[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.049841] audit: type=1400 audit(1517305685.998:6): avc: denied { map } for pid=4158 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. syzkaller login: [ 39.641074] audit: type=1400 audit(1517305707.589:7): avc: denied { map } for pid=4176 comm="syzkaller241108" path="/root/syzkaller241108768" 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 [ 39.668288] audit: type=1400 audit(1517305707.595:8): avc: denied { sys_admin } for pid=4184 comm="syzkaller241108" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 39.827069] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz5.router_solicitations = 0 [ 39.908375] audit: type=1400 audit(1517305707.856:9): avc: denied { net_admin } for pid=4186 comm="syzkaller241108" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 RTNETLINK answers: Operation not supported [ 40.048125] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz3.accept_dad = 0 RTNETLINK answers: No buffer space available net.ipv6.conf.syz3.router_solicitations = 0 RTNETLINK answers: Operation not supported [ 40.101207] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 40.180205] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz1.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument [ 40.332116] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: Invalid argument RTNETLINK answers: No buffer space available net.ipv6.conf.syz7.accept_dad = 0 [ 40.374901] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported net.ipv6.conf.syz7.router_solicitations = 0 RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 40.488159] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz2.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz2.router_solicitations = 0 [ 40.594806] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.622218] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: No buffer space available executing program RTNETLINK answers: Operation not supported [ 40.662451] audit: type=1400 audit(1517305708.611:10): avc: denied { sys_chroot } for pid=4186 comm="syzkaller241108" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program [ 40.775145] IPVS: ftp: loaded support on port[0] = 21 executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported net.ipv6.conf.syz4.accept_dad = 0 executing program net.ipv6.conf.syz4.router_solicitations = 0 RTNETLINK answers: Operation not supported [ 40.918577] IPVS: ftp: loaded support on port[0] = 21 RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported executing program net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz6.router_solicitations = 0 executing program RTNETLINK answers: Invalid argument [ 41.080246] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready executing program RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported [ 41.187445] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready executing program RTNETLINK answers: No buffer space available RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument executing program [ 41.478669] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument executing program executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported executing program executing program [ 41.748881] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.756936] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available executing program RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program 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 RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported executing program executing program executing program executing program executing program executing program executing program executing program RTNETLINK answers: Invalid argument 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 RTNETLINK answers: Invalid argument executing program 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 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 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 [ 47.510342] ================================================================== [ 47.517774] BUG: KASAN: use-after-free