[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.291549] audit: type=1800 audit(1546244494.810:25): pid=8095 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.325588] audit: type=1800 audit(1546244494.810:26): pid=8095 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.351599] audit: type=1800 audit(1546244494.810:27): pid=8095 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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: [ 49.195671] sshd (8231) used greatest stack depth: 15720 bytes left Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. 2018/12/31 08:21:48 parsed 1 programs 2018/12/31 08:21:49 executed programs: 0 [ 58.289638] IPVS: ftp: loaded support on port[0] = 21 [ 58.355640] chnl_net:caif_netlink_parms(): no params data found [ 58.390343] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.397242] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.404302] device bridge_slave_0 entered promiscuous mode [ 58.411748] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.418236] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.425151] device bridge_slave_1 entered promiscuous mode [ 58.442224] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.451350] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.469553] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 58.477168] team0: Port device team_slave_0 added [ 58.482479] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 58.489838] team0: Port device team_slave_1 added [ 58.495101] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 58.502582] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 58.557968] device hsr_slave_0 entered promiscuous mode [ 58.616007] device hsr_slave_1 entered promiscuous mode [ 58.676382] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 58.683343] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 58.698697] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.705140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.712442] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.718817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.752695] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 58.760684] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.769890] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.779135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.789875] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.797712] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.805103] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.817347] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.823436] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.832702] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.840865] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.847248] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.857393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.865146] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.871547] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.886868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.901965] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.912617] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.923582] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.930503] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.937873] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.945410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.953447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.961193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.975306] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 58.986210] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.136704] ================================================================== [ 59.144244] BUG: KASAN: use-after-free in __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 59.151601] Read of size 8 at addr ffff888088679a60 by task syz-executor0/8285 [ 59.158947] [ 59.160575] CPU: 0 PID: 8285 Comm: syz-executor0 Not tainted 4.20.0+ #175 [ 59.167508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.176852] Call Trace: [ 59.179446] dump_stack+0x1d3/0x2c6 [ 59.183075] ? dump_stack_print_info.cold.1+0x20/0x20 [ 59.188265] ? printk+0xa7/0xcf [ 