[....] Starting enhanced syslogd: rsyslogd[ 18.074137] audit: type=1400 audit(1517336061.632:5): avc: denied { syslog } for pid=3967 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?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: [ 22.461971] audit: type=1400 audit(1517336066.020:6): avc: denied { map } for pid=4107 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 '10.128.0.12' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 28.843494] audit: type=1400 audit(1517336072.402:7): avc: denied { map } for pid=4121 comm="syzkaller813854" path="/root/syzkaller813854459" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 70.396504] ================================================================== [ 70.403927] BUG: KASAN: use-after-free in perf_trace_lock_acquire+0x5b7/0x980 [ 70.411193] Read of size 8 at addr ffff8801cbe1c938 by task syzkaller813854/29705 [ 70.418806] [ 70.420433] CPU: 0 PID: 29705 Comm: syzkaller813854 Not tainted 4.15.0+ #286 [ 70.427695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.437032] Call Trace: [ 70.439618] dump_stack+0x194/0x257 [ 70.443237] ? arch_local_irq_restore+0x53/0x53 [ 70.447894] ? show_regs_print_info+0x18/0x18 [ 70.452368] ? perf_trace_lock_acquire+0x5b7/0x980 [ 70.457273] print_address_description+0x73/0x250 [ 70.462089] ? perf_trace_lock_acquire+0x5b7/0x980 [ 70.466997] kasan_report+0x25b/0x340 [ 70.470793] __asan_report_load8_noabort+0x14/0x20 [ 70.475704] perf_trace_lock_acquire+0x5b7/0x980 [ 70.480442] ? lock_release+0xa40/0xa40 [ 70.484390] ? usleep_range+0x190/0x190 [ 70.488338] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 70.494210] ? perf_trace_lock+0x900/0x900 [ 70.498427] ? _raw_spin_unlock_irq+0x27/0x70 [ 70.502942] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 70.507935] ? trace_hardirqs_on+0xd/0x10 [ 70.512055] ? _raw_spin_unlock_irq+0x27/0x70 [ 70.516522] ? wait_for_completion+0xe0/0x770 [ 70.521000] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 70.526775] ? __lockdep_init_map+0xe4/0x650 [ 70.531159] ? llist_add_batch+0xf3/0x180 [ 70.535280] ? find_last_bit+0xd0/0xd0 [ 70.539146] lock_acquire+0x394/0x580 [ 70.542921] ? remove_wait_queue+0x81/0x350 [ 70.547214] ? lock_release+0xa40/0xa40 [ 70.551177] ? vhost_work_queue+0xc0/0xc0 [ 70.555301] ? vhost_poll_stop+0x90/0x90 [ 70.559345] ? wait_for_completion+0x770/0x770 [ 70.563907] _raw_spin_lock_irqsave+0x96/0xc0 [ 70.568377] ? remove_wait_queue+0x81/0x350 [ 70.572671] remove_wait_queue+0x81/0x350 [ 70.576793] ? add_wait_queue+0x290/0x290 [ 70.580940] ? vhost_poll_flush+0x3f/0x60 [ 70.585107] ? vhost_net_flush+0x209/0x2a0 [ 70.589348] vhost_dev_stop+0x15c/0x2a0 [ 70.593316] ? vhost_net_compat_ioctl+0x30/0x30 [ 70.597971] vhost_net_release+0x6e/0x190 [ 70.602090] __fput+0x327/0x7e0 [ 70.605339] ? fput+0x140/0x140 [ 70.608605] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 70.614464] ? _raw_spin_unlock_irq+0x27/0x70 [ 70.618938] ____fput+0x15/0x20 [ 70.622190] task_work_run+0x199/0x270 [ 70.626050] ? task_work_cancel+0x210/0x210 [ 70.630344] ? _raw_spin_unlock+0x22/0x30 [ 70.634463] ? switch_task_namespaces+0x87/0xc0 [ 70.639106] do_exit+0x9bb/0x1ad0 [ 70.642536] ? mm_update_next_owner+0x930/0x930 [ 70.647178] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 70.652341] ? perf_trace_lock_acquire+0xe3/0x980 [ 70.657157] ? do_raw_spin_trylock+0x190/0x190 [ 70.661712] ? do_raw_spin_trylock+0x190/0x190 [ 