TCP: out of memory -- consider tuning tcp_mem
TCP: out of memory -- consider tuning tcp_mem
TCP: out of memory -- consider tuning tcp_mem
TCP: out of memory -- consider tuning tcp_mem
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:2237!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7118 Comm: syz-executor4 Not tainted 4.9.102-gc5aceac #35
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d8e9c800 task.stack: ffff88019c450000
RIP: 0010:[<ffffffff830363a0>]  [<ffffffff830363a0>] skb_copy_and_csum_bits+0x670/0x7a0 net/core/skbuff.c:2237
RSP: 0018:ffff8801db207238  EFLAGS: 00010206
RAX: ffff8801d8e9c800 RBX: 000000003907c888 RCX: 1ffff10032c36059
RDX: 0000000000000100 RSI: ffffffff830363a0 RDI: ffff8801961b02c8
RBP: ffff8801db2072b8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000003c R11: ffff8801b94f54df R12: 0000000000000000
R13: 0000000000000224 R14: 0000000000000000 R15: ffff8801961b02c0
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000209322d3 CR3: 000000000461e000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff81298b23 ffff8801bac8cd44 ffffffff839fe4bb ffffffff8114b0b7
 ffff8801bac8cd48 ffff8801b94f5268 3907c8880000003c 000001e80000003c
 0000003c0000003c ffff8801bac8cc80 0000000000000000 ffff8801cc9aa9c0
Call Trace:
 [<ffffffff8340b7cf>] icmp_glue_bits+0x7f/0x1d0 net/ipv4/icmp.c:344
 [<ffffffff83334da5>] __ip_append_data.isra.49+0x1d15/0x2860 net/ipv4/ip_output.c:1079
 [<ffffffff833359d4>] ip_append_data.part.51+0xe4/0x150 net/ipv4/ip_output.c:1228
 [<ffffffff8333e428>] ip_append_data+0x68/0x80 net/ipv4/ip_output.c:1217
 [<ffffffff8340b3de>] icmp_push_reply+0x19e/0x510 net/ipv4/icmp.c:362
 [<ffffffff8340ff0a>] icmp_send+0xaca/0x1430 net/ipv4/icmp.c:727
 [<ffffffff8333993a>] ip_fragment.constprop.56+0x1aa/0x200 net/ipv4/ip_output.c:548
 [<ffffffff8333a0d1>] ip_finish_output+0x741/0xac0 net/ipv4/ip_output.c:311
 [<ffffffff8333e03d>] NF_HOOK_COND include/linux/netfilter.h:246 [inline]
 [<ffffffff8333e03d>] ip_output+0x1cd/0x550 net/ipv4/ip_output.c:401
 [<ffffffff8333aa9b>] dst_output include/net/dst.h:507 [inline]
 [<ffffffff8333aa9b>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:124
 [<ffffffff8333be57>] ip_queue_xmit+0x897/0x1b60 net/ipv4/ip_output.c:500
 [<ffffffff833a3dac>] tcp_transmit_skb+0x168c/0x2e30 net/ipv4/tcp_output.c:1036
 [<ffffffff833ae1ce>] __tcp_retransmit_skb+0x42e/0x1cf0 net/ipv4/tcp_output.c:2749
 [<ffffffff833b02a9>] tcp_retransmit_skb+0x29/0x2a0 net/ipv4/tcp_output.c:2768
 [<ffffffff833b698a>] tcp_retransmit_timer+0x92a/0x2290 net/ipv4/tcp_timer.c:507
 [<ffffffff833b84e1>] tcp_write_timer_handler+0x1f1/0x7a0 net/ipv4/tcp_timer.c:591
 [<ffffffff833b8b52>] tcp_write_timer+0xc2/0x180 net/ipv4/tcp_timer.c:609
 [<ffffffff81298b23>] call_timer_fn+0x163/0x6e0 kernel/time/timer.c:1319
 [<ffffffff8129fc87>] expire_timers kernel/time/timer.c:1359 [inline]
 [<ffffffff8129fc87>] __run_timers kernel/time/timer.c:1658 [inline]
 [<ffffffff8129fc87>] run_timer_softirq+0x1047/0x1590 kernel/time/timer.c:1684
 [<ffffffff839fe4bb>] __do_softirq+0x20b/0x937 kernel/softirq.c:284
 [<ffffffff8114b0b7>] invoke_softirq kernel/softirq.c:364 [inline]
 [<ffffffff8114b0b7>] irq_exit+0x147/0x190 kernel/softirq.c:405
