[....] Starting enhanced syslogd: rsyslogd[ 12.185378] audit: type=1400 audit(1516487514.249:5): avc: denied { syslog } for pid=3516 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.376220] audit: type=1400 audit(1516487521.440:6): avc: denied { map } for pid=3656 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.229' (ECDSA) to the list of known hosts. net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 [ 27.770337] audit: type=1400 audit(1516487529.834:7): avc: denied { map } for pid=3671 comm="syzkaller678336" path="/root/syzkaller678336093" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz4.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 28.826311] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 28.858252] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 29.047984] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available [ 29.101746] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 29.187776] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 29.195474] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 29.334117] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 29.417974] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported 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 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.947299] ================================================================== [ 32.954720] BUG: KASAN: use-after-free in __lock_acquire+0x3d4d/0x3e00 [ 32.961371] Read of size 8 at addr ffff8801c6a625a0 by task syzkaller678336/6040 [ 32.968883] [ 32.970499] CPU: 1 PID: 6040 Comm: syzkaller678336 Not tainted 4.15.0-rc8-next-20180119+ #102 [ 32.979146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.988476] Call Trace: [ 32.991049] dump_stack+0x194/0x257 [ 32.994656] ? arch_local_irq_restore+0x53/0x53 [ 32.999295] ? show_regs_print_info+0x18/0x18 [ 33.003763] ? __lock_acquire+0x3d4d/0x3e00 [ 33.008060] print_address_description+0x73/0x250 [ 33.012888] ? __lock_acquire+0x3d4d/0x3e00 [ 33.017185] kasan_report+0x23b/0x360 [ 33.020963] __asan_report_load8_noabort+0x14/0x20 [ 33.025874] __lock_acquire+0x3d4d/0x3e00 [ 33.030002] ? remove_wait_queue+0x81/0x350 [ 33.034308] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.039472] ? lock_downgrade+0x980/0x980 [ 33.043599] ? __schedule+0x2060/0x2060 [ 33.047554] ? find_held_lock+0x35/0x1d0 [ 33.051588] ? wait_for_completion+0xe0/0x770 [ 33.056065] ? lock_downgrade+0x980/0x980 [ 33.060194] ? lock_release+0xa40/0xa40 [ 33.064148] ? usleep_range+0x190/0x190 [ 33.068099] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.073975] ? do_raw_spin_trylock+0x190/0x190 [ 33.078530] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.082998] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.088793] ? trace_hardirqs_on+0xd/0x10 [ 33.092930] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.097403] ? wait_for_completion+0xe0/0x770 [ 33.101874] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 33.107666] ? __lockdep_init_map+0xe4/0x650 [ 33.112053] ? llist_add_batch+0xf3/0x180 [ 33.116184] lock_acquire+0x1d5/0x580 [ 33.119959] ? lock_acquire+0x1d5/0x580 [ 33.123913] ? remove_wait_queue+0x81/0x350 [ 33.128218] ? wake_up_process+0x10/0x20 [ 33.132267] ? lock_release+0xa40/0xa40 [ 33.136213] ? vhost_work_queue+0xc0/0xc0 [ 33.140334] ? vhost_poll_stop+0x90/0x90 [ 33.144380] ? wait_for_completion+0x770/0x770 [ 33.148936] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.153407] ? remove_wait_queue+0x81/0x350 [ 33.157704] remove_wait_queue+0x81/0x350 [ 33.161825] ? add_wait_queue+0x290/0x290 [ 33.165948] ? vhost_poll_flush+0x3f/0x60 [ 33.170071] ? vhost_net_flush+0x209/0x2a0 [ 33.174281] vhost_dev_stop+0x15c/0x2a0 [ 