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 syzkaller login: [ 24.617894] sshd (4483) used greatest stack depth: 17144 bytes left Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 [ 30.437133] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 30.535098] ip (4513) used greatest stack depth: 16584 bytes left [ 30.651418] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.657928] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.666795] device bridge_slave_0 entered promiscuous mode [ 30.683145] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.689584] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.696726] device bridge_slave_1 entered promiscuous mode [ 30.717117] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.733182] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.776673] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.794880] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.860482] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.867988] team0: Port device team_slave_0 added [ 30.882513] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.889665] team0: Port device team_slave_1 added [ 30.904956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.922696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.939470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.957249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported [ 31.039190] ip (4585) used greatest stack depth: 16168 bytes left [ 31.077512] bridge0: port 2(bridge_slave_1) entered blocking state RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 31.083982] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.090931] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.097300] 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 [ 31.515792] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 31.522326] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.566876] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.611062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.619492] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 31.658205] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 31.892934] ip6_tunnel: non-ECT from fe80:0000:0000:0000:0000:0000:0000:00bb with DS=0x5 [ 31.931220] ================================================================== [ 31.938745] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 31.945403] Write of size 4 at addr ffff8801cd4beae0 by task syzkaller266946/4497 [ 31.953011] [ 31.954636] CPU: 0 PID: 4497 Comm: syzkaller266946 Not tainted 4.16.0+ #1 [ 31.961546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.970979] Call Trace: [ 31.973561] dump_stack+0x1b9/0x294 [ 31.977196] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.982377] ? printk+0x9e/0xba [ 31.985650] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 31.990412] ? kasan_check_write+0x14/0x20 [ 31.994631] print_address_description+0x6c/0x20b [ 31.999473] ? skb_release_data+0x19b/0x860 [ 32.003782] kasan_report.cold.7+0x242/0x2fe [ 32.008188] check_memory_region+0x13e/0x1b0 [ 32.012581] kasan_check_write+0x14/0x20 [ 32.016627] skb_release_data+0x19b/0x860 [ 32.020759] ? skb_tx_error+0x2f0/0x2f0 [ 32.024714] ? kasan_check_read+0x11/0x20 [ 32.028844] ? rcu_is_watching+0x85/0x140 [ 32.032978] ? kasan_check_write+0x14/0x20 [ 32.037209] ? sock_rmem_free+0x6f/0x90 [ 32.041169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.046693] skb_release_all+0x4a/0x60 [ 32.050570] kfree_skb+0x195/0x560 [ 32.054149] ? skb_queue_purge+0x19/0x40 [ 32.058207] ? __kfree_skb+0x20/0x20 [ 32.061915] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.066492] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.071580] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.076578] ? trace_hardirqs_on+0xd/0x10 [ 32.080714] ? skb_dequeue+0x12f/0x180 [ 32.084603] skb_queue_purge+0x19/0x40 [ 32.088530] packet_sock_destruct+0x93/0x290 [ 32.092941] ? packet_mm_close+0xc0/0xc0 [ 32.096984] ? graph_lock+0x170/0x170 [ 32.100771] ? __free_object+0x16e/0x330 [ 32.104826] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 32.110087] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.114664] ? packet_mm_close+0xc0/0xc0 [ 32.118712] __sk_destruct+0xff/0xa40 [ 32.122500] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 