Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.028194] netlink: 24 bytes leftover after parsing attributes in process `syz-executor984'. [ 38.049890] device veth1 entered promiscuous mode [ 38.067828] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.142078] kasan: CONFIG_KASAN_INLINE enabled [ 38.163342] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 38.173239] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 38.179538] CPU: 0 PID: 8145 Comm: syz-executor984 Not tainted 4.19.195-syzkaller #0 [ 38.187481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.197031] RIP: 0010:vxlan_fdb_destroy+0xbe/0x1f0 [ 38.202059] Code: 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 da 28 [ 38.223386] RSP: 0018:ffff8880951b6d90 EFLAGS: 00010a02 [ 38.228761] RAX: dffffc0000000000 RBX: ffff8880b352c880 RCX: ffffffff844f55de [ 38.236176] RDX: 1bd5a00000000040 RSI: ffffffff844f55ec RDI: ffff8880b352c888 [ 38.243471] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.250854] R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000200 [ 38.258152] R13: 0000000000000000 R14: ffff8880951b6eb0 R15: ffff888094d9cb00 [ 38.265865] FS: 00007f4780b6f700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 38.274076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.279940] CR2: 00007fa3e99a5000 CR3: 00000000a3382000 CR4: 00000000001406f0 [ 38.287220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.294505] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.301784] Call Trace: [ 38.304390] __vxlan_dev_create+0x477/0x820 [ 38.308703] ? vxlan_fdb_add+0x340/0x340 [ 38.312769] ? vxlan_setup+0x400/0x400 [ 38.316643] ? __kmalloc_node+0x38/0x70 [ 38.320624] vxlan_newlink+0xc0/0x120 [ 38.324415] ? __vxlan_dev_create+0x820/0x820 [ 38.328895] ? memset+0x20/0x40 [ 38.332187] ? rtnl_create_link+0x145/0xa40 [ 38.336611] ? __vxlan_dev_create+0x820/0x820 [ 38.341094] rtnl_newlink+0x1030/0x15c0 [ 38.345148] ? rtnl_getlink+0x620/0x620 [ 38.349113] ? unwind_next_frame+0xeee/0x1400 [ 38.353669] ? __save_stack_trace+0x72/0x190 [ 38.358104] ? deref_stack_reg+0x134/0x1d0 [ 38.362366] ? deref_stack_reg+0x1d0/0x1d0 [ 38.366611] ? unwind_next_frame+0xeee/0x1400 [ 38.371095] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.376464] ? lock_downgrade+0x720/0x720 [ 38.380597] ? deref_stack_reg+0x1d0/0x1d0 [ 38.384815] ? __unwind_start+0x5b8/0x960 [ 38.388948] ? is_bpf_text_address+0xfc/0x1b0 [ 38.393441] ? kernel_text_address+0xbd/0xf0 [ 38.397863] ? __kernel_text_address+0x9/0x30 [ 38.402357] ? unwind_get_return_address+0x51/0x90 [ 38.407272] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.412618] ? __save_stack_trace+0xaf/0x190 [ 38.417020] ? __lock_acquire+0x6de/0x3ff0 [ 38.421290] ? mark_held_locks+0xf0/0xf0 [ 38.425341] ? get_reg+0x1f0/0x1f0 [ 38.428873] ? mutex_trylock+0x1a0/0x1a0 [ 38.432917] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 38.437314] ? rtnl_getlink+0x620/0x620 [ 38.441296] rtnetlink_rcv_msg+0x453/0xb80 [ 38.445519] ? rtnl_calcit.isra.0+0x430/0x430 [ 38.449996] ? __netlink_lookup+0x3fc/0x730 [ 38.454302] ? lock_downgrade+0x720/0x720 [ 38.458437] ? check_preemption_disabled+0x41/0x280 [ 38.463465] netlink_rcv_skb+0x160/0x440 [ 