59.191544] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 59.196296] ? lock_release+0xa00/0xa00 [ 59.200279] print_address_description.cold.5+0x9/0x1ff [ 59.205645] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 59.210664] kasan_report.cold.6+0x1b/0x39 [ 59.214895] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 59.219916] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 59.224937] __asan_report_load8_noabort+0x14/0x20 [ 59.229867] __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 59.234706] ? netlink_rcv_skb+0x1b5/0x430 [ 59.238944] ? sock_sendmsg+0xd5/0x120 [ 59.242829] ? smc_diag_handler_dump+0x350/0x350 [ 59.247592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.253126] ? check_preemption_disabled+0x48/0x280 [ 59.258144] ? __lock_is_held+0xb5/0x140 [ 59.262209] ? __kmalloc_node_track_caller+0x3c/0x70 [ 59.267311] ? rcu_read_lock_sched_held+0x108/0x120 [ 59.272342] ? kasan_unpoison_shadow+0x35/0x50 [ 59.276923] ? lock_acquire+0x1ed/0x520 [ 59.280909] ? smc_diag_dump_proto.isra.5+0xf8/0x3c0 [ 59.286021] ? __kmalloc_node_track_caller+0x4d/0x70 [ 59.291139] ? lock_release+0xa00/0xa00 [ 59.295115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.300651] ? __alloc_skb+0x4bd/0x760 [ 59.304539] ? __netlink_dump_start+0x592/0x7c0 [ 59.309211] ? kasan_check_write+0x14/0x20 [ 59.313455] smc_diag_dump_proto.isra.5+0x2e8/0x3c0 [ 59.318477] ? __smc_diag_dump.isra.4+0x2ae0/0x2ae0 [ 59.323494] ? kasan_check_write+0x14/0x20 [ 59.327748] smc_diag_dump+0x26/0x70 [ 59.331465] netlink_dump+0x600/0x1080 [ 59.335349] ? check_preemption_disabled+0x48/0x280 [ 59.340385] ? netlink_broadcast+0x50/0x50 [ 59.344632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 59.349909] ? rcu_read_unlock_special+0x370/0x370 [ 59.354864] __netlink_dump_start+0x59a/0x7c0 [ 59.359392] smc_diag_handler_dump+0x2a3/0x350 [ 59.364029] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 59.368726] ? smc_diag_dump_proto.isra.5+0x3c0/0x3c0 [ 59.373917] ? netlink_deliver_tap+0x355/0xf40 [ 59.378509] sock_diag_rcv_msg+0x31d/0x410 [ 59.382770] netlink_rcv_skb+0x16c/0x430 [ 59.386844] ? sock_diag_bind+0x80/0x80 [ 59.390815] ? netlink_ack+0xb70/0xb70 [ 59.394727] sock_diag_rcv+0x2a/0x40 [ 59.398444] netlink_unicast+0x59f/0x750 [ 59.402508] ? netlink_attachskb+0x9a0/0x9a0 [ 59.406917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.412455] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 59.417472] netlink_sendmsg+0xa18/0xfc0 [ 59.421539] ? netlink_unicast+0x750/0x750 [ 59.425780] ? smack_socket_sendmsg+0xb0/0x190 [ 59.430359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.435898] ? security_socket_sendmsg+0x94/0xc0 [ 59.440649] ? netlink_unicast+0x750/0x750 [ 59.444976] sock_sendmsg+0xd5/0x120 [ 59.448691] ___sys_sendmsg+0x7fd/0x930 [ 59.452662] ? find_held_lock+0x36/0x1c0 [ 59.456727] ? copy_msghdr_from_user+0x580/0x580 [ 59.461480] ? __fd_install+0x2b5/0x8f0 [ 59.465466] ? __fget_light+0x2e9/0x430 [ 59.469443] ? fget_raw+0x20/0x20 [ 59.472898] ? __might_fault+0x12b/0x1e0 [ 59.476955] ? lock_downgrade+0x900/0x900 [ 59.481112] ? lock_release+0xa00/0xa00 [ 59.485079] ? arch_local_save_flags+0x40/0x40 [ 59.489660] ? posix_ktime_get_ts+0x15/0x20 [ 59.493976] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 59.499442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.505006] ? sockfd_lookup_light+0xc5/0x160 [ 59.509519] __sys_sendmsg+0x11d/0x280 [ 59.513418] ? __ia32_sys_shutdown+0x80/0x80 [ 59.517829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.523364] ? put_timespec64+0x10f/0x1b0 [ 59.527518] ? do_syscall_64+0x9a/0x820 [ 59.531494] ? do_syscall_64+0x9a/0x820 [ 59.535479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 59.540936] __x64_sys_sendmsg+0x78/0xb0 [ 59.545004] do_syscall_64+0x1b9/0x820 [ 59.548898] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 59.554299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 59.559264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.564111] ? trace_hardirqs_on_caller+0x310/0x310 [ 59.569134] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 59.574154] ? prepare_exit_to_usermode+0x291/0x3b0 [ 59.579178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.584030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.589225] RIP: 0033:0x457ec9 [ 