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 '10.128.0.18' (ECDSA) to the list of known hosts. 2018/04/11 12:44:41 parsed 1 programs 2018/04/11 12:44:41 executed programs: 0 syzkaller login: [ 29.481445] IPVS: ftp: loaded support on port[0] = 21 [ 29.776274] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.172502] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 30.178617] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.222071] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.264680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.306796] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 30.312924] 8021q: adding VLAN 0 to HW filter on device team0 [ 30.343406] protocol 0000 is buggy, dev ip6gre0 [ 30.348296] ================================================================== [ 30.355750] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 30.362408] Write of size 4 at addr ffff8801d40543e0 by task syz-executor0/4637 [ 30.369839] [ 30.371461] CPU: 1 PID: 4637 Comm: syz-executor0 Not tainted 4.16.0+ #17 [ 30.378293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.387644] Call Trace: [ 30.390231] dump_stack+0x1b9/0x294 [ 30.393850] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.399039] ? printk+0x9e/0xba [ 30.402329] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 30.407079] ? kasan_check_write+0x14/0x20 [ 30.411304] print_address_description+0x6c/0x20b [ 30.416135] ? skb_release_data+0x19b/0x860 [ 30.420444] kasan_report.cold.7+0xac/0x2f5 [ 30.424763] check_memory_region+0x13e/0x1b0 [ 30.429162] kasan_check_write+0x14/0x20 [ 30.433215] skb_release_data+0x19b/0x860 [ 30.437352] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 30.442100] ? skb_tx_error+0x2f0/0x2f0 [ 30.446073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.451600] ? sock_wfree+0xcc/0x180 [ 30.455303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.460838] skb_release_all+0x4a/0x60 [ 30.464712] kfree_skb+0x195/0x560 [ 30.468242] ? ip6gre_tunnel_xmit+0x453/0xff0 [ 30.472745] ? __kfree_skb+0x20/0x20 [ 30.476453] ? kfree_skbmem+0xfb/0x210 [ 30.480348] ? __lock_is_held+0xb5/0x140 [ 30.484401] ? skb_gro_receive+0x12d0/0x12d0 [ 30.488807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.494343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.499873] ? ip6_tnl_xmit_ctl+0x104/0x450 [ 30.504188] ip6gre_tunnel_xmit+0x453/0xff0 [ 30.508503] ? __gre6_xmit+0x1bd0/0x1bd0 [ 30.512561] ? graph_lock+0x170/0x170 [ 30.516353] ? packet_cached_dev_get+0x330/0x330 [ 30.521110] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 30.526121] ? find_held_lock+0x36/0x1c0 [ 30.530186] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 30.535287] ? lock_downgrade+0x8e0/0x8e0 [ 30.539434] ? vprintk_default+0x28/0x30 [ 30.543490] ? vprintk_func+0x81/0xe7 [ 30.547280] ? kasan_check_read+0x11/0x20 [ 30.551413] ? rcu_is_watching+0x85/0x140 [ 30.555562] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 30.560306] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.565486] ? graph_lock+0x170/0x170 [ 30.569276] ? dev_queue_xmit_nit+0x8ec/0xb90 [ 30.573777] ? __lock_is_held+0xb5/0x140 [ 30.577833] dev_hard_start_xmit+0x264/0xc10 [ 30.582233] ? validate_xmit_skb_list+0x120/0x120 [ 30.587073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.592601] ? netif_skb_features+0x696/0xa60 [ 30.597093] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 