38.467527] ? rtnl_calcit.isra.0+0x430/0x430 [ 38.472004] ? netlink_ack+0xae0/0xae0 [ 38.475899] netlink_unicast+0x4d5/0x690 [ 38.479941] ? netlink_sendskb+0x110/0x110 [ 38.484426] ? _copy_from_iter_full+0x229/0x7c0 [ 38.489093] ? __phys_addr_symbol+0x2c/0x70 [ 38.493420] ? __check_object_size+0x17b/0x3e0 [ 38.498424] netlink_sendmsg+0x6bb/0xc40 [ 38.502473] ? aa_af_perm+0x230/0x230 [ 38.506300] ? nlmsg_notify+0x1a0/0x1a0 [ 38.510256] ? nlmsg_notify+0x1a0/0x1a0 [ 38.514303] sock_sendmsg+0xc3/0x120 [ 38.518019] sock_no_sendpage+0xf5/0x140 [ 38.522065] ? __sk_mem_schedule+0xd0/0xd0 [ 38.526305] ? pipe_lock+0x63/0x80 [ 38.529833] ? __sk_mem_schedule+0xd0/0xd0 [ 38.534061] sock_sendpage+0xdf/0x140 [ 38.537857] pipe_to_sendpage+0x268/0x330 [ 38.541989] ? sockfs_setattr+0x160/0x160 [ 38.546129] ? direct_splice_actor+0x160/0x160 [ 38.550706] ? splice_from_pipe_next.part.0+0x2ad/0x360 [ 38.556169] __splice_from_pipe+0x389/0x800 [ 38.560580] ? direct_splice_actor+0x160/0x160 [ 38.565239] generic_splice_sendpage+0xd4/0x140 [ 38.569890] ? __splice_from_pipe+0x800/0x800 [ 38.574372] ? security_file_permission+0x1c0/0x220 [ 38.579371] ? __splice_from_pipe+0x800/0x800 [ 38.583889] __se_sys_splice+0xfe7/0x16d0 [ 38.588031] ? lock_acquire+0x170/0x3c0 [ 38.591990] ? ret_from_fork+0x8/0x30 [ 38.595808] ? __se_sys_tee+0xb90/0xb90 [ 38.599771] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.604773] ? do_syscall_64+0x21/0x620 [ 38.608733] do_syscall_64+0xf9/0x620 [ 38.612524] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.617719] RIP: 0033:0x444e09 [ 38.620898] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.640070] RSP: 002b:00007f4780b6f2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 38.647795] RAX: ffffffffffffffda RBX: 00000000004ca458 RCX: 0000000000444e09 [ 38.655052] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 38.662311] RBP: 00000000004ca450 R08: 000000000004ffe2 R09: 0000000000000000 [ 38.669570] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ca45c [ 38.676843] R13: 000000000049a004 R14: 0000006e616c7876 R15: 0000000000022000 [ 38.684106] Modules linked in: [ 38.688294] ---[ end trace 00de3d2277dffbe7 ]--- [ 38.693304] RIP: 0010:vxlan_fdb_destroy+0xbe/0x1f0 [ 38.698391] Code: 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 da 28 [ 38.718663] RSP: 0018:ffff8880951b6d90 EFLAGS: 00010a02 [ 38.724166] RAX: dffffc0000000000 RBX: ffff8880b352c880 RCX: ffffffff844f55de [ 38.731662] RDX: 1bd5a00000000040 RSI: ffffffff844f55ec RDI: ffff8880b352c888 [ 38.739056] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.748632] R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000200 [ 38.755997] R13: 0000000000000000 R14: ffff8880951b6eb0 R15: ffff888094d9cb00 [ 38.763384] FS: 00007f4780b6f700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 38.771641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.777607] CR2: 00007fa3e99a5000 CR3: 00000000a3382000 CR4: 00000000001406f0 [ 38.784965] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.792724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.800095] Kernel panic - not syncing: Fatal exception [ 38.806467] Kernel Offset: disabled [ 38.810196] Rebooting in 86400 seconds..