[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.621132] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.013726] random: sshd: uninitialized urandom read (32 bytes read) [ 26.429333] random: sshd: uninitialized urandom read (32 bytes read) [ 26.990300] random: sshd: uninitialized urandom read (32 bytes read) [ 35.287125] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.54' (ECDSA) to the list of known hosts. [ 40.871441] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 40.967918] 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. [ 40.992386] kasan: CONFIG_KASAN_INLINE enabled [ 40.999370] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 41.006725] general protection fault: 0000 [#1] SMP KASAN [ 41.012261] CPU: 1 PID: 4414 Comm: syz-executor221 Not tainted 4.19.0-rc1+ #212 [ 41.019696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.029054] RIP: 0010:__schedule+0xf48/0x1df0 [ 41.033547] 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 3c d6 08 fb eb 9f 4c 89 e6 48 89 df e8 0f [ 41.052477] RSP: 0018:ffff8801aebf6a80 EFLAGS: 00010806 [ 41.057836] RAX: 1bd5a00000000022 RBX: ffff8801af298240 RCX: 1ffff10035ca188f [ 41.065100] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 41.072363] RBP: ffff8801aebf6c50 R08: ffff8801af298240 R09: fffff520003c1a47 [ 41.079625] R10: fffff520003c1a47 R11: ffffc90001e0d23b R12: ffff8801d9858640 [ 41.086979] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 41.094251] FS: 0000000002135880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 41.102477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.108363] CR2: 000000000043effe CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 41.115637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.122903] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.130184] Call Trace: [ 41.132777] ? mark_held_locks+0x160/0x160 [ 41.137012] ? print_usage_bug+0xc0/0xc0 [ 41.141082] ? __sched_text_start+0x8/0x8 [ 41.145235] ? generic_exec_single+0x1ea/0x5e0 [ 41.149812] ? __lock_is_held+0xb5/0x140 [ 41.153874] ? check_same_owner+0x340/0x340 [ 41.158197] ? check_same_owner+0x340/0x340 [ 41.162539] ? smp_call_function_single+0x2d6/0x5c0 [ 41.167556] ? add_nops+0x90/0x90 [ 41.171011] ? arch_jump_label_transform+0x1b/0x40 [ 41.175943] preempt_schedule_common+0x22/0x60 [ 41.180526] _cond_resched+0x1d/0x30 [ 41.184240] __mutex_lock+0x13d/0x1700 [ 41.188227] ? fill_pte+0xd6/0x420 [ 41.191771] ? arch_jump_label_transform+0x1b/0x40 [ 41.196708] ? mutex_trylock+0x2b0/0x2b0 [ 41.200776] ? find_held_lock+0x36/0x1c0 [ 41.204846] ? lock_downgrade+0x8f0/0x8f0 [ 41.208991] ? trace_hardirqs_on+0xbd/0x2c0 [ 41.213314] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 41.218427] ? text_poke_bp+0x10c/0x16a [ 41.222396] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 41.227503] ? kvm_can_do_async_pf+0xf/0x2f0 [ 41.231909] ? kvm_can_do_async_pf+0x10/0x2f0 [ 41.236402] ? kasan_check_write+0x14/0x20 [ 41.240642] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 41.245571] ? wait_for_completion+0x8d0/0x8d0 [ 41.250147] ? kvm_can_do_async_pf+0xf/0x2f0 [ 41.254551] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 41.259996] ? modules_open+0xa0/0xa0 [ 41.263798] ? kvm_vm_release+0x42/0x50 [ 41.267765] ? get_trap_addr+0x1d0/0x1d0 [ 41.271822] ? do_group_exit+0x177/0x440 [ 41.275884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.281431] ? jump_label_type+0x132/0x1d0 [ 41.285664] ? static_key_count+0x130/0x130 [ 41.289988] mutex_lock_nested+0x16/0x20 [ 41.294045] ? mutex_lock_nested+0x16/0x20 [ 41.298281] arch_jump_label_transform+0x1b/0x40 [ 41.303036] __jump_label_update+0x16e/0x1a0 [ 41.307451] jump_label_update+0x151/0x2e0 [ 41.311688] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 41.317138] ? static_key_disable+0x30/0x30 [ 41.321499] ? rcu_read_lock_sched_held+0x108/0x120 [ 41.326515] static_key_slow_dec+0x63/0xa0 [ 41.330745] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 41.335250] kvm_vcpu_uninit+0x44/0x90 [ 41.339140] vmx_free_vcpu+0x23a/0x300 [ 41.343025] kvm_arch_destroy_vm+0x365/0x7c0 [ 41.347444] ? check_memory_region+0x113/0x1b0 [ 41.352026] ? kvm_arch_sync_events+0x30/0x30 [ 41.356522] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 41.362057] ? mmu_notifier_unregister+0x474/0x600 [ 41.366981] ? trace_hardirqs_on+0x2c0/0x2c0 [ 41.371387] ? kfree+0x111/0x210 [ 41.374774] ? __mmu_notifier_register+0x30/0x30 [ 41.379556] ? __free_pages+0x10a/0x190 [ 41.383575] ? free_unref_page+0x930/0x930 [ 41.387834] kvm_put_kvm+0x73f/0x1060 [ 41.391640] ? kvm_write_guest_cached+0x40/0x40 [ 41.396297] ? _raw_spin_unlock_irq+0x27/0x70 [ 41.400771] ? _raw_spin_unlock_irq+0x27/0x70 [ 41.405244] ? lockdep_hardirqs_on+0x421/0x5c0 [ 41.409812] ? kasan_check_write+0x14/0x20 [ 41.414039] ? do_raw_spin_lock+0xc1/0x200 [ 41.418274] ? kvm_irqfd_release+0xdd/0x120 [ 41.422591] ? kvm_irqfd_release+0xdd/0x120 [ 41.426912] ? kvm_put_kvm+0x1060/0x1060 [ 41.430970] kvm_vm_release+0x42/0x50 [ 41.434768] __fput+0x36e/0x8c0 [ 41.438049] ? __alloc_file+0x400/0x400 [ 41.442028] ? check_same_owner+0x340/0x340 [ 41.446346] ? kasan_check_write+0x14/0x20 [ 41.450578] ? do_raw_spin_lock+0xc1/0x200 [ 41.454812] ____fput+0x15/0x20 [ 41.458086] task_work_run+0x1e8/0x2a0 [ 41.461971] ? task_work_cancel+0x240/0x240 [ 41.466296] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 41.471828] ? switch_task_namespaces+0xa2/0xd0 [ 41.476495] do_exit+0x1ae4/0x26e0 [ 41.480034] ? mm_update_next_owner+0x9a0/0x9a0 [ 41.484730] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 41.488965] ? rcu_read_lock_sched_held+0x108/0x120 [ 41.493978] ? kfree+0x1d7/0x210 [ 41.497345] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 41.501581] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 41.507308] ? is_bpf_text_address+0xd7/0x170 [ 41.511803] ? kernel_text_address+0x79/0xf0 [ 41.516208] ? __kernel_text_address+0xd/0x40 [ 41.520708] ? unwind_get_return_address+0x61/0xa0 [ 41.525639] ? __save_stack_trace+0x8d/0xf0 [ 41.529993] ? save_stack+0xa9/0xd0 [ 41.533624] ? save_stack+0x43/0xd0 [ 41.537254] ? __kasan_slab_free+0x11a/0x170 [ 41.541667] ? kasan_slab_free+0xe/0x10 [ 41.545640] ? putname+0xf2/0x130 [ 41.549091] ? __x64_sys_openat+0x9d/0x100 [ 41.553349] ? do_syscall_64+0x1b9/0x820 [ 41.557410] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.562782] ? trace_hardirqs_off+0xb8/0x2b0 [ 41.567197] ? kasan_check_read+0x11/0x20 [ 41.571348] ? do_raw_spin_unlock+0xa7/0x2f0 [ 41.575759] ? trace_hardirqs_on+0x2c0/0x2c0 [ 41.580174] ? initcall_blacklisted+0x9a/0x1e0 [ 41.584771] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 