------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:2193!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 14042 Comm: blkid Not tainted 4.4.155+ #34
task: ffff880093ccdf00 task.stack: ffff8801b6800000
RIP: 0010:[<ffffffff821790c4>]  [<ffffffff821790c4>] skb_copy_and_csum_bits+0x6a4/0x7f0 net/core/skbuff.c:2193
RSP: 0018:ffff8801db6072a0  EFLAGS: 00010206
RAX: ffff880093ccdf00 RBX: 000000002210d23d RCX: 1ffff100172c67a9
RDX: 0000000000000100 RSI: ffffffff821790c4 RDI: ffff8800b9633d48
RBP: ffff8801db607328 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000003c R11: ffff8801d9d7a6df R12: 0000000000000000
R13: 0000000000000224 R14: 000000000000003c R15: ffff8800b9633d40
FS:  00007faf235017a0(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000607304 CR3: 00000000b2e00000 CR4: 00000000001606b0
Stack:
 ffffffff82165370 ffff8800b3532d48 ffffffff810def0d ffffffff82693241
 ffffffff8269259d ffff8801d9d7a468 0000003c81c82c84 ffff8800b3532d44
 ffffffff0000003c 000000002210d23d 0000003c000001e8 ffff8800b3532c80
Call Trace:
 <IRQ> 
 [<ffffffff824111af>] icmp_glue_bits+0x7f/0x1e0 net/ipv4/icmp.c:344
 [<ffffffff82348a06>] __ip_append_data.isra.2+0x1e66/0x2a00 net/ipv4/ip_output.c:1045
 [<ffffffff82349684>] ip_append_data.part.4+0xe4/0x150 net/ipv4/ip_output.c:1195
 [<ffffffff8234e078>] ip_append_data+0x68/0x80 net/ipv4/ip_output.c:1184
 [<ffffffff82410dbe>] icmp_push_reply+0x19e/0x510 net/ipv4/icmp.c:362
 [<ffffffff824124fa>] icmp_send+0xaca/0x1430 net/ipv4/icmp.c:727
 [<ffffffff8234989c>] ip_fragment.constprop.5+0x1ac/0x200 net/ipv4/ip_output.c:511
 [<ffffffff82349c86>] ip_finish_output+0x396/0xc00 net/ipv4/ip_output.c:286
 [<ffffffff8234dd69>] NF_HOOK_COND include/linux/netfilter.h:240 [inline]
 [<ffffffff8234dd69>] ip_output+0x219/0x4c0 net/ipv4/ip_output.c:362
 [<ffffffff8234ac8b>] dst_output include/net/dst.h:498 [inline]
 [<ffffffff8234ac8b>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:119
 [<ffffffff8234bfde>] ip_queue_xmit+0x88e/0x1a80 net/ipv4/ip_output.c:461
 [<ffffffff823aefa0>] __tcp_transmit_skb+0x1870/0x2c50 net/ipv4/tcp_output.c:1034
 [<ffffffff823b965c>] tcp_transmit_skb net/ipv4/tcp_output.c:1047 [inline]
 [<ffffffff823b965c>] __tcp_retransmit_skb+0x63c/0x18e0 net/ipv4/tcp_output.c:2661
 [<ffffffff823baff3>] tcp_retransmit_skb+0x23/0x2c0 net/ipv4/tcp_output.c:2678
 [<ffffffff823c0a7d>] tcp_retransmit_timer+0x7bd/0x1ed0 net/ipv4/tcp_timer.c:461
 [<ffffffff823c2381>] tcp_write_timer_handler+0x1f1/0x6f0 net/ipv4/tcp_timer.c:543
 [<ffffffff823c293a>] tcp_write_timer+0xba/0xd0 net/ipv4/tcp_timer.c:561
 [<ffffffff8124c75c>] call_timer_fn+0x18c/0x870 kernel/time/timer.c:1185
 [<ffffffff8124d445>] __run_timers kernel/time/timer.c:1261 [inline]
 [<ffffffff8124d445>] run_timer_softirq+0x605/0xbb0 kernel/time/timer.c:1444
 [<ffffffff82693adc>] __do_softirq+0x22c/0xa1a kernel/softirq.c:273
 [<ffffffff810def0d>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810def0d>] irq_exit+0x10d/0x140 kernel/softirq.c:391
 [<ffffffff82693241>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82693241>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:926
 [<ffffffff8269259d>] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:741
 <EOI> 
 [<ffffffff81c7fda8>] spin_unlock_irqrestore include/linux/spinlock.h:362 [inline]
 [<ffffffff81c7fda8>] extract_buf+0x1e8/0x2f0 drivers/char/random.c:1135
 [<ffffffff81c82c84>] extract_entropy+0x134/0x4e0 drivers/char/random.c:1189
 [<ffffffff81c83b8c>] get_random_bytes+0x8c/0x300 drivers/char/random.c:1271
 [<ffffffff81576b98>] create_elf_tables fs/binfmt_elf.c:211 [inline]
 [<ffffffff81576b98>] load_elf_binary+0x2128/0x4c00 fs/binfmt_elf.c:1090
 [<ffffffff8148779f>] search_binary_handler+0x14f/0x6f0 fs/exec.c:1471
 [<ffffffff81489aad>] exec_binprm fs/exec.c:1513 [inline]
 [<ffffffff81489aad>] do_execveat_common.isra.15+0x116d/0x1f00 fs/exec.c:1635
 [<ffffffff8148b1b2>] do_execve fs/exec.c:1679 [inline]
 [<ffffffff8148b1b2>] SYSC_execve fs/exec.c:1760 [inline]
 [<ffffffff8148b1b2>] SyS_execve+0x42/0x50 fs/exec.c:1755
 [<ffffffff82690ef5>] stub_execve+0x5/0x5 arch/x86/entry/entry_64.S:413
Code: 00 00 4d 8b 24 24 44 8b 6d d0 4d 85 e4 0f 85 1b ff ff ff 8b 5d c0 e8 0c bc 17 ff 8b 45 c8 85 c0 0f 84 83 fe ff ff e8 fc bb 17 ff <0f> 0b 8b 5d c0 e9 74 fe ff ff c7 45 ac 00 00 00 00 e9 73 fa ff 
RIP  [<ffffffff821790c4>] skb_copy_and_csum_bits+0x6a4/0x7f0 net/core/skbuff.c:2193
 RSP <ffff8801db6072a0>
---[ end trace 9f1aba809744fc05 ]---