[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.330964] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.721176] random: sshd: uninitialized urandom read (32 bytes read) [ 25.046157] random: sshd: uninitialized urandom read (32 bytes read) [ 25.566866] random: sshd: uninitialized urandom read (32 bytes read) [ 40.095024] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts. [ 45.718563] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 45.813824] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 45.837158] kasan: CONFIG_KASAN_INLINE enabled [ 45.844054] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.851418] general protection fault: 0000 [#1] SMP KASAN [ 45.856953] CPU: 1 PID: 4436 Comm: syz-executor834 Not tainted 4.18.0-next-20180821+ #44 [ 45.865173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.874533] RIP: 0010:__schedule+0xf48/0x1df0 [ 45.879029] Code: 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 94 09 00 00 4d 8b 6d 00 4d 85 ed 0f 84 84 f7 ff ff 49 8d 7d 10 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 a6 e8 dc 63 06 fb eb 9f 4c 89 e6 48 89 df e8 1f [ 45.897926] RSP: 0018:ffff8801b1b66a80 EFLAGS: 00010806 [ 45.903290] RAX: 1bd5a00000000022 RBX: ffff8801b14f6680 RCX: 1ffff1003637388f [ 45.910553] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 45.917819] RBP: ffff8801b1b66c50 R08: ffff8801b14f6680 R09: fffff520003c0a47 [ 45.925096] R10: fffff520003c0a47 R11: ffffc90001e0523b R12: ffff8801ce1b6080 [ 45.932359] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 45.939630] FS: 0000000001808880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 45.947937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.953813] CR2: 000000000043eede CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 45.961094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.968362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.975623] Call Trace: [ 45.978220] ? __sched_text_start+0x8/0x8 [ 45.982371] ? generic_exec_single+0x1ea/0x5e0 [ 45.986953] ? __lock_is_held+0xb5/0x140 [ 45.991018] ? check_same_owner+0x340/0x340 [ 45.995339] ? check_same_owner+0x340/0x340 [ 45.999660] ? smp_call_function_single+0x2d6/0x5c0 [ 46.004676] ? add_nops+0x90/0x90 [ 46.008130] ? arch_jump_label_transform+0x1b/0x40 [ 46.013061] preempt_schedule_common+0x22/0x60 [ 46.017642] _cond_resched+0x1d/0x30 [ 46.021361] __mutex_lock+0x13d/0x1700 [ 46.025247] ? fill_pte+0xd6/0x420 [ 46.028784] ? arch_jump_label_transform+0x1b/0x40 [ 46.033716] ? mutex_trylock+0x2b0/0x2b0 [ 46.037775] ? find_held_lock+0x36/0x1c0 [ 46.041846] ? lock_downgrade+0x8f0/0x8f0 [ 46.045991] ? trace_hardirqs_on+0xbd/0x2c0 [ 46.050398] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 46.055584] ? text_poke_bp+0x10c/0x16a [ 46.059557] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 46.064657] ? vcpu_mmio_read+0xfe/0x600 [ 46.068715] ? vcpu_mmio_read+0xff/0x600 [ 46.072777] ? kasan_check_write+0x14/0x20 [ 46.077007] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 46.081936] ? wait_for_completion+0x8d0/0x8d0 [ 46.086525] ? vcpu_mmio_read+0xfe/0x600 [ 46.090586] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 46.096064] ? modules_open+0xa0/0xa0 [ 46.099874] ? kvm_vm_release+0x42/0x50 [ 46.103856] ? get_trap_addr+0x1d0/0x1d0 [ 46.107916] ? do_group_exit+0x177/0x440 [ 