41.589885] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 41.595601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.601136] ? do_vfs_ioctl+0x201/0x1720 [ 41.605200] ? rcu_is_watching+0x8c/0x150 [ 41.609341] ? trace_hardirqs_on+0xbd/0x2c0 [ 41.613663] ? ioctl_preallocate+0x300/0x300 [ 41.618069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.623602] ? __fget_light+0x2f7/0x440 [ 41.627578] ? fget_raw+0x20/0x20 [ 41.631027] ? putname+0xf2/0x130 [ 41.634485] ? rcu_read_lock_sched_held+0x108/0x120 [ 41.639501] ? kmem_cache_free+0x246/0x280 [ 41.643733] ? putname+0xf7/0x130 [ 41.647193] do_group_exit+0x177/0x440 [ 41.651076] ? trace_hardirqs_on+0xbd/0x2c0 [ 41.655393] ? __ia32_sys_exit+0x50/0x50 [ 41.659460] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 41.664593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.670126] ? ksys_ioctl+0x81/0xd0 [ 41.673752] __x64_sys_exit_group+0x3e/0x50 [ 41.678073] do_syscall_64+0x1b9/0x820 [ 41.681958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.687318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 41.692244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.697080] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 41.702095] ? prepare_exit_to_usermode+0x291/0x3b0 [ 41.707112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.711956] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.717140] RIP: 0033:0x43f028 [ 41.720335] Code: Bad RIP value. [ 41.723691] RSP: 002b:00007fff14dbd5a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.731400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f028 [ 41.738668] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 41.745931] RBP: 00000000004c08e8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 41.753193] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 41.760455] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 41.767722] Modules linked in: [ 41.770910] Dumping ftrace buffer: [ 41.774440] (ftrace buffer empty) [ 41.778145] [ 41.778150] ====================================================== [ 41.778155] WARNING: possible circular locking dependency detected [ 41.778159] 4.19.0-rc1+ #212 Not tainted [ 41.778165] ------------------------------------------------------ [ 41.778170] syz-executor221/4414 is trying to acquire lock: [ 41.778173] 0000000068a7fc9b ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 41.778194] [ 41.778198] but task is already holding lock: [ 41.778201] 00000000093499ec (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 41.778215] [ 41.778220] which lock already depends on the new lock. [ 41.778222] [ 41.778225] [ 41.778230] the existing dependency chain (in reverse order) is: [ 41.778232] [ 41.778235] -> #2 (&rq->lock){-.-.}: [ 41.778249] _raw_spin_lock+0x2a/0x40 [ 41.778253] task_fork_fair+0x93/0x680 [ 41.778257] sched_fork+0x44b/0xbd0 [ 41.778261] copy_process+0x235e/0x7ad0 [ 41.778264] _do_fork+0x1ca/0x1170 [ 41.778268] kernel_thread+0x34/0x40 [ 41.778272] rest_init+0x22/0xe4 [ 41.778276] start_kernel+0x913/0x94e [ 41.778280] x86_64_start_reservations+0x29/0x2b [ 41.778285] x86_64_start_kernel+0x76/0x79 [ 41.778289] secondary_startup_64+0xa4/0xb0 [ 41.778291] [ 41.778293] -> #1 (&p->pi_lock){-.-.