[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.975314] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.651649] random: sshd: uninitialized urandom read (32 bytes read) [ 25.940798] random: sshd: uninitialized urandom read (32 bytes read) [ 26.478287] random: sshd: uninitialized urandom read (32 bytes read) [ 26.656576] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. [ 32.322556] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 32.421487] 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. [ 32.446629] kasan: CONFIG_KASAN_INLINE enabled [ 32.453572] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.460935] general protection fault: 0000 [#1] SMP KASAN [ 32.466474] CPU: 1 PID: 4285 Comm: syz-executor541 Not tainted 4.19.0-rc2+ #226 [ 32.473923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.483291] RIP: 0010:__schedule+0xf48/0x1df0 [ 32.487789] 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 6c 40 e6 fa eb 9f 4c 89 e6 48 89 df e8 1f [ 32.506692] RSP: 0018:ffff8801b9a9ea40 EFLAGS: 00010806 [ 32.512058] RAX: 1bd5a00000000022 RBX: ffff8801b8bb2540 RCX: 1ffff10037f8e88f [ 32.519324] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 32.526595] RBP: ffff8801b9a9ec10 R08: ffff8801b8bb2540 R09: fffff520003cd047 [ 32.533862] R10: fffff520003cd047 R11: ffffc90001e6823b R12: ffff8801cf5fa480 [ 32.541128] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 32.548401] FS: 0000000000bbc880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 32.556628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.562511] CR2: 000000000043f08e CR3: 000000000806a000 CR4: 00000000001426e0 [ 32.569869] Call Trace: [ 32.572461] ? mark_held_locks+0x160/0x160 [ 32.576706] ? print_usage_bug+0xc0/0xc0 [ 32.580774] ? __sched_text_start+0x8/0x8 [ 32.584928] ? generic_exec_single+0x1ea/0x5e0 [ 32.589519] ? __lock_is_held+0xb5/0x140 [ 32.593588] ? check_same_owner+0x340/0x340 [ 32.597911] ? check_same_owner+0x340/0x340 [ 32.602230] ? smp_call_function_single+0x2d6/0x5c0 [ 32.607250] ? add_nops+0x90/0x90 [ 32.610704] ? arch_jump_label_transform+0x1b/0x40 [ 32.615635] preempt_schedule_common+0x22/0x60 [ 32.620218] _cond_resched+0x1d/0x30 [ 32.623929] __mutex_lock+0x13d/0x1700 [ 32.627816] ? fill_pte+0xd6/0x420 [ 32.631358] ? arch_jump_label_transform+0x1b/0x40 [ 32.636292] ? mutex_trylock+0x2b0/0x2b0 [ 32.640360] ? find_held_lock+0x36/0x1c0 [ 32.644426] ? lock_downgrade+0x8f0/0x8f0 [ 32.648576] ? trace_hardirqs_on+0xbd/0x2c0 [ 32.652896] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 32.657997] ? text_poke_bp+0x14e/0x1de [ 32.661975] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 32.667080] ? vmx_set_virtual_apic_mode+0x9f/0x7d0 [ 32.672103] ? vmx_set_virtual_apic_mode+0xa0/0x7d0 [ 32.677124] ? kasan_check_write+0x14/0x20 [ 32.681363] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 32.686300] ? wait_for_completion+0x8d0/0x8d0 [ 32.690886] ? vmx_set_virtual_apic_mode+0x9f/0x7d0 [ 32.695906] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 32.701357] ? modules_open+0xa0/0xa0 [ 32.705157] ? kvm_vm_release+0x42/0x50 [ 32.709130] ? get_trap_addr+0x1d0/0x1d0 [ 32.713187] ? do_group_exit+0x177/0x440 [ 32.717248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.722788] ? jump_label_type+0x132/0x1d0 [ 32.727025] ? static_key_count+0x130/0x130 [ 32.731357] mutex_lock_nested+0x16/0x20 [ 32.735420] ? mutex_lock_nested+0x16/0x20 [ 32.739659] arch_jump_label_transform+0x1b/0x40 [ 32.744423] __jump_label_update+0x16e/0x1a0 [ 32.748833] jump_label_update+0x151/0x2e0 [ 32.753076] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 32.758531] ? static_key_disable+0x30/0x30 [ 32.762898] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.767919] static_key_slow_dec+0x63/0xa0 [ 