------------[ cut here ]------------ kernel BUG at net/ipv4/tcp_output.c:2864! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 15155 Comm: udevd Not tainted 4.16.0-rc6+ #365 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__tcp_retransmit_skb+0x28e6/0x2cb0 net/ipv4/tcp_output.c:2864 RSP: 0018:ffff8801db206ff8 EFLAGS: 00010206 RAX: ffff8801cbe58280 RBX: 0000000000000001 RCX: ffffffff84cb11c6 RDX: 0000000000000100 RSI: ffff8801ccb9c238 RDI: ffff8801d8d9c52c RBP: ffff8801db2073a8 R08: ffff88021fff801c R09: 0000000000000000 R10: 00000000743dbbec R11: ffff88021fff801d R12: ffff8801d8d9c58e R13: 0000000050ed2f2a R14: ffff8801d8d9c500 R15: ffff8801ccb9c000 FS: 00007fbe45da77a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe45dae000 CR3: 00000001d914c005 CR4: 00000000001626f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcp_retransmit_skb+0x2e/0x230 net/ipv4/tcp_output.c:2950 tcp_retransmit_timer+0xefc/0x2dd0 net/ipv4/tcp_timer.c:488 tcp_write_timer_handler+0x335/0x820 net/ipv4/tcp_timer.c:573 tcp_write_timer+0x153/0x170 net/ipv4/tcp_timer.c:593 call_timer_fn+0x228/0x820 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:857 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x5e/0xc0 kernel/locking/spinlock.c:184 RSP: 0018:ffff8801bb017340 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff12 RAX: dffffc0000000000 RBX: 0000000000000293 RCX: 0000000000000006 RDX: 1ffffffff0dd939d RSI: ffff8801cbe58b20 RDI: 0000000000000293 RBP: ffff8801bb017350 R08: ffffffff88605d68 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88605d50 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff86ec9ce0 spin_unlock_irqrestore include/linux/spinlock.h:365 [inline] avc_reclaim_node security/selinux/avc.c:539 [inline] avc_alloc_node+0x37b/0x4d0 security/selinux/avc.c:557 avc_insert security/selinux/avc.c:668 [inline] avc_compute_av+0x22a/0x710 security/selinux/avc.c:974 avc_has_perm_noaudit+0x3ee/0x520 security/selinux/avc.c:1110 selinux_inode_permission+0x2b4/0x5f0 security/selinux/hooks.c:3097 security_inode_permission+0xaf/0xf0 security/security.c:697 inode_permission+0xea/0x470 fs/namei.c:456 may_lookup fs/namei.c:1649 [inline] link_path_walk+0x1e6/0x1470 fs/namei.c:2035 path_openat+0x2bc/0x3530 fs/namei.c:3519 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7fbe454af120 RSP: 002b:00007fffb8207e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000001868810 RCX: 00007fbe454af120 RDX: 00007fffb8207e70 RSI: 0000000000000002 RDI: 00007fffb8207e60 RBP: 0000000000000000 R08: 0000000000000008 R09: 000000000182d010 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000182e3d0 R13: 000000000183a600 R14: 00007fffb8208eb8 R15: 0000000000000001 Code: ff e8 df 4f de fc e9 3b f2 ff ff e8 f5 4f de fc e9 ab fc ff ff 48 8b bd c8 fc ff ff e8 84 4f de fc e9 06 e8 ff ff e8 aa 0a a6 fc <0f> 0b e8 b3 4f de fc e9 cd fa ff ff 48 89 8d 78 fc ff ff e8 a2 RIP: __tcp_retransmit_skb+0x28e6/0x2cb0 net/ipv4/tcp_output.c:2864 RSP: ffff8801db206ff8 ---[ end trace 40612023bc13d57c ]---