30.601578] ? lock_acquire+0x1dc/0x520 [ 30.605555] ? validate_xmit_skb+0x704/0xd90 [ 30.609954] ? netif_skb_features+0xa60/0xa60 [ 30.614439] __dev_queue_xmit+0x2724/0x34c0 [ 30.618757] ? netdev_pick_tx+0x2d0/0x2d0 [ 30.622918] ? debug_check_no_locks_freed+0x310/0x310 [ 30.628117] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 30.633304] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.638829] ? get_futex_key+0xf83/0x1e90 [ 30.642970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.648500] ? refcount_add_not_zero+0x216/0x320 [ 30.653250] ? refcount_dec_if_one+0x170/0x170 [ 30.657823] ? alloc_skb_with_frags+0x4fe/0x760 [ 30.662491] ? print_usage_bug+0xc0/0xc0 [ 30.666541] ? print_usage_bug+0xc0/0xc0 [ 30.670597] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.676124] ? refcount_add+0x2f/0x70 [ 30.679915] ? skb_set_owner_w+0x24e/0x360 [ 30.684151] ? sock_alloc_send_pskb+0x7d1/0xae0 [ 30.688846] ? sock_wmalloc+0x1e0/0x1e0 [ 30.692828] ? lock_downgrade+0x8e0/0x8e0 [ 30.696971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.702500] ? cap_capable+0x1f9/0x260 [ 30.706381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.711907] ? security_capable+0x99/0xc0 [ 30.716059] dev_queue_xmit+0x17/0x20 [ 30.719856] ? dev_queue_xmit+0x17/0x20 [ 30.723819] packet_sendmsg+0x411d/0x6100 [ 30.727959] ? debug_check_no_locks_freed+0x310/0x310 [ 30.733142] ? debug_check_no_locks_freed+0x310/0x310 [ 30.738329] ? packet_getname+0x5e0/0x5e0 [ 30.742465] ? graph_lock+0x170/0x170 [ 30.746256] ? __pagevec_lru_add+0x30/0x30 [ 30.750484] ? find_held_lock+0x36/0x1c0 [ 30.754541] ? lock_downgrade+0x8e0/0x8e0 [ 30.758675] ? lock_release+0xa10/0xa10 [ 30.762637] ? check_same_owner+0x320/0x320 [ 30.766945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.772473] ? rw_copy_check_uvector+0x2d3/0x3a0 [ 30.777230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.782767] ? import_iovec+0x24b/0x420 [ 30.786730] ? dup_iter+0x270/0x270 [ 30.790356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.795909] ? move_addr_to_kernel.part.18+0x100/0x100 [ 30.801175] ? security_socket_sendmsg+0x94/0xc0 [ 30.805919] ? packet_getname+0x5e0/0x5e0 [ 30.810061] sock_sendmsg+0xd5/0x120 [ 30.813764] ___sys_sendmsg+0x805/0x940 [ 30.817726] ? compat_ifr_data_ioctl+0x170/0x170 [ 30.822471] ? copy_msghdr_from_user+0x560/0x560 [ 30.827216] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 30.831958] ? graph_lock+0x170/0x170 [ 30.835757] ? find_held_lock+0x36/0x1c0 [ 30.839809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.845336] ? __fget_light+0x2ef/0x430 [ 30.849298] ? fget_raw+0x20/0x20 [ 30.852746] ? dlci_ioctl_set+0x40/0x40 [ 30.856719] ? find_held_lock+0x36/0x1c0 [ 30.860784] ? dlci_ioctl_set+0x40/0x40 [ 30.864839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.870385] ? sockfd_lookup_light+0xc5/0x160 [ 30.874882] __sys_sendmsg+0x115/0x270 [ 30.878763] ? SyS_shutdown+0x30/0x30 [ 30.882554] ? SyS_futex+0x3a4/0x56d [ 30.886275] ? fd_install+0x4d/0x60 [ 30.889901] ? ksys_ioctl+0x81/0xd0 [ 30.893525] SyS_sendmsg+0x29/0x30 [ 30.897062] ? __sys_sendmsg+0x270/0x270 [ 30.901115] do_syscall_64+0x29e/0x9d0 [ 30.904999] ? vmalloc_sync_all+0x30/0x30 [ 30.909145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.913892] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.918810] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.923729] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 