32.127421] ? graph_lock+0x170/0x170 [ 32.131207] ? lock_downgrade+0x8e0/0x8e0 [ 32.135341] ? __lock_is_held+0xb5/0x140 [ 32.139396] ? kasan_check_read+0x11/0x20 [ 32.143534] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.148376] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.152945] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.158146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.163672] ? refcount_sub_and_test+0x212/0x330 [ 32.168423] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 32.173173] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 32.177915] ? pcpu_free_area+0xa90/0xa90 [ 32.182054] sk_destruct+0x78/0x90 [ 32.185596] __sk_free+0x22e/0x340 [ 32.189224] sk_free+0x42/0x50 [ 32.192410] packet_release+0xa18/0xd50 [ 32.196378] ? lock_downgrade+0x8e0/0x8e0 [ 32.200512] ? packet_lookup_frame+0x270/0x270 [ 32.205078] ? cpumask_weight.constprop.5+0x44/0x44 [ 32.210086] ? do_raw_spin_lock+0xc1/0x200 [ 32.214322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.219844] ? locks_remove_file+0x3f7/0x5a0 [ 32.224259] ? fcntl_setlk+0x1020/0x1020 [ 32.228313] ? fsnotify+0x415/0x1100 [ 32.232104] ? fsnotify_first_mark+0x330/0x330 [ 32.236673] sock_release+0x96/0x1b0 [ 32.240373] ? sock_alloc_file+0x4e0/0x4e0 [ 32.244599] sock_close+0x16/0x20 [ 32.248041] __fput+0x34d/0x890 [ 32.251317] ? fput+0x1a0/0x1a0 [ 32.254592] ? check_same_owner+0x320/0x320 [ 32.258911] ____fput+0x15/0x20 [ 32.262178] task_work_run+0x1e4/0x290 [ 32.266053] ? task_work_cancel+0x240/0x240 [ 32.270367] ? switch_task_namespaces+0xbd/0xd0 [ 32.275047] do_exit+0x1aee/0x2730 [ 32.278579] ? lock_release+0xa10/0xa10 [ 32.282540] ? mm_update_next_owner+0x980/0x980 [ 32.287211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.292761] ? import_iovec+0x24b/0x420 [ 32.296723] ? dup_iter+0x270/0x270 [ 32.300338] ? kasan_check_read+0x11/0x20 [ 32.304473] ? rcu_is_watching+0x85/0x140 [ 32.308603] ? rcu_pm_notify+0xc0/0xc0 [ 32.312488] ? ___sys_sendmsg+0x31a/0x940 [ 32.316631] ? kfree+0x1e9/0x260 [ 32.319981] ? ___sys_sendmsg+0x31f/0x940 [ 32.324125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.329650] ? copy_msghdr_from_user+0x560/0x560 [ 32.334395] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 32.339134] ? graph_lock+0x170/0x170 [ 32.342920] ? graph_lock+0x170/0x170 [ 32.346706] ? find_held_lock+0x36/0x1c0 [ 32.350754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.356304] ? __fget_light+0x2ef/0x430 [ 32.360268] ? fget_raw+0x20/0x20 [ 32.363714] ? find_held_lock+0x36/0x1c0 [ 32.367775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.373325] ? sockfd_lookup_light+0xc5/0x160 [ 32.377835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.383368] ? __sys_sendmsg+0x1aa/0x270 [ 32.387417] ? SyS_shutdown+0x30/0x30 [ 32.391208] ? __do_page_fault+0x441/0xe40 [ 32.395889] do_group_exit+0x16f/0x430 [ 32.399772] ? SyS_exit+0x30/0x30 [ 32.403221] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 32.408060] ? do_syscall_64+0xb7/0x9d0 [ 32.412030] ? do_group_exit+0x430/0x430 [ 32.416086] SyS_exit_group+0x1d/0x20 [ 32.419964] do_syscall_64+0x29e/0x9d0 [ 32.423838] ? vmalloc_sync_all+0x30/0x30 [ 32.428064] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.432923] ? syscall_return_slowpath+0x5c0/0x5c0 [ 32.437853] ? syscall_return_slowpath+0x30f/0x5c0 [ 32.442794] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 32.448169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.453002] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.458203] RIP: 0033:0x441a39 [ 32.461396] RSP: 002b:00007ffc8ccc00e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 32.469132] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441a39 [ 32.476389] RDX: 0000000000441a39 RSI: 0000000000000004 RDI: 0000000000000001 [ 32.483644] RBP: 00000000006cd018 R08: 00007ffc00008806 R09: 0000000000000003 [ 32.490899] R10: 00007ffc00008806 R11: 0000000000000206 R12: 0000000000402730 [ 32.498159] R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000 [ 32.505435] [ 32.507058] Allocated by task 4497: [ 32.510681] save_stack+0x43/0xd0 [ 32.514117] kasan_kmalloc+0xc4/0xe0 [ 32.517820] __kmalloc_node_track_caller+0x47/0x70 [ 32.522736] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 32.527474] __alloc_skb+0x14d/0x780 [ 32.531180] alloc_skb_with_frags+0x137/0x760 [ 