32.772157] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 32.776658] kvm_vcpu_uninit+0x44/0x90 [ 32.780546] vmx_free_vcpu+0x23a/0x300 [ 32.784435] kvm_arch_destroy_vm+0x365/0x7c0 [ 32.788847] ? check_memory_region+0x193/0x1b0 [ 32.793429] ? kvm_arch_sync_events+0x30/0x30 [ 32.797930] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 32.803501] ? mmu_notifier_unregister+0x474/0x600 [ 32.808436] ? trace_hardirqs_on+0x2c0/0x2c0 [ 32.812848] ? kfree+0x111/0x210 [ 32.816219] ? __mmu_notifier_register+0x30/0x30 [ 32.820980] ? __free_pages+0x10a/0x190 [ 32.824962] ? free_unref_page+0x930/0x930 [ 32.829208] kvm_put_kvm+0x73f/0x1060 [ 32.833020] ? kvm_write_guest_cached+0x40/0x40 [ 32.837701] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.842202] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.846698] ? lockdep_hardirqs_on+0x421/0x5c0 [ 32.851292] ? kasan_check_write+0x14/0x20 [ 32.855531] ? do_raw_spin_lock+0xc1/0x200 [ 32.859773] ? kvm_irqfd_release+0xdd/0x120 [ 32.864095] ? kvm_irqfd_release+0xdd/0x120 [ 32.868422] ? kvm_put_kvm+0x1060/0x1060 [ 32.872485] kvm_vm_release+0x42/0x50 [ 32.876814] __fput+0x38a/0xa40 [ 32.880104] ? __alloc_file+0x400/0x400 [ 32.884086] ? check_same_owner+0x340/0x340 [ 32.888425] ? kasan_check_write+0x14/0x20 [ 32.892668] ? do_raw_spin_lock+0xc1/0x200 [ 32.896910] ____fput+0x15/0x20 [ 32.900192] task_work_run+0x1e8/0x2a0 [ 32.904079] ? task_work_cancel+0x240/0x240 [ 32.908407] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 32.913947] ? switch_task_namespaces+0xa2/0xd0 [ 32.918618] do_exit+0x1ae4/0x26e0 [ 32.922163] ? mm_update_next_owner+0x9a0/0x9a0 [ 32.926833] ? kasan_check_read+0x11/0x20 [ 32.930985] ? rcu_pm_notify+0xc0/0xc0 [ 32.934873] ? graph_lock+0x170/0x170 [ 32.938671] ? graph_lock+0x170/0x170 [ 32.942469] ? find_held_lock+0x36/0x1c0 [ 32.946540] ? find_held_lock+0x36/0x1c0 [ 32.950614] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.955107] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.959604] ? lockdep_hardirqs_on+0x421/0x5c0 [ 32.964187] ? trace_hardirqs_on+0xbd/0x2c0 [ 32.968518] ? do_timer_create+0x114b/0x16f0 [ 32.972924] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 32.978028] ? kasan_check_write+0x14/0x20 [ 32.982787] ? do_raw_spin_lock+0xc1/0x200 [ 32.987023] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.991530] ? do_timer_create+0x1150/0x16f0 [ 32.995947] ? __do_compat_sys_clock_adjtime+0x2a0/0x2a0 [ 33.001394] ? lock_downgrade+0x8f0/0x8f0 [ 33.005556] ? check_same_owner+0x340/0x340 [ 33.009877] ? rcu_pm_notify+0xc0/0xc0 [ 33.013773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.019319] ? _copy_from_user+0xdf/0x150 [ 33.023471] do_group_exit+0x177/0x440 [ 33.027372] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.031701] ? __ia32_sys_exit+0x50/0x50 [ 33.035758] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.040864] __x64_sys_exit_group+0x3e/0x50 [ 33.045194] do_syscall_64+0x1b9/0x820 [ 33.049083] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.054451] ? syscall_return_slowpath+0x5e0/0x5e0 [ 33.059385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.064230] ? trace_hardirqs_on_caller+0x2c0/0x2c0 [ 33.069252] ? prepare_exit_to_usermode+0x291/0x3b0 [ 33.074277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.079124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.084310] RIP: 0033:0x43f0b8 [ 33.087510] Code: Bad RIP value. [ 33.090869] RSP: 002b:00007ffe968365f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.098587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f0b8 [ 33.105853] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 33.113122] RBP: 00000000004be968 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 33.120388] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 33.127652] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 