[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 24.925938] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.437361] random: sshd: uninitialized urandom read (32 bytes read) [ 28.884933] random: sshd: uninitialized urandom read (32 bytes read) [ 29.448698] random: sshd: uninitialized urandom read (32 bytes read) [ 29.634054] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. [ 35.193259] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 35.293518] 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. [ 35.318923] kasan: CONFIG_KASAN_INLINE enabled [ 35.325939] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.333299] general protection fault: 0000 [#1] SMP KASAN [ 35.338833] CPU: 1 PID: 4680 Comm: syz-executor645 Not tainted 4.19.0-rc1+ #216 [ 35.346270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.355666] RIP: 0010:__schedule+0xf48/0x1df0 [ 35.360169] 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 1c 9c e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 35.379072] RSP: 0018:ffff8801b8bfea40 EFLAGS: 00010806 [ 35.384434] RAX: 1bd5a00000000022 RBX: ffff8801b8f68700 RCX: 1ffff100396df88f [ 35.391710] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 35.398991] RBP: ffff8801b8bfec10 R08: ffff8801b8f68700 R09: fffff520003d1a47 [ 35.406258] R10: fffff520003d1a47 R11: ffffc90001e8d23b R12: ffff8801c9b54780 [ 35.413719] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 35.420990] FS: 0000000000a3e880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 35.429214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.435087] CR2: 000000000043ecce CR3: 00000001c996a000 CR4: 00000000001426e0 [ 35.442377] Call Trace: [ 35.444971] ? mark_held_locks+0x160/0x160 [ 35.449201] ? print_usage_bug+0xc0/0xc0 [ 35.453268] ? __sched_text_start+0x8/0x8 [ 35.457422] ? generic_exec_single+0x1ea/0x5e0 [ 35.462015] ? __lock_is_held+0xb5/0x140 [ 35.466079] ? smp_call_function_single+0x43c/0x5c0 [ 35.471095] ? check_same_owner+0x340/0x340 [ 35.475418] ? smp_call_function_single+0x2d6/0x5c0 [ 35.480438] ? add_nops+0x90/0x90 [ 35.483891] ? arch_jump_label_transform+0x1b/0x40 [ 35.488819] preempt_schedule_common+0x22/0x60 [ 35.493417] _cond_resched+0x1d/0x30 [ 35.497131] __mutex_lock+0x13d/0x1700 [ 35.501017] ? fill_pte+0xd6/0x420 [ 35.504553] ? arch_jump_label_transform+0x1b/0x40 [ 35.509483] ? mutex_trylock+0x2b0/0x2b0 [ 35.513538] ? find_held_lock+0x36/0x1c0 [ 35.518121] ? lock_downgrade+0x8f0/0x8f0 [ 35.522265] ? trace_hardirqs_on+0xbd/0x2c0 [ 35.526612] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 35.531719] ? text_poke_bp+0x10c/0x16a [ 35.535691] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 35.540809] ? update_cr8_intercept+0x53/0x230 [ 35.545390] ? update_cr8_intercept+0x54/0x230 [ 35.549975] ? kasan_check_write+0x14/0x20 [ 35.554207] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 35.559136] ? wait_for_completion+0x8d0/0x8d0 [ 35.563729] ? update_cr8_intercept+0x53/0x230 [ 35.568307] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 35.573756] ? modules_open+0xa0/0xa0 [ 35.577555] ? kvm_vm_release+0x42/0x50 [ 35.581551] ? get_trap_addr+0x1d0/0x1d0 [ 35.585624] ? do_group_exit+0x177/0x440 [ 35.589711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.595248] ? jump_label_type+0x132/0x1d0 [ 35.599483] ? static_key_count+0x130/0x130 [ 35.603818] mutex_lock_nested+0x16/0x20 [ 35.607876] ? mutex_lock_nested+0x16/0x20 [ 35.612106] arch_jump_label_transform+0x1b/0x40 [ 35.616860] __jump_label_update+0x16e/0x1a0 [ 35.621269] jump_label_update+0x151/0x2e0 [ 35.625508] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 35.630957] ? static_key_disable+0x30/0x30 [ 35.635283] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.640314] static_key_slow_dec+0x63/0xa0 [ 