46.111977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.117600] ? jump_label_type+0x132/0x1d0 [ 46.121830] ? static_key_count+0x130/0x130 [ 46.126160] mutex_lock_nested+0x16/0x20 [ 46.130217] ? mutex_lock_nested+0x16/0x20 [ 46.134452] arch_jump_label_transform+0x1b/0x40 [ 46.139212] __jump_label_update+0x16e/0x1a0 [ 46.143623] jump_label_update+0x151/0x2e0 [ 46.147871] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 46.153344] ? static_key_disable+0x30/0x30 [ 46.157671] ? rcu_read_lock_sched_held+0x108/0x120 [ 46.162684] static_key_slow_dec+0x63/0xa0 [ 46.166915] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 46.171408] kvm_vcpu_uninit+0x44/0x90 [ 46.175277] vmx_free_vcpu+0x23a/0x300 [ 46.179155] kvm_arch_destroy_vm+0x365/0x7c0 [ 46.183564] ? kasan_check_read+0x13/0x20 [ 46.187712] ? kvm_arch_sync_events+0x30/0x30 [ 46.192211] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.197745] ? mmu_notifier_unregister+0x474/0x600 [ 46.202670] ? trace_hardirqs_on+0x2c0/0x2c0 [ 46.207125] ? kfree+0x111/0x210 [ 46.210496] ? __mmu_notifier_register+0x30/0x30 [ 46.215253] ? __free_pages+0x10a/0x190 [ 46.219230] ? free_unref_page+0x930/0x930 [ 46.223471] kvm_put_kvm+0x73f/0x1060 [ 46.227274] ? kvm_write_guest_cached+0x40/0x40 [ 46.231944] ? _raw_spin_unlock_irq+0x27/0x70 [ 46.236439] ? _raw_spin_unlock_irq+0x27/0x70 [ 46.240931] ? lockdep_hardirqs_on+0x421/0x5c0 [ 46.245526] ? kasan_check_write+0x14/0x20 [ 46.249762] ? do_raw_spin_lock+0xc1/0x200 [ 46.254001] ? kvm_irqfd_release+0xdd/0x120 [ 46.258325] ? kvm_put_kvm+0x1060/0x1060 [ 46.262385] kvm_vm_release+0x42/0x50 [ 46.266188] __fput+0x376/0x8a0 [ 46.269465] ? __alloc_file+0x400/0x400 [ 46.273441] ? check_same_owner+0x340/0x340 [ 46.277759] ? kasan_check_write+0x14/0x20 [ 46.281994] ? do_raw_spin_lock+0xc1/0x200 [ 46.286228] ____fput+0x15/0x20 [ 46.289509] task_work_run+0x1e8/0x2a0 [ 46.293398] ? task_work_cancel+0x240/0x240 [ 46.297725] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.303450] ? switch_task_namespaces+0xa2/0xd0 [ 46.308108] do_exit+0x1ae4/0x26e0 [ 46.311633] ? mm_update_next_owner+0x9a0/0x9a0 [ 46.316286] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 46.320504] ? rcu_read_lock_sched_held+0x108/0x120 [ 46.325513] ? kfree+0x1d7/0x210 [ 46.328881] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 46.333119] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 46.338828] ? is_bpf_text_address+0xd7/0x170 [ 46.343332] ? kernel_text_address+0x79/0xf0 [ 46.347847] ? __kernel_text_address+0xd/0x40 [ 46.352353] ? unwind_get_return_address+0x61/0xa0 [ 46.357282] ? __save_stack_trace+0x8d/0xf0 [ 46.361608] ? save_stack+0xa9/0xd0 [ 46.365231] ? save_stack+0x43/0xd0 [ 46.368860] ? __kasan_slab_free+0x11a/0x170 [ 46.373269] ? kasan_slab_free+0xe/0x10 [ 46.377239] ? putname+0xf2/0x130 [ 46.380693] ? __x64_sys_openat+0x9d/0x100 [ 46.384926] ? do_syscall_64+0x1b9/0x820 [ 46.388990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.394363] ? trace_hardirqs_off+0xb8/0x2b0 [ 46.398765] ? kasan_check_read+0x11/0x20 [ 46.402909] ? do_raw_spin_unlock+0xa7/0x2f0 [ 46.407318] ? trace_hardirqs_on+0x2c0/0x2c0 [ 46.411727] ? initcall_blacklisted+0x9a/0x1e0 [ 46.416325] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 46.421436] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 46.427146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.432680] ? do_vfs_ioctl+0x201/0x1720 [ 46.436744] ? rcu_is_watching+0x8c/0x150 [ 46.440888] ? trace_hardirqs_on+0xbd/0x2c0 [ 46.445208] ? ioctl_preallocate+0x300/0x300 [ 46.449612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.455148] ? __fget_light+0x2f7/0x440 [ 46.459119] ? fget_raw+0x20/0x20 [ 46.462572] ? putname+0xf2/0x130 [ 46.466035] ? rcu_read_lock_sched_held+0x108/0x120 [ 46.471056] ? kmem_cache_free+0x246/0x280 [ 46.475426] ? putname+0xf7/0x130 [ 46.478886] do_group_exit+0x177/0x440 [ 46.482774] ? trace_hardirqs_on+0xbd/0x2c0 [ 46.487093] ? __ia32_sys_exit+0x50/0x50 [ 46.491155] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 46.496257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.501796] ? ksys_ioctl+0x81/0xd0 [ 46.505430] __x64_sys_exit_group+0x3e/0x50 [ 46.509753] do_syscall_64+0x1b9/0x820 [ 46.513638] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 46.519000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 46.523929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.528769] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 46.533785] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 46.538799] ? prepare_exit_to_usermode+0x291/0x3b0 [ 46.543819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.548690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.553877] RIP: 0033:0x43ef08 [ 46.557072] Code: Bad RIP value. [ 46.560434] RSP: 002b:00007fff57ecaaa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 46.568141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ef08 [ 46.575413] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 46.582676] RBP: 00000000004be7c8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 46.589939] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 46.597204] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 46.604472] Modules linked in: [ 46.607661] Dumping ftrace buffer: [ 46.611188] (ftrace buffer empty) [ 46.614897] [ 46.614902] ====================================================== [ 46.614907] WARNING: possible circular locking dependency detected [ 46.614911] 4.18.0-next-20180821+ #44 Not tainted [ 46.614917] ------------------------------------------------------ [ 46.614922] syz-executor834/4436 is trying to acquire lock: [ 46.614925] 00000000de5a3da4 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 46.614940] [ 46.614944] but task is already holding lock: [ 46.614947] 00000000475ab9d7 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 46.614961] [ 46.614966] which lock already depends on the new lock. [ 46.614968] [ 46.614971] [ 46.614976] the existing dependency chain (in reverse order) is: [ 46.614978] [ 46.614981] -> #2 (&rq->lock){-.-.}: [ 46.614995] _raw_spin_lock+0x2a/0x40 [ 46.614999] task_fork_fair+0x93/0x680 [ 46.615002] sched_fork+0x44b/0xbd0 [ 46.615006] copy_process+0x235e/0x7ae0 [ 46.615010] _do_fork+0x1ca/0x1170 [ 46.615014] kernel_thread+0x34/0x40 [ 46.615018] rest_init+0x22/0xe4 [ 46.615022] start_kernel+0x913/0x94e [ 46.615026] x86_64_start_reservations+0x29/0x2b [ 46.615030] x86_64_start_kernel+0x76/0x79 [ 46.615034] secondary_startup_64+0xa4/0xb0 [ 46.615037] [ 46.615039] -> #1 (&p->pi_lock){-.-.