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kernel BUG at net/core/skbuff.c:2253!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 5146 Comm: syz-executor.2 Not tainted 4.9.141+ #1
task: ffff88017c8e5f00 task.stack: ffff8801d1f58000
RIP: 0010:[<ffffffff822c1dea>]  [<ffffffff822c1dea>] skb_copy_and_csum_bits+0x67a/0x7d0 net/core/skbuff.c:2253
RSP: 0018:ffff8801db607230  EFLAGS: 00010206
RAX: ffff88017c8e5f00 RBX: 00000000599c4f76 RCX: 1ffff1002fa39d69
RDX: 0000000000000100 RSI: ffffffff822c1dea RDI: ffff88017d1ceb48
RBP: ffff8801db6072b8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000003c R11: ffff8801ce6d2b5f R12: 0000000000000000
R13: 0000000000000224 R14: 000000000000003c R15: ffff88017d1ceb40
FS:  00007f5867df9700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeaa06bb30 CR3: 00000001c57a3000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff822aa650 ffff8801ccbbdd48 ffffffff8281cb9e ffffffff810efdbc
 ffffffff8281b771 ffff8801ce6d28e8 0000003c81509df5 ffff8801ccbbdd44
 ffffffff0000003c 00000000599c4f76 0000003c000001e8 ffff8801ccbbdc80
Call Trace:
 [<ffffffff8258068f>] icmp_glue_bits+0x7f/0x1d0 net/ipv4/icmp.c:344
 [<ffffffff824b1dd7>] __ip_append_data.isra.2+0x1dd7/0x2930 net/ipv4/ip_output.c:1081
 [<ffffffff824b2a14>] ip_append_data.part.4+0xe4/0x150 net/ipv4/ip_output.c:1231
 [<ffffffff824b78b8>] ip_append_data+0x68/0x80 net/ipv4/ip_output.c:1220
 [<ffffffff8258029e>] icmp_push_reply+0x19e/0x510 net/ipv4/icmp.c:362
 [<ffffffff82581993>] icmp_send+0xac3/0x1430 net/ipv4/icmp.c:727
 [<ffffffff824b2c2c>] ip_fragment.constprop.5+0x1ac/0x200 net/ipv4/ip_output.c:550
 [<ffffffff824b343b>] ip_finish_output+0x7bb/0xc90 net/ipv4/ip_output.c:311
 [<ffffffff824b74cd>] NF_HOOK_COND include/linux/netfilter.h:246 [inline]
 [<ffffffff824b74cd>] ip_output+0x1cd/0x550 net/ipv4/ip_output.c:401
 [<ffffffff824b421b>] dst_output include/net/dst.h:507 [inline]
 [<ffffffff824b421b>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:124
 [<ffffffff824b5617>] ip_queue_xmit+0x897/0x18c0 net/ipv4/ip_output.c:500
 [<ffffffff82519ebb>] __tcp_transmit_skb+0x18bb/0x2df0 net/ipv4/tcp_output.c:1041
 [<ffffffff82523f47>] tcp_transmit_skb net/ipv4/tcp_output.c:1057 [inline]
 [<ffffffff82523f47>] __tcp_retransmit_skb+0x587/0x1de0 net/ipv4/tcp_output.c:2763
 [<ffffffff82525fb9>] tcp_retransmit_skb+0x29/0x2a0 net/ipv4/tcp_output.c:2782
 [<ffffffff8252c8ba>] tcp_retransmit_timer+0x92a/0x2290 net/ipv4/tcp_timer.c:507
 [<ffffffff8252e411>] tcp_write_timer_handler+0x1f1/0x790 net/ipv4/tcp_timer.c:591
 [<ffffffff8252ea72>] tcp_write_timer+0xc2/0x180 net/ipv4/tcp_timer.c:609
 [<ffffffff81262a43>] call_timer_fn+0x163/0x6e0 kernel/time/timer.c:1319
 [<ffffffff812631f4>] expire_timers+0x234/0x580 kernel/time/timer.c:1359
 [<ffffffff81263748>] __run_timers kernel/time/timer.c:1674 [inline]
 [<ffffffff81263748>] run_timer_softirq+0x208/0x5e0 kernel/time/timer.c:1687
 [<ffffffff8281cb9e>] __do_softirq+0x20e/0x964 kernel/softirq.c:288
 [<ffffffff810efdbc>] invoke_softirq kernel/softirq.c:368 [inline]
 [<ffffffff810efdbc>] irq_exit+0x11c/0x150 kernel/softirq.c:409
 [<ffffffff8281b771>] exiting_irq arch/x86/include/asm/apic.h:669 [inline]
 [<ffffffff8281b771>] smp_apic_timer_interrupt+0x81/0xb0 arch/x86/kernel/apic/apic.c:962
 [<ffffffff8281902d>] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [  158.401495]  [<ffffffff81b70557>] ? copy_user_enhanced_fast_string+0x7/0x10 arch/x86/lib/copy_user_64.S:227
 [<ffffffff81509df5>] do_loop_readv_writev.part.1+0xd5/0x280 fs/read_write.c:718
 [<ffffffff8150b49e>] do_loop_readv_writev fs/read_write.c:707 [inline]
 [<ffffffff8150b49e>] do_readv_writev+0x56e/0x7b0 fs/read_write.c:873
 [<ffffffff8150b764>] vfs_readv+0x84/0xc0 fs/read_write.c:897
 [<ffffffff815ac2a1>] kernel_readv fs/splice.c:363 [inline]
 [<ffffffff815ac2a1>] default_file_splice_read+0x451/0x7f0 fs/splice.c:435
 [<ffffffff815ab39c>] do_splice_to+0x10c/0x170 fs/splice.c:899
 [<ffffffff815ab63f>] splice_direct_to_actor+0x23f/0x7e0 fs/splice.c:971
 [<ffffffff815abd83>] do_splice_direct+0x1a3/0x270 fs/splice.c:1080
 [<ffffffff8150d780>] do_sendfile+0x4f0/0xc30 fs/read_write.c:1393
 [<ffffffff8150f864>] SYSC_sendfile64 fs/read_write.c:1454 [inline]
 [<ffffffff8150f864>] SyS_sendfile64+0x144/0x160 fs/read_write.c:1440
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 00 00 4d 8b 24 24 44 8b 6d d0 4d 85 e4 0f 85 30 ff ff ff 8b 5d c0 e8 86 9c 05 ff 8b 45 c8 85 c0 0f 84 98 fe ff ff e8 76 9c 05 ff <0f> 0b 8b 5d c0 e9 89 fe ff ff c7 45 ac 00 00 00 00 e9 9d fa ff 
RIP  [<ffffffff822c1dea>] skb_copy_and_csum_bits+0x67a/0x7d0 net/core/skbuff.c:2253
 RSP <ffff8801db607230>
---[ end trace 1e3f4aa361d31d05 ]---