30.929080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.933914] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.939089] RIP: 0033:0x455259 [ 30.942263] RSP: 002b:00007ffe1314eeb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.949962] RAX: ffffffffffffffda RBX: 0000000001d3e914 RCX: 0000000000455259 [ 30.957218] RDX: 0000000000000000 RSI: 0000000020001540 RDI: 0000000000000004 [ 30.964477] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 30.971739] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 30.979007] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 00000000000079a5 [ 30.986277] [ 30.987892] Allocated by task 4637: [ 30.991508] save_stack+0x43/0xd0 [ 30.994948] kasan_kmalloc+0xc4/0xe0 [ 30.998666] __kmalloc_node_track_caller+0x47/0x70 [ 31.003584] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 31.008331] __alloc_skb+0x14d/0x780 [ 31.012038] alloc_skb_with_frags+0x137/0x760 [ 31.016540] sock_alloc_send_pskb+0x87a/0xae0 [ 31.021028] packet_sendmsg+0x1bd1/0x6100 [ 31.025173] sock_sendmsg+0xd5/0x120 [ 31.028870] ___sys_sendmsg+0x805/0x940 [ 31.032830] __sys_sendmsg+0x115/0x270 [ 31.036702] SyS_sendmsg+0x29/0x30 [ 31.040230] do_syscall_64+0x29e/0x9d0 [ 31.044104] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.049272] [ 31.050905] Freed by task 4637: [ 31.054184] save_stack+0x43/0xd0 [ 31.057624] __kasan_slab_free+0x11a/0x170 [ 31.061842] kasan_slab_free+0xe/0x10 [ 31.065626] kfree+0xd9/0x260 [ 31.068722] skb_free_head+0x99/0xc0 [ 31.072509] skb_release_data+0x690/0x860 [ 31.076641] skb_release_all+0x4a/0x60 [ 31.080520] consume_skb+0x18b/0x550 [ 31.084219] packet_rcv+0x16a/0x1830 [ 31.087919] dev_queue_xmit_nit+0x891/0xb90 [ 31.092227] dev_hard_start_xmit+0x16b/0xc10 [ 31.096634] __dev_queue_xmit+0x2724/0x34c0 [ 31.100944] dev_queue_xmit+0x17/0x20 [ 31.104727] packet_sendmsg+0x411d/0x6100 [ 31.108863] sock_sendmsg+0xd5/0x120 [ 31.112562] ___sys_sendmsg+0x805/0x940 [ 31.116529] __sys_sendmsg+0x115/0x270 [ 31.120401] SyS_sendmsg+0x29/0x30 [ 31.123943] do_syscall_64+0x29e/0x9d0 [ 31.127829] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.133001] [ 31.134630] The buggy address belongs to the object at ffff8801d4054300 [ 31.134630] which belongs to the cache kmalloc-512 of size 512 [ 31.147277] The buggy address is located 224 bytes inside of [ 31.147277] 512-byte region [ffff8801d4054300, ffff8801d4054500) [ 31.159135] The buggy address belongs to the page: [ 31.164058] page:ffffea0007501500 count:1 mapcount:0 mapping:ffff8801d4054080 index:0x0 [ 31.172286] flags: 0x2fffc0000000100(slab) [ 31.176522] raw: 02fffc0000000100 ffff8801d4054080 0000000000000000 0000000100000006 [ 31.184390] raw: ffffea0007501420 ffffea0007501560 ffff8801dac00940 0000000000000000 [ 31.192261] page dumped because: kasan: bad access detected [ 31.197956] [ 31.199569] Memory state around the buggy address: [ 31.204485] ffff8801d4054280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.211842] ffff8801d4054300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.219186] >ffff8801d4054380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.226554] ^ [ 31.233206] ffff8801d4054400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.240551] ffff8801d4054480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.247905] ================================================================== [ 31.255248] Disabling lock debugging due to kernel taint [ 