}: [ 46.615053] _raw_spin_lock_irqsave+0x96/0xc0 [ 46.615057] try_to_wake_up+0xd2/0x1250 [ 46.615061] wake_up_process+0x10/0x20 [ 46.615065] __up.isra.1+0x1c0/0x2a0 [ 46.615068] up+0x13c/0x1c0 [ 46.615072] __up_console_sem+0xbe/0x1b0 [ 46.615076] console_unlock+0x506/0x10d0 [ 46.615080] vprintk_emit+0x33a/0x910 [ 46.615084] vprintk_default+0x28/0x30 [ 46.615088] vprintk_func+0x7a/0x117 [ 46.615091] printk+0xa7/0xcf [ 46.615095] load_umh+0x51/0xbd [ 46.615099] do_one_initcall+0x127/0x838 [ 46.615103] kernel_init_freeable+0x4bb/0x5ae [ 46.615107] kernel_init+0x11/0x1b3 [ 46.615111] ret_from_fork+0x3a/0x50 [ 46.615113] [ 46.615115] -> #0 ((console_sem).lock){-...}: [ 46.615130] lock_acquire+0x1e4/0x4f0 [ 46.615134] _raw_spin_lock_irqsave+0x96/0xc0 [ 46.615138] down_trylock+0x13/0x70 [ 46.615142] __down_trylock_console_sem+0xae/0x200 [ 46.615146] console_trylock+0x15/0xa0 [ 46.615150] vprintk_emit+0x31f/0x910 [ 46.615154] vprintk_default+0x28/0x30 [ 46.615158] vprintk_func+0x7a/0x117 [ 46.615161] printk+0xa7/0xcf [ 46.615166] kasan_die_handler.cold.22+0x11/0x30 [ 46.615170] notifier_call_chain+0x180/0x390 [ 46.615174] atomic_notifier_call_chain+0x98/0x190 [ 46.615178] notify_die+0x1be/0x2e0 [ 46.615182] do_general_protection+0x248/0x2f0 [ 46.615187] general_protection+0x1e/0x30 [ 46.615190] __schedule+0xf48/0x1df0 [ 46.615195] preempt_schedule_common+0x22/0x60 [ 46.615198] _cond_resched+0x1d/0x30 [ 46.615202] __mutex_lock+0x13d/0x1700 [ 46.615206] mutex_lock_nested+0x16/0x20 [ 46.615211] arch_jump_label_transform+0x1b/0x40 [ 46.615215] __jump_label_update+0x16e/0x1a0 [ 46.615219] jump_label_update+0x151/0x2e0 [ 46.615224] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 46.615228] static_key_slow_dec+0x63/0xa0 [ 46.615232] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 46.615236] kvm_vcpu_uninit+0x44/0x90 [ 46.615240] vmx_free_vcpu+0x23a/0x300 [ 46.615244] kvm_arch_destroy_vm+0x365/0x7c0 [ 46.615248] kvm_put_kvm+0x73f/0x1060 [ 46.615252] kvm_vm_release+0x42/0x50 [ 46.615256] __fput+0x376/0x8a0 [ 46.615259] ____fput+0x15/0x20 [ 46.615263] task_work_run+0x1e8/0x2a0 [ 46.615267] do_exit+0x1ae4/0x26e0 [ 46.615271] do_group_exit+0x177/0x440 [ 46.615275] __x64_sys_exit_group+0x3e/0x50 [ 46.615279] do_syscall_64+0x1b9/0x820 [ 46.615284] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.615286] [ 46.615290] other info that might help us debug this: [ 46.615293] [ 46.615296] Chain exists of: [ 46.615298] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 46.615316] [ 46.615320] Possible unsafe locking scenario: [ 46.615322] [ 46.615326] CPU0 CPU1 [ 46.615330] ---- ---- [ 46.615333] lock(&rq->lock); [ 46.615342] lock(&p->pi_lock); [ 46.615351] lock(&rq->lock); [ 46.615359] lock((console_sem).lock); [ 46.615368] [ 46.615371] *** DEADLOCK *** [ 46.615373] [ 46.615377] 4 locks held by syz-executor834/4436: [ 46.615380] #0: 00000000ddeea8b8 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 46.615398] #1: 0000000042ecf3de (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 46.615421] #2: 00000000475ab9d7 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 46.615438] #3: 000000008a3e9140 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 46.615456] [ 46.615459] stack backtrace: [ 46.615466] CPU: 1 PID: 4436 Comm: syz-executor834 Not tainted 4.18.0-next-20180821+ #44 [ 46.615473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.615476] Call Trace: [ 46.615480] dump_stack+0x1c9/0x2b4 [ 46.615484] ? dump_stack_print_info.cold.2+0x52/0x52 [ 46.615488] ? vprintk_func+0x100/0x117 [ 46.615493] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 46.615497] ? save_trace+0xe0/0x290 [ 46.615501] __lock_acquire+0x3449/0x5020 [ 46.615505] ? mark_held_locks+0x160/0x160 [ 46.615509] ? mark_held_locks+0x160/0x160 [ 46.615513] ? update_load_avg+0x389/0x27d0 [ 46.615518] ? __update_load_avg_blocked_se+0x730/0x730 [ 46.615522] ? attach_entity_load_avg+0x860/0x860 [ 46.615527] ? attach_entity_load_avg+0x860/0x860 [ 46.615531] ? graph_lock+0x170/0x170 [ 46.615536] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.615539] lock_acquire+0x1e4/0x4f0 [ 46.615543] ? down_trylock+0x13/0x70 [ 46.615547] ? lock_release+0x9f0/0x9f0 [ 46.615551] ? trace_hardirqs_off+0xb8/0x2b0 [ 46.615555] ? trace_hardirqs_on+0x2c0/0x2c0 [ 46.615560] ? trace_hardirqs_off+0xb8/0x2b0 [ 46.615563] ? log_store+0x34f/0x4c0 [ 46.615567] ? vprintk_emit+0x31f/0x910 [ 46.615572] _raw_spin_lock_irqsave+0x96/0xc0 [ 46.615575] ? down_trylock+0x13/0x70 [ 46.615579] down_trylock+0x13/0x70 [ 46.615584] __down_trylock_console_sem+0xae/0x200 [ 46.615588] console_trylock+0x15/0xa0 [ 46.615591] vprintk_emit+0x31f/0x910 [ 46.615595] ? wake_up_klogd+0x110/0x110 [ 46.615599] ? __lock_acquire+0x7fc/0x5020 [ 46.615603] ? mark_held_locks+0x160/0x160 [ 46.615607] vprintk_default+0x28/0x30 [ 46.615611] vprintk_func+0x7a/0x117 [ 46.615614] printk+0xa7/0xcf [ 46.615619] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 46.615623] ? kasan_die_handler.cold.22+0x5/0x30 [ 46.615627] ? kasan_die_handler+0x1a/0x31 [ 46.615632] kasan_die_handler.cold.22+0x11/0x30 [ 46.615636] notifier_call_chain+0x180/0x390 [ 46.615640] ? unregister_die_notifier+0x20/0x20 [ 46.615644] ? rcu_is_watching+0x8c/0x150 [ 46.615648] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 46.615653] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 46.615657] ? cmp_ex_search+0x8c/0xb0 [ 46.615661] atomic_notifier_call_chain+0x98/0x190 [ 46.615665] notify_die+0x1be/0x2e0 [ 46.615670] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 46.615674] ? search_module_extables+0x18/0xc0 [ 46.615678] ? __schedule+0xf48/0x1df0 [ 46.615682] ? __schedule+0xf48/0x1df0 [ 46.615686] ? search_exception_tables+0x47/0x50 [ 46.615690] do_general_protection+0x248/0x2f0 [ 46.615694] general_protection+0x1e/0x30 [ 46.615698] RIP: 0010:__schedule+0xf48/0x1df0 [ 46.615711] Code: 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 94 09 00 00 4d 8b 6d 00 4d 85 ed 0f 84 84 f7 ff ff 49 8d 7d 10 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 a6 e8 dc 63 06 fb eb 9f 4c 89 e6 48 89 df e8 1f [ 46.615716] RSP: 0018:ffff8801b1b66a80 EFLAGS: 00010806 [ 46.615725] RAX: 1bd5a00000000022 RBX: ffff8801b14f6680 RCX: 1ffff1003637388f [ 46.615730] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 46.615736] RBP: ffff8801b1b66c50 R08: ffff8801b14f6680 R09: fffff520003c0a47 [ 46.615742] R10: fffff520003c0a47 R11: ffffc90001e0523b R12: ffff8801ce1b6080 [ 46.615748] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 46.615752] ? __sched_text_start+0x8/0x8 [ 46.615757] ? generic_exec_single+0x1ea/0x5e0 [ 46.615761] ? __lock_is_held+0xb5/0x140 [ 46.615765] ? check_same_owner+0x340/0x340 [ 46.615769] ? check_same_owner+0x340/0x340 [ 46.615774] ? smp_call_function_single+0x2d6/0x5c0 [ 46.615777] ? add_nops+0x90/0x90 [ 46.615782] ? arch_jump_label_transform+0x1b/0x40 [ 46.615786] preempt_schedule_common+0x22/0x60 [ 46.615790] _cond_resched+0x1d/0x30 [ 46.615794] __mutex_lock+0x13d/0x1700 [ 46.615797] ? fill_pte+0xd6/0x420 [ 46.615802] ? arch_jump_label_transform+0x1b/0x40 [ 46.615806] ? mutex_trylock+0x2b0/0x2b0 [ 46.615810] ? find_held_lock+0x36/0x1c0 [ 46.615814] ? lock_downgrade+0x8f0/0x8f0 [ 46.615818] ? trace_hardirqs_on+0xbd/0x2c0 [ 46.615823] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 46.615827] ? text_poke_bp+0x10c/0x16a [ 46.615831] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 46.615835] ? vcpu_mmio_read+0xfe/0x600 [ 46.615846] ? vcpu_mmio_read+0xff/0x600 [ 46.615850] ? kasan_check_write+0x14/0x20 [ 46.615855] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 46.615859] ? wait_for_completion+0x8d0/0x8d0 [ 46.615863] ? vcpu_mmio_read+0xfe/0x600 [ 46.615868] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 46.615872] ? modules_open+0xa0/0xa0 [ 46.615876] ? kvm_vm_release+0x42/0x50 [ 46.615880] ? get_trap_addr+0x1d0/0x1d0 [ 46.615884] ? do_group_exit+0x177/0x440 [ 46.615888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.615893] ? jump_label_type+0x132/0x1d0 [ 46.615897] ? static_key_count+0x130/0x130 [ 46.615901] mutex_lock_nested+0x16/0x20 [ 46.615905] ? mutex_lock_nested+0x16/0x20 [ 46.615909] arch_jump_label_transform+0x1b/0x40 [ 46.615914] __jump_label_update+0x16e/0x1a0 [ 46.615918] jump_label_update+0x151/0x2e0 [ 46.615923] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 46.615927] ? static_key_disable+0x30/0x30 [ 46.615932] ? rcu_read_lock_sched_held+0x108/0x120 [ 46.615936] static_key_slow_dec+0x63/0xa0 [ 46.615940] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 46.615944] kvm_vcpu_uninit+0x44/0x90 [ 46.615948] vmx_free_vcpu+0x23a/0x300 [ 46.615952] kvm_arch_destroy_vm+0x365/0x7c0 [ 46.615956] ? kasan_check_read+0x13/0x20 [ 46.615960] ? kvm_arch_sync_events+0x30/0x30 [ 46.615965] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.615968] ? mmu_notifier_unregist [ 46.615976] Lost 89 message(s)! [ 47.643075] ---[ end trace 8c8c3b55a069abb4 ]--- [ 47.647849] RIP: 0010:__schedule+0xf48/0x1df0 [ 47.652342] Code: 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 94 09 00 00 4d 8b 6d 00 4d 85 ed 0f 84 84 f7 ff ff 49 8d 7d 10 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 a6 e8 dc 63 06 fb eb 9f 4c 89 e6 48 89 df e8 1f [ 47.671236] RSP: 0018:ffff8801b1b66a80 EFLAGS: 00010806 [ 47.676599] RAX: 1bd5a00000000022 RBX: ffff8801b14f6680 RCX: 1ffff1003637388f [ 47.683870] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 47.691133] RBP: ffff8801b1b66c50 R08: ffff8801b14f6680 R09: fffff520003c0a47 [ 47.698396] R10: fffff520003c0a47 R11: ffffc90001e0523b R12: ffff8801ce1b6080 [ 47.705658] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 47.712926] FS: 0000000001808880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 47.721149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.727025] CR2: 000000000043eede CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 47.734293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.741571] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.748835] Kernel panic - not syncing: Fatal exception [ 48.817407] Shutting down cpus with NMI [ 48.821805] Dumping ftrace buffer: [ 48.825343] (ftrace buffer empty) [ 48.829041] Kernel Offset: disabled [ 48.832649] Rebooting in 86400 seconds..