in perf_trace_lock_acquire+0x5b7/0x980 [ 47.525036] Read of size 8 at addr ffff8801b48e50b8 by task syzkaller241108/8081 [ 47.532554] [ 47.534196] CPU: 1 PID: 8081 Comm: syzkaller241108 Not tainted 4.15.0+ #286 [ 47.541281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.550625] Call Trace: [ 47.553205] dump_stack+0x194/0x257 [ 47.556823] ? arch_local_irq_restore+0x53/0x53 [ 47.561490] ? show_regs_print_info+0x18/0x18 [ 47.565984] ? perf_trace_lock_acquire+0x5b7/0x980 [ 47.570896] print_address_description+0x73/0x250 [ 47.575711] ? perf_trace_lock_acquire+0x5b7/0x980 [ 47.580611] kasan_report+0x25b/0x340 [ 47.584384] __asan_report_load8_noabort+0x14/0x20 [ 47.589286] perf_trace_lock_acquire+0x5b7/0x980 [ 47.594017] ? lock_release+0xa40/0xa40 [ 47.597969] ? usleep_range+0x190/0x190 [ 47.601915] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.607773] ? perf_trace_lock+0x900/0x900 [ 47.611982] ? _raw_spin_unlock_irq+0x27/0x70 [ 47.616451] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.621448] ? trace_hardirqs_on+0xd/0x10 [ 47.625569] ? _raw_spin_unlock_irq+0x27/0x70 [ 47.630042] ? wait_for_completion+0xe0/0x770 [ 47.634513] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 47.640283] ? __lockdep_init_map+0xe4/0x650 [ 47.644672] ? llist_add_batch+0xf3/0x180 [ 47.648790] ? find_last_bit+0xd0/0xd0 [ 47.652650] lock_acquire+0x394/0x580 [ 47.656428] ? remove_wait_queue+0x81/0x350 [ 47.660723] ? lock_release+0xa40/0xa40 [ 47.664673] ? vhost_work_queue+0xc0/0xc0 [ 47.668791] ? vhost_poll_stop+0x90/0x90 [ 47.672829] ? wait_for_completion+0x770/0x770 [ 47.677382] _raw_spin_lock_irqsave+0x96/0xc0 [ 47.681848] ? remove_wait_queue+0x81/0x350 [ 47.686142] remove_wait_queue+0x81/0x350 [ 47.690263] ? add_wait_queue+0x290/0x290 [ 47.694382] ? vhost_poll_flush+0x3f/0x60 [ 47.698500] ? vhost_net_flush+0x209/0x2a0 [ 47.702707] vhost_dev_stop+0x15c/0x2a0 [ 47.706665] ? vhost_net_compat_ioctl+0x30/0x30 [ 47.711314] vhost_net_release+0x6e/0x190 [ 47.715444] __fput+0x327/0x7e0 [ 47.718713] ? fput+0x140/0x140 [ 47.721977] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 47.727848] ? _raw_spin_unlock_irq+0x27/0x70 [ 47.732335] ____fput+0x15/0x20 [ 47.735585] task_work_run+0x199/0x270 [ 47.739446] ? task_work_cancel+0x210/0x210 [ 47.743752] ? _raw_spin_unlock+0x22/0x30 [ 47.747873] ? switch_task_namespaces+0x87/0xc0 [ 47.752527] do_exit+0x9bb/0x1ad0 [ 47.755954] ? mm_update_next_owner+0x930/0x930 [ 47.760596] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 47.765760] ? find_held_lock+0x35/0x1d0 [ 47.769794] ? futex_wait+0x402/0x9a0 [ 47.773568] ? lock_downgrade+0x980/0x980 [ 47.777687] ? perf_trace_lock_acquire+0xe3/0x980 [ 47.782500] ? lock_release+0xa40/0xa40 [ 47.786447] ? fault_in_user_writeable+0x90/0x90 [ 47.791205] ? perf_trace_lock+0x900/0x900 [ 47.795410] ? check_noncircular+0x20/0x20 [ 47.799619] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 47.804693] ? futex_wait+0x6a9/0x9a0 [ 47.808467] ? find_held_lock+0x35/0x1d0 [ 47.812500] ? get_signal+0x7ae/0x16c0 [ 47.816357] ? lock_downgrade+0x980/0x980 [ 47.820480] do_group_exit+0x149/0x400 [ 47.824360] ? do_raw_spin_trylock+0x190/0x190 [ 47.828914] ? SyS_exit+0x30/0x30 [ 47.832344] ? _raw_spin_unlock_irq+0x27/0x70 [ 47.836813] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.841802] get_signal+0x73f/0x16c0 [ 47.845489] ? ptrace_notify+0x130/0x130 [ 47.849521] ? exit_robust_list+0x240/0x240 [ 47.853816] ? avc_has_extended_perms+0x7fa/0x12c0 [ 47.858717] ? find_held_lock+0x35/0x1d0 [ 47.862750] ? vhost_net_stop_vq+0xf0/0xf0 [ 47.866959] ? avc_ss_reset+0x110/0x110 [ 47.870904] ? lock_downgrade+0x980/0x980 [ 47.875031] do_signal+0x90/0x1eb0 [ 47.878549] ? __lock_is_held+0xb6/0x140 [ 47.882585] ? setup_sigcontext+0x7d0/0x7d0 [ 47.886881] ? up_read+0x1a/0x40 [ 47.890224] ? rcu_note_context_switch+0x710/0x710 [ 47.895139] ? exit_to_usermode_loop+0x8c/0x310 [ 47.899780] exit_to_usermode_loop+0x214/0x310 [ 47.904335] ? ioctl_preallocate+0x2b0/0x2b0 [ 47.908726] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 47.914233] ? selinux_capable+0x40/0x40 [ 47.918269] syscall_return_slowpath+0x490/0x550 [ 