70.666265] ? perf_trace_lock+0x900/0x900 [ 70.670474] ? check_noncircular+0x20/0x20 [ 70.674678] ? perf_trace_lock_acquire+0xe3/0x980 [ 70.679493] ? perf_trace_lock_acquire+0xe3/0x980 [ 70.684322] ? perf_trace_lock+0x900/0x900 [ 70.688531] ? check_noncircular+0x20/0x20 [ 70.692739] ? perf_trace_lock+0x900/0x900 [ 70.696945] ? check_noncircular+0x20/0x20 [ 70.701157] ? kprobe_flush_task+0x1a3/0x5d0 [ 70.705545] ? lock_downgrade+0x980/0x980 [ 70.709669] ? lock_release+0xa40/0xa40 [ 70.713616] ? find_held_lock+0x35/0x1d0 [ 70.717656] ? get_signal+0x7ae/0x16c0 [ 70.721516] ? lock_downgrade+0x980/0x980 [ 70.725640] do_group_exit+0x149/0x400 [ 70.729502] ? do_raw_spin_trylock+0x190/0x190 [ 70.734055] ? SyS_exit+0x30/0x30 [ 70.737484] ? _raw_spin_unlock_irq+0x27/0x70 [ 70.741973] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 70.746966] get_signal+0x73f/0x16c0 [ 70.750653] ? ptrace_notify+0x130/0x130 [ 70.754700] ? __schedule+0x8f3/0x2060 [ 70.758558] ? exit_robust_list+0x240/0x240 [ 70.762866] ? __sched_text_start+0x8/0x8 [ 70.766985] ? vhost_net_stop_vq+0xf0/0xf0 [ 70.771194] ? avc_ss_reset+0x110/0x110 [ 70.775143] ? lock_downgrade+0x980/0x980 [ 70.779263] do_signal+0x90/0x1eb0 [ 70.782779] ? __lock_is_held+0xb6/0x140 [ 70.786810] ? setup_sigcontext+0x7d0/0x7d0 [ 70.791106] ? schedule+0xf5/0x430 [ 70.794622] ? __schedule+0x2060/0x2060 [ 70.798568] ? rcu_note_context_switch+0x710/0x710 [ 70.803472] ? exit_to_usermode_loop+0x8c/0x310 [ 70.808117] exit_to_usermode_loop+0x214/0x310 [ 70.812670] ? ioctl_preallocate+0x2b0/0x2b0 [ 70.817057] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 70.822565] ? selinux_capable+0x40/0x40 [ 70.826600] syscall_return_slowpath+0x490/0x550 [ 70.831333] ? prepare_exit_to_usermode+0x340/0x340 [ 70.836329] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 70.841234] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 70.846225] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 70.850970] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 70.855702] RIP: 0033:0x446279 [ 70.858864] RSP: 002b:00007fc33c053da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 70.866540] RAX: 0000000000000001 RBX: 00000000006dec2c RCX: 0000000000446279 [ 70.873788] RDX: 0000000000446279 RSI: 0000000000000001 RDI: 00000000006dec2c [ 70.881035] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.888278] R10: 00007fc33c054700 R11: 0000000000000246 R12: 00000000006dec28 [ 70.895518] R13: 6f68762f7665642f R14: 00007fc33c0549c0 R15: 0000000000000007 [ 70.902764] [ 70.904363] Allocated by task 29675: [ 70.908057] save_stack+0x43/0xd0 [ 70.911481] kasan_kmalloc+0xad/0xe0 [ 70.915172] kmem_cache_alloc_trace+0x136/0x750 [ 70.919815] eventfd_file_create.part.3+0x96/0x250 [ 70.924714] SyS_eventfd+0x2c/0x80 [ 70.928230] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 70.932966] [ 70.934566] Freed by task 29705: [ 70.937906] save_stack+0x43/0xd0 [ 70.941329] kasan_slab_free+0x71/0xc0 [ 70.945185] kfree+0xd6/0x260 [ 70.948270] eventfd_ctx_put+0x26/0x30 [ 70.952127] eventfd_release+0x52/0x60 [ 70.955992] __fput+0x327/0x7e0 [ 70.959252] ____fput+0x15/0x20 [ 70.962515] task_work_run+0x199/0x270 [ 70.966382] do_exit+0x9bb/0x1ad0 [ 70.969806] do_group_exit+0x149/0x400 [ 70.973677] get_signal+0x73f/0x16c0 [ 70.977364] do_signal+0x90/0x1eb0 [ 70.980879] exit_to_usermode_loop+0x214/0x310 [ 70.985442] syscall_return_slowpath+0x490/0x550 [ 70.990169] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 