------------[ cut here ]------------ kernel BUG at ./include/linux/skbuff.h:1294! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 5466 Comm: blkid Not tainted 4.9.189+ #4 task: 000000009bf3bf78 task.stack: 000000001eba5bc3 RIP: 0010:[] [<00000000c56bcaff>] skb_queue_prev include/linux/skbuff.h:1294 [inline] RIP: 0010:[] [<00000000c56bcaff>] tcp_write_queue_prev include/net/tcp.h:1563 [inline] RIP: 0010:[] [<00000000c56bcaff>] tcp_rtx_queue_tail include/net/tcp.h:1616 [inline] RIP: 0010:[] [<00000000c56bcaff>] tcp_fragment+0x1266/0x1390 net/ipv4/tcp_output.c:1195 RSP: 0018:ffff8801db607b90 EFLAGS: 00010206 RAX: ffff8801cee72f80 RBX: ffff8801d27f6900 RCX: 1ffff1003a4fed9d RDX: 0000000000000100 RSI: ffffffff8252ae16 RDI: ffff8801ccd00288 RBP: ffff8801db607be0 R08: 0000000002080020 R09: ffff8801ccd002a8 R10: ffff88021fffd010 R11: 000001b4e1c5e932 R12: 0000000000000000 R13: ffff8801d27f6af0 R14: ffff8801ccd00280 R15: ffff8801d27f6b44 FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020025000 CR3: 0000000003026000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801ccd00280 ffff8801d27f6af0 ffff8801ccd002f8 ffff880102080020 000068000000ffcb 0000000000006800 ffff8801d27f6900 ffff8801ccd00280 000000000000ffcb ffff8801ccd002b4 ffff8801db607c30 ffffffff8253e775 Call Trace: [ 1874.882628] [<00000000ce363ac1>] tcp_write_wakeup+0x345/0x5b0 net/ipv4/tcp_output.c:3613 [<000000007d7bd632>] tcp_send_probe0+0x4b/0x400 net/ipv4/tcp_output.c:3641 [<00000000a73dec05>] tcp_probe_timer net/ipv4/tcp_timer.c:379 [inline] [<00000000a73dec05>] tcp_write_timer_handler+0x6a0/0x7a0 net/ipv4/tcp_timer.c:596 [<00000000695e4dd3>] tcp_write_timer+0xc5/0x190 net/ipv4/tcp_timer.c:610 [<00000000c18cbc73>] call_timer_fn+0x167/0x6d0 kernel/time/timer.c:1319 [<00000000efa6ad88>] expire_timers+0x25b/0x5c0 kernel/time/timer.c:1359 [<0000000091e83d0c>] __run_timers kernel/time/timer.c:1674 [inline] [<0000000091e83d0c>] run_timer_softirq+0x1ff/0x620 kernel/time/timer.c:1687 [<0000000073a0a208>] __do_softirq+0x22d/0x964 kernel/softirq.c:288 [<00000000e8b36456>] invoke_softirq kernel/softirq.c:368 [inline] [<00000000e8b36456>] irq_exit+0x119/0x160 kernel/softirq.c:409 [<0000000021d92d53>] exiting_irq arch/x86/include/asm/apic.h:669 [inline] [<0000000021d92d53>] smp_apic_timer_interrupt+0x7e/0xb0 arch/x86/kernel/apic/apic.c:962 [<00000000cab5068a>] apic_timer_interrupt+0xa5/0xb0 arch/x86/entry/entry_64.S:653 [ 1875.034250] [<0000000015974c74>] ? memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:64 [<000000003bc27d75>] free_pages_prepare mm/page_alloc.c:1080 [inline] [<000000003bc27d75>] free_pcp_prepare mm/page_alloc.c:1088 [inline] [<000000003bc27d75>] free_hot_cold_page+0x1ea/0x9f0 mm/page_alloc.c:2474 [<00000000ff2d2ebb>] free_hot_cold_page_list+0x9f/0x340 mm/page_alloc.c:2522 [<0000000060990ccb>] release_pages+0x6dc/0xa80 mm/swap.c:796 [<0000000013d0cd52>] free_pages_and_swap_cache+0x115/0x160 mm/swap_state.c:273 [<000000003f7ecb9a>] tlb_flush_mmu_free+0x46/0x110 mm/memory.c:259 [<000000006f5d3715>] tlb_flush_mmu mm/memory.c:268 [inline] [<000000006f5d3715>] tlb_finish_mmu+0x23/0xb0 mm/memory.c:279 [<000000007e1b2dd9>] exit_mmap+0x203/0x3b0 mm/mmap.c:3027 [<00000000f6ff0888>] __mmput kernel/fork.c:886 [inline] [<00000000f6ff0888>] mmput kernel/fork.c:908 [inline] [<00000000f6ff0888>] mmput+0xd5/0x370 kernel/fork.c:903 [<000000000066064c>] exit_mm kernel/exit.c:514 [inline] [<000000000066064c>] do_exit+0x6ce/0x2aa0 kernel/exit.c:829 [<00000000bf0d3f8d>] do_group_exit+0x111/0x300 kernel/exit.c:946 [<00000000fe7d69bc>] SYSC_exit_group kernel/exit.c:957 [inline] [<00000000fe7d69bc>] SyS_exit_group+0x1d/0x20 kernel/exit.c:955 [<0000000031c5b7d2>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000624913c6>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: c1 ea 03 80 3c 02 00 0f 85 3a 01 00 00 4c 8b ab f8 01 00 00 ba 00 00 00 00 4c 3b 6d b8 4c 0f 44 ea e9 f9 fc ff ff e8 5a 75 df fe <0f> 0b e8 93 36 fd fe e9 6e f0 ff ff e8 89 36 fd fe e9 68 f3 ff RIP [<00000000c56bcaff>] skb_queue_prev include/linux/skbuff.h:1294 [inline] RIP [<00000000c56bcaff>] tcp_write_queue_prev include/net/tcp.h:1563 [inline] RIP [<00000000c56bcaff>] tcp_rtx_queue_tail include/net/tcp.h:1616 [inline] RIP [<00000000c56bcaff>] tcp_fragment+0x1266/0x1390 net/ipv4/tcp_output.c:1195 RSP ---[ end trace 560efc895127dd4b ]---