35.644555] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 35.649072] kvm_vcpu_uninit+0x44/0x90 [ 35.652955] vmx_free_vcpu+0x23a/0x300 [ 35.656839] kvm_arch_destroy_vm+0x365/0x7c0 [ 35.661247] ? check_memory_region+0x113/0x1b0 [ 35.665828] ? kvm_arch_sync_events+0x30/0x30 [ 35.670325] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 35.675902] ? mmu_notifier_unregister+0x474/0x600 [ 35.680829] ? trace_hardirqs_on+0x2c0/0x2c0 [ 35.685236] ? kfree+0x111/0x210 [ 35.688602] ? __mmu_notifier_register+0x30/0x30 [ 35.693356] ? __free_pages+0x10a/0x190 [ 35.697341] ? free_unref_page+0x930/0x930 [ 35.701595] kvm_put_kvm+0x73f/0x1060 [ 35.705416] ? kvm_write_guest_cached+0x40/0x40 [ 35.710086] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.714583] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.719078] ? lockdep_hardirqs_on+0x421/0x5c0 [ 35.723672] ? kasan_check_write+0x14/0x20 [ 35.727907] ? do_raw_spin_lock+0xc1/0x200 [ 35.732142] ? kvm_irqfd_release+0xdd/0x120 [ 35.736458] ? kvm_irqfd_release+0xdd/0x120 [ 35.740792] ? kvm_put_kvm+0x1060/0x1060 [ 35.744850] kvm_vm_release+0x42/0x50 [ 35.748660] __fput+0x38a/0xa40 [ 35.751942] ? __alloc_file+0x400/0x400 [ 35.755940] ? check_same_owner+0x340/0x340 [ 35.760284] ? kasan_check_write+0x14/0x20 [ 35.764550] ? do_raw_spin_lock+0xc1/0x200 [ 35.768783] ____fput+0x15/0x20 [ 35.772058] task_work_run+0x1e8/0x2a0 [ 35.775947] ? task_work_cancel+0x240/0x240 [ 35.780273] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 35.785807] ? switch_task_namespaces+0xa2/0xd0 [ 35.790473] do_exit+0x1ae4/0x26e0 [ 35.794013] ? mm_update_next_owner+0x9a0/0x9a0 [ 35.798689] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 35.802937] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.807972] ? kfree+0x1d7/0x210 [ 35.811339] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 35.815574] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 35.821285] ? is_bpf_text_address+0xd7/0x170 [ 35.825778] ? kernel_text_address+0x79/0xf0 [ 35.830195] ? __kernel_text_address+0xd/0x40 [ 35.834695] ? unwind_get_return_address+0x61/0xa0 [ 35.839628] ? __save_stack_trace+0x8d/0xf0 [ 35.843961] ? save_stack+0xa9/0xd0 [ 35.847586] ? save_stack+0x43/0xd0 [ 35.851211] ? __kasan_slab_free+0x11a/0x170 [ 35.855616] ? kasan_slab_free+0xe/0x10 [ 35.859597] ? putname+0xf2/0x130 [ 35.863047] ? __x64_sys_openat+0x9d/0x100 [ 35.867281] ? do_syscall_64+0x1b9/0x820 [ 35.871339] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.876712] ? trace_hardirqs_off+0xb8/0x2b0 [ 35.881126] ? kasan_check_read+0x11/0x20 [ 35.885270] ? do_raw_spin_unlock+0xa7/0x2f0 [ 35.889677] ? trace_hardirqs_on+0x2c0/0x2c0 [ 35.894085] ? initcall_blacklisted+0x9a/0x1e0 [ 35.898682] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 35.903790] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 35.909503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.915050] ? do_vfs_ioctl+0x201/0x1720 [ 35.919137] ? rcu_is_watching+0x8c/0x150 [ 35.923279] ? trace_hardirqs_on+0xbd/0x2c0 [ 35.927599] ? ioctl_preallocate+0x300/0x300 [ 35.932005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.937540] ? __fget_light+0x2f7/0x440 [ 35.941512] ? fget_raw+0x20/0x20 [ 35.944960] ? putname+0xf2/0x130 [ 35.948420] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.953437] ? kmem_cache_free+0x246/0x280 [ 35.957688] ? putname+0xf7/0x130 [ 35.961145] do_group_exit+0x177/0x440 [ 35.965044] ? trace_hardirqs_on+0xbd/0x2c0 [ 35.969365] ? __ia32_sys_exit+0x50/0x50 [ 35.973424] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 35.978520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.984060] ? ksys_ioctl+0x81/0xd0 [ 35.987684] __x64_sys_exit_group+0x3e/0x50 [ 35.992004] do_syscall_64+0x1b9/0x820 [ 