------------[ cut here ]------------ kernel BUG at ./include/linux/skbuff.h:1406! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI Modules linked in: CPU: 0 PID: 1161 Comm: udevd Not tainted 4.14.140+ #39 task: 00000000c22b079c task.stack: 00000000fd0f56ea RIP: 0010:skb_queue_prev include/linux/skbuff.h:1406 [inline] RIP: 0010:tcp_write_queue_prev include/net/tcp.h:1651 [inline] RIP: 0010:tcp_rtx_queue_tail include/net/tcp.h:1706 [inline] RIP: 0010:tcp_fragment+0x12c6/0x13e0 net/ipv4/tcp_output.c:1284 RSP: 0018:ffff8881dba07bf8 EFLAGS: 00010206 RAX: ffff8881ab222f00 RBX: ffff8881d3100000 RCX: 1ffff1103a620049 RDX: 0000000000000100 RSI: ffff8881c49ed680 RDI: ffff8881c49ed688 RBP: ffff8881c49ed680 R08: 0000000001080020 R09: ffff88821fffd008 R10: ffff88821fffd017 R11: ffff88821fffd010 R12: 0000000000000000 R13: 0000000000001880 R14: 0000000001080020 R15: ffff8881d3100250 FS: 00007fd5ea0d37a0(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c42ff81000 CR3: 00000001a6aa2006 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: tcp_write_wakeup+0x32b/0x570 net/ipv4/tcp_output.c:3708 tcp_send_probe0+0x46/0x3cc net/ipv4/tcp_output.c:3736 tcp_probe_timer net/ipv4/tcp_timer.c:365 [inline] tcp_write_timer_handler+0x687/0x780 net/ipv4/tcp_timer.c:583 tcp_write_timer+0xc9/0x170 net/ipv4/tcp_timer.c:597 call_timer_fn+0x15b/0x6a0 kernel/time/timer.c:1279 expire_timers+0x227/0x4c0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1634 [inline] run_timer_softirq+0x1eb/0x5d0 kernel/time/timer.c:1647 __do_softirq+0x234/0x9ec kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x114/0x150 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x1a7/0x650 arch/x86/kernel/apic/apic.c:1064 apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x59/0x70 kernel/locking/spinlock.c:192 RSP: 0018:ffff8881cb04f918 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: 0000000000000206 RCX: 1ffff110356446ef RDX: 0000000000000000 RSI: ffff8881ab223780 RDI: 0000000000000206 RBP: ffffffffbbe1f980 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000206 R13: 0000000000000052 R14: 0000000000000002 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:372 [inline] avc_reclaim_node security/selinux/avc.c:539 [inline] avc_alloc_node security/selinux/avc.c:557 [inline] avc_alloc_node+0x2bb/0x3f0 security/selinux/avc.c:545 avc_insert security/selinux/avc.c:668 [inline] avc_compute_av+0x17c/0x550 security/selinux/avc.c:974 avc_has_perm_noaudit security/selinux/avc.c:1110 [inline] avc_has_perm+0x318/0x350 security/selinux/avc.c:1144 may_rename security/selinux/hooks.c:2045 [inline] selinux_inode_rename+0x46a/0x6a0 security/selinux/hooks.c:3042 security_inode_rename+0x1d9/0x2b0 security/security.c:677 vfs_rename2+0x2e6/0x15d0 fs/namei.c:4609 SYSC_renameat2 fs/namei.c:4801 [inline] SyS_renameat2+0x666/0xa00 fs/namei.c:4690 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7fd5e9760527 RSP: 002b:00007fffc693aef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 0000000000c50d60 RCX: 00007fd5e9760527 RDX: 00007fd5e9a91e98 RSI: 00007fffc693af30 RDI: 00007fffc693b330 RBP: 0000000000c88520 R08: 00007fd5ea0d37a0 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000ca0080 R13: 0000000000c50030 R14: 00007fffc693af30 R15: 0000000000000000 Code: ea 03 80 3c 02 00 0f 85 2c 01 00 00 4c 8b bb 58 02 00 00 ba 00 00 00 00 4c 3b 7c 24 18 4c 0f 44 fa e9 bd fc ff ff e8 9a df da fe <0f> 0b e8 b3 a2 fd fe e9 4d ef ff ff e8 a9 a2 fd fe e9 2d f2 ff RIP: skb_queue_prev include/linux/skbuff.h:1406 [inline] RSP: ffff8881dba07bf8 RIP: tcp_write_queue_prev include/net/tcp.h:1651 [inline] RSP: ffff8881dba07bf8 RIP: tcp_rtx_queue_tail include/net/tcp.h:1706 [inline] RSP: ffff8881dba07bf8 RIP: tcp_fragment+0x12c6/0x13e0 net/ipv4/tcp_output.c:1284 RSP: ffff8881dba07bf8 ---[ end trace 246afaecbf6402c9 ]---