Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 86.142939][ T9887] netlink: 4 bytes leftover after parsing attributes in process `syz-executor042'. [ 86.153627][ T9887] general protection fault, probably for non-canonical address 0xdffffc0000000016: 0000 [#1] PREEMPT SMP KASAN [ 86.166633][ T9887] KASAN: null-ptr-deref in range [0x00000000000000b0-0x00000000000000b7] [ 86.175121][ T9887] CPU: 0 PID: 9887 Comm: syz-executor042 Not tainted 5.6.0-rc5-syzkaller #0 [ 86.183774][ T9887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.193830][ T9887] RIP: 0010:erspan_netlink_parms.isra.0+0x5c/0x420 [ 86.213186][ T9887] Code: 6a 03 d6 fa 45 85 e4 0f 85 f0 00 00 00 e8 ec 01 d6 fa 48 8d bb b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 37 03 00 00 4c 8b ab b0 00 00 00 4d 85 ed 0f 84 [ 86.232797][ T9887] RSP: 0018:ffffc90001f17080 EFLAGS: 00010202 [ 86.239821][ T9887] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff869c13c6 [ 86.248029][ T9887] RDX: 0000000000000016 RSI: ffffffff869c13d4 RDI: 00000000000000b0 [ 86.255985][ T9887] RBP: ffff888090c0a000 R08: ffff88809a4f6240 R09: ffffc90001f170f0 [ 86.263940][ T9887] R10: fffff520003e2e24 R11: 0000000000000003 R12: 0000000000000000 [ 86.271889][ T9887] R13: ffffc90001f170e0 R14: 0000000000000000 R15: ffffc90001f17428 [ 86.279841][ T9887] FS: 0000000001941880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 86.290575][ T9887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.297153][ T9887] CR2: 0000000020000284 CR3: 000000009e80a000 CR4: 00000000001406f0 [ 86.305133][ T9887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.313616][ T9887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.322817][ T9887] Call Trace: [ 86.326101][ T9887] erspan_newlink+0x106/0x140 [ 86.330758][ T9887] ? erspan_changelink+0x230/0x230 [ 86.341673][ T9887] ? xdp_rxq_info_reg+0x111/0x1b0 [ 86.346692][ T9887] ? rtnl_create_link+0x184/0xac0 [ 86.351713][ T9887] ? erspan_changelink+0x230/0x230 [ 86.357358][ T9887] __rtnl_newlink+0xf18/0x1590 [ 86.362188][ T9887] ? rtnl_link_unregister+0x240/0x240 [ 86.367701][ T9887] ? kernel_text_address+0xe2/0x100 [ 86.372940][ T9887] ? __kernel_text_address+0x9/0x30 [ 86.378148][ T9887] ? unwind_get_return_address+0x5a/0xa0 [ 86.383775][ T9887] ? profile_setup.cold+0xc1/0xc1 [ 86.388781][ T9887] ? arch_stack_walk+0x84/0xd0 [ 86.393535][ T9887] ? stack_trace_save+0x8c/0xc0 [ 86.398390][ T9887] ? stack_trace_consume_entry+0x160/0x160 [ 86.404251][ T9887] ? rtnl_newlink+0x46/0xa0 [ 86.408749][ T9887] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.414279][ T9887] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 86.420341][ T9887] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 86.426140][ T9887] ? rtnetlink_rcv_msg+0x1d6/0xad0 [ 86.431319][ T9887] rtnl_newlink+0x64/0xa0 [ 86.435731][ T9887] ? __rtnl_newlink+0x1590/0x1590 [ 86.440745][ T9887] rtnetlink_rcv_msg+0x44e/0xad0 [ 86.445696][ T9887] ? rtnl_bridge_getlink+0x880/0x880 [ 86.450965][ T9887] ? mark_held_locks+0xe0/0xe0 [ 86.455716][ T9887] ? netlink_deliver_tap+0x146/0xb50 [ 86.461775][ T9887] netlink_rcv_skb+0x15a/0x410 [ 86.466520][ T9887] ? rtnl_bridge_getlink+0x880/0x880 [ 86.471781][ T9887] ? netlink_ack+0xa80/0xa80 [ 86.476355][ T9887] netlink_unicast+0x537/0x740 [ 86.481096][ T9887] ? netlink_attachskb+0x810/0x810 [ 86.486183][ T9887] ? _copy_from_iter_full+0x25c/0x870 [ 86.491547][ T9887] ? __phys_addr_symbol+0x2c/0x70 [ 86.496550][ T9887] ? __check_object_size+0x171/0x437 [ 86.501810][ T9887] netlink_sendmsg+0x882/0xe10 [ 86.506550][ T9887] ? aa_af_perm+0x260/0x260 [ 86.511028][ T9887] ? netlink_unicast+0x740/0x740 [ 86.515944][ T9887] ? netlink_unicast+0x740/0x740 [ 86.520870][ T9887] sock_sendmsg+0xcf/0x120 [ 86.525271][ T9887] ____sys_sendmsg+0x6b9/0x7d0 [ 86.530014][ T9887] ? kernel_sendmsg+0x50/0x50 [ 86.534712][ T9887] ? mark_lock+0xbc/0x1220 [ 86.539129][ T9887] ___sys_sendmsg+0x100/0x170 [ 86.543814][ T9887] ? lockdep_hardirqs_on+0x417/0x5d0 [ 86.549086][ T9887] ? sendmsg_copy_msghdr+0x70/0x70 [ 86.554177][ T9887] ? prep_transhuge_page+0xa0/0xa0 [ 86.559320][ T9887] ? pud_val+0x7c/0xf0 [ 86.563369][ T9887] ? pmd_val+0xf0/0xf0 [ 86.567515][ T9887] ? find_held_lock+0x2d/0x110 [ 86.572304][ T9887] ? do_page_fault+0x58b/0x12da [ 86.577490][ T9887] ? apply_to_existing_page_range+0x40/0x40 [ 86.583386][ T9887] ? lock_downgrade+0x7f0/0x7f0 [ 86.588235][ T9887] ? __fget_light+0x1a5/0x270 [ 86.592990][ T9887] __sys_sendmsg+0xec/0x1b0 [ 86.597502][ T9887] ? __sys_sendmsg_sock+0xb0/0xb0 [ 86.602543][ T9887] ? mark_held_locks+0x9f/0xe0 [ 86.607394][ T9887] ? trace_hardirqs_off_caller+0x55/0x230 [ 86.613115][ T9887] ? do_syscall_64+0x21/0x7d0 [ 86.617786][ T9887] do_syscall_64+0xf6/0x7d0 [ 86.622301][ T9887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.628197][ T9887] RIP: 0033:0x4402e9 [ 86.632091][ T9887] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.651691][ T9887] RSP: 002b:00007fffc0fc1f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.660139][ T9887] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004402e9 [ 86.668126][ T9887] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 86.676177][ T9887] RBP: 00000000006ca018 R08: 0000000000006e61 R09: 00000000004002c8 [ 86.684133][ T9887] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000401b70 [ 86.692078][ T9887] R13: 0000000000401c00 R14: 0000000000000000 R15: 0000000000000000 [ 86.700033][ T9887] Modules linked in: [ 86.704357][ T9887] ---[ end trace 895543aaa6ca5250 ]--- [ 86.709831][ T9887] RIP: 0010:erspan_netlink_parms.isra.0+0x5c/0x420 [ 86.716432][ T9887] Code: 6a 03 d6 fa 45 85 e4 0f 85 f0 00 00 00 e8 ec 01 d6 fa 48 8d bb b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 37 03 00 00 4c 8b ab b0 00 00 00 4d 85 ed 0f 84 [ 86.736073][ T9887] RSP: 0018:ffffc90001f17080 EFLAGS: 00010202 [ 86.742136][ T9887] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff869c13c6 [ 86.750135][ T9887] RDX: 0000000000000016 RSI: ffffffff869c13d4 RDI: 00000000000000b0 [ 86.758248][ T9887] RBP: ffff888090c0a000 R08: ffff88809a4f6240 R09: ffffc90001f170f0 [ 86.766248][ T9887] R10: fffff520003e2e24 R11: 0000000000000003 R12: 0000000000000000 [ 86.774243][ T9887] R13: ffffc90001f170e0 R14: 0000000000000000 R15: ffffc90001f17428 [ 86.785824][ T9887] FS: 0000000001941880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 86.795718][ T9887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.802304][ T9887] CR2: 0000000020000284 CR3: 000000009e80a000 CR4: 00000000001406f0 [ 86.810529][ T9887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.818549][ T9887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.826674][ T9887] Kernel panic - not syncing: Fatal exception [ 86.833369][ T9887] Kernel Offset: disabled [ 86.837694][ T9887] Rebooting in 86400 seconds..