------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:2208! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 589 Comm: udevd Not tainted 4.4.174+ #4 task: ffff8801d4b62f80 task.stack: ffff8801d4bd8000 RIP: 0010:[] [] skb_copy_and_csum_bits+0x6e7/0x800 net/core/skbuff.c:2208 RSP: 0018:ffff8801db7072b8 EFLAGS: 00010206 RAX: ffff8801d4b62f80 RBX: 0000000000000000 RCX: 1ffff1003b2157a9 RDX: 0000000000000100 RSI: ffffffff821f6ac7 RDI: ffff8801d90abd48 RBP: ffff8801db707348 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000003c R11: ffff88000019105f R12: 000000003fe31f16 R13: ffff8800b3ecf8c0 R14: ffff8801d90abd40 R15: 000000000000003c FS: 00007fa054e657a0(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe3dec7f90 CR3: 00000001d4bb1000 CR4: 00000000001606b0 Stack: ffff8800b3ecf208 ffffffff8244588d ffffffff812582dd ffff880000190de8 0000003c8271bb16 ffffffff810e1a8a ffffffff8271b24e ffffffff8271a59d ffff8800b3ecf204 ffffffff8148475f 000001e83fe31f16 ffff8800b3ecf140 Call Trace: [] icmp_glue_bits+0x7f/0x1e0 net/ipv4/icmp.c:344 [] __ip_append_data.isra.0+0x1e91/0x2a20 net/ipv4/ip_output.c:1045 [] ip_append_data.part.0+0xec/0x160 net/ipv4/ip_output.c:1195 [] ip_append_data+0x69/0x90 net/ipv4/ip_output.c:1184 [] icmp_push_reply+0x199/0x510 net/ipv4/icmp.c:362 [] icmp_send+0xaca/0x1410 net/ipv4/icmp.c:727 [] ip_fragment net/ipv4/ip_output.c:511 [inline] [] ip_fragment.constprop.0+0x1b4/0x200 net/ipv4/ip_output.c:498 [] ip_finish_output+0x3b9/0xc60 net/ipv4/ip_output.c:286 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip_output+0x227/0x4c0 net/ipv4/ip_output.c:362 [] dst_output include/net/dst.h:498 [inline] [] ip_local_out+0x9c/0x180 net/ipv4/ip_output.c:119 [] ip_queue_xmit+0x89c/0x1ab0 net/ipv4/ip_output.c:461 [] __tcp_transmit_skb+0x1904/0x2cf0 net/ipv4/tcp_output.c:1034 [] tcp_transmit_skb net/ipv4/tcp_output.c:1047 [inline] [] __tcp_retransmit_skb+0x5ea/0x1710 net/ipv4/tcp_output.c:2665 [] tcp_retransmit_skb+0x23/0x2c0 net/ipv4/tcp_output.c:2682 [] tcp_retransmit_timer net/ipv4/tcp_timer.c:461 [inline] [] tcp_retransmit_timer+0x7ee/0x1f70 net/ipv4/tcp_timer.c:379 [] tcp_write_timer_handler+0x3bc/0x700 net/ipv4/tcp_timer.c:543 [] tcp_write_timer+0xbd/0xd0 net/ipv4/tcp_timer.c:561 [] call_timer_fn+0x18d/0x850 kernel/time/timer.c:1185 [] __run_timers kernel/time/timer.c:1261 [inline] [] run_timer_softirq+0x51f/0xb70 kernel/time/timer.c:1444 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] smp_apic_timer_interrupt+0x7e/0xb0 arch/x86/kernel/apic/apic.c:926 [] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:768 [] kasan_kmalloc+0x4c/0xd0 mm/kasan/kasan.c:611 [] kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:554 [] slab_post_alloc_hook mm/slub.c:1349 [inline] [] slab_alloc_node mm/slub.c:2615 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0xdc/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit+0x2a8/0x300 security/selinux/avc.c:1112 [] selinux_inode_permission+0x27f/0x4a0 security/selinux/hooks.c:2902 [] security_inode_permission+0xb9/0x100 security/security.c:600 [] __inode_permission2+0x96/0x250 fs/namei.c:425 [] inode_permission2+0x32/0x110 fs/namei.c:475 [] may_lookup fs/namei.c:1706 [inline] [] link_path_walk+0x198/0x15e0 fs/namei.c:1970 [] path_lookupat.isra.0+0x6a/0x3f0 fs/namei.c:2194 [] filename_lookup+0x1a4/0x3b0 fs/namei.c:2229 [] user_path_at_empty+0x43/0x50 fs/namei.c:2403 [] user_path_at include/linux/namei.h:52 [inline] [] vfs_fstatat+0xc6/0x170 fs/stat.c:106 [] vfs_lstat fs/stat.c:129 [inline] [] SYSC_newlstat fs/stat.c:283 [inline] [] SyS_newlstat+0x97/0x110 fs/stat.c:277 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Code: ff ff e8 4d 2b 11 ff be 8e 08 00 00 48 c7 c7 e0 25 a5 82 e8 cc cf ed fe e9 48 fe ff ff 44 8b 7d d4 e9 c4 fd ff ff e8 29 2b 11 ff <0f> 0b 4c 89 f7 e8 8f e3 28 ff e9 b2 fa ff ff 48 89 55 b8 e8 c1 RIP [] skb_copy_and_csum_bits+0x6e7/0x800 net/core/skbuff.c:2208 RSP ---[ end trace a21ba990ba6cf7ef ]---