Message-ID: <c323cf7c53c75339e3b7d1c4d678f50b@nuclearcat.com>
Date:   Wed, 11 Apr 2018 18:51:17 +0300
From:   Denys Fedoryshchenko <nuclearcat@...learcat.com>
To:     Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: 4.15.13 kernel panic, ip_rcv_finish, nf_xfrm_me_harder warnings
 continue to fill dmesg

Apr 11 18:01:34[99194.935520] general protection fault: 0000 [#1] SMP
Apr 11 18:01:34[99194.935998] Modules linked in: pppoe pppox ppp_generic 
slhc ip_set_hash_net xt_nat xt_string xt_connmark xt_TCPMSS xt_mark 
xt_CT xt_set xt_tcpudp ip_set_bitmap_port ip_set nfnetlink
iptable_raw iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 
nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle ip_tables x_tables 
netconsole configfs 8021q garp mrp stp llc ixgbe dca ipv6
Apr 11 18:01:34[99194.938313] CPU: 23 PID: 150 Comm: ksoftirqd/23 
Tainted: G        W        4.15.13-build-0135 #4
Apr 11 18:01:34[99194.939258] Hardware name: Intel Corporation 
S2600GZ/S2600GZ, BIOS SE5C600.86B.02.04.0003.102320141138 10/23/2014
Apr 11 18:01:34[99194.940189] RIP: 0010:ip_rcv_finish+0x2b5/0x2e5
Apr 11 18:01:34[99194.940716] RSP: 0018:ffffc9000cad7cf8 EFLAGS: 
00010286
Apr 11 18:01:34[99194.941214] RAX: ffff00e2ffff476d RBX: 
ffff88178f944400 RCX: ffff88179a32a800
Apr 11 18:01:34[99194.941741] RDX: ffff88178f944400 RSI: 
0000000000000000 RDI: ffff88178f944400
Apr 11 18:01:34[99194.942234] RBP: ffff882fd580d000 R08: 
0000000000000001 R09: ffff882fd034ee00
Apr 11 18:01:34[99194.942771] R10: ffffc9000cad7b58 R11: 
00000000e92316b9 R12: ffff88179a32a8d6
Apr 11 18:01:34[99194.943286] R13: ffff882fd580d000 R14: 
0000000000ea0008 R15: ffff882fd580d078
Apr 11 18:01:34[99194.943821] FS:  0000000000000000(0000) 
GS:ffff88303fcc0000(0000) knlGS:0000000000000000
Apr 11 18:01:34[99194.944779] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Apr 11 18:01:34[99194.945287] CR2: 00007f8bb37888f0 CR3: 
000000303e209003 CR4: 00000000001606e0
Apr 11 18:01:34[99194.945808] Call Trace:
Apr 11 18:01:34[99194.946307]  ip_rcv+0x2f2/0x325
Apr 11 18:01:34[99194.946816]  ? ip_local_deliver_finish+0x187/0x187
Apr 11 18:01:34[99194.947331]  __netif_receive_skb_core+0x81c/0x89c
Apr 11 18:01:34[99194.947872]  ? napi_complete_done+0xb4/0xba
Apr 11 18:01:34[99194.948391]  ? ixgbe_poll+0xf96/0x104d [ixgbe]
Apr 11 18:01:34[99194.948931]  ? process_backlog+0x8b/0x10d
Apr 11 18:01:34[99194.949424]  process_backlog+0x8b/0x10d
Apr 11 18:01:34[99194.949953]  net_rx_action+0x127/0x2b5
Apr 11 18:01:34[99194.950445]  __do_softirq+0xc1/0x1b1
Apr 11 18:01:34[99194.950951]  ? sort_range+0x17/0x17
Apr 11 18:01:34[99194.951442]  run_ksoftirqd+0x11/0x22
Apr 11 18:01:34[99194.951972]  smpboot_thread_fn+0x121/0x136
Apr 11 18:01:34[99194.952489]  kthread+0xfd/0x105
Apr 11 18:01:34[99194.953018]  ? kthread_create_on_node+0x3a/0x3a
Apr 11 18:01:34[99194.953528]  ret_from_fork+0x1f/0x30
Apr 11 18:01:34[99194.954047] Code: 15 77 9e 99 00 83 7a 7c 00 75 37 83 
b8 2c 01 00 00 00 75 2e 48 8b 43 58 48 89 df 5b 5d 48 83 e0 fe 41 5c 41 
5d 41 5e 48 8b 40 50 <ff> e0 83 f8 ee 75 10 49 8b 84 24
90 01 00 00 65 48 ff 80 40 02
Apr 11 18:01:34[99194.955449] RIP: ip_rcv_finish+0x2b5/0x2e5 RSP: 
ffffc9000cad7cf8
Apr 11 18:01:34[99194.956008] ---[ end trace 312b0bf537b4709a ]---
Apr 11 18:01:34[99195.007900] Kernel panic - not syncing: Fatal 
exception in interrupt
Apr 11 18:01:34[99195.008400] Kernel Offset: disabled
Apr 11 18:01:34[99195.013950] Rebooting in 5 seconds..
--------------


and i reported before about warnings in nf_frm_me_harder, but probably 
nobody have interest to take a look, and it is seems plaguing 4.15.x and 
nearby versions kernels . Here is one of such warnings.

