netdev - Kernel panic in eth

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Date:   Tue, 5 Feb 2019 18:29:45 +0200
From:   Andrew <nitr0@...i.kr.ua>
To:     Netdev <netdev@...r.kernel.org>
Subject: Kernel panic in eth_header

Hi all.

After upgrade on PPPoE BRAS to kernel 4.9.153 I've got an kernel panic 
after a 3 days of uptime.

Unfortunately kernel is compiled w/o debug info; I rebuilt kernel with 
debug info enabled (kernel is compiled with same function addresses - I 
compare vmlinux symbol maps) - it says that panic is in 
net/ethernet/eth.c:88

Below there is a kernel panic trace. igb is from vendor, ver. 5.3.5.4. 
What extra info is needed?

[263565.106441] BUG: unable to handle kernel paging request at 
ffff88015a4d2dd4
[263565.113527] IP: [<ffffffff8158e48b>] eth_header+0x3b/0xc0
[263565.119030] PGD 1e8f067 [263565.121474] PUD 0
[263565.123580]
[263565.125166] Oops: 0002 [#1] SMP
[263565.128398] Modules linked in: xt_nat iptable_nat nf_conntrack_ipv4 
nf_defrag_ipv4 nf_nat_ipv4 iptable_filter xt_length xt_TCPMSS xt_tcpudp 
xt_mark xt_dscp iptable_mangle ip_tables x_tables nf_nat_pptp 
nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre nf_nat 
nf_conntrack sch_sfq sch_htb cls_u32 sch_ingress sch_prio sch_tbf 
cls_flow cls_fw act_police ifb 8021q mrp garp stp llc softdog pppoe 
pppox ppp_generic slhc i2c_nforce2 i2c_core igb(O) parport_pc dca 
parport thermal asus_atk0110 fan ptp k10temp hwmon pps_core nv_tco
[263565.176083] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G           O    
4.9.153-x86_64 #1
[263565.183996] Hardware name: System manufacturer System Product 
Name/M2N-E, BIOS ASUS M2N-E ACPI BIOS Revision 5001 03/23/2010
[263565.195289] task: ffff88007d0f5200 task.stack: ffffc9000006c000
[263565.201295] RIP: 0010:[<ffffffff8158e48b>] [<ffffffff8158e48b>] 
eth_header+0x3b/0xc0
[263565.209225] RSP: 0018:ffff88007fa83c58  EFLAGS: 00010286
[263565.214622] RAX: ffff88015a4d2dc8 RBX: 0000000000000008 RCX: 
ffff8800682434a0
[263565.221843] RDX: ffff88015a4d2dc8 RSI: ffff88015a4d2dc8 RDI: 
ffff880077aab000
[263565.229062] RBP: ffff88007b663d90 R08: ffff88007b663d90 R09: 
0000000000000574
[263565.236281] R10: ffff88007d1fa000 R11: 0000000000000000 R12: 
ffff8800682434a0
[263565.243501] R13: ffff88007d1fa000 R14: 0000000000000574 R15: 
0000000000000008
[263565.250719] FS:  0000000000000000(0000) GS:ffff88007fa80000(0000) 
knlGS:0000000000000000
[263565.258894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[263565.264725] CR2: ffff88015a4d2dd4 CR3: 000000007ad73000 CR4: 
00000000000006f0
[263565.271944] Stack:
[263565.274041]  ffff880077aab000 ffff880068243400 ffff88007a745000 
ffff8800682434a0
[263565.281582]  0000000000000002 ffffffff81571d09 ffff880068243400 
ffff88007fa83d00
[263565.289121]  ffff88007a745000 ffff880077aab000 ffff88007a712000 
ffffffff815a8c61
[263565.296661] Call Trace:
[263565.299193]  <IRQ> [263565.301205] [<ffffffff81571d09>] ? 
neigh_connected_output+0xa9/0x100
[263565.307740]  [<ffffffff815a8c61>] ? ip_finish_output2+0x221/0x400
[263565.313920]  [<ffffffff8159e144>] ? nf_iterate+0x54/0x60
[263565.319319]  [<ffffffff815ab2fa>] ? ip_output+0x6a/0xf0
[263565.324631]  [<ffffffff8159e102>] ? nf_iterate+0x12/0x60
[263565.330030]  [<ffffffff815aa6e0>] ? ip_fragment.constprop.5+0x80/0x80
[263565.336556]  [<ffffffff815a73b6>] ? ip_forward+0x396/0x480
[263565.342128]  [<ffffffff815a6fb0>] ? ip_check_defrag+0x1e0/0x1e0
[263565.348134]  [<ffffffff815a5a2e>] ? ip_rcv+0x2ae/0x370
[263565.353361]  [<ffffffffa0107c02>] ? pppoe_rcv_core+0xd2/0x160 [pppoe]
[263565.359888]  [<ffffffff815a5170>] ? ip_local_deliver_finish+0x1d0/0x1d0
[263565.366586]  [<ffffffff81562a57>] ? __netif_receive_skb_core+0x527/0xa80
[263565.373373]  [<ffffffff81567632>] ? process_backlog+0x92/0x130
[263565.379291]  [<ffffffff8156745d>] ? net_rx_action+0x24d/0x390
[263565.385124]  [<ffffffff81628374>] ? __do_softirq+0xf4/0x2a0
[263565.390784]  [<ffffffff8107136c>] ? irq_exit+0xbc/0xd0
[263565.396008]  [<ffffffff81626cd6>] ? 
call_function_single_interrupt+0x96/0xa0
[263565.403141]  <EOI> [263565.405153] [<ffffffff81623eb0>] ? 
__sched_text_end+0x2/0x2
[263565.410907]  [<ffffffff81624182>] ? native_safe_halt+0x2/0x10
[263565.416741]  [<ffffffff81623ec8>] ? default_idle+0x18/0xd0
[263565.422314]  [<ffffffff810a7a46>] ? cpu_startup_entry+0x126/0x220
[263565.428492]  [<ffffffff8104c261>] ? start_secondary+0x161/0x180
[263565.434496] Code: 0e 00 00 00 53 89 d3 49 89 cc 4c 89 c5 45 89 ce e8 
bb 8a fc ff 66 83 fb 01 48 89 c6 74 44 66 83 fb 04 74 3e 66 c1 c3 08 48 
85 ed <66> 89 58 0c 74 40 8b 45 00 4d 85 e4 89 46 06 0f b7 45 04 66 89
[263565.454534] RIP  [<ffffffff8158e48b>] eth_header+0x3b/0xc0
[263565.460124]  RSP <ffff88007fa83c58>
[263565.463696] CR2: ffff88015a4d2dd4
[263565.467104] ---[ end trace a1bcaf3618724adf ]---
[263565.471807] Kernel panic - not syncing: Fatal exception in interrupt
[263565.478245] Kernel Offset: disabled
[263565.481818] Rebooting in 5 seconds..