33.134922] Modules linked in: [ 33.138115] Dumping ftrace buffer: [ 33.141646] (ftrace buffer empty) [ 33.145356] [ 33.145362] ====================================================== [ 33.145367] WARNING: possible circular locking dependency detected [ 33.145371] 4.19.0-rc2+ #226 Not tainted [ 33.145376] ------------------------------------------------------ [ 33.145381] syz-executor541/4285 is trying to acquire lock: [ 33.145384] 00000000174377b8 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 33.145399] [ 33.145403] but task is already holding lock: [ 33.145406] 00000000835f91da (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 33.145420] [ 33.145424] which lock already depends on the new lock. [ 33.145426] [ 33.145429] [ 33.145434] the existing dependency chain (in reverse order) is: [ 33.145436] [ 33.145438] -> #2 (&rq->lock){-.-.}: [ 33.145452] _raw_spin_lock+0x2a/0x40 [ 33.145456] task_fork_fair+0x93/0x680 [ 33.145459] sched_fork+0x44b/0xbd0 [ 33.145463] copy_process+0x235e/0x7af0 [ 33.145467] _do_fork+0x1ca/0x1170 [ 33.145470] kernel_thread+0x34/0x40 [ 33.145474] rest_init+0x22/0xe4 [ 33.145478] start_kernel+0x913/0x94e [ 33.145482] x86_64_start_reservations+0x29/0x2b [ 33.145486] x86_64_start_kernel+0x76/0x79 [ 33.145498] secondary_startup_64+0xa4/0xb0 [ 33.145500] [ 33.145503] -> #1 (&p->pi_lock){-.-.}: [ 33.145517] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.145521] try_to_wake_up+0xd2/0x1250 [ 33.145525] wake_up_process+0x10/0x20 [ 33.145528] __up.isra.1+0x1c0/0x2a0 [ 33.145532] up+0x13c/0x1c0 [ 33.145536] __up_console_sem+0xbe/0x1b0 [ 33.145540] console_unlock+0x506/0x10e0 [ 33.145544] vprintk_emit+0x33a/0x910 [ 33.145548] vprintk_default+0x28/0x30 [ 33.145552] vprintk_func+0x7a/0x117 [ 33.145555] printk+0xa7/0xcf [ 33.145559] do_exit.cold.22+0x120/0x21f [ 33.145563] do_group_exit+0x177/0x440 [ 33.145567] __x64_sys_exit_group+0x3e/0x50 [ 33.145571] do_syscall_64+0x1b9/0x820 [ 33.145575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.145578] [ 33.145580] -> #0 ((console_sem).lock){-...}: [ 33.145594] lock_acquire+0x1e4/0x4f0 [ 33.145598] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.145602] down_trylock+0x13/0x70 [ 33.145606] __down_trylock_console_sem+0xae/0x200 [ 33.145610] console_trylock+0x15/0xa0 [ 33.145614] vprintk_emit+0x31f/0x910 [ 33.145618] vprintk_default+0x28/0x30 [ 33.145621] vprintk_func+0x7a/0x117 [ 33.145625] printk+0xa7/0xcf [ 33.145629] kasan_die_handler.cold.22+0x11/0x30 [ 33.145634] notifier_call_chain+0x180/0x390 [ 33.145638] atomic_notifier_call_chain+0x98/0x190 [ 33.145642] notify_die+0x1be/0x2e0 [ 33.145646] do_general_protection+0x248/0x2f0 [ 33.145650] general_protection+0x1e/0x30 [ 33.145654] __schedule+0xf48/0x1df0 [ 33.145658] preempt_schedule_common+0x22/0x60 [ 33.145662] _cond_resched+0x1d/0x30 [ 33.145666] __mutex_lock+0x13d/0x1700 [ 33.145669] mutex_lock_nested+0x16/0x20 [ 33.145674] arch_jump_label_transform+0x1b/0x40 [ 33.145678] __jump_label_update+0x16e/0x1a0 [ 33.145682] jump_label_update+0x151/0x2e0 [ 33.145687] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.145691] static_key_slow_dec+0x63/0xa0 [ 33.145695] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.145699] kvm_vcpu_uninit+0x44/0x90 [ 33.145703] vmx_free_vcpu+0x23a/0x300 [ 33.145707] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.145710] kvm_put_kvm+0x73f/0x1060 [ 33.145714] kvm_vm_release+0x42/0x50 [ 33.145718] __fput+0x38a/0xa40 [ 33.145721] ____fput+0x15/0x20 [ 33.145725] task_work_run+0x1e8/0x2a0 [ 33.145728] do_exit+0x1ae4/0x26e0 [ 33.145732] do_group_exit+0x177/0x440 [ 33.145736] __x64_sys_exit_group+0x3e/0x50 [ 33.145740] do_syscall_64+0x1b9/0x820 [ 33.145745] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.145747] [ 33.145751] other