skbuff: skb_over_panic: text:ffffffff827235b8 len:56 put:8 head:ffff8801a438f680 data:ffff8801a438f710 tail:0xc8 end:0xc0 dev:ip6tnl0
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kernel BUG at net/core/skbuff.c:105!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 5924 Comm: kworker/1:1 Not tainted 4.9.141+ #1
Workqueue: ipv6_addrconf addrconf_dad_work
task: ffff8801c764df00 task.stack: ffff8801c7300000
RIP: 0010:[<ffffffff827f8512>]  [<ffffffff827f8512>] skb_panic+0x166/0x168 net/core/skbuff.c:105
RSP: 0018:ffff8801c7307758  EFLAGS: 00010282
RAX: 0000000000000085 RBX: ffff8801c6ee43c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81226ef2 RDI: ffff8801c764e7ac
RBP: ffff8801c73077c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8801d7ea2200
R13: ffff8801a438f710 R14: 00000000000000c8 R15: 00000000000000c0
FS:  0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000075c000 CR3: 000000016eb36000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffff8801a438f710 00000000000000c8 00000000000000c0 ffff8801d7ea2200
 ffffffff822c8b4b ffffffff82c6fe40 ffffffff827235b8 00000008c7307890
 ffff8801c6ee43c0 ffffffff827235b8 0000000000000008 00000000000000c8
Call Trace:
 [<ffffffff827f855a>] skb_over_panic net/core/skbuff.c:110 [inline]
 [<ffffffff827f855a>] skb_put.cold.21+0x23/0x23 net/core/skbuff.c:1439
 [<ffffffff827235b8>] mld_newpack+0x4d8/0x7b0 net/ipv6/mcast.c:1607
 [<ffffffff82723b2c>] add_grhead.isra.14+0x29c/0x370 net/ipv6/mcast.c:1690
 [<ffffffff827242ab>] add_grec+0x6ab/0xf20 net/ipv6/mcast.c:1821
 [<ffffffff82724e6d>] mld_send_initial_cr.part.15+0xbd/0x150 net/ipv6/mcast.c:2072
 [<ffffffff8272f8a5>] mld_send_initial_cr net/ipv6/mcast.c:2090 [inline]
 [<ffffffff8272f8a5>] ipv6_mc_dad_complete+0x175/0x1c0 net/ipv6/mcast.c:2084
 [<ffffffff826c20c0>] addrconf_dad_completed+0x500/0x950 net/ipv6/addrconf.c:4022
 [<ffffffff826c2c65>] addrconf_dad_begin net/ipv6/addrconf.c:3819 [inline]
 [<ffffffff826c2c65>] addrconf_dad_work+0x755/0xca0 net/ipv6/addrconf.c:3919
 [<ffffffff81131001>] process_one_work+0x831/0x15f0 kernel/workqueue.c:2092
 [<ffffffff81131e96>] worker_thread+0xd6/0x1140 kernel/workqueue.c:2226
 [<ffffffff81142c3d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff82817a5c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Code: 55 ab cf fe 4c 8b 4d b8 8b 4b 78 41 54 48 c7 c7 60 fa c6 82 44 8b 45 d4 41 57 48 8b 55 c8 41 56 48 8b 75 c0 41 55 e8 de a9 c0 fe <0f> 0b e8 47 35 b2 fe 4c 8b 65 08 e8 4e 92 cf fe 48 c7 c1 00 fe 
RIP  [<ffffffff827f8512>] skb_panic+0x166/0x168 net/core/skbuff.c:101
 RSP <ffff8801c7307758>
---[ end trace 1339c0d8ec6d7f19 ]---