32.535660] sock_alloc_send_pskb+0x87a/0xae0 [ 32.540150] packet_sendmsg+0x1bd1/0x60b0 [ 32.544281] sock_sendmsg+0xd5/0x120 [ 32.547973] ___sys_sendmsg+0x805/0x940 [ 32.551930] __sys_sendmsg+0x115/0x270 [ 32.555800] SyS_sendmsg+0x29/0x30 [ 32.559323] do_syscall_64+0x29e/0x9d0 [ 32.563201] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.568369] [ 32.570978] Freed by task 4497: [ 32.574265] save_stack+0x43/0xd0 [ 32.577717] __kasan_slab_free+0x11a/0x170 [ 32.581953] kasan_slab_free+0xe/0x10 [ 32.585756] kfree+0xd9/0x260 [ 32.588865] skb_free_head+0x99/0xc0 [ 32.592574] skb_release_data+0x690/0x860 [ 32.596709] skb_release_all+0x4a/0x60 [ 32.600589] kfree_skb+0x195/0x560 [ 32.604123] ip6_tnl_start_xmit+0xa44/0x2290 [ 32.608523] dev_hard_start_xmit+0x264/0xc10 [ 32.612913] __dev_queue_xmit+0x2724/0x34c0 [ 32.617233] dev_queue_xmit+0x17/0x20 [ 32.621026] packet_sendmsg+0x411c/0x60b0 [ 32.625163] sock_sendmsg+0xd5/0x120 [ 32.628863] ___sys_sendmsg+0x805/0x940 [ 32.632827] __sys_sendmsg+0x115/0x270 [ 32.636695] SyS_sendmsg+0x29/0x30 [ 32.640226] do_syscall_64+0x29e/0x9d0 [ 32.644106] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.649269] [ 32.650882] The buggy address belongs to the object at ffff8801cd4bea00 [ 32.650882] which belongs to the cache kmalloc-512 of size 512 [ 32.663534] The buggy address is located 224 bytes inside of [ 32.663534] 512-byte region [ffff8801cd4bea00, ffff8801cd4bec00) [ 32.675408] The buggy address belongs to the page: [ 32.680328] page:ffffea0007352f80 count:1 mapcount:0 mapping:ffff8801cd4be000 index:0x0 [ 32.688456] flags: 0x2fffc0000000100(slab) [ 32.692677] raw: 02fffc0000000100 ffff8801cd4be000 0000000000000000 0000000100000006 [ 32.700549] raw: ffffea0007352f20 ffffea0007355860 ffff8801dac00940 0000000000000000 [ 32.708411] page dumped because: kasan: bad access detected [ 32.714109] [ 32.715719] Memory state around the buggy address: [ 32.720628] ffff8801cd4be980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.727977] ffff8801cd4bea00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.735325] >ffff8801cd4bea80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.742674] ^ [ 32.749158] ffff8801cd4beb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.756499] ffff8801cd4beb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.763839] ================================================================== [ 32.771182] Disabling lock debugging due to kernel taint [ 32.777215] Kernel panic - not syncing: panic_on_warn set ... [ 32.777215] [ 32.784596] CPU: 0 PID: 4497 Comm: syzkaller266946 Tainted: G B 4.16.0+ #1 [ 32.792917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.802255] Call Trace: [ 32.804832] dump_stack+0x1b9/0x294 [ 32.808445] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.813629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.818379] ? skb_release_data+0xd0/0x860 [ 32.822596] panic+0x22f/0x4de [ 32.825778] ? add_taint.cold.5+0x16/0x16 [ 32.829923] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.834331] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.838732] ? skb_release_data+0x19b/0x860 [ 32.843045] kasan_end_report+0x47/0x4f [ 32.847018] kasan_report.cold.7+0x76/0x2fe [ 32.851328] check_memory_region+0x13e/0x1b0 [ 32.855717] kasan_check_write+0x14/0x20 [ 32.859783] skb_release_data+0x19b/0x860 [ 32.863916] ? skb_tx_error+0x2f0/0x2f0 [ 32.867875] ? kasan_check_read+0x11/0x20 [ 32.872014] ? rcu_is_watching+0x85/0x140 [ 32.876159] ? kasan_check_write+0x14/0x20 [ 32.880384] ? sock_rmem_free+0x6f/0x90 [ 32.884344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.889866] skb_release_all+0x4a/0x60 [ 32.893745] kfree_skb+0x195/0x560 [ 32.897267] ? skb_queue_purge+0x19/0x40 [ 32.901311] ? __kfree_skb+0x20/0x20 [ 32.905009] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.909581] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 32.915377] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.920379] ? trace_hardirqs_on+0xd/0x10 [ 32.924511] ? skb_dequeue+0x12f/0x180 [ 32.928377] skb_queue_purge+0x19/0x40 [ 32.932243] packet_sock_destruct+0x93/0x290 [ 32.936628] ? packet_mm_close+0xc0/0xc0 [ 32.940702] ? graph_lock+0x170/0x170 [ 32.944484] ? __free_object+0x16e/0x330 [ 32.948524] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 