33.178230] ? vhost_net_compat_ioctl+0x30/0x30 [ 33.182881] vhost_net_release+0x6e/0x190 [ 33.187032] __fput+0x327/0x7e0 [ 33.190293] ? fput+0x140/0x140 [ 33.193550] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.199424] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.203904] ____fput+0x15/0x20 [ 33.207163] task_work_run+0x199/0x270 [ 33.211036] ? task_work_cancel+0x210/0x210 [ 33.215333] ? _raw_spin_unlock+0x22/0x30 [ 33.219456] ? switch_task_namespaces+0x87/0xc0 [ 33.224107] do_exit+0x9bb/0x1ad0 [ 33.227533] ? mm_update_next_owner+0x930/0x930 [ 33.232176] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.237339] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.242504] ? do_raw_spin_trylock+0x190/0x190 [ 33.247060] ? do_raw_spin_trylock+0x190/0x190 [ 33.251639] ? check_noncircular+0x20/0x20 [ 33.255851] ? __lock_is_held+0xb6/0x140 [ 33.259887] ? check_noncircular+0x20/0x20 [ 33.264099] ? __lock_is_held+0xb6/0x140 [ 33.268139] ? find_held_lock+0x35/0x1d0 [ 33.272175] ? check_noncircular+0x20/0x20 [ 33.276384] ? kprobe_flush_task+0x1a3/0x5d0 [ 33.280764] ? lock_downgrade+0x980/0x980 [ 33.284886] ? memset+0x31/0x40 [ 33.288146] ? find_held_lock+0x35/0x1d0 [ 33.292185] ? get_signal+0x7a9/0x16d0 [ 33.296063] ? lock_downgrade+0x980/0x980 [ 33.300195] do_group_exit+0x149/0x400 [ 33.304060] ? do_raw_spin_trylock+0x190/0x190 [ 33.308618] ? SyS_exit+0x30/0x30 [ 33.312055] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.316540] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.321536] get_signal+0x73a/0x16d0 [ 33.325226] ? ptrace_notify+0x130/0x130 [ 33.329266] ? __schedule+0x8f3/0x2060 [ 33.333130] ? exit_robust_list+0x240/0x240 [ 33.337432] ? __sched_text_start+0x8/0x8 [ 33.341553] ? vhost_net_stop_vq+0xf0/0xf0 [ 33.345773] ? avc_ss_reset+0x110/0x110 [ 33.349726] ? lock_downgrade+0x980/0x980 [ 33.353850] do_signal+0x90/0x1eb0 [ 33.357365] ? __lock_is_held+0xb6/0x140 [ 33.361421] ? setup_sigcontext+0x7d0/0x7d0 [ 33.365722] ? schedule+0xf5/0x430 [ 33.369248] ? __schedule+0x2060/0x2060 [ 33.373213] ? exit_to_usermode_loop+0x8c/0x2f0 [ 33.377861] exit_to_usermode_loop+0x258/0x2f0 [ 33.382425] ? ioctl_preallocate+0x2b0/0x2b0 [ 33.386823] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 33.392343] ? selinux_capable+0x40/0x40 [ 33.396380] syscall_return_slowpath+0x490/0x550 [ 33.401127] ? prepare_exit_to_usermode+0x340/0x340 [ 33.406131] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 33.411050] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.416046] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.420780] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 33.425510] RIP: 0033:0x44b6d9 [ 33.428672] RSP: 002b:00007fb13faa2cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 33.436353] RAX: 0000000000000001 RBX: 00000000006dec6c RCX: 000000000044b6d9 [ 33.443596] RDX: 000000000044b6d9 RSI: 0000000000000001 RDI: 00000000006dec6c [ 33.450841] RBP: 00000000006dec68 R08: 0000000000000000 R09: 0000000000000000 [ 33.458104] R10: 00007fb13faa3700 R11: 0000000000000246 R12: 0000000000000000 [ 33.465350] R13: 00007ffcbf268fdf R14: 00007fb13faa39c0 R15: 0000000000000007 [ 33.472605] [ 33.474208] Allocated by task 6014: [ 33.477816] save_stack+0x43/0xd0 [ 33.481244] kasan_kmalloc+0xad/0xe0 [ 33.484929] kmem_cache_alloc_trace+0x136/0x750 [ 33.489583] eventfd_file_create.part.3+0x96/0x250 [ 33.494489] SyS_eventfd+0x2c/0x80 [ 33.498010] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 33.502738] [ 33.504337] Freed by task 6040: [ 33.507592] save_stack+0x43/0xd0 [ 33.511027] __kasan_slab_free+0x11a/0x170 [ 33.515239] kasan_slab_free+0xe/0x10 [ 33.519012] kfree+0xd9/0x260 [ 33.522104] eventfd_ctx_put+0x26/0x30 [ 33.525969] eventfd_release+0x52/0x60 [ 