info that might help us debug this: [ 33.145753] [ 33.145756] Chain exists of: [ 33.145758] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 33.145776] [ 33.145780] Possible unsafe locking scenario: [ 33.145782] [ 33.145786] CPU0 CPU1 [ 33.145790] ---- ---- [ 33.145792] lock(&rq->lock); [ 33.145802] lock(&p->pi_lock); [ 33.145811] lock(&rq->lock); [ 33.145818] lock((console_sem).lock); [ 33.145826] [ 33.145829] *** DEADLOCK *** [ 33.145831] [ 33.145835] 4 locks held by syz-executor541/4285: [ 33.145838] #0: 000000005b6169f0 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 33.145855] #1: 00000000b34f919a (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 33.145873] #2: 00000000835f91da (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 33.145890] #3: 000000001348a2d6 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 33.145907] [ 33.145910] stack backtrace: [ 33.145916] CPU: 1 PID: 4285 Comm: syz-executor541 Not tainted 4.19.0-rc2+ #226 [ 33.145923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.145926] Call Trace: [ 33.145929] dump_stack+0x1c9/0x2b4 [ 33.145934] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.145938] ? vprintk_func+0x100/0x117 [ 33.145942] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 33.145946] ? save_trace+0xe0/0x290 [ 33.145950] __lock_acquire+0x3449/0x5020 [ 33.145954] ? mark_held_locks+0x160/0x160 [ 33.145958] ? mark_held_locks+0x160/0x160 [ 33.145962] ? update_load_avg+0x389/0x27d0 [ 33.145967] ? __update_load_avg_blocked_se+0x730/0x730 [ 33.145971] ? attach_entity_load_avg+0x860/0x860 [ 33.145975] ? attach_entity_load_avg+0x860/0x860 [ 33.145979] ? graph_lock+0x170/0x170 [ 33.145984] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.145988] lock_acquire+0x1e4/0x4f0 [ 33.145991] ? down_trylock+0x13/0x70 [ 33.145995] ? lock_release+0x9f0/0x9f0 [ 33.145999] ? trace_hardirqs_off+0xb8/0x2c0 [ 33.146003] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.146007] ? trace_hardirqs_off+0xb8/0x2c0 [ 33.146011] ? log_store+0x34f/0x4c0 [ 33.146015] ? vprintk_emit+0x31f/0x910 [ 33.146019] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.146022] ? down_trylock+0x13/0x70 [ 33.146026] down_trylock+0x13/0x70 [ 33.146036] __down_trylock_console_sem+0xae/0x200 [ 33.146040] console_trylock+0x15/0xa0 [ 33.146044] vprintk_emit+0x31f/0x910 [ 33.146048] ? wake_up_klogd+0x110/0x110 [ 33.146052] ? __lock_acquire+0x7fc/0x5020 [ 33.146056] ? mark_held_locks+0x160/0x160 [ 33.146060] vprintk_default+0x28/0x30 [ 33.146064] vprintk_func+0x7a/0x117 [ 33.146067] printk+0xa7/0xcf [ 33.146071] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 33.146076] ? kasan_die_handler.cold.22+0x5/0x30 [ 33.146080] ? kasan_die_handler+0x1a/0x31 [ 33.146084] kasan_die_handler.cold.22+0x11/0x30 [ 33.146088] notifier_call_chain+0x180/0x390 [ 33.146092] ? unregister_die_notifier+0x20/0x20 [ 33.146096] ? rcu_is_watching+0x8c/0x150 [ 33.146100] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 33.146105] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 33.146109] ? cmp_ex_search+0x8c/0xb0 [ 33.146113] atomic_notifier_call_chain+0x98/0x190 [ 33.146117] notify_die+0x1be/0x2e0 [ 33.146121] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 33.146125] ? search_module_extables+0x18/0xc0 [ 33.146129] ? __schedule+0xf48/0x1df0 [ 33.146133] ? __schedule+0xf48/0x1df0 [ 33.146137] ? search_exception_tables+0x47/0x50 [ 33.146142] do_general_protection+0x248/0x2f0 [ 33.146145] general_protection+0x1e/0x30 [ 33.146150] RIP: 0010:__schedule+0xf48/0x1df0 [ 33.146162] 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 6c 40 e6 fa eb 9f 4c 89 e6 48 89 df e8 1f [ 33.146167] RSP: 0018:ffff8801b9a9ea40 EFLAGS: 00010806 [ 33.146175] RAX: 1bd5a00000000022 RBX: ffff8801b8bb2540 RCX: 1ffff10037f8e88f [ 