70.994895] [ 70.996503] The buggy address belongs to the object at ffff8801cbe1c900 [ 70.996503] which belongs to the cache kmalloc-96 of size 96 [ 71.008969] The buggy address is located 56 bytes inside of [ 71.008969] 96-byte region [ffff8801cbe1c900, ffff8801cbe1c960) [ 71.020643] The buggy address belongs to the page: [ 71.025544] page:ffffea00072f8700 count:1 mapcount:0 mapping:ffff8801cbe1c000 index:0x0 [ 71.033664] flags: 0x2fffc0000000100(slab) [ 71.037870] raw: 02fffc0000000100 ffff8801cbe1c000 0000000000000000 0000000100000020 [ 71.045726] raw: ffffea00071a41e0 ffffea0007443260 ffff8801db0004c0 0000000000000000 [ 71.053578] page dumped because: kasan: bad access detected [ 71.059287] [ 71.060888] Memory state around the buggy address: [ 71.065796] ffff8801cbe1c800: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 71.073130] ffff8801cbe1c880: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 71.080479] >ffff8801cbe1c900: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 71.087816] ^ [ 71.092992] ffff8801cbe1c980: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 71.100846] ffff8801cbe1ca00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 71.108174] ================================================================== [ 71.115512] Disabling lock debugging due to kernel taint [ 71.120937] Kernel panic - not syncing: panic_on_warn set ... [ 71.120937] [ 71.128273] CPU: 0 PID: 29705 Comm: syzkaller813854 Tainted: G B 4.15.0+ #286 [ 71.136732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.146061] Call Trace: [ 71.148629] dump_stack+0x194/0x257 [ 71.152230] ? arch_local_irq_restore+0x53/0x53 [ 71.156883] ? kasan_end_report+0x32/0x50 [ 71.161018] ? lock_downgrade+0x980/0x980 [ 71.165146] ? vsnprintf+0x1ed/0x1900 [ 71.168921] ? perf_trace_lock_acquire+0x5a0/0x980 [ 71.173822] panic+0x1e4/0x41c [ 71.176995] ? refcount_error_report+0x214/0x214 [ 71.181731] ? add_taint+0x40/0x50 [ 71.185255] ? add_taint+0x1c/0x50 [ 71.188774] ? perf_trace_lock_acquire+0x5b7/0x980 [ 71.193684] kasan_end_report+0x50/0x50 [ 71.197634] kasan_report+0x144/0x340 [ 71.201412] __asan_report_load8_noabort+0x14/0x20 [ 71.206324] perf_trace_lock_acquire+0x5b7/0x980 [ 71.211061] ? lock_release+0xa40/0xa40 [ 71.215024] ? usleep_range+0x190/0x190 [ 71.218982] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 71.224849] ? perf_trace_lock+0x900/0x900 [ 71.229066] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.233556] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 71.238548] ? trace_hardirqs_on+0xd/0x10 [ 71.242677] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.247161] ? wait_for_completion+0xe0/0x770 [ 71.251630] ? wait_for_completion_interruptible+0x7e0/0x7e0 [ 71.257404] ? __lockdep_init_map+0xe4/0x650 [ 71.261787] ? llist_add_batch+0xf3/0x180 [ 71.265907] ? find_last_bit+0xd0/0xd0 [ 71.269766] lock_acquire+0x394/0x580 [ 71.273546] ? remove_wait_queue+0x81/0x350 [ 71.277839] ? lock_release+0xa40/0xa40 [ 71.281788] ? vhost_work_queue+0xc0/0xc0 [ 71.285911] ? vhost_poll_stop+0x90/0x90 [ 71.289949] ? wait_for_completion+0x770/0x770 [ 71.294509] _raw_spin_lock_irqsave+0x96/0xc0 [ 71.298986] ? remove_wait_queue+0x81/0x350 [ 71.303282] remove_wait_queue+0x81/0x350 [ 71.307407] ? add_wait_queue+0x290/0x290 [ 71.311531] ? vhost_poll_flush+0x3f/0x60 [ 71.315655] ? vhost_net_flush+0x209/0x2a0 [ 71.319872] vhost_dev_stop+0x15c/0x2a0 [ 