INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 syzkaller login: [ 41.967806] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 42.169524] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.176064] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.183756] device bridge_slave_0 entered promiscuous mode [ 42.200842] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.207251] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.214472] device bridge_slave_1 entered promiscuous mode [ 42.230669] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.247556] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.291710] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.310781] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.377930] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.385522] team0: Port device team_slave_0 added [ 42.402651] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.409814] team0: Port device team_slave_1 added [ 42.425124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.441911] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.459228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.476918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 42.616214] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.622688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.629524] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.635900] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 43.090743] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 43.097006] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.142664] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.168531] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.198524] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.204895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.212452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.252311] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 43.532165] ================================================================== [ 43.539659] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 43.546326] Write of size 4 at addr ffff8801d42f88e0 by task syzkaller282306/4523 [ 43.553920] [ 43.555543] CPU: 1 PID: 4523 Comm: syzkaller282306 Not tainted 4.16.0+ #2 [ 43.562457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.571824] Call Trace: [ 43.574401] dump_stack+0x1b9/0x294 [ 43.578192] ? dump_stack_print_info.cold.2+0x52/0x52 [ 43.583453] ? printk+0x9e/0xba [ 43.586721] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 43.591557] ? kasan_check_write+0x14/0x20 [ 43.595774] print_address_description+0x6c/0x20b [ 43.600596] ? skb_release_data+0x19b/0x860 [ 43.604898] kasan_report.cold.7+0xac/0x2f5 [ 43.609199] check_memory_region+0x13e/0x1b0 [ 43.613589] kasan_check_write+0x14/0x20 [ 43.617629] skb_release_data+0x19b/0x860 [ 43.621776] ? skb_tx_error+0x2f0/0x2f0 [ 43.625731] ? kasan_check_read+0x11/0x20 [ 43.629861] ? rcu_is_watching+0x85/0x140 [ 43.633993] ? kasan_check_write+0x14/0x20 [ 43.638209] ? sock_rmem_free+0x6f/0x90 [ 43.642168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.647683] skb_release_all+0x4a/0x60 [ 43.651548] kfree_skb+0x195/0x560 [ 43.655078] ? skb_queue_purge+0x19/0x40 [ 43.659116] ? __kfree_skb+0x20/0x20 [ 43.662809] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 43.667386] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 43.672483] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.677507] ? trace_hardirqs_on+0xd/0x10 [ 43.681640] ? skb_dequeue+0x12f/0x180 [ 43.685506] skb_queue_purge+0x19/0x40 [ 43.689380] packet_sock_destruct+0x93/0x290 [ 43.693769] ? packet_mm_close+0xc0/0xc0 [ 43.697893] ? graph_lock+0x170/0x170 [ 43.701675] ? __free_object+0x16e/0x330 [ 43.705725] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 43.710980] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 43.715542] ? packet_mm_close+0xc0/0xc0 [ 43.719584] __sk_destruct+0xff/0xa40 [ 43.723385] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 43.728305] ? graph_lock+0x170/0x170 [ 43.732087] ? lock_downgrade+0x8e0/0x8e0 [ 43.736222] ? __lock_is_held+0xb5/0x140 [ 43.740293] ? kasan_check_read+0x11/0x20 [ 