bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 21760 Comm: syz-executor.1 Not tainted 4.14.218-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88805bb603c0 task.stack: ffff88809ef50000 RIP: 0010:__write_once_size syzkaller/managers/linux-4-14/kernel/./include/linux/compiler.h:210 [inline] RIP: 0010:__hlist_del syzkaller/managers/linux-4-14/kernel/./include/linux/list.h:679 [inline] RIP: 0010:hlist_del_rcu syzkaller/managers/linux-4-14/kernel/./include/linux/rculist.h:427 [inline] RIP: 0010:vxlan_fdb_destroy+0xb4/0x1f0 syzkaller/managers/linux-4-14/kernel/drivers/net/vxlan.c:787 RSP: 0018:ffff88809ef57150 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff8880a1c39d80 RCX: ffffc900099f2000 RDX: 1bd5a00000000040 RSI: ffffffff83d6f342 RDI: ffff8880a1c39d88 RBP: 0000000000000000 R08: ffffffff8b9a4b50 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200 R13: 0000000000000000 R14: ffff88809ef57250 R15: ffff88809d23e1c0 FS: 00007fd228f8b700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00d1a3ef8 CR3: 000000009d1bb000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vxlan_dev_create+0x3b0/0x710 syzkaller/managers/linux-4-14/kernel/drivers/net/vxlan.c:3281 vxlan_newlink+0xa3/0xe0 syzkaller/managers/linux-4-14/kernel/drivers/net/vxlan.c:3502 rtnl_newlink+0xf88/0x1830 syzkaller/managers/linux-4-14/kernel/net/core/rtnetlink.c:2728 rtnetlink_rcv_msg+0x3be/0xb10 syzkaller/managers/linux-4-14/kernel/net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 syzkaller/managers/linux-4-14/kernel/net/netlink/af_netlink.c:2433 netlink_unicast_kernel syzkaller/managers/linux-4-14/kernel/net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 syzkaller/managers/linux-4-14/kernel/net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 syzkaller/managers/linux-4-14/kernel/net/netlink/af_netlink.c:1878 sock_sendmsg_nosec syzkaller/managers/linux-4-14/kernel/net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 syzkaller/managers/linux-4-14/kernel/net/socket.c:656 sock_no_sendpage+0xe2/0x110 syzkaller/managers/linux-4-14/kernel/net/core/sock.c:2595 kernel_sendpage syzkaller/managers/linux-4-14/kernel/net/socket.c:3407 [inline] sock_sendpage+0xdf/0x140 syzkaller/managers/linux-4-14/kernel/net/socket.c:871 pipe_to_sendpage+0x226/0x2d0 syzkaller/managers/linux-4-14/kernel/fs/splice.c:451 splice_from_pipe_feed syzkaller/managers/linux-4-14/kernel/fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 syzkaller/managers/linux-4-14/kernel/fs/splice.c:626 splice_from_pipe syzkaller/managers/linux-4-14/kernel/fs/splice.c:661 [inline] generic_splice_sendpage+0xc1/0x110 syzkaller/managers/linux-4-14/kernel/fs/splice.c:832 do_splice_from syzkaller/managers/linux-4-14/kernel/fs/splice.c:851 [inline] do_splice syzkaller/managers/linux-4-14/kernel/fs/splice.c:1147 [inline] SYSC_splice syzkaller/managers/linux-4-14/kernel/fs/splice.c:1402 [inline] SyS_splice+0xd59/0x1380 syzkaller/managers/linux-4-14/kernel/fs/splice.c:1382 do_syscall_64+0x1d5/0x640 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x465b09 RSP: 002b:00007fd228f8b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465b09 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00000000004b069f R08: 000000000004ffe2 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 R13: 00007fffb4c2ca4f R14: 00007fd228f8b300 R15: 0000000000022000 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 01 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 09 01 00 00 48 85 ed 49 89 2c 24 74 28 e8 f4 RIP: __write_once_size syzkaller/managers/linux-4-14/kernel/./include/linux/compiler.h:210 [inline] RSP: ffff88809ef57150 RIP: __hlist_del syzkaller/managers/linux-4-14/kernel/./include/linux/list.h:679 [inline] RSP: ffff88809ef57150 RIP: hlist_del_rcu syzkaller/managers/linux-4-14/kernel/./include/linux/rculist.h:427 [inline] RSP: ffff88809ef57150 RIP: vxlan_fdb_destroy+0xb4/0x1f0 syzkaller/managers/linux-4-14/kernel/drivers/net/vxlan.c:787 RSP: ffff88809ef57150 ---[ end trace 7dcfccf64ef940bb ]---