71.323831] ? vhost_net_compat_ioctl+0x30/0x30 [ 71.328470] vhost_net_release+0x6e/0x190 [ 71.332592] __fput+0x327/0x7e0 [ 71.335841] ? fput+0x140/0x140 [ 71.339092] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 71.344955] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.349422] ____fput+0x15/0x20 [ 71.352678] task_work_run+0x199/0x270 [ 71.356535] ? task_work_cancel+0x210/0x210 [ 71.360837] ? _raw_spin_unlock+0x22/0x30 [ 71.364962] ? switch_task_namespaces+0x87/0xc0 [ 71.369626] do_exit+0x9bb/0x1ad0 [ 71.373053] ? mm_update_next_owner+0x930/0x930 [ 71.377698] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 71.382858] ? perf_trace_lock_acquire+0xe3/0x980 [ 71.387670] ? do_raw_spin_trylock+0x190/0x190 [ 71.392231] ? do_raw_spin_trylock+0x190/0x190 [ 71.396789] ? perf_trace_lock+0x900/0x900 [ 71.400997] ? check_noncircular+0x20/0x20 [ 71.405210] ? perf_trace_lock_acquire+0xe3/0x980 [ 71.410039] ? perf_trace_lock_acquire+0xe3/0x980 [ 71.414869] ? perf_trace_lock+0x900/0x900 [ 71.419084] ? check_noncircular+0x20/0x20 [ 71.423301] ? perf_trace_lock+0x900/0x900 [ 71.427516] ? check_noncircular+0x20/0x20 [ 71.431728] ? kprobe_flush_task+0x1a3/0x5d0 [ 71.436113] ? lock_downgrade+0x980/0x980 [ 71.440247] ? lock_release+0xa40/0xa40 [ 71.444202] ? find_held_lock+0x35/0x1d0 [ 71.448245] ? get_signal+0x7ae/0x16c0 [ 71.452114] ? lock_downgrade+0x980/0x980 [ 71.456241] do_group_exit+0x149/0x400 [ 71.460103] ? do_raw_spin_trylock+0x190/0x190 [ 71.464663] ? SyS_exit+0x30/0x30 [ 71.468100] ? _raw_spin_unlock_irq+0x27/0x70 [ 71.472569] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 71.477560] get_signal+0x73f/0x16c0 [ 71.481261] ? ptrace_notify+0x130/0x130 [ 71.485300] ? __schedule+0x8f3/0x2060 [ 71.489161] ? exit_robust_list+0x240/0x240 [ 71.493462] ? __sched_text_start+0x8/0x8 [ 71.497596] ? vhost_net_stop_vq+0xf0/0xf0 [ 71.501807] ? avc_ss_reset+0x110/0x110 [ 71.505755] ? lock_downgrade+0x980/0x980 [ 71.509884] do_signal+0x90/0x1eb0 [ 71.513400] ? __lock_is_held+0xb6/0x140 [ 71.517438] ? setup_sigcontext+0x7d0/0x7d0 [ 71.521751] ? schedule+0xf5/0x430 [ 71.525268] ? __schedule+0x2060/0x2060 [ 71.529229] ? rcu_note_context_switch+0x710/0x710 [ 71.534137] ? exit_to_usermode_loop+0x8c/0x310 [ 71.538784] exit_to_usermode_loop+0x214/0x310 [ 71.543355] ? ioctl_preallocate+0x2b0/0x2b0 [ 71.547746] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 71.553257] ? selinux_capable+0x40/0x40 [ 71.557296] syscall_return_slowpath+0x490/0x550 [ 71.562036] ? prepare_exit_to_usermode+0x340/0x340 [ 71.567040] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 71.571952] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 71.576951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 71.581690] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 71.586420] RIP: 0033:0x446279 [ 71.589584] RSP: 002b:00007fc33c053da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 71.597267] RAX: 0000000000000001 RBX: 00000000006dec2c RCX: 0000000000446279 [ 71.604514] RDX: 0000000000446279 RSI: 0000000000000001 RDI: 00000000006dec2c [ 71.611759] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 71.619003] R10: 00007fc33c054700 R11: 0000000000000246 R12: 00000000006dec28 [ 71.626252] R13: 6f68762f7665642f R14: 00007fc33c0549c0 R15: 0000000000000007 [ 71.633989] Dumping ftrace buffer: [ 71.637542] (ftrace buffer empty) [ 71.641230] Kernel Offset: disabled [ 71.644833] Rebooting in 86400 seconds..