33.529833] __fput+0x327/0x7e0 [ 33.533109] ____fput+0x15/0x20 [ 33.536376] task_work_run+0x199/0x270 [ 33.540242] do_exit+0x9bb/0x1ad0 [ 33.543669] do_group_exit+0x149/0x400 [ 33.547528] get_signal+0x73a/0x16d0 [ 33.551211] do_signal+0x90/0x1eb0 [ 33.554723] exit_to_usermode_loop+0x258/0x2f0 [ 33.559294] syscall_return_slowpath+0x490/0x550 [ 33.564028] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 33.568754] [ 33.570355] The buggy address belongs to the object at ffff8801c6a62580 [ 33.570355] which belongs to the cache kmalloc-96 of size 96 [ 33.582808] The buggy address is located 32 bytes inside of [ 33.582808] 96-byte region [ffff8801c6a62580, ffff8801c6a625e0) [ 33.594487] The buggy address belongs to the page: [ 33.599389] page:ffffea00071a9880 count:1 mapcount:0 mapping:ffff8801c6a62000 index:0x0 [ 33.607508] flags: 0x2fffc0000000100(slab) [ 33.611729] raw: 02fffc0000000100 ffff8801c6a62000 0000000000000000 0000000100000020 [ 33.619586] raw: ffffea000718fea0 ffffea000740f1e0 ffff8801dac004c0 0000000000000000 [ 33.627442] page dumped because: kasan: bad access detected [ 33.633121] [ 33.634723] Memory state around the buggy address: [ 33.639635] ffff8801c6a62480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 33.646970] ffff8801c6a62500: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 33.654309] >ffff8801c6a62580: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 33.661640] ^ [ 33.666021] ffff8801c6a62600: 00 00 00 00 00 00 00 00 00 01 fc fc fc fc fc fc [ 33.673365] ffff8801c6a62680: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 33.680701] ================================================================== [ 33.688035] Disabling lock debugging due to kernel taint [ 33.693459] Kernel panic - not syncing: panic_on_warn set ... [ 33.693459] [ 33.700791] CPU: 1 PID: 6040 Comm: syzkaller678336 Tainted: G B 4.15.0-rc8-next-20180119+ #102 [ 33.710735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.720076] Call Trace: [ 33.722642] dump_stack+0x194/0x257 [ 33.726257] ? arch_local_irq_restore+0x53/0x53 [ 33.730898] ? kasan_end_report+0x32/0x50 [ 33.735025] ? lock_downgrade+0x980/0x980 [ 33.739146] ? vsnprintf+0x1ed/0x1900 [ 33.742918] ? __lock_acquire+0x3c60/0x3e00 [ 33.747210] panic+0x1e4/0x41c [ 33.750376] ? refcount_error_report+0x214/0x214 [ 33.755107] ? add_taint+0x40/0x50 [ 33.758617] ? add_taint+0x1c/0x50 [ 33.762133] ? __lock_acquire+0x3d4d/0x3e00 [ 33.766424] kasan_end_report+0x50/0x50 [ 33.770372] kasan_report+0x148/0x360 [ 33.774147] __asan_report_load8_noabort+0x14/0x20 [ 33.779055] __lock_acquire+0x3d4d/0x3e00 [ 33.783179] ? remove_wait_queue+0x81/0x350 [ 33.787474] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.792645] ? lock_downgrade+0x980/0x980 [ 33.796769] ? __schedule+0x2060/0x2060 [ 33.800731] ? find_held_lock+0x35/0x1d0 [ 33.804771] ? wait_for_completion+0xe0/0x770 [ 33.809239] ? lock_downgrade+0x980/0x980 [ 33.813362] ? lock_release+0xa40/0xa40 [ 33.817308] ? usleep_range+0x190/0x190 [ 33.821253] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.827118] ? do_raw_spin_trylock+0x190/0x190 [ 33.831675] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.836144] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.841133] ? trace_hardirqs_on+0xd/0x10 [ 33.845265] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.849735] ? wait_for_completion+0xe0/0x770 [ 33.854202] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 33.859978] ? __lockdep_init_map+0xe4/0x650 [ 33.864364] ? llist_add_batch+0xf3/0x180 [ 33.868491] lock_acquire+0x1d5/0x580 [ 33.872268] ? lock_acquire+0x1d5/0x580 [ 33.876223] ? remove_wait_queue+0x81/0x350 [ 33.880518] ? wake_up_process+0x10/0x20 [ 33.884553] ? lock_release+0xa40/0xa40 [ 