35.995901] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.001264] ? syscall_return_slowpath+0x5e0/0x5e0 [ 36.006188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.011027] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 36.016037] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 36.021064] ? prepare_exit_to_usermode+0x291/0x3b0 [ 36.026079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.030919] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.036105] RIP: 0033:0x43ecf8 [ 36.039316] Code: Bad RIP value. [ 36.042677] RSP: 002b:00007fffe2a36b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.050379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ecf8 [ 36.057639] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 36.064911] RBP: 00000000004be5a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 36.072182] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 36.079445] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 36.086713] Modules linked in: [ 36.089903] Dumping ftrace buffer: [ 36.093463] (ftrace buffer empty) [ 36.097170] [ 36.097175] ====================================================== [ 36.097180] WARNING: possible circular locking dependency detected [ 36.097184] 4.19.0-rc1+ #216 Not tainted [ 36.097189] ------------------------------------------------------ [ 36.097194] syz-executor645/4680 is trying to acquire lock: [ 36.097197] 00000000a25e5980 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 36.097212] [ 36.097216] but task is already holding lock: [ 36.097218] 0000000084eba3dd (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 36.097232] [ 36.097237] which lock already depends on the new lock. [ 36.097239] [ 36.097241] [ 36.097246] the existing dependency chain (in reverse order) is: [ 36.097249] [ 36.097251] -> #2 (&rq->lock){-.-.}: [ 36.097264] _raw_spin_lock+0x2a/0x40 [ 36.097268] task_fork_fair+0x93/0x680 [ 36.097272] sched_fork+0x44b/0xbd0 [ 36.097276] copy_process+0x235e/0x7ad0 [ 36.097279] _do_fork+0x1ca/0x1170 [ 36.097283] kernel_thread+0x34/0x40 [ 36.097287] rest_init+0x22/0xe4 [ 36.097290] start_kernel+0x913/0x94e [ 36.097295] x86_64_start_reservations+0x29/0x2b [ 36.097299] x86_64_start_kernel+0x76/0x79 [ 36.097303] secondary_startup_64+0xa4/0xb0 [ 36.097305] [ 36.097307] -> #1 (&p->pi_lock){-.-.}: [ 36.097322] _raw_spin_lock_irqsave+0x96/0xc0 [ 36.097325] try_to_wake_up+0xd2/0x1250 [ 36.097329] wake_up_process+0x10/0x20 [ 36.097333] __up.isra.1+0x1c0/0x2a0 [ 36.097336] up+0x13c/0x1c0 [ 36.097340] __up_console_sem+0xbe/0x1b0 [ 36.097344] console_unlock+0x506/0x10d0 [ 36.097348] vprintk_emit+0x33a/0x910 [ 36.097352] vprintk_default+0x28/0x30 [ 36.097355] vprintk_func+0x7a/0x117 [ 36.097359] printk+0xa7/0xcf [ 36.097363] do_exit.cold.22+0x120/0x21f [ 36.097366] do_group_exit+0x177/0x440 [ 36.097371] __x64_sys_exit_group+0x3e/0x50 [ 36.097374] do_syscall_64+0x1b9/0x820 [ 36.097379] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.097381] [ 36.097383] -> #0 ((console_sem).lock){-...}: [ 36.097397] lock_acquire+0x1e4/0x4f0 [ 36.097401] _raw_spin_lock_irqsave+0x96/0xc0 [ 36.097405] down_trylock+0x13/0x70 [ 36.097416] __down_trylock_console_sem+0xae/0x200 [ 36.097419] console_trylock+0x15/0xa0 [ 36.097423] vprintk_emit+0x31f/0x910 [ 36.097427] vprintk_default+0x28/0x30 [ 36.097431] vprintk_func+0x7a/0x117 [ 36.097434] printk+0xa7/0xcf [ 36.097438] kasan_die_handler.cold.22+0x11/0x30 [ 36.097442] notifier_call_chain+0x180/0x390 [ 36.097447] atomic_notifier_call_chain+0x98/0x190 [ 36.097450] notify_die+0x1be/0x2e0 [ 36.097454] do_general_protection+0x248/0x2f0 [ 36.097458] general_protection+0x1e/0x30 [ 36.097462] __schedule+0xf48/0x1df0 [ 36.097466] preempt_schedule_common+0x22/0x60 [ 36.097470] _cond_resched+0x1d/0x30 [ 36.097474] __mutex_lock+0x13d/0x1700 [ 