59.592445] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.611347] RSP: 002b:00007f81513c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.619059] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 59.626329] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000007 [ 59.633603] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 59.640879] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81513c66d4 [ 59.648195] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 59.655499] [ 59.657128] Allocated by task 8285: [ 59.660763] save_stack+0x43/0xd0 [ 59.664219] kasan_kmalloc+0xcb/0xd0 [ 59.667941] kasan_slab_alloc+0x12/0x20 [ 59.671966] kmem_cache_alloc+0x130/0x730 [ 59.676166] sock_alloc_inode+0x1d/0x260 [ 59.680234] alloc_inode+0x63/0x190 [ 59.683868] new_inode_pseudo+0x71/0x1a0 [ 59.687932] sock_alloc+0x41/0x270 [ 59.691482] __sock_create+0x175/0x930 [ 59.695441] sock_create_kern+0x3b/0x50 [ 59.699443] smc_create+0x17c/0x3b0 [ 59.703079] __sock_create+0x536/0x930 [ 59.707515] __sys_socket+0x106/0x260 [ 59.711321] __x64_sys_socket+0x73/0xb0 [ 59.715299] do_syscall_64+0x1b9/0x820 [ 59.719193] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.724375] [ 59.726102] Freed by task 8284: [ 59.729385] save_stack+0x43/0xd0 [ 59.732866] __kasan_slab_free+0x102/0x150 [ 59.737103] kasan_slab_free+0xe/0x10 [ 59.740907] kmem_cache_free+0x83/0x290 [ 59.744896] sock_destroy_inode+0x51/0x60 [ 59.749050] destroy_inode+0x159/0x200 [ 59.752941] evict+0x5e0/0x980 [ 59.756137] iput+0x679/0xa90 [ 59.759249] __sock_release+0x1ec/0x250 [ 59.763227] sock_release+0x17/0x20 [ 59.766864] smc_release+0x297/0x9a0 [ 59.770583] __sock_release+0xd7/0x250 [ 59.774479] sock_close+0x19/0x20 [ 59.778099] __fput+0x385/0xa50 [ 59.781382] ____fput+0x15/0x20 [ 59.784693] task_work_run+0x1e8/0x2a0 [ 59.788593] exit_to_usermode_loop+0x318/0x380 [ 59.793184] do_syscall_64+0x6be/0x820 [ 59.797079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.802263] [ 59.803895] The buggy address belongs to the object at ffff888088679a40 [ 59.803895] which belongs to the cache sock_inode_cache(17:syz0) of size 976 [ 59.817815] The buggy address is located 32 bytes inside of [ 59.817815] 976-byte region [ffff888088679a40, ffff888088679e10) [ 59.829602] The buggy address belongs to the page: [ 59.834585] page:ffffea0002219e40 count:1 mapcount:0 mapping:ffff8880a4e00840 index:0xffff888088679ffd [ 59.844032] flags: 0x1fffc0000000200(slab) [ 59.848279] raw: 01fffc0000000200 ffffea0002218808 ffffea000259adc8 ffff8880a4e00840 [ 59.856167] raw: ffff888088679ffd ffff888088679140 0000000100000003 ffff88809b2c8580 [ 59.864045] page dumped because: kasan: bad access detected [ 59.869754] page->mem_cgroup:ffff88809b2c8580 [ 59.874242] [ 59.875869] Memory state around the buggy address: [ 59.880801] ffff888088679900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 59.888161] ffff888088679980: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 59.895576] >ffff888088679a00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 59.902944] ^ [ 59.909469] ffff888088679a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.916852] ffff888088679b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.924222] ================================================================== [ 59.931641] Disabling lock debugging due to kernel taint [ 59.938115] Kernel panic - not syncing: panic_on_warn set ... [ 59.944032] CPU: 0 PID: 8285 Comm: syz-executor0 Tainted: G B 4.20.0+ #175 [ 59.952353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.961716] Call Trace: [ 59.964323] dump_stack+0x1d3/0x2c6 [ 59.967977] ? dump_stack_print_info.cold.1+0x20/0x20 [ 59.973185] ? __smc_diag_dump.isra.4+0x26c0/0x2ae0 [ 59.978213] panic+0x2ad/0x55f [ 59.981438] ? add_taint.cold.5+0x16/0x16 [ 59.985600] ? trace_hardirqs_on+0xb4/0x310 [ 59.989935] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 59.994963] end_report+0x47/0x4f [ 59.998447] kasan_report.cold.6+0xe/0x39 [ 60.002607] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 60.007636] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 60.012665] __asan_report_load8_noabort+0x14/0x20 [ 60.017609] __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 60.022464] ? netlink_rcv_skb+0x1b5/0x430 [ 60.026711] ? sock_sendmsg+0xd5/0x120 [ 60.030610] ? smc_diag_handler_dump+0x350/0x350 [ 60.035379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.040954] ? check_preemption_disabled+0x48/0x280 [ 60.045988] ? __lock_is_held+0xb5/0x140 [ 60.050066] ? __kmalloc_node_track_caller+0x3c/0x70 [ 60.055175] ? rcu_read_lock_sched_held+0x108/0x120 [ 60.060203] ? kasan_unpoison_shadow+0x35/0x50 [ 60.064798] ? lock_acquire+0x1ed/0x520 [ 60.068784] ? smc_diag_dump_proto.isra.5+0xf8/0x3c0 [ 60.073898] ? __kmalloc_node_track_caller+0x4d/0x70 [ 60.079015] ? lock_release+0xa00/0xa00 [ 60.083005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.088556] ? __alloc_skb+0x4bd/0x760 [ 60.092456] ? __netlink_dump_start+0x592/0x7c0 [ 60.097143] ? kasan_check_write+0x14/0x20 [ 60.101390] smc_diag_dump_proto.isra.5+0x2e8/0x3c0 [ 60.106463] ? __smc_diag_dump.isra.4+0x2ae0/0x2ae0 [ 60.111494] ? kasan_check_write+0x14/0x20 [ 60.115739] smc_diag_dump+0x26/0x70 [ 60.119468] netlink_dump+0x600/0x1080 [ 60.123361] ? check_preemption_disabled+0x48/0x280 [ 60.128394] ? netlink_broadcast+0x50/0x50 [ 60.132661] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 60.137946] ? rcu_read_unlock_special+0x370/0x370 [ 60.142889] __netlink_dump_start+0x59a/0x7c0 [ 60.147395] smc_diag_handler_dump+0x2a3/0x350 [ 60.152009] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 60.156686] ? smc_diag_dump_proto.isra.5+0x3c0/0x3c0 [ 60.162140] ? netlink_deliver_tap+0x355/0xf40 [ 60.166735] sock_diag_rcv_msg+0x31d/0x410 [ 60.170974] netlink_rcv_skb+0x16c/0x430 [ 60.175042] ? sock_diag_bind+0x80/0x80 [ 60.179022] ? netlink_ack+0xb70/0xb70 [ 60.183014] sock_diag_rcv+0x2a/0x40 [ 60.186729] netlink_unicast+0x59f/0x750 [ 60.190796] ? netlink_attachskb+0x9a0/0x9a0 [ 60.195210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.200755] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 60.205776] netlink_sendmsg+0xa18/0xfc0 [ 60.209847] ? netlink_unicast+0x750/0x750 [ 60.214093] ? smack_socket_sendmsg+0xb0/0x190 [ 60.218682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.224228] ? security_socket_sendmsg+0x94/0xc0 [ 60.228986] ? netlink_unicast+0x750/0x750 [ 60.233226] sock_sendmsg+0xd5/0x120 [ 60.236945] ___sys_sendmsg+0x7fd/0x930 [ 60.240921] ? find_held_lock+0x36/0x1c0 [ 60.244990] ? copy_msghdr_from_user+0x580/0x580 [ 60.249750] ? __fd_install+0x2b5/0x8f0 [ 60.253734] ? __fget_light+0x2e9/0x430 [ 60.257711] ? fget_raw+0x20/0x20 [ 60.261171] ? __might_fault+0x12b/0x1e0 [ 60.265238] ? lock_downgrade+0x900/0x900 [ 60.269393] ? lock_release+0xa00/0xa00 [ 60.273424] ? arch_local_save_flags+0x40/0x40 [ 60.278021] ? posix_ktime_get_ts+0x15/0x20 [ 60.282353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 60.287818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 60.293364] ? sockfd_lookup_light+0xc5/0x160 [ 60.297872] __sys_sendmsg+0x11d/0x280 [ 60.301767] ? __ia32_sys_shutdown+0x80/0x80 [ 60.306184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 60.311728] ? put_timespec64+0x10f/0x1b0 [ 60.315888] ? do_syscall_64+0x9a/0x820 [ 60.319870] ? do_syscall_64+0x9a/0x820 [ 60.323855] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 60.329317] __x64_sys_sendmsg+0x78/0xb0 [ 60.333394] do_syscall_64+0x1b9/0x820 [ 60.337317] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 60.342701] ? syscall_return_slowpath+0x5e0/0x5e0 [ 60.347637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.352490] ? trace_hardirqs_on_caller+0x310/0x310 [ 60.357523] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 60.362552] ? prepare_exit_to_usermode+0x291/0x3b0 [ 60.367583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.372459] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.377655] RIP: 0033:0x457ec9 [ 60.380855] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.399769] RSP: 002b:00007f81513c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.407501] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 60.414788] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000007 [ 60.422073] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 60.429358] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81513c66d4 [ 60.436642] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 60.445025] Kernel Offset: disabled [ 60.448669] Rebooting in 86400 seconds..