33.888504] ? vhost_work_queue+0xc0/0xc0 [ 33.892630] ? vhost_poll_stop+0x90/0x90 [ 33.896673] ? wait_for_completion+0x770/0x770 [ 33.901238] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.905724] ? remove_wait_queue+0x81/0x350 [ 33.910041] remove_wait_queue+0x81/0x350 [ 33.914171] ? add_wait_queue+0x290/0x290 [ 33.918298] ? vhost_poll_flush+0x3f/0x60 [ 33.922417] ? vhost_net_flush+0x209/0x2a0 [ 33.926623] vhost_dev_stop+0x15c/0x2a0 [ 33.930572] ? vhost_net_compat_ioctl+0x30/0x30 [ 33.935211] vhost_net_release+0x6e/0x190 [ 33.939344] __fput+0x327/0x7e0 [ 33.942595] ? fput+0x140/0x140 [ 33.945846] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 33.951706] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.956178] ____fput+0x15/0x20 [ 33.959441] task_work_run+0x199/0x270 [ 33.963302] ? task_work_cancel+0x210/0x210 [ 33.967596] ? _raw_spin_unlock+0x22/0x30 [ 33.971718] ? switch_task_namespaces+0x87/0xc0 [ 33.976360] do_exit+0x9bb/0x1ad0 [ 33.979789] ? mm_update_next_owner+0x930/0x930 [ 33.984431] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.989598] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 33.994763] ? do_raw_spin_trylock+0x190/0x190 [ 33.999323] ? do_raw_spin_trylock+0x190/0x190 [ 34.003893] ? check_noncircular+0x20/0x20 [ 34.008110] ? __lock_is_held+0xb6/0x140 [ 34.012150] ? check_noncircular+0x20/0x20 [ 34.016359] ? __lock_is_held+0xb6/0x140 [ 34.020395] ? find_held_lock+0x35/0x1d0 [ 34.024427] ? check_noncircular+0x20/0x20 [ 34.028637] ? kprobe_flush_task+0x1a3/0x5d0 [ 34.033023] ? lock_downgrade+0x980/0x980 [ 34.037175] ? memset+0x31/0x40 [ 34.040442] ? find_held_lock+0x35/0x1d0 [ 34.044493] ? get_signal+0x7a9/0x16d0 [ 34.048445] ? lock_downgrade+0x980/0x980 [ 34.052565] do_group_exit+0x149/0x400 [ 34.056861] ? do_raw_spin_trylock+0x190/0x190 [ 34.061415] ? SyS_exit+0x30/0x30 [ 34.064846] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.069322] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.074321] get_signal+0x73a/0x16d0 [ 34.078010] ? ptrace_notify+0x130/0x130 [ 34.082061] ? __schedule+0x8f3/0x2060 [ 34.085921] ? exit_robust_list+0x240/0x240 [ 34.090216] ? __sched_text_start+0x8/0x8 [ 34.094335] ? vhost_net_stop_vq+0xf0/0xf0 [ 34.098544] ? avc_ss_reset+0x110/0x110 [ 34.102489] ? lock_downgrade+0x980/0x980 [ 34.106610] do_signal+0x90/0x1eb0 [ 34.110126] ? __lock_is_held+0xb6/0x140 [ 34.114160] ? setup_sigcontext+0x7d0/0x7d0 [ 34.118470] ? schedule+0xf5/0x430 [ 34.121985] ? __schedule+0x2060/0x2060 [ 34.125955] ? exit_to_usermode_loop+0x8c/0x2f0 [ 34.130612] exit_to_usermode_loop+0x258/0x2f0 [ 34.135178] ? ioctl_preallocate+0x2b0/0x2b0 [ 34.139563] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 34.145075] ? selinux_capable+0x40/0x40 [ 34.149122] syscall_return_slowpath+0x490/0x550 [ 34.153850] ? prepare_exit_to_usermode+0x340/0x340 [ 34.158849] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 34.163750] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.168752] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.173486] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 34.178220] RIP: 0033:0x44b6d9 [ 34.181383] RSP: 002b:00007fb13faa2cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 34.189071] RAX: 0000000000000001 RBX: 00000000006dec6c RCX: 000000000044b6d9 [ 34.196315] RDX: 000000000044b6d9 RSI: 0000000000000001 RDI: 00000000006dec6c [ 34.203557] RBP: 00000000006dec68 R08: 0000000000000000 R09: 0000000000000000 [ 34.210798] R10: 00007fb13faa3700 R11: 0000000000000246 R12: 0000000000000000 [ 34.218046] R13: 00007ffcbf268fdf R14: 00007fb13faa39c0 R15: 0000000000000007 [ 34.225744] Dumping ftrace buffer: [ 34.229256] (ftrace buffer empty) [ 34.232936] Kernel Offset: disabled [ 34.236531] Rebooting in 86400 seconds..