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 '10.128.0.60' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 syzkaller login: [ 47.511233] IPVS: ftp: loaded support on port[0] = 21 [ 47.706534] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.713107] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.720421] device bridge_slave_0 entered promiscuous mode [ 47.738917] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.745290] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.752326] device bridge_slave_1 entered promiscuous mode [ 47.766681] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.781473] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.819121] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.835787] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.893889] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.901157] team0: Port device team_slave_0 added [ 47.914938] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.922059] team0: Port device team_slave_1 added [ 47.936098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.951886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.968577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.984320] 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 [ 48.092289] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.098714] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.105485] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.111834] 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 [ 48.478739] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 48.484870] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.525408] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.565338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.572639] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.606209] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.612310] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.655425] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 48.860198] ================================================================== [ 48.867698] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 48.874352] Write of size 4 at addr ffff8801d34cae20 by task syzkaller900120/4460 [ 48.881946] [ 48.883557] CPU: 1 PID: 4460 Comm: syzkaller900120 Not tainted 4.16.0+ #1 [ 48.890457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.899784] Call Trace: [ 48.902360] dump_stack+0x1b9/0x294 [ 48.905978] ? dump_stack_print_info.cold.2+0x52/0x52 [ 48.911170] ? printk+0x9e/0xba [ 48.914436] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 48.919171] ? kasan_check_write+0x14/0x20 [ 48.923387] print_address_description+0x6c/0x20b [ 48.928209] ? skb_release_data+0x19b/0x860 [ 48.932508] kasan_report.cold.7+0x242/0x2fe [ 48.936895] check_memory_region+0x13e/0x1b0 [ 48.941281] kasan_check_write+0x14/0x20 [ 48.945318] skb_release_data+0x19b/0x860 [ 48.949447] ? skb_tx_error+0x2f0/0x2f0 [ 48.953411] ? kasan_check_read+0x11/0x20 [ 48.957550] ? rcu_is_watching+0x85/0x140 [ 48.961681] ? kasan_check_write+0x14/0x20 [ 48.965894] ? sock_rmem_free+0x6f/0x90 [ 48.969846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.975362] skb_release_all+0x4a/0x60 [ 48.979225] kfree_skb+0x195/0x560 [ 48.982744] ? skb_queue_purge+0x19/0x40 [ 48.986781] ? __kfree_skb+0x20/0x20 [ 48.990474] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 48.995044] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 49.000144] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.005137] ? trace_hardirqs_on+0xd/0x10 [ 49.009274] ? skb_dequeue+0x12f/0x180 [ 49.013143] skb_queue_purge+0x19/0x40 [ 49.017027] packet_sock_destruct+0x93/0x290 [ 49.021415] ? packet_mm_close+0xc0/0xc0 [ 49.025453] ? graph_lock+0x170/0x170 [ 49.029235] ? __free_object+0x16e/0x330 [ 49.033275] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 49.038533] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 49.043093] ? packet_mm_close+0xc0/0xc0 [ 49.047132] __sk_destruct+0xff/0xa40 [ 49.050928] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 49.055836] ? graph_lock+0x170/0x170 [ 49.059616] ? lock_downgrade+0x8e0/0x8e0 [ 49.063739] ? __lock_is_held+0xb5/0x140 [ 49.067778] ? kasan_check_read+0x11/0x20 [ 49.071902] ? do_raw_spin_unlock+0x9e/0x2e0 [ 49.076285] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 49.080884] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 49.085966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.091480] ? refcount_sub_and_test+0x212/0x330 [ 49.096214] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 49.100948] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 49.105683] ? pcpu_free_area+0xa90/0xa90 [ 49.109809] sk_destruct+0x78/0x90 [ 49.113333] __sk_free+0x22e/0x340 [ 49.116851] sk_free+0x42/0x50 [ 49.120024] packet_release+0xa18/0xd50 [ 49.123975] ? lock_downgrade+0x8e0/0x8e0 [ 49.128103] ? packet_lookup_frame+0x270/0x270 [ 49.132665] ? cpumask_weight.constprop.5+0x44/0x44 [ 49.137683] ? do_raw_spin_lock+0xc1/0x200 [ 49.141898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.147412] ? locks_remove_file+0x3f7/0x5a0 [ 49.151803] ? fcntl_setlk+0x1020/0x1020 [ 49.155853] ? fsnotify+0x415/0x1100 [ 49.159550] ? fsnotify_first_mark+0x330/0x330 [ 49.164112] sock_release+0x96/0x1b0 [ 49.167803] ? sock_alloc_file+0x4e0/0x4e0 [ 49.172021] sock_close+0x16/0x20 [ 49.175448] __fput+0x34d/0x890 [ 49.178718] ? fput+0x1a0/0x1a0 [ 49.181979] ? check_same_owner+0x320/0x320 [ 49.186278] ____fput+0x15/0x20 [ 49.189533] task_work_run+0x1e4/0x290 [ 49.193401] ? task_work_cancel+0x240/0x240 [ 49.197703] ? switch_task_namespaces+0xbd/0xd0 [ 49.202358] do_exit+0x1aee/0x2730 [ 49.205879] ? mm_update_next_owner+0x980/0x980 [ 49.210526] ? finish_mkwrite_fault+0x610/0x610 [ 49.215172] ? debug_check_no_locks_freed+0x310/0x310 [ 49.220354] ? kasan_check_read+0x11/0x20 [ 49.224480] ? rcu_is_watching+0x85/0x140 [ 49.228608] ? lock_acquire+0x1dc/0x520 [ 49.232571] ? lock_release+0xa10/0xa10 [ 49.236521] ? tun_chr_close+0x180/0x180 [ 49.240562] ? kasan_check_write+0x14/0x20 [ 49.244774] ? do_raw_spin_lock+0xc1/0x200 [ 49.248995] ? __handle_mm_fault+0x88c/0x4150 [ 49.253478] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 49.258214] ? graph_lock+0x170/0x170 [ 49.262002] ? rcu_is_watching+0x85/0x140 [ 49.266127] ? graph_lock+0x170/0x170 [ 49.269907] ? find_held_lock+0x36/0x1c0 [ 49.273956] ? find_held_lock+0x36/0x1c0 [ 49.278000] ? lock_downgrade+0x8e0/0x8e0 [ 49.282126] ? handle_mm_fault+0x8c0/0xc70 [ 49.286339] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 49.291855] ? handle_mm_fault+0x55a/0xc70 [ 49.296066] ? __handle_mm_fault+0x4150/0x4150 [ 49.300636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.306148] ? __do_page_fault+0x441/0xe40 [ 49.310364] do_group_exit+0x16f/0x430 [ 49.314231] ? SyS_exit+0x30/0x30 [ 49.317666] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 49.322485] ? do_syscall_64+0xb7/0x9d0 [ 49.326436] ? do_group_exit+0x430/0x430 [ 49.330474] SyS_exit_group+0x1d/0x20 [ 49.334251] do_syscall_64+0x29e/0x9d0 [ 49.338115] ? vmalloc_sync_all+0x30/0x30 [ 49.342251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.346984] ? syscall_return_slowpath+0x5c0/0x5c0 [ 49.351890] ? syscall_return_slowpath+0x30f/0x5c0 [ 49.356818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.362337] ? retint_user+0x18/0x18 [ 49.366039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.370863] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.376027] RIP: 0033:0x441799 [ 49.379194] RSP: 002b:00007ffdcce331c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 49.386878] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441799 [ 49.394124] RDX: 00000000004416d0 RSI: 0000000000000001 RDI: 0000000000000001 [ 49.401384] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 49.408635] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402490 [ 49.415880] R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 [ 49.423135] [ 49.424737] Allocated by task 4460: [ 49.428345] save_stack+0x43/0xd0 [ 49.431774] kasan_kmalloc+0xc4/0xe0 [ 49.435463] __kmalloc_node_track_caller+0x47/0x70 [ 49.440372] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 49.445105] __alloc_skb+0x14d/0x780 [ 49.448791] alloc_skb_with_frags+0x137/0x760 [ 49.453263] sock_alloc_send_pskb+0x87a/0xae0 [ 49.457736] packet_sendmsg+0x1bd1/0x60b0 [ 49.461862] sock_sendmsg+0xd5/0x120 [ 49.465552] ___sys_sendmsg+0x805/0x940 [ 49.469501] __sys_sendmsg+0x115/0x270 [ 49.473363] SyS_sendmsg+0x29/0x30 [ 49.476879] do_syscall_64+0x29e/0x9d0 [ 49.480745] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.485906] [ 49.487509] Freed by task 4460: [ 49.490765] save_stack+0x43/0xd0 [ 49.494195] __kasan_slab_free+0x11a/0x170 [ 49.498405] kasan_slab_free+0xe/0x10 [ 49.502180] kfree+0xd9/0x260 [ 49.505263] skb_free_head+0x99/0xc0 [ 49.508957] skb_release_data+0x690/0x860 [ 49.513084] skb_release_all+0x4a/0x60 [ 49.516949] kfree_skb+0x195/0x560 [ 49.520471] ip6_tnl_start_xmit+0xa44/0x2290 [ 49.524878] dev_hard_start_xmit+0x264/0xc10 [ 49.529269] __dev_queue_xmit+0x2724/0x34c0 [ 49.533565] dev_queue_xmit+0x17/0x20 [ 49.537344] packet_sendmsg+0x411c/0x60b0 [ 49.541470] sock_sendmsg+0xd5/0x120 [ 49.545158] ___sys_sendmsg+0x805/0x940 [ 49.549105] __sys_sendmsg+0x115/0x270 [ 49.552966] SyS_sendmsg+0x29/0x30 [ 49.556482] do_syscall_64+0x29e/0x9d0 [ 49.560345] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.565506] [ 49.567125] The buggy address belongs to the object at ffff8801d34cad40 [ 49.567125] which belongs to the cache kmalloc-512 of size 512 [ 49.579773] The buggy address is located 224 bytes inside of [ 49.579773] 512-byte region [ffff8801d34cad40, ffff8801d34caf40) [ 49.591623] The buggy address belongs to the page: [ 49.596527] page:ffffea00074d3280 count:1 mapcount:0 mapping:ffff8801d34ca0c0 index:0x0 [ 49.604646] flags: 0x2fffc0000000100(slab) [ 49.608872] raw: 02fffc0000000100 ffff8801d34ca0c0 0000000000000000 0000000100000006 [ 49.616735] raw: ffffea00074d16e0 ffffea00074d3320 ffff8801dac00940 0000000000000000 [ 49.624598] page dumped because: kasan: bad access detected [ 49.630296] [ 49.631898] Memory state around the buggy address: [ 49.636802] ffff8801d34cad00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 49.644140] ffff8801d34cad80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.651477] >ffff8801d34cae00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.658813] ^ [ 49.663203] ffff8801d34cae80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.670545] ffff8801d34caf00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 49.677891] ================================================================== [ 49.685234] Disabling lock debugging due to kernel taint [ 49.691329] Kernel panic - not syncing: panic_on_warn set ... [ 49.691329] [ 49.698689] CPU: 1 PID: 4460 Comm: syzkaller900120 Tainted: G B 4.16.0+ #1 [ 49.706991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.716322] Call Trace: [ 49.718893] dump_stack+0x1b9/0x294 [ 49.722505] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.727672] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.732427] ? skb_release_data+0xd0/0x860 [ 49.736636] panic+0x22f/0x4de [ 49.739803] ? add_taint.cold.5+0x16/0x16 [ 49.743928] ? do_raw_spin_unlock+0x9e/0x2e0 [ 49.748311] ? do_raw_spin_unlock+0x9e/0x2e0 [ 49.752691] ? skb_release_data+0x19b/0x860 [ 49.756993] kasan_end_report+0x47/0x4f [ 49.760944] kasan_report.cold.7+0x76/0x2fe [ 49.765239] check_memory_region+0x13e/0x1b0 [ 49.769623] kasan_check_write+0x14/0x20 [ 49.773657] skb_release_data+0x19b/0x860 [ 49.777780] ? skb_tx_error+0x2f0/0x2f0 [ 49.781728] ? kasan_check_read+0x11/0x20 [ 49.785854] ? rcu_is_watching+0x85/0x140 [ 49.789988] ? kasan_check_write+0x14/0x20 [ 49.794211] ? sock_rmem_free+0x6f/0x90 [ 49.798165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.803678] skb_release_all+0x4a/0x60 [ 49.807541] kfree_skb+0x195/0x560 [ 49.811057] ? skb_queue_purge+0x19/0x40 [ 49.815097] ? __kfree_skb+0x20/0x20 [ 49.818786] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 49.823355] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 49.828434] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.833422] ? trace_hardirqs_on+0xd/0x10 [ 49.837545] ? skb_dequeue+0x12f/0x180 [ 49.841418] skb_queue_purge+0x19/0x40 [ 49.845285] packet_sock_destruct+0x93/0x290 [ 49.849666] ? packet_mm_close+0xc0/0xc0 [ 49.853700] ? graph_lock+0x170/0x170 [ 49.857479] ? __free_object+0x16e/0x330 [ 49.861513] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 49.866774] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 