}: [ 41.778308] _raw_spin_lock_irqsave+0x96/0xc0 [ 41.778312] try_to_wake_up+0xd2/0x1250 [ 41.778316] wake_up_process+0x10/0x20 [ 41.778320] __up.isra.1+0x1c0/0x2a0 [ 41.778323] up+0x13c/0x1c0 [ 41.778327] __up_console_sem+0xbe/0x1b0 [ 41.778331] console_unlock+0x506/0x10d0 [ 41.778335] vprintk_emit+0x33a/0x910 [ 41.778339] vprintk_default+0x28/0x30 [ 41.778343] vprintk_func+0x7a/0x117 [ 41.778346] printk+0xa7/0xcf [ 41.778350] load_umh+0x51/0xbd [ 41.778354] do_one_initcall+0x127/0x838 [ 41.778358] kernel_init_freeable+0x4bb/0x5ae [ 41.778362] kernel_init+0x11/0x1b3 [ 41.778366] ret_from_fork+0x3a/0x50 [ 41.778368] [ 41.778370] -> #0 ((console_sem).lock){-...}: [ 41.778385] lock_acquire+0x1e4/0x4f0 [ 41.778389] _raw_spin_lock_irqsave+0x96/0xc0 [ 41.778393] down_trylock+0x13/0x70 [ 41.778397] __down_trylock_console_sem+0xae/0x200 [ 41.778401] console_trylock+0x15/0xa0 [ 41.778405] vprintk_emit+0x31f/0x910 [ 41.778409] vprintk_default+0x28/0x30 [ 41.778413] vprintk_func+0x7a/0x117 [ 41.778425] printk+0xa7/0xcf [ 41.778429] kasan_die_handler.cold.22+0x11/0x30 [ 41.778434] notifier_call_chain+0x180/0x390 [ 41.778438] atomic_notifier_call_chain+0x98/0x190 [ 41.778442] notify_die+0x1be/0x2e0 [ 41.778446] do_general_protection+0x248/0x2f0 [ 41.778450] general_protection+0x1e/0x30 [ 41.778454] __schedule+0xf48/0x1df0 [ 41.778458] preempt_schedule_common+0x22/0x60 [ 41.778462] _cond_resched+0x1d/0x30 [ 41.778466] __mutex_lock+0x13d/0x1700 [ 41.778470] mutex_lock_nested+0x16/0x20 [ 41.778475] arch_jump_label_transform+0x1b/0x40 [ 41.778479] __jump_label_update+0x16e/0x1a0 [ 41.778483] jump_label_update+0x151/0x2e0 [ 41.778488] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 41.778492] static_key_slow_dec+0x63/0xa0 [ 41.778496] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 41.778500] kvm_vcpu_uninit+0x44/0x90 [ 41.778504] vmx_free_vcpu+0x23a/0x300 [ 41.778508] kvm_arch_destroy_vm+0x365/0x7c0 [ 41.778512] kvm_put_kvm+0x73f/0x1060 [ 41.778516] kvm_vm_release+0x42/0x50 [ 41.778520] __fput+0x36e/0x8c0 [ 41.778523] ____fput+0x15/0x20 [ 41.778527] task_work_run+0x1e8/0x2a0 [ 41.778531] do_exit+0x1ae4/0x26e0 [ 41.778535] do_group_exit+0x177/0x440 [ 41.778539] __x64_sys_exit_group+0x3e/0x50 [ 41.778543] do_syscall_64+0x1b9/0x820 [ 41.778548] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.778550] [ 41.778555] other info that might help us debug this: [ 41.778557] [ 41.778560] Chain exists of: [ 41.778562] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 41.778581] [ 41.778585] Possible unsafe locking scenario: [ 41.778587] [ 41.778591] CPU0 CPU1 [ 41.778595] ---- ---- [ 41.778598] lock(&rq->lock); [ 41.778607] lock(&p->pi_lock); [ 41.778616] lock(&rq->lock); [ 41.778624] lock((console_sem).lock); [ 41.778633] [ 41.778636] *** DEADLOCK *** [ 41.778638] [ 41.778642] 4 locks held by syz-executor221/4414: [ 41.778645] #0: 00000000e65153b8 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 41.778663] #1: 000000001391aaff (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 41.778682] #2: 00000000093499ec (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 41.778699] #3: 00000000ea6fb255 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 41.778717] [ 41.778720] stack backtrace: [ 41.778726] CPU: 1 PID: 4414 Comm: syz-executor221 Not tainted 4.19.0-rc1+ #212 [ 41.778733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.778737] Call