 [<ffffffff839fd0a1>] exiting_irq arch/x86/include/asm/apic.h:659 [inline]
 [<ffffffff839fd0a1>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:960
 [<ffffffff839f9230>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [   41.034334]  [<ffffffff839f6fef>] ? arch_local_irq_restore arch/x86/include/asm/paravirt.h:768 [inline]
 <EOI> [   41.034334]  [<ffffffff839f6fef>] ? __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:162 [inline]
 <EOI> [   41.034334]  [<ffffffff839f6fef>] ? _raw_spin_unlock_irqrestore+0x5f/0x70 kernel/locking/spinlock.c:191
 [<ffffffff81f1e0dc>] __debug_check_no_obj_freed lib/debugobjects.c:733 [inline]
 [<ffffffff81f1e0dc>] debug_check_no_obj_freed+0x2ec/0x930 lib/debugobjects.c:749
 [<ffffffff8144a4bd>] free_pages_prepare mm/page_alloc.c:1061 [inline]
 [<ffffffff8144a4bd>] __free_pages_ok+0x1dd/0x1610 mm/page_alloc.c:1263
 [<ffffffff8144b94e>] free_compound_page+0x5e/0x70 mm/page_alloc.c:594
 [<ffffffff815517f9>] free_transhuge_page+0x99/0xc0 mm/huge_memory.c:2228
 [<ffffffff81463cb0>] __put_compound_page+0x80/0xc0 mm/swap.c:94
 [<ffffffff814658a4>] release_pages+0x2f4/0x970 mm/swap.c:763
 [<ffffffff81508827>] free_pages_and_swap_cache+0x117/0x160 mm/swap_state.c:273
 [<ffffffff814bfec4>] tlb_flush_mmu_free+0xb4/0x150 mm/memory.c:259
 [<ffffffff814c373d>] tlb_flush_mmu+0x1d/0x20 mm/memory.c:268
 [<ffffffff815490d4>] tlb_remove_page_size include/asm-generic/tlb.h:154 [inline]
 [<ffffffff815490d4>] tlb_remove_page include/asm-generic/tlb.h:172 [inline]
 [<ffffffff815490d4>] zap_huge_pmd+0x404/0x860 mm/huge_memory.c:1424
 [<ffffffff814c855f>] zap_pmd_range mm/memory.c:1245 [inline]
 [<ffffffff814c855f>] zap_pud_range mm/memory.c:1279 [inline]
 [<ffffffff814c855f>] unmap_page_range+0x12af/0x1730 mm/memory.c:1300
 [<ffffffff814c8ae1>] unmap_single_vma+0x101/0x260 mm/memory.c:1345
 [<ffffffff814c9422>] unmap_vmas+0x102/0x1d0 mm/memory.c:1375
 [<ffffffff814e1b84>] exit_mmap+0x214/0x3f0 mm/mmap.c:2988
 [<ffffffff8112be13>] __mmput kernel/fork.c:878 [inline]
 [<ffffffff8112be13>] mmput+0xf3/0x2d0 kernel/fork.c:900
 [<ffffffff81140bf6>] exit_mm kernel/exit.c:518 [inline]
 [<ffffffff81140bf6>] do_exit+0x906/0x27c0 kernel/exit.c:824
 [<ffffffff81146dd1>] do_group_exit+0x111/0x340 kernel/exit.c:941
 [<ffffffff81169c0f>] get_signal+0x4cf/0x1450 kernel/signal.c:2317
 [<ffffffff810524d7>] do_signal+0x87/0x19f0 arch/x86/kernel/signal.c:807
 [<ffffffff81005581>] exit_to_usermode_loop+0xe1/0x120 arch/x86/entry/common.c:157
 [<ffffffff81007073>] prepare_exit_to_usermode arch/x86/entry/common.c:191 [inline]
 [<ffffffff81007073>] syscall_return_slowpath arch/x86/entry/common.c:260 [inline]
 [<ffffffff81007073>] do_syscall_32_irqs_on arch/x86/entry/common.c:331 [inline]
 [<ffffffff81007073>] do_fast_syscall_32+0x5c3/0x870 arch/x86/entry/common.c:387
 [<ffffffff839f8fd0>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: 00 00 4d 8b 24 24 44 8b 6d d0 4d 85 e4 0f 85 30 ff ff ff 8b 5d b4 e8 10 88 32 fe 8b 45 bc 85 c0 0f 84 94 fe ff ff e8 00 88 32 fe <0f> 0b 8b 5d b4 e9 85 fe ff ff c7 45 b0 00 00 00 00 e9 b6 fa ff 
RIP  [<ffffffff830363a0>] skb_copy_and_csum_bits+0x670/0x7a0 net/core/skbuff.c:2237
 RSP <ffff8801db207238>
---[ end trace 285a44cd7ecedb2d ]---