33.146181] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 33.146187] RBP: ffff8801b9a9ec10 R08: ffff8801b8bb2540 R09: fffff520003cd047 [ 33.146192] R10: fffff520003cd047 R11: ffffc90001e6823b R12: ffff8801cf5fa480 [ 33.146198] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 33.146202] ? mark_held_locks+0x160/0x160 [ 33.146206] ? print_usage_bug+0xc0/0xc0 [ 33.146210] ? __sched_text_start+0x8/0x8 [ 33.146214] ? generic_exec_single+0x1ea/0x5e0 [ 33.146218] ? __lock_is_held+0xb5/0x140 [ 33.146222] ? check_same_owner+0x340/0x340 [ 33.146226] ? check_same_owner+0x340/0x340 [ 33.146231] ? smp_call_function_single+0x2d6/0x5c0 [ 33.146234] ? add_nops+0x90/0x90 [ 33.146239] ? arch_jump_label_transform+0x1b/0x40 [ 33.146243] preempt_schedule_common+0x22/0x60 [ 33.146247] _cond_resched+0x1d/0x30 [ 33.146250] __mutex_lock+0x13d/0x1700 [ 33.146254] ? fill_pte+0xd6/0x420 [ 33.146258] ? arch_jump_label_transform+0x1b/0x40 [ 33.146262] ? mutex_trylock+0x2b0/0x2b0 [ 33.146266] ? find_held_lock+0x36/0x1c0 [ 33.146270] ? lock_downgrade+0x8f0/0x8f0 [ 33.146274] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.146279] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.146283] ? text_poke_bp+0x14e/0x1de [ 33.146287] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.146292] ? vmx_set_virtual_apic_mode+0x9f/0x7d0 [ 33.146296] ? vmx_set_virtual_apic_mode+0xa0/0x7d0 [ 33.146300] ? kasan_check_write+0x14/0x20 [ 33.146305] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.146309] ? wait_for_completion+0x8d0/0x8d0 [ 33.146314] ? vmx_set_virtual_apic_mode+0x9f/0x7d0 [ 33.146318] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.146322] ? modules_open+0xa0/0xa0 [ 33.146326] ? kvm_vm_release+0x42/0x50 [ 33.146330] ? get_trap_addr+0x1d0/0x1d0 [ 33.146334] ? do_group_exit+0x177/0x440 [ 33.146339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.146343] ? jump_label_type+0x132/0x1d0 [ 33.146347] ? static_key_count+0x130/0x130 [ 33.146351] mutex_lock_nested+0x16/0x20 [ 33.146355] ? mutex_lock_nested+0x16/0x20 [ 33.146359] arch_jump_label_transform+0x1b/0x40 [ 33.146363] __jump_label_update+0x16e/0x1a0 [ 33.146367] jump_label_update+0x151/0x2e0 [ 33.146372] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.146376] ? static_key_disable+0x30/0x30 [ 33.146380] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.146384] static_key_slow_dec+0x63/0xa0 [ 33.146389] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.146392] kvm_vcpu_uninit+0x44/0x90 [ 33.146396] vmx_free_vcpu+0x23a/0x300 [ 33.146400] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.146404] ? check_memory_region+0x193/0x1b0 [ 33.146406]  [ 33.146414] Lost 74 message(s)! [ 34.173850] ---[ end trace be3e9bd449583ec4 ]--- [ 34.178879] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.183378] 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 6c 40 e6 fa eb 9f 4c 89 e6 48 89 df e8 1f [ 34.202288] RSP: 0018:ffff8801b9a9ea40 EFLAGS: 00010806 [ 34.207662] RAX: 1bd5a00000000022 RBX: ffff8801b8bb2540 RCX: 1ffff10037f8e88f [ 34.214938] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.222217] RBP: ffff8801b9a9ec10 R08: ffff8801b8bb2540 R09: fffff520003cd047 [ 34.229505] R10: fffff520003cd047 R11: ffffc90001e6823b R12: ffff8801cf5fa480 [ 34.236783] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 34.244064] FS: 0000000000bbc880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 34.252295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.258179] CR2: 000000000043f08e CR3: 000000000806a000 CR4: 00000000001426e0 [ 34.265455] Kernel panic - not syncing: Fatal exception [ 35.335253] Shutting down cpus with NMI [ 35.339610] Dumping ftrace buffer: [ 35.343141] (ftrace buffer empty) [ 35.346868] Kernel Offset: disabled [ 35.350483] Rebooting in 86400 seconds..