======================================
| [ 2.016664] ip (243) used greatest stack depth: 12344 bytes left
| [ 10.688538] ------------[ cut here ]------------
| [ 10.688586] kernel BUG at net/core/skbuff.c:3505!
| [ 10.688628] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 10.688712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 10.688776] Workqueue: mld mld_ifc_work
[ 10.688807] RIP: 0010:__skb_checksum (net/core/skbuff.c:3505 (discriminator 1))
[ 10.688841] Code: 89 5c 24 04 44 89 d9 44 89 ff 44 89 ea ff d0 0f 1f 00 44 8b 5c 24 04 41 89 c7 eb b6 ff d0 0f 1f 00 41 89 c1 e9 71 fd ff ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90
All code
========
0: 89 5c 24 04 mov %ebx,0x4(%rsp)
4: 44 89 d9 mov %r11d,%ecx
7: 44 89 ff mov %r15d,%edi
a: 44 89 ea mov %r13d,%edx
d: ff d0 call *%rax
f: 0f 1f 00 nopl (%rax)
12: 44 8b 5c 24 04 mov 0x4(%rsp),%r11d
17: 41 89 c7 mov %eax,%r15d
1a: eb b6 jmp 0xffffffffffffffd2
1c: ff d0 call *%rax
1e: 0f 1f 00 nopl (%rax)
21: 41 89 c1 mov %eax,%r9d
24: e9 71 fd ff ff jmp 0xfffffffffffffd9a
29: 90 nop
2a:* 0f 0b ud2 <-- trapping instruction
2c: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
33: 00 00 00 00
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
9: 00 00 00 00
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
[ 10.688936] RSP: 0018:ffffb05f40114db0 EFLAGS: 00010206
[ 10.688968] RAX: 000000000000007e RBX: 0000000000000008 RCX: ffffa059424b8400
[ 10.689012] RDX: ffffa05942215c00 RSI: 0000000000000100 RDI: ffffa05942215b00
[ 10.689056] RBP: ffffb05f40114e08 R08: ffffb05f40114e08 R09: 0000000078dd0303
[ 10.689101] R10: 0000000000000008 R11: ffffa059453a7c00 R12: ffffa05943578000
[ 10.689139] R13: 0000000000000008 R14: 0000000000000000 R15: 0000000078dd0303
[ 10.689180] FS: 0000000000000000(0000) GS:ffffa0597ed00000(0000) knlGS:0000000000000000
[ 10.689224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.689260] CR2: 0000562ca56c7dec CR3: 0000000001b82003 CR4: 0000000000770ef0
[ 10.689300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.689343] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.689381] PKRU: 55555554
[ 10.689394] Call Trace:
[ 10.689410]
[ 10.689426] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447)
[ 10.689454] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154)
[ 10.689479] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1))
[ 10.689505] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175)
[ 10.689529] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1))
[ 10.689555] ? exc_invalid_op (arch/x86/kernel/traps.c:265)
[ 10.689580] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1))
[ 10.689605] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568)
[ 10.689631] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1))
[ 10.689656] __skb_checksum_complete (./arch/x86/include/asm/checksum_64.h:170 ./arch/x86/include/asm/checksum_64.h:180 net/core/skbuff.c:3643)
[ 10.689687] ? __pfx_csum_partial_ext (./include/net/checksum.h:120)
[ 10.689719] ? __pfx_csum_block_add_ext (./include/net/checksum.h:103)
[ 10.689750] icmp_rcv (./include/linux/skbuff.h:4567 net/ipv4/icmp.c:1213)
[ 10.689777] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 10.689808] ip_local_deliver_finish (./include/linux/rcupdate.h:782 net/ipv4/ip_input.c:234)
[ 10.689838] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4))
[ 10.689871] process_backlog (./include/linux/rcupdate.h:782 net/core/dev.c:6053)
[ 10.689895] __napi_poll (net/core/dev.c:6703)
[ 10.689922] net_rx_action (net/core/dev.c:6774 net/core/dev.c:6886)
[ 10.689946] __do_softirq (kernel/softirq.c:553)
[ 10.689972] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 10.689999]
[ 10.690017]
[ 10.690030] __local_bh_enable_ip (kernel/softirq.c:381)
[ 10.690055] __dev_queue_xmit (net/core/dev.c:4400)
[ 10.690080] ? eth_header (net/ethernet/eth.c:85)
[ 10.690106] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 10.690133] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 10.690156] mld_sendpack (net/ipv6/mcast.c:1822)
[ 10.690183] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 10.690206] process_one_work (kernel/workqueue.c:2633)
[ 10.690232] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 10.690263] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
[ 10.690289] ? __pfx_worker_thread (kernel/workqueue.c:2733)
[ 10.690320] kthread (kernel/kthread.c:388)
[ 10.690346] ? __pfx_kthread (kernel/kthread.c:341)
[ 10.690370] ret_from_fork (arch/x86/kernel/process.c:147)
[ 10.690396] ? __pfx_kthread (kernel/kthread.c:341)
Finger prints:
__skb_checksum:__skb_checksum_complete:icmp_rcv:ip_protocol_deliver_rcu