SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 26391 Comm: syz-executor.0 Not tainted 4.14.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88808a8a0000 task.stack: ffff888036ca8000 RIP: 0010:__write_once_size include/linux/compiler.h:210 [inline] RIP: 0010:__hlist_del include/linux/list.h:679 [inline] RIP: 0010:hlist_del_rcu include/linux/rculist.h:427 [inline] RIP: 0010:vxlan_fdb_destroy+0xa3/0x1b0 drivers/net/vxlan.c:787 RSP: 0018:ffff888036caf128 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff888035ed4580 RCX: ffffc90005c71000 RDX: 1bd5a00000000040 RSI: ffffffff83dd30b1 RDI: ffff88804f80d1c0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200 R13: ffff888035ed4588 R14: ffff888036caf228 R15: ffff88804f80d080 FS: 00007f9a38b78700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c25000 CR3: 0000000034242000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vxlan_dev_create+0x3bc/0x710 drivers/net/vxlan.c:3272 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 vxlan_newlink+0xa3/0xe0 drivers/net/vxlan.c:3493 rtnl_newlink+0xecb/0x1720 net/core/rtnetlink.c:2728 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4315 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x620 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x733/0xbe0 net/netlink/af_netlink.c:1878 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xc5/0x100 net/socket.c:656 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26367 comm=syz-executor.2 sock_no_sendpage+0xe5/0x110 net/core/sock.c:2572 kernel_sendpage+0x82/0xd0 net/socket.c:3407 sock_sendpage+0x84/0xa0 net/socket.c:871 pipe_to_sendpage+0x226/0x2d0 fs/splice.c:451 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x332/0x740 fs/splice.c:626 splice_from_pipe+0xc6/0x120 fs/splice.c:661 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0xca0/0x1230 fs/splice.c:1382 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c879 RSP: 002b:00007f9a38b77c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00007f9a38b786d4 RCX: 000000000045c879 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000076bfa0 R08: 000000000004ffe2 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000ba2 R14: 00000000004ce6aa R15: 000000000076bfac Code: 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 fe 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 00 00 00 48 85 ed 49 89 2c 24 74 28 e8 85 RIP: __write_once_size include/linux/compiler.h:210 [inline] RSP: ffff888036caf128 RIP: __hlist_del include/linux/list.h:679 [inline] RSP: ffff888036caf128 RIP: hlist_del_rcu include/linux/rculist.h:427 [inline] RSP: ffff888036caf128 RIP: vxlan_fdb_destroy+0xa3/0x1b0 drivers/net/vxlan.c:787 RSP: ffff888036caf128 ---[ end trace 61f0f70238168ac0 ]---