dec>] ? do_page_fault+0xc/0x10
[   31.449629]  [<ffffffff81614c93>] sysenter_dispatch+0x7/0x1a
[   31.449630] ---[ end trace 0f37afa3e6f481a5 ]---



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