32.953788] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.958453] ? packet_mm_close+0xc0/0xc0 [ 32.962500] __sk_destruct+0xff/0xa40 [ 32.966307] ? sock_warn_obsolete_bsdism+0xb0/0xb0 [ 32.971235] ? graph_lock+0x170/0x170 [ 32.975023] ? lock_downgrade+0x8e0/0x8e0 [ 32.979158] ? __lock_is_held+0xb5/0x140 [ 32.983203] ? kasan_check_read+0x11/0x20 [ 32.987333] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.991718] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.996286] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 33.001373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.006907] ? refcount_sub_and_test+0x212/0x330 [ 33.011648] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 33.016564] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 33.021310] ? pcpu_free_area+0xa90/0xa90 [ 33.026513] sk_destruct+0x78/0x90 [ 33.030045] __sk_free+0x22e/0x340 [ 33.033572] sk_free+0x42/0x50 [ 33.036751] packet_release+0xa18/0xd50 [ 33.040716] ? lock_downgrade+0x8e0/0x8e0 [ 33.044872] ? packet_lookup_frame+0x270/0x270 [ 33.049614] ? cpumask_weight.constprop.5+0x44/0x44 [ 33.054620] ? do_raw_spin_lock+0xc1/0x200 [ 33.058852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.064386] ? locks_remove_file+0x3f7/0x5a0 [ 33.068787] ? fcntl_setlk+0x1020/0x1020 [ 33.072833] ? fsnotify+0x415/0x1100 [ 33.076535] ? fsnotify_first_mark+0x330/0x330 [ 33.081109] sock_release+0x96/0x1b0 [ 33.084821] ? sock_alloc_file+0x4e0/0x4e0 [ 33.089055] sock_close+0x16/0x20 [ 33.092671] __fput+0x34d/0x890 [ 33.095935] ? fput+0x1a0/0x1a0 [ 33.099220] ? check_same_owner+0x320/0x320 [ 33.103607] ____fput+0x15/0x20 [ 33.106881] task_work_run+0x1e4/0x290 [ 33.110760] ? task_work_cancel+0x240/0x240 [ 33.115073] ? switch_task_namespaces+0xbd/0xd0 [ 33.119726] do_exit+0x1aee/0x2730 [ 33.123263] ? lock_release+0xa10/0xa10 [ 33.127743] ? mm_update_next_owner+0x980/0x980 [ 33.132396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.137927] ? import_iovec+0x24b/0x420 [ 33.141892] ? dup_iter+0x270/0x270 [ 33.145519] ? kasan_check_read+0x11/0x20 [ 33.149654] ? rcu_is_watching+0x85/0x140 [ 33.153795] ? rcu_pm_notify+0xc0/0xc0 [ 33.157681] ? ___sys_sendmsg+0x31a/0x940 [ 33.161820] ? kfree+0x1e9/0x260 [ 33.165182] ? ___sys_sendmsg+0x31f/0x940 [ 33.169318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.174847] ? copy_msghdr_from_user+0x560/0x560 [ 33.179588] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 33.184332] ? graph_lock+0x170/0x170 [ 33.188133] ? graph_lock+0x170/0x170 [ 33.191944] ? find_held_lock+0x36/0x1c0 [ 33.196000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.201543] ? __fget_light+0x2ef/0x430 [ 33.206541] ? fget_raw+0x20/0x20 [ 33.209986] ? find_held_lock+0x36/0x1c0 [ 33.214045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.219573] ? sockfd_lookup_light+0xc5/0x160 [ 33.224057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.229587] ? __sys_sendmsg+0x1aa/0x270 [ 33.233892] ? SyS_shutdown+0x30/0x30 [ 33.237684] ? __do_page_fault+0x441/0xe40 [ 33.241909] do_group_exit+0x16f/0x430 [ 33.245788] ? SyS_exit+0x30/0x30 [ 33.249228] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 33.254057] ? do_syscall_64+0xb7/0x9d0 [ 33.258023] ? do_group_exit+0x430/0x430 [ 33.262082] SyS_exit_group+0x1d/0x20 [ 33.265874] do_syscall_64+0x29e/0x9d0 [ 33.269747] ? vmalloc_sync_all+0x30/0x30 [ 33.273874] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.278613] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.283526] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.288448] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 33.293797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.298643] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.304099] RIP: 0033:0x441a39 [ 33.307282] RSP: 002b:00007ffc8ccc00e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 33.314991] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441a39 [ 33.322263] RDX: 0000000000441a39 RSI: 0000000000000004 RDI: 0000000000000001 [ 33.329529] RBP: 00000000006cd018 R08: 00007ffc00008806 R09: 0000000000000003 [ 33.336783] R10: 00007ffc00008806 R11: 0000000000000206 R12: 0000000000402730 [ 33.344048] R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000 [ 33.352109] Dumping ftrace buffer: [ 33.355680] (ftrace buffer empty) [ 33.359409] Kernel Offset: disabled [ 33.363037] Rebooting in 86400 seconds..