-----------------------
Apr 11 00:00:17[34320.802349] dst_release: dst:00000000b32dca17 
refcnt:-2
Apr 11 00:00:19[34323.018468] WARNING: CPU: 7 PID: 0 at 
./include/net/dst.h:256 nf_xfrm_me_harder+0x62/0xfe [nf_nat]
Apr 11 00:00:19[34323.019357] Modules linked in: pppoe pppox ppp_generic 
slhc ip_set_hash_net xt_nat xt_string xt_connmark xt_TCPMSS xt_mark 
xt_CT xt_set xt_tcpudp ip_set_bitmap_port ip_set nfnetlink
iptable_raw iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 
nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle ip_tables x_tables 
netconsole configfs 8021q garp mrp stp llc ixgbe dca ipv6
Apr 11 00:00:19[34323.021503] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G   
      W        4.15.13-build-0135 #4
Apr 11 00:00:19[34323.022380] Hardware name: Intel Corporation 
S2600GZ/S2600GZ, BIOS SE5C600.86B.02.04.0003.102320141138 10/23/2014
Apr 11 00:00:19[34323.023261] RIP: 0010:nf_xfrm_me_harder+0x62/0xfe 
[nf_nat]
Apr 11 00:00:19[34323.023737] RSP: 0018:ffff88303fa43c90 EFLAGS: 
00010246
Apr 11 00:00:19[34323.024218] RAX: 0000000000000000 RBX: 
ffff8817b2c35200 RCX: 0000000000000000
Apr 11 00:00:19[34323.024703] RDX: 0000000000000002 RSI: 
ffff88178fab3700 RDI: ffff88303fa43cd0
Apr 11 00:00:19[34323.025214] RBP: ffffffff822a6180 R08: 
0000000000000005 R09: 0000000000000001
Apr 11 00:00:19[34323.025717] R10: 00000000000000d6 R11: 
ffff8817c945bca0 R12: 0000000000000001
Apr 11 00:00:19[34323.026214] R13: ffff88303fa43d60 R14: 
0000000000ce0008 R15: ffff8817b7477078
Apr 11 00:00:19[34323.026736] FS:  0000000000000000(0000) 
GS:ffff88303fa40000(0000) knlGS:0000000000000000
Apr 11 00:00:19[34323.027680] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Apr 11 00:00:19[34323.028209] CR2: 00007f3557e13490 CR3: 
000000303e209002 CR4: 00000000001606e0
Apr 11 00:00:19[34323.028709] Call Trace:
Apr 11 00:00:19[34323.029181]  <IRQ>
Apr 11 00:00:19[34323.029670]  nf_nat_ipv4_out+0xa7/0xbb [nf_nat_ipv4]
Apr 11 00:00:19[34323.030161]  nf_hook_slow+0x31/0x90
Apr 11 00:00:19[34323.030681]  ip_output+0x93/0xaf
Apr 11 00:00:19[34323.031158]  ? ip_fragment.constprop.5+0x6e/0x6e
Apr 11 00:00:19[34323.031668]  ip_forward+0x327/0x36a
Apr 11 00:00:19[34323.032173]  ? ip_frag_mem+0x7/0x7
Apr 11 00:00:19[34323.032689]  ip_rcv+0x2f2/0x325
Apr 11 00:00:19[34323.033179]  ? ip_local_deliver_finish+0x187/0x187
Apr 11 00:00:19[34323.033680]  __netif_receive_skb_core+0x81c/0x89c
Apr 11 00:00:19[34323.034179]  ? process_backlog+0x8b/0x10d
Apr 11 00:00:19[34323.034701]  process_backlog+0x8b/0x10d
Apr 11 00:00:19[34323.035177]  net_rx_action+0x127/0x2b5
Apr 11 00:00:19[34323.035694]  __do_softirq+0xc1/0x1b1
Apr 11 00:00:19[34323.036202]  irq_exit+0x49/0x88
Apr 11 00:00:19[34323.036728]  call_function_single_interrupt+0x77/0x80
Apr 11 00:00:19[34323.037213]  </IRQ>
Apr 11 00:00:19[34323.037698] RIP: 0010:mwait_idle+0x52/0x64
Apr 11 00:00:19[34323.038273] RSP: 0018:ffffc9000c607f00 EFLAGS: 
00000246 ORIG_RAX: ffffffffffffff04
Apr 11 00:00:19[34323.039183] RAX: 0000000000000000 RBX: 
0000000000000000 RCX: 0000000000000000
Apr 11 00:00:19[34323.039701] RDX: 0000000000000000 RSI: 
0000000000000000 RDI: 0000000000000000
Apr 11 00:00:19[34323.040211] RBP: 0000000000000000 R08: 
012105aacb441779 R09: ffffffff82244640
Apr 11 00:00:19[34323.040742] R10: ffffc9000c607e90 R11: 
0000000000000046 R12: 0000000000000007
Apr 11 00:00:19[34323.041236] R13: 0000000000000000 R14: 
0000000000000000 R15: 0000000000000000
Apr 11 00:00:19[34323.041777]  do_idle+0xae/0x137
Apr 11 00:00:19[34323.042292]  cpu_startup_entry+0x57/0x59
Apr 11 00:00:19[34323.042814]  start_secondary+0x151/0x154
Apr 11 00:00:19[34323.043305]  secondary_startup_64+0xa5/0xb0
Apr 11 00:00:19[34323.043819] Code: 48 83 e6 fe 48 83 7e 48 00 74 07 48 
8b b6 80 01 00 00 8b 86 80 00 00 00 85 c0 74 0f 8d 50 01 f0 0f b1 96 80 
00 00 00 74 04 eb ed <0f> 0b 48 8b 4b 18 48 8d 54 24 08
45 31 c0 48 89 ef e8 c5 ff 83
Apr 11 00:00:19[34323.045208] ---[ end trace 312b0bf537b46b33 ]---
Apr 11 00:00:19[34323.045739] dst_release: dst:00000000156ec4ca 
refcnt:-1

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