31.260715] Kernel panic - not syncing: panic_on_warn set ... [ 31.260715] [ 31.268263] CPU: 1 PID: 4637 Comm: syz-executor0 Tainted: G B 4.16.0+ #17 [ 31.276419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.285756] Call Trace: [ 31.288333] dump_stack+0x1b9/0x294 [ 31.291949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.297138] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.301884] ? skb_release_data+0xd0/0x860 [ 31.306107] panic+0x22f/0x4de [ 31.309293] ? add_taint.cold.5+0x16/0x16 [ 31.313428] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.317822] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.322217] ? skb_release_data+0x19b/0x860 [ 31.326523] kasan_end_report+0x47/0x4f [ 31.330483] kasan_report.cold.7+0xc9/0x2f5 [ 31.334795] check_memory_region+0x13e/0x1b0 [ 31.339190] kasan_check_write+0x14/0x20 [ 31.343235] skb_release_data+0x19b/0x860 [ 31.347369] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 31.352116] ? skb_tx_error+0x2f0/0x2f0 [ 31.356082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.361600] ? sock_wfree+0xcc/0x180 [ 31.365316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.370840] skb_release_all+0x4a/0x60 [ 31.374731] kfree_skb+0x195/0x560 [ 31.378257] ? ip6gre_tunnel_xmit+0x453/0xff0 [ 31.382748] ? __kfree_skb+0x20/0x20 [ 31.386448] ? kfree_skbmem+0xfb/0x210 [ 31.390319] ? __lock_is_held+0xb5/0x140 [ 31.394364] ? skb_gro_receive+0x12d0/0x12d0 [ 31.398763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.404284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.409819] ? ip6_tnl_xmit_ctl+0x104/0x450 [ 31.414126] ip6gre_tunnel_xmit+0x453/0xff0 [ 31.418434] ? __gre6_xmit+0x1bd0/0x1bd0 [ 31.422488] ? graph_lock+0x170/0x170 [ 31.426274] ? packet_cached_dev_get+0x330/0x330 [ 31.431034] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 31.436048] ? find_held_lock+0x36/0x1c0 [ 31.440103] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 31.445192] ? lock_downgrade+0x8e0/0x8e0 [ 31.449323] ? vprintk_default+0x28/0x30 [ 31.453377] ? vprintk_func+0x81/0xe7 [ 31.457180] ? kasan_check_read+0x11/0x20 [ 31.461314] ? rcu_is_watching+0x85/0x140 [ 31.465445] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 31.470204] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.475377] ? graph_lock+0x170/0x170 [ 31.479170] ? dev_queue_xmit_nit+0x8ec/0xb90 [ 31.483656] ? __lock_is_held+0xb5/0x140 [ 31.487703] dev_hard_start_xmit+0x264/0xc10 [ 31.492099] ? validate_xmit_skb_list+0x120/0x120 [ 31.496928] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.502449] ? netif_skb_features+0x696/0xa60 [ 31.506929] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 31.511415] ? lock_acquire+0x1dc/0x520 [ 31.515378] ? validate_xmit_skb+0x704/0xd90 [ 31.519781] ? netif_skb_features+0xa60/0xa60 [ 31.524264] __dev_queue_xmit+0x2724/0x34c0 [ 31.528573] ? netdev_pick_tx+0x2d0/0x2d0 [ 31.532708] ? debug_check_no_locks_freed+0x310/0x310 [ 31.537892] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 31.543076] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.548596] ? get_futex_key+0xf83/0x1e90 [ 31.552730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.558250] ? refcount_add_not_zero+0x216/0x320 [ 31.562991] ? refcount_dec_if_one+0x170/0x170 [ 31.567563] ? alloc_skb_with_frags+0x4fe/0x760 [ 31.572218] ? print_usage_bug+0xc0/0xc0 [ 31.576272] ? print_usage_bug+0xc0/0xc0 [ 