43.744427] ? do_raw_spin_unlock+0x9e/0x2e0 [ 43.748817] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 43.753383] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 43.758473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.763994] ? refcount_sub_and_test+0x212/0x330 [ 43.768731] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 43.773465] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 43.778213] ? pcpu_free_area+0xa90/0xa90 [ 43.782349] sk_destruct+0x78/0x90 [ 43.785881] __sk_free+0x22e/0x340 [ 43.789405] sk_free+0x42/0x50 [ 43.792588] packet_release+0xa18/0xd50 [ 43.796554] ? lock_downgrade+0x8e0/0x8e0 [ 43.800686] ? packet_lookup_frame+0x270/0x270 [ 43.805248] ? cpumask_weight.constprop.5+0x44/0x44 [ 43.810248] ? do_raw_spin_lock+0xc1/0x200 [ 43.814487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.820006] ? locks_remove_file+0x3f7/0x5a0 [ 43.824407] ? fcntl_setlk+0x1020/0x1020 [ 43.828449] ? fsnotify+0x415/0x1100 [ 43.832152] ? fsnotify_first_mark+0x330/0x330 [ 43.836733] sock_release+0x96/0x1b0 [ 43.840426] ? sock_alloc_file+0x4e0/0x4e0 [ 43.844640] sock_close+0x16/0x20 [ 43.848071] __fput+0x34d/0x890 [ 43.851330] ? fput+0x1a0/0x1a0 [ 43.854589] ? check_same_owner+0x320/0x320 [ 43.858892] ____fput+0x15/0x20 [ 43.862151] task_work_run+0x1e4/0x290 [ 43.866037] ? task_work_cancel+0x240/0x240 [ 43.870345] ? switch_task_namespaces+0xbd/0xd0 [ 43.874996] do_exit+0x1aee/0x2730 [ 43.878520] ? mm_update_next_owner+0x980/0x980 [ 43.883171] ? finish_mkwrite_fault+0x610/0x610 [ 43.887823] ? debug_check_no_locks_freed+0x310/0x310 [ 43.893000] ? kasan_check_read+0x11/0x20 [ 43.897222] ? rcu_is_watching+0x85/0x140 [ 43.901394] ? lock_acquire+0x1dc/0x520 [ 43.905355] ? lock_release+0xa10/0xa10 [ 43.909325] ? tun_chr_close+0x180/0x180 [ 43.913398] ? kasan_check_write+0x14/0x20 [ 43.918505] ? do_raw_spin_lock+0xc1/0x200 [ 43.922740] ? __handle_mm_fault+0x88c/0x4150 [ 43.927230] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 43.931967] ? graph_lock+0x170/0x170 [ 43.935748] ? rcu_is_watching+0x85/0x140 [ 43.939890] ? graph_lock+0x170/0x170 [ 43.943671] ? find_held_lock+0x36/0x1c0 [ 43.947715] ? find_held_lock+0x36/0x1c0 [ 43.951777] ? lock_downgrade+0x8e0/0x8e0 [ 43.955906] ? handle_mm_fault+0x8c0/0xc70 [ 43.960132] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 43.965704] ? handle_mm_fault+0x55a/0xc70 [ 43.969934] ? __handle_mm_fault+0x4150/0x4150 [ 43.974500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.980026] ? __do_page_fault+0x441/0xe40 [ 43.984267] do_group_exit+0x16f/0x430 [ 43.988137] ? SyS_exit+0x30/0x30 [ 43.991576] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 43.996406] ? do_syscall_64+0xb7/0x9d0 [ 44.000367] ? do_group_exit+0x430/0x430 [ 44.004425] SyS_exit_group+0x1d/0x20 [ 44.008212] do_syscall_64+0x29e/0x9d0 [ 44.012080] ? vmalloc_sync_all+0x30/0x30 [ 44.016209] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.020958] ? syscall_return_slowpath+0x5c0/0x5c0 [ 44.025879] ? syscall_return_slowpath+0x30f/0x5c0 [ 44.030806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.036798] ? retint_user+0x18/0x18 [ 44.040582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.045497] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.050671] RIP: 0033:0x4416b9 [ 44.053840] RSP: 002b:00007ffede77e108 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 44.061541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004416b9 [ 44.068793] RDX: 00000000004415f0 RSI: 0000000000000001 RDI: 0000000000000001 [ 44.076063] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 44.083328] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000004023b0 [ 44.090576] R13: 0000000000402440 R14: 0000000000000000 R15: 0000000000000000 [ 44.097833] [ 44.099442] Allocated by task 4523: [ 44.103057] save_stack+0x43/0xd0 [ 44.106838] kasan_kmalloc+0xc4/0xe0 [ 44.110543] __kmalloc_node_track_caller+0x47/0x70 [ 44.115453] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 44.120201] __alloc_skb+0x14d/0x780 [ 44.123894] alloc_skb_with_frags+0x137/0x760 [ 44.128403] sock_alloc_send_pskb+0x87a/0xae0 [ 44.133148] packet_sendmsg+0x1bd1/0x6100 [ 44.137291] sock_sendmsg+0xd5/0x120 [ 44.140980] ___sys_sendmsg+0x805/0x940 [ 44.144934] __sys_sendmsg+0x115/0x270 [ 44.148812] SyS_sendmsg+0x29/0x30 [ 44.152421] do_syscall_64+0x29e/0x9d0 [ 44.156292] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.161455] [ 44.163060] Freed by task 4523: [ 44.166322] save_stack+0x43/0xd0 [ 44.169753] __kasan_slab_free+0x11a/0x170 [ 44.173973] kasan_slab_free+0xe/0x10 [ 44.177782] kfree+0xd9/0x260 [ 44.180890] skb_free_head+0x99/0xc0 [ 44.184608] skb_release_data+0x690/0x860 [ 44.188757] skb_release_all+0x4a/0x60 [ 44.192667] kfree_skb+0x195/0x560 [ 44.196194] ip6_tnl_start_xmit+0xa44/0x2290 [ 44.200590] dev_hard_start_xmit+0x264/0xc10 [ 44.204988] __dev_queue_xmit+0x2724/0x34c0 [ 44.209312] dev_queue_xmit+0x17/0x20 [ 44.213096] packet_sendmsg+0x411d/0x6100 [ 44.217228] sock_sendmsg+0xd5/0x120 [ 44.220928] ___sys_sendmsg+0x805/0x940 [ 44.224902] __sys_sendmsg+0x115/0x270 [ 44.228788] SyS_sendmsg+0x29/0x30 [ 44.232317] do_syscall_64+0x29e/0x9d0 [ 44.236194] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.241356] [ 44.242971] The buggy address belongs to the object at ffff8801d42f8800 [ 44.242971] which belongs to the cache kmalloc-512 of size 512 [ 44.255627] The buggy address is located 224 bytes inside of [ 44.255627] 512-byte region [ffff8801d42f8800, ffff8801d42f8a00) [ 44.267489] The buggy address belongs to the page: [ 44.272408] page:ffffea000750be00 count:1 mapcount:0 mapping:ffff8801d42f8080 index:0x0 [ 44.280533] flags: 0x2fffc0000000100(slab) [ 44.284749] raw: 02fffc0000000100 ffff8801d42f8080 0000000000000000 0000000100000006 [ 44.292612] raw: ffffea000750bd60 ffffea000750be60 ffff8801dac00940 0000000000000000 [ 44.300477] page dumped because: kasan: bad access detected [ 44.306176] [ 44.307795] Memory state around the buggy address: [ 44.312727] ffff8801d42f8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.320083] ffff8801d42f8800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.327442] >ffff8801d42f8880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.334783] ^ [ 44.341259] ffff8801d42f8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.348602] ffff8801d42f8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.355939] ================================================================== [ 44.363282] Disabling lock debugging due to kernel taint [ 44.369536] Kernel panic - not syncing: panic_on_warn set ... [ 44.369536] [ 44.376926] CPU: 1 PID: 4523 Comm: syzkaller282306 Tainted: G B 4.16.0+ #2 [ 44.385254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.394601] Call Trace: [ 44.397189] dump_stack+0x1b9/0x294 [ 44.400806] ? dump_stack_print_info.cold.2+0x52/0x52 [ 44.405997] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.410750] ? skb_release_data+0xd0/0x860 [ 44.414978] panic+0x22f/0x4de [ 44.418167] ? add_taint.cold.5+0x16/0x16 [ 44.422306] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.426708] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.431118] ? skb_release_data+0x19b/0x860 [ 44.435425] kasan_end_report+0x47/0x4f [ 44.439378] kasan_report.cold.7+0xc9/0x2f5 [ 44.443684] check_memory_region+0x13e/0x1b0 [ 44.448080] kasan_check_write+0x14/0x20 [ 44.452144] skb_release_data+0x19b/0x860 [ 44.456279] ? skb_tx_error+0x2f0/0x2f0 [ 44.460238] ? kasan_check_read+0x11/0x20 [ 44.464390] ? rcu_is_watching+0x85/0x140 [ 44.468522] ? kasan_check_write+0x14/0x20 [ 44.472739] ? sock_rmem_free+0x6f/0x90 [ 44.476706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.482222] skb_release_all+0x4a/0x60 [ 44.486090] kfree_skb+0x195/0x560 [ 44.489954] ? skb_queue_purge+0x19/0x40 [ 44.493992] ? __kfree_skb+0x20/0x20 [ 44.497695] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.502258] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 44.507351] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.512362] ? trace_hardirqs_on+0xd/0x10 [ 44.516503] ? skb_dequeue+0x12f/0x180 [ 44.520405] skb_queue_purge+0x19/0x40 [ 44.524297] packet_sock_destruct+0x93/0x290 [ 44.528692] ? packet_mm_close+0xc0/0xc0 [ 44.532732] ? graph_lock+0x170/0x170 [ 44.536519] ? __free_object+0x16e/0x330 [ 44.540577] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 44.545836] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.550409] ? packet_mm_close+0xc0/0xc0 [ 44.554448] __sk_destruct+0xff/0xa40 [ 44.558230] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 44.563137] ? graph_lock+0x170/0x170 [ 44.566925] ? lock_downgrade+0x8e0/0x8e0 [ 44.571063] ? __lock_is_held+0xb5/0x140 [ 44.575112] ? kasan_check_read+0x11/0x20 [ 44.579245] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.583646] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.588221] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 44.593324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.598848] ? refcount_sub_and_test+0x212/0x330 [ 44.604906] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 44.609660] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 44.614406] ? pcpu_free_area+0xa90/0xa90 [ 44.618542] sk_destruct+0x78/0x90 [ 44.622077] __sk_free+0x22e/0x340 [ 44.625618] sk_free+0x42/0x50 [ 44.628800] packet_release+0xa18/0xd50 [ 44.632762] ? lock_downgrade+0x8e0/0x8e0 [ 44.636911] ? packet_lookup_frame+0x270/0x270 [ 44.641493] ? cpumask_weight.constprop.5+0x44/0x44 [ 44.646504] ? do_raw_spin_lock+0xc1/0x200 [ 44.650722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.656245] ? locks_remove_file+0x3f7/0x5a0 [ 44.660634] ? fcntl_setlk+0x1020/0x1020 [ 44.664674] ? fsnotify+0x415/0x1100 [ 44.668373] ? fsnotify_first_mark+0x330/0x330 [ 44.672953] sock_release+0x96/0x1b0 [ 44.676645] ? sock_alloc_file+0x4e0/0x4e0 [ 44.680854] sock_close+0x16/0x20 [ 44.684284] __fput+0x34d/0x890 [ 44.687547] ? fput+0x1a0/0x1a0 [ 44.690810] ? check_same_owner+0x320/0x320 [ 44.695109] ____fput+0x15/0x20 [ 44.698374] task_work_run+0x1e4/0x290 [ 44.702243] ? task_work_cancel+0x240/0x240 [ 44.706545] ? switch_task_namespaces+0xbd/0xd0 [ 44.711210] do_exit+0x1aee/0x2730 [ 44.714732] ? mm_update_next_owner+0x980/0x980 [ 44.719394] ? finish_mkwrite_fault+0x610/0x610 [ 44.724063] ? debug_check_no_locks_freed+0x310/0x310 [ 44.729241] ? kasan_check_read+0x11/0x20 [ 44.733374] ? rcu_is_watching+0x85/0x140 [ 44.737500] ? lock_acquire+0x1dc/0x520 [ 44.741453] ? lock_release+0xa10/0xa10 [ 44.745408] ? tun_chr_close+0x180/0x180 [ 44.749451] ? kasan_check_write+0x14/0x20 [ 44.753670] ? do_raw_spin_lock+0xc1/0x200 [ 44.757887] ? __handle_mm_fault+0x88c/0x4150 [ 44.762996] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 44.767740] ? graph_lock+0x170/0x170 [ 44.771522] ? rcu_is_watching+0x85/0x140 [ 44.775649] ? graph_lock+0x170/0x170 [ 44.779431] ? find_held_lock+0x36/0x1c0 [ 44.783475] ? find_held_lock+0x36/0x1c0 [ 44.787518] ? lock_downgrade+0x8e0/0x8e0 [ 44.791647] ? handle_mm_fault+0x8c0/0xc70 [ 44.795867] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 44.801383] ? handle_mm_fault+0x55a/0xc70 [ 44.805595] ? __handle_mm_fault+0x4150/0x4150 [ 44.810159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.815688] ? __do_page_fault+0x441/0xe40 [ 44.819996] do_group_exit+0x16f/0x430 [ 44.823878] ? SyS_exit+0x30/0x30 [ 44.827338] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 44.832169] ? do_syscall_64+0xb7/0x9d0 [ 44.836125] ? do_group_exit+0x430/0x430 [ 44.840163] SyS_exit_group+0x1d/0x20 [ 44.843945] do_syscall_64+0x29e/0x9d0 [ 44.847814] ? vmalloc_sync_all+0x30/0x30 [ 44.851949] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.856687] ? syscall_return_slowpath+0x5c0/0x5c0 [ 44.861597] ? syscall_return_slowpath+0x30f/0x5c0 [ 44.866515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.872034] ? retint_user+0x18/0x18 [ 44.875727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.880640] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.885814] RIP: 0033:0x4416b9 [ 44.888988] RSP: 002b:00007ffede77e108 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 44.896677] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004416b9 [ 44.903926] RDX: 00000000004415f0 RSI: 0000000000000001 RDI: 0000000000000001 [ 44.911175] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 44.918429] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000004023b0 [ 44.925682] R13: 0000000000402440 R14: 0000000000000000 R15: 0000000000000000 [ 44.932977] Dumping ftrace buffer: [ 44.936490] (ftrace buffer empty) [ 44.940177] Kernel Offset: disabled [ 44.943779] Rebooting in 86400 seconds..