Trace: [ 41.778740] dump_stack+0x1c9/0x2b4 [ 41.778745] ? dump_stack_print_info.cold.2+0x52/0x52 [ 41.778749] ? vprintk_func+0x100/0x117 [ 41.778754] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 41.778758] ? save_trace+0xe0/0x290 [ 41.778762] __lock_acquire+0x3449/0x5020 [ 41.778766] ? mark_held_locks+0x160/0x160 [ 41.778770] ? mark_held_locks+0x160/0x160 [ 41.778774] ? update_load_avg+0x389/0x27d0 [ 41.778779] ? __update_load_avg_blocked_se+0x730/0x730 [ 41.778783] ? attach_entity_load_avg+0x860/0x860 [ 41.778787] ? graph_lock+0x170/0x170 [ 41.778792] ? attach_entity_load_avg+0x860/0x860 [ 41.778795] ? graph_lock+0x170/0x170 [ 41.778800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 41.778804] lock_acquire+0x1e4/0x4f0 [ 41.778808] ? down_trylock+0x13/0x70 [ 41.778812] ? lock_release+0x9f0/0x9f0 [ 41.778816] ? trace_hardirqs_off+0xb8/0x2b0 [ 41.778820] ? trace_hardirqs_on+0x2c0/0x2c0 [ 41.778824] ? trace_hardirqs_off+0xb8/0x2b0 [ 41.778828] ? log_store+0x34f/0x4c0 [ 41.778832] ? vprintk_emit+0x31f/0x910 [ 41.778836] _raw_spin_lock_irqsave+0x96/0xc0 [ 41.778840] ? down_trylock+0x13/0x70 [ 41.778844] down_trylock+0x13/0x70 [ 41.778848] __down_trylock_console_sem+0xae/0x200 [ 41.778852] console_trylock+0x15/0xa0 [ 41.778856] vprintk_emit+0x31f/0x910 [ 41.778860] ? wake_up_klogd+0x110/0x110 [ 41.778864] ? __lock_acquire+0x7fc/0x5020 [ 41.778868] ? mark_held_locks+0x160/0x160 [ 41.778872] vprintk_default+0x28/0x30 [ 41.778876] vprintk_func+0x7a/0x117 [ 41.778879] printk+0xa7/0xcf [ 41.778884] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 41.778888] ? kasan_die_handler.cold.22+0x5/0x30 [ 41.778892] ? kasan_die_handler+0x1a/0x31 [ 41.778897] kasan_die_handler.cold.22+0x11/0x30 [ 41.778901] notifier_call_chain+0x180/0x390 [ 41.778905] ? unregister_die_notifier+0x20/0x20 [ 41.778909] ? rcu_is_watching+0x8c/0x150 [ 41.778914] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 41.778918] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 41.778922] ? cmp_ex_search+0x8c/0xb0 [ 41.778926] atomic_notifier_call_chain+0x98/0x190 [ 41.778930] notify_die+0x1be/0x2e0 [ 41.778935] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 41.778939] ? search_module_extables+0x18/0xc0 [ 41.778943] ? __schedule+0xf48/0x1df0 [ 41.778947] ? __schedule+0xf48/0x1df0 [ 41.778951] ? search_exception_tables+0x47/0x50 [ 41.778956] do_general_protection+0x248/0x2f0 [ 41.778960] general_protection+0x1e/0x30 [ 41.778964] RIP: 0010:__schedule+0xf48/0x1df0 [ 41.778977] 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 3c d6 08 fb eb 9f 4c 89 e6 48 89 df e8 0f [ 41.778981] RSP: 0018:ffff8801aebf6a80 EFLAGS: 00010806 [ 41.778990] RAX: 1bd5a00000000022 RBX: ffff8801af298240 RCX: 1ffff10035ca188f [ 41.778996] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 41.779002] RBP: ffff8801aebf6c50 R08: ffff8801af298240 R09: fffff520003c1a47 [ 41.779008] R10: fffff520003c1a47 R11: ffffc90001e0d23b R12: ffff8801d9858640 [ 41.779014] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 41.779018] ? mark_held_locks+0x160/0x160 [ 41.779022] ? print_usage_bug+0xc0/0xc0 [ 41.779026] ? __sched_text_start+0x8/0x8 [ 41.779030] ? generic_exec_single+0x1ea/0x5e0 [ 41.779034] ? __lock_is_held+0xb5/0x140 [ 41.779038] ? check_same_owner+0x340/0x340 [ 41.779043] ? check_same_owner+0x340/0x340 [ 41.779047] ? smp_call_function_single+0x2d6/0x5c0 [ 41.779051] ? add_nops+0x90/0x90 [ 41.779055] ? arch_jump_label_transform+0x1b/0x40 [ 41.779060] preempt_schedule_common+0x22/0x60 [ 41.779064] _cond_resched+0x1d/0x30 [ 41.779067] __mutex_lock+0x13d/0x1700 [ 41.779071] ? fill_pte+0xd6/0x420 [ 41.779076] ? arch_jump_label_transform+0x1b/0x40 [ 41.779080] ? mutex_trylock+0x2b0/0x2b0 [ 41.779083] ? find_held_lock+0x36/0x1c0 [ 41.779088] ? lock_downgrade+0x8f0/0x8f0 [ 41.779092] ? trace_hardirqs_on+0xbd/0x2c0 [ 41.779096] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 41.779100] ? text_poke_bp+0x10c/0x16a [ 41.779105] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 41.779109] ? kvm_can_do_async_pf+0xf/0x2f0 [ 41.779113] ? kvm_can_do_async_pf+0x10/0x2f0 [ 41.779118] ? kasan_check_write+0x14/0x20 [ 41.779122] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 41.779126] ? wait_for_completion+0x8d0/0x8d0 [ 41.779131] ? kvm_can_do_async_pf+0xf/0x2f0 [ 41.779135] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 41.779139] ? modules_open+0xa0/0xa0 [ 41.779143] ? kvm_vm_release+0x42/0x50 [ 41.779147] ? get_trap_addr+0x1d0/0x1d0 [ 41.779151] ? do_group_exit+0x177/0x440 [ 41.779156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.779160] ? jump_label_type+0x132/0x1d0 [ 41.779164] ? static_key_count+0x130/0x130 [ 41.779168] mutex_lock_nested+0x16/0x20 [ 41.779172] ? mutex_lock_nested+0x16/0x20 [ 41.779176] arch_jump_label_transform+0x1b/0x40 [ 41.779186] __jump_label_update+0x16e/0x1a0 [ 41.779190] jump_label_update+0x151/0x2e0 [ 41.779195] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 41.779199] ? static_key_disable+0x30/0x30 [ 41.779204] ? rcu_read_lock_sched_held+0x108/0x120 [ 41.779208] static_key_slow_dec+0x63/0xa0 [ 41.779212] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 41.779216] kvm_vcpu_uninit+0x44/0x90 [ 41.779220] vmx_free_vcpu+0x23a/0x300 [ 41.779224] kvm_arch_destroy_vm+0x365/0x7c0 [ 41.779228] ? check_memory_region+0x113/0x1b0 [ 41.779231] ? kvm_arch_sync [ 41.779239] Lost 91 message(s)! [ 42.805847] ---[ end trace c4c6475f35138605 ]--- [ 42.810609] RIP: 0010:__schedule+0xf48/0x1df0 [ 42.815103] 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 3c d6 08 fb eb 9f 4c 89 e6 48 89 df e8 0f [ 42.833996] RSP: 0018:ffff8801aebf6a80 EFLAGS: 00010806 [ 42.839357] RAX: 1bd5a00000000022 RBX: ffff8801af298240 RCX: 1ffff10035ca188f [ 42.846617] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 42.853883] RBP: ffff8801aebf6c50 R08: ffff8801af298240 R09: fffff520003c1a47 [ 42.861146] R10: fffff520003c1a47 R11: ffffc90001e0d23b R12: ffff8801d9858640 [ 42.868407] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 42.875681] FS: 0000000002135880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 42.883902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.889779] CR2: 000000000043effe CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 42.897045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.904305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.911569] Kernel panic - not syncing: Fatal exception [ 43.998515] Shutting down cpus with NMI [ 44.002880] Dumping ftrace buffer: [ 44.006404] (ftrace buffer empty) [ 44.010101] Kernel Offset: disabled [ 44.013728] Rebooting in 86400 seconds..