49.871335] ? packet_mm_close+0xc0/0xc0 [ 49.875370] __sk_destruct+0xff/0xa40 [ 49.879163] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 49.884073] ? graph_lock+0x170/0x170 [ 49.887850] ? lock_downgrade+0x8e0/0x8e0 [ 49.891976] ? __lock_is_held+0xb5/0x140 [ 49.896014] ? kasan_check_read+0x11/0x20 [ 49.900138] ? do_raw_spin_unlock+0x9e/0x2e0 [ 49.904535] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 49.909115] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 49.914197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.919709] ? refcount_sub_and_test+0x212/0x330 [ 49.924446] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 49.929179] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 49.933908] ? pcpu_free_area+0xa90/0xa90 [ 49.938035] sk_destruct+0x78/0x90 [ 49.941549] __sk_free+0x22e/0x340 [ 49.945064] sk_free+0x42/0x50 [ 49.948234] packet_release+0xa18/0xd50 [ 49.952184] ? lock_downgrade+0x8e0/0x8e0 [ 49.956307] ? packet_lookup_frame+0x270/0x270 [ 49.960866] ? cpumask_weight.constprop.5+0x44/0x44 [ 49.965863] ? do_raw_spin_lock+0xc1/0x200 [ 49.970073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.975587] ? locks_remove_file+0x3f7/0x5a0 [ 49.979979] ? fcntl_setlk+0x1020/0x1020 [ 49.984017] ? fsnotify+0x415/0x1100 [ 49.987707] ? fsnotify_first_mark+0x330/0x330 [ 49.992267] sock_release+0x96/0x1b0 [ 49.995957] ? sock_alloc_file+0x4e0/0x4e0 [ 50.000165] sock_close+0x16/0x20 [ 50.003592] __fput+0x34d/0x890 [ 50.006848] ? fput+0x1a0/0x1a0 [ 50.010104] ? check_same_owner+0x320/0x320 [ 50.014402] ____fput+0x15/0x20 [ 50.017657] task_work_run+0x1e4/0x290 [ 50.021523] ? task_work_cancel+0x240/0x240 [ 50.025827] ? switch_task_namespaces+0xbd/0xd0 [ 50.030474] do_exit+0x1aee/0x2730 [ 50.033995] ? mm_update_next_owner+0x980/0x980 [ 50.038641] ? finish_mkwrite_fault+0x610/0x610 [ 50.043306] ? debug_check_no_locks_freed+0x310/0x310 [ 50.048499] ? kasan_check_read+0x11/0x20 [ 50.052638] ? rcu_is_watching+0x85/0x140 [ 50.056778] ? lock_acquire+0x1dc/0x520 [ 50.060746] ? lock_release+0xa10/0xa10 [ 50.064697] ? tun_chr_close+0x180/0x180 [ 50.068734] ? kasan_check_write+0x14/0x20 [ 50.072943] ? do_raw_spin_lock+0xc1/0x200 [ 50.077156] ? __handle_mm_fault+0x88c/0x4150 [ 50.081626] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 50.086358] ? graph_lock+0x170/0x170 [ 50.090133] ? rcu_is_watching+0x85/0x140 [ 50.094253] ? graph_lock+0x170/0x170 [ 50.098027] ? find_held_lock+0x36/0x1c0 [ 50.102066] ? find_held_lock+0x36/0x1c0 [ 50.106101] ? lock_downgrade+0x8e0/0x8e0 [ 50.110224] ? handle_mm_fault+0x8c0/0xc70 [ 50.114436] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 50.119949] ? handle_mm_fault+0x55a/0xc70 [ 50.124158] ? __handle_mm_fault+0x4150/0x4150 [ 50.128729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.134241] ? __do_page_fault+0x441/0xe40 [ 50.138471] do_group_exit+0x16f/0x430 [ 50.142339] ? SyS_exit+0x30/0x30 [ 50.145773] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 50.150593] ? do_syscall_64+0xb7/0x9d0 [ 50.154543] ? do_group_exit+0x430/0x430 [ 50.158583] SyS_exit_group+0x1d/0x20 [ 50.162361] do_syscall_64+0x29e/0x9d0 [ 50.166232] ? vmalloc_sync_all+0x30/0x30 [ 50.170363] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.175098] ? syscall_return_slowpath+0x5c0/0x5c0 [ 50.180007] ? syscall_return_slowpath+0x30f/0x5c0 [ 50.184916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.190428] ? retint_user+0x18/0x18 [ 50.194117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.198942] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.204109] RIP: 0033:0x441799 [ 50.207277] RSP: 002b:00007ffdcce331c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 50.214964] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441799 [ 50.222216] RDX: 00000000004416d0 RSI: 0000000000000001 RDI: 0000000000000001 [ 50.229461] RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000003 [ 50.236720] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402490 [ 50.244066] R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 [ 50.251814] Dumping ftrace buffer: [ 50.255334] (ftrace buffer empty) [ 50.259019] Kernel Offset: disabled [ 50.262621] Rebooting in 86400 seconds..