31.580334] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.585868] ? refcount_add+0x2f/0x70 [ 31.589658] ? skb_set_owner_w+0x24e/0x360 [ 31.593878] ? sock_alloc_send_pskb+0x7d1/0xae0 [ 31.598533] ? sock_wmalloc+0x1e0/0x1e0 [ 31.602492] ? lock_downgrade+0x8e0/0x8e0 [ 31.606636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.612157] ? cap_capable+0x1f9/0x260 [ 31.616042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.621568] ? security_capable+0x99/0xc0 [ 31.625709] dev_queue_xmit+0x17/0x20 [ 31.629495] ? dev_queue_xmit+0x17/0x20 [ 31.633468] packet_sendmsg+0x411d/0x6100 [ 31.637604] ? debug_check_no_locks_freed+0x310/0x310 [ 31.642777] ? debug_check_no_locks_freed+0x310/0x310 [ 31.647956] ? packet_getname+0x5e0/0x5e0 [ 31.652088] ? graph_lock+0x170/0x170 [ 31.655881] ? __pagevec_lru_add+0x30/0x30 [ 31.660102] ? find_held_lock+0x36/0x1c0 [ 31.664148] ? lock_downgrade+0x8e0/0x8e0 [ 31.668278] ? lock_release+0xa10/0xa10 [ 31.672237] ? check_same_owner+0x320/0x320 [ 31.676543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.682063] ? rw_copy_check_uvector+0x2d3/0x3a0 [ 31.686804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.692326] ? import_iovec+0x24b/0x420 [ 31.696284] ? dup_iter+0x270/0x270 [ 31.699904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.705433] ? move_addr_to_kernel.part.18+0x100/0x100 [ 31.710695] ? security_socket_sendmsg+0x94/0xc0 [ 31.715448] ? packet_getname+0x5e0/0x5e0 [ 31.719581] sock_sendmsg+0xd5/0x120 [ 31.723279] ___sys_sendmsg+0x805/0x940 [ 31.727253] ? compat_ifr_data_ioctl+0x170/0x170 [ 31.731994] ? copy_msghdr_from_user+0x560/0x560 [ 31.736740] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 31.741480] ? graph_lock+0x170/0x170 [ 31.745265] ? find_held_lock+0x36/0x1c0 [ 31.749327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.754850] ? __fget_light+0x2ef/0x430 [ 31.758811] ? fget_raw+0x20/0x20 [ 31.762248] ? dlci_ioctl_set+0x40/0x40 [ 31.766206] ? find_held_lock+0x36/0x1c0 [ 31.770253] ? dlci_ioctl_set+0x40/0x40 [ 31.774212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.779742] ? sockfd_lookup_light+0xc5/0x160 [ 31.784309] __sys_sendmsg+0x115/0x270 [ 31.788182] ? SyS_shutdown+0x30/0x30 [ 31.791967] ? SyS_futex+0x3a4/0x56d [ 31.795664] ? fd_install+0x4d/0x60 [ 31.799279] ? ksys_ioctl+0x81/0xd0 [ 31.802889] SyS_sendmsg+0x29/0x30 [ 31.806423] ? __sys_sendmsg+0x270/0x270 [ 31.810481] do_syscall_64+0x29e/0x9d0 [ 31.814353] ? vmalloc_sync_all+0x30/0x30 [ 31.818493] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.823234] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.828149] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.833063] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 31.838412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.843241] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.848413] RIP: 0033:0x455259 [ 31.851583] RSP: 002b:00007ffe1314eeb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.859276] RAX: ffffffffffffffda RBX: 0000000001d3e914 RCX: 0000000000455259 [ 31.866530] RDX: 0000000000000000 RSI: 0000000020001540 RDI: 0000000000000004 [ 31.873785] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 31.881040] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 31.888295] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 00000000000079a5 [ 31.896057] Dumping ftrace buffer: [ 31.899580] (ftrace buffer empty) [ 31.903272] Kernel Offset: disabled [ 31.906894] Rebooting in 86400 seconds..