47.923009] ? prepare_exit_to_usermode+0x340/0x340 [ 47.928009] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 47.932933] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.937921] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.942659] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 47.947390] RIP: 0033:0x44bff9 [ 47.950559] RSP: 002b:00007ff890dd4da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 47.958238] RAX: fffffffffffffe00 RBX: 0000000000700054 RCX: 000000000044bff9 [ 47.965478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000700054 [ 47.972722] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 47.979963] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000700050 [ 47.987206] R13: 6f68762f7665642f R14: 00007ff890dd59c0 R15: 0000000000000007 [ 47.994454] [ 47.996057] Allocated by task 8054: [ 47.999663] save_stack+0x43/0xd0 [ 48.003091] kasan_kmalloc+0xad/0xe0 [ 48.006775] kmem_cache_alloc_trace+0x136/0x750 [ 48.011417] eventfd_file_create.part.3+0x96/0x250 [ 48.016325] SyS_eventfd+0x2c/0x80 [ 48.019837] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 48.024560] [ 48.026158] Freed by task 8081: [ 48.029410] save_stack+0x43/0xd0 [ 48.032839] kasan_slab_free+0x71/0xc0 [ 48.036703] kfree+0xd6/0x260 [ 48.039780] eventfd_ctx_put+0x26/0x30 [ 48.043637] eventfd_release+0x52/0x60 [ 48.047499] __fput+0x327/0x7e0 [ 48.050748] ____fput+0x15/0x20 [ 48.053998] task_work_run+0x199/0x270 [ 48.057861] do_exit+0x9bb/0x1ad0 [ 48.061285] do_group_exit+0x149/0x400 [ 48.065142] get_signal+0x73f/0x16c0 [ 48.068830] do_signal+0x90/0x1eb0 [ 48.072349] exit_to_usermode_loop+0x214/0x310 [ 48.076900] syscall_return_slowpath+0x490/0x550 [ 48.081655] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 48.086377] [ 48.087977] The buggy address belongs to the object at ffff8801b48e5080 [ 48.087977] which belongs to the cache kmalloc-96 of size 96 [ 48.100431] The buggy address is located 56 bytes inside of [ 48.100431] 96-byte region [ffff8801b48e5080, ffff8801b48e50e0) [ 48.112113] The buggy address belongs to the page: [ 48.117018] page:ffffea0006d23940 count:1 mapcount:0 mapping:ffff8801b48e5000 index:0x0 [ 48.125141] flags: 0x2fffc0000000100(slab) [ 48.129349] raw: 02fffc0000000100 ffff8801b48e5000 0000000000000000 0000000100000020 [ 48.137200] raw: ffffea0006a220e0 ffffea0006cc4320 ffff8801db0004c0 0000000000000000 [ 48.145055] page dumped because: kasan: bad access detected [ 48.150736] [ 48.152334] Memory state around the buggy address: [ 48.157235] ffff8801b48e4f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 48.164564] ffff8801b48e5000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 48.171897] >ffff8801b48e5080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 48.179225] ^ [ 48.184383] ffff8801b48e5100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 48.191714] ffff8801b48e5180: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 48.199044] ================================================================== [ 48.206377] Disabling lock debugging due to kernel taint [ 48.211795] Kernel panic - not syncing: panic_on_warn set ... [ 48.211795] [ 48.219139] CPU: 1 PID: 8081 Comm: syzkaller241108 Tainted: G B 4.15.0+ #286 [ 48.227513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.236838] Call Trace: [ 48.239408] dump_stack+0x194/0x257 [ 48.243016] ? arch_local_irq_restore+0x53/0x53 [ 48.247665] ? kasan_end_report+0x32/0x50 [ 48.251799] ? lock_downgrade+0x980/0x980 [ 48.255933] ? vsnprintf+0x1ed/0x1900 [ 48.259718] ? perf_trace_lock_acquire+0x5a0/0x980 [ 48.264619] panic+0x1e4/0x41c [ 48.267786] ? refcount_error_report+0x214/0x214 [ 48.272527] ? add_taint+0x40/0x50 [ 48.276041] ? add_taint+0x1c/0x50 [ 48.279557] ? perf_trace_lock_acquire+0x5b7/0x980 [ 48.284459] kasan_end_report+0x50/0x50 [ 48.288413] kasan_report+0x144/0x340 [ 48.292186] __asan_report_load8_noabort+0x14/0x20 [ 48.297091] perf_trace_lock_acquire+0x5b7/0x980 [ 48.301819] ? lock_release+0xa40/0xa40 [ 48.305765] ? usleep_range+0x190/0x190 [ 48.309709] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.315564] ? perf_trace_lock+0x900/0x900 [ 48.319770] ? _raw_spin_unlock_irq+0x27/0x70 [ 48.324235] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.329223] ? trace_hardirqs_on+0xd/0x10 [ 48.333340] ? _raw_spin_unlock_irq+0x27/0x70 [ 48.337805] ? wait_for_completion+0xe0/0x770 [ 48.342271] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 48.348044] ? __lockdep_init_map+0xe4/0x650 [ 48.352426] ? llist_add_batch+0xf3/0x180 [ 48.356544] ? find_last_bit+0xd0/0xd0 [ 48.360401] lock_acquire+0x394/0x580 [ 48.364176] ? remove_wait_queue+0x81/0x350 [ 48.368470] ? lock_release+0xa40/0xa40 [ 48.372416] ? vhost_work_queue+0xc0/0xc0 [ 48.376534] ? vhost_poll_stop+0x90/0x90 [ 48.380570] ? wait_for_completion+0x770/0x770 [ 48.385132] _raw_spin_lock_irqsave+0x96/0xc0 [ 48.389598] ? remove_wait_queue+0x81/0x350 [ 48.393890] remove_wait_queue+0x81/0x350 [ 48.398010] ? add_wait_queue+0x290/0x290 [ 48.402142] ? vhost_poll_flush+0x3f/0x60 [ 48.406263] ? vhost_net_flush+0x209/0x2a0 [ 48.410469] vhost_dev_stop+0x15c/0x2a0 [ 48.414415] ? vhost_net_compat_ioctl+0x30/0x30 [ 48.419058] vhost_net_release+0x6e/0x190 [ 48.423179] __fput+0x327/0x7e0 [ 48.426430] ? fput+0x140/0x140 [ 48.429684] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 48.435544] ? _raw_spin_unlock_irq+0x27/0x70 [ 48.440017] ____fput+0x15/0x20 [ 48.443276] task_work_run+0x199/0x270 [ 48.447137] ? task_work_cancel+0x210/0x210 [ 48.451431] ? _raw_spin_unlock+0x22/0x30 [ 48.455551] ? switch_task_namespaces+0x87/0xc0 [ 48.460190] do_exit+0x9bb/0x1ad0 [ 48.463628] ? mm_update_next_owner+0x930/0x930 [ 48.468275] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.473438] ? find_held_lock+0x35/0x1d0 [ 48.477470] ? futex_wait+0x402/0x9a0 [ 48.481244] ? lock_downgrade+0x980/0x980 [ 48.485364] ? perf_trace_lock_acquire+0xe3/0x980 [ 48.490176] ? lock_release+0xa40/0xa40 [ 48.494122] ? fault_in_user_writeable+0x90/0x90 [ 48.498863] ? perf_trace_lock+0x900/0x900 [ 48.503068] ? check_noncircular+0x20/0x20 [ 48.507275] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 48.512348] ? futex_wait+0x6a9/0x9a0 [ 48.516121] ? find_held_lock+0x35/0x1d0 [ 48.520156] ? get_signal+0x7ae/0x16c0 [ 48.524017] ? lock_downgrade+0x980/0x980 [ 48.528151] do_group_exit+0x149/0x400 [ 48.532018] ? do_raw_spin_trylock+0x190/0x190 [ 48.536578] ? SyS_exit+0x30/0x30 [ 48.540004] ? _raw_spin_unlock_irq+0x27/0x70 [ 48.544477] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.549476] get_signal+0x73f/0x16c0 [ 48.553163] ? ptrace_notify+0x130/0x130 [ 48.557205] ? exit_robust_list+0x240/0x240 [ 48.561520] ? avc_has_extended_perms+0x7fa/0x12c0 [ 48.566422] ? find_held_lock+0x35/0x1d0 [ 48.570456] ? vhost_net_stop_vq+0xf0/0xf0 [ 48.574662] ? avc_ss_reset+0x110/0x110 [ 48.578616] ? lock_downgrade+0x980/0x980 [ 48.582743] do_signal+0x90/0x1eb0 [ 48.586256] ? __lock_is_held+0xb6/0x140 [ 48.590308] ? setup_sigcontext+0x7d0/0x7d0 [ 48.594606] ? up_read+0x1a/0x40 [ 48.597943] ? rcu_note_context_switch+0x710/0x710 [ 48.602849] ? exit_to_usermode_loop+0x8c/0x310 [ 48.607489] exit_to_usermode_loop+0x214/0x310 [ 48.612045] ? ioctl_preallocate+0x2b0/0x2b0 [ 48.616430] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 48.621942] ? selinux_capable+0x40/0x40 [ 48.625975] syscall_return_slowpath+0x490/0x550 [ 48.630705] ? prepare_exit_to_usermode+0x340/0x340 [ 48.635696] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 48.640596] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 48.645582] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.650311] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 48.655041] RIP: 0033:0x44bff9 [ 48.658206] RSP: 002b:00007ff890dd4da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 48.665884] RAX: fffffffffffffe00 RBX: 0000000000700054 RCX: 000000000044bff9 [ 48.673128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000700054 [ 48.680371] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 48.687624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000700050 [ 48.694874] R13: 6f68762f7665642f R14: 00007ff890dd59c0 R15: 0000000000000007 [ 48.702584] Dumping ftrace buffer: [ 48.706103] (ftrace buffer empty) [ 48.709781] Kernel Offset: disabled [ 48.713375] Rebooting in 86400 seconds..