36.097478] mutex_lock_nested+0x16/0x20 [ 36.097482] arch_jump_label_transform+0x1b/0x40 [ 36.097486] __jump_label_update+0x16e/0x1a0 [ 36.097490] jump_label_update+0x151/0x2e0 [ 36.097495] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.097499] static_key_slow_dec+0x63/0xa0 [ 36.097503] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 36.097507] kvm_vcpu_uninit+0x44/0x90 [ 36.097511] vmx_free_vcpu+0x23a/0x300 [ 36.097515] kvm_arch_destroy_vm+0x365/0x7c0 [ 36.097519] kvm_put_kvm+0x73f/0x1060 [ 36.097523] kvm_vm_release+0x42/0x50 [ 36.097526] __fput+0x38a/0xa40 [ 36.097530] ____fput+0x15/0x20 [ 36.097534] task_work_run+0x1e8/0x2a0 [ 36.097537] do_exit+0x1ae4/0x26e0 [ 36.097541] do_group_exit+0x177/0x440 [ 36.097545] __x64_sys_exit_group+0x3e/0x50 [ 36.097549] do_syscall_64+0x1b9/0x820 [ 36.097553] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.097556] [ 36.097560] other info that might help us debug this: [ 36.097562] [ 36.097565] Chain exists of: [ 36.097567] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 36.097585] [ 36.097589] Possible unsafe locking scenario: [ 36.097591] [ 36.097595] CPU0 CPU1 [ 36.097599] ---- ---- [ 36.097601] lock(&rq->lock); [ 36.097610] lock(&p->pi_lock); [ 36.097619] lock(&rq->lock); [ 36.097627] lock((console_sem).lock); [ 36.097634] [ 36.097637] *** DEADLOCK *** [ 36.097640] [ 36.097653] 4 locks held by syz-executor645/4680: [ 36.097656] #0: 0000000042dd7398 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 36.097673] #1: 00000000071f93fe (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 36.097691] #2: 0000000084eba3dd (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 36.097707] #3: 00000000288cb089 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 36.097725] [ 36.097728] stack backtrace: [ 36.097733] CPU: 1 PID: 4680 Comm: syz-executor645 Not tainted 4.19.0-rc1+ #216 [ 36.097740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.097743] Call Trace: [ 36.097747] dump_stack+0x1c9/0x2b4 [ 36.097752] ? dump_stack_print_info.cold.2+0x52/0x52 [ 36.097755] ? vprintk_func+0x100/0x117 [ 36.097760] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 36.097764] ? save_trace+0xe0/0x290 [ 36.097768] __lock_acquire+0x3449/0x5020 [ 36.097772] ? mark_held_locks+0x160/0x160 [ 36.097776] ? mark_held_locks+0x160/0x160 [ 36.097780] ? update_load_avg+0x389/0x27d0 [ 36.097784] ? __update_load_avg_blocked_se+0x730/0x730 [ 36.097788] ? attach_entity_load_avg+0x860/0x860 [ 36.097792] ? graph_lock+0x170/0x170 [ 36.097796] ? attach_entity_load_avg+0x860/0x860 [ 36.097800] ? graph_lock+0x170/0x170 [ 36.097805] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.097809] lock_acquire+0x1e4/0x4f0 [ 36.097812] ? down_trylock+0x13/0x70 [ 36.097816] ? lock_release+0x9f0/0x9f0 [ 36.097820] ? trace_hardirqs_off+0xb8/0x2b0 [ 36.097824] ? trace_hardirqs_on+0x2c0/0x2c0 [ 36.097828] ? trace_hardirqs_off+0xb8/0x2b0 [ 36.097832] ? log_store+0x34f/0x4c0 [ 36.097835] ? vprintk_emit+0x31f/0x910 [ 36.097839] _raw_spin_lock_irqsave+0x96/0xc0 [ 36.097843] ? down_trylock+0x13/0x70 [ 36.097847] down_trylock+0x13/0x70 [ 36.097851] __down_trylock_console_sem+0xae/0x200 [ 36.097855] console_trylock+0x15/0xa0 [ 36.097858] vprintk_emit+0x31f/0x910 [ 36.097862] ? wake_up_klogd+0x110/0x110 [ 36.097866] ? __lock_acquire+0x7fc/0x5020 [ 36.097870] ? mark_held_locks+0x160/0x160 [ 36.097874] vprintk_default+0x28/0x30 [ 36.097877] vprintk_func+0x7a/0x117 [ 36.097881] printk+0xa7/0xcf [ 36.097885] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 36.097889] ? kasan_die_handler.cold.22+0x5/0x30 [ 36.097893] ? kasan_die_handler+0x1a/0x31 [ 36.097897] kasan_die_handler.cold.22+0x11/0x30 [ 36.097901] notifier_call_chain+0x180/0x390 [ 36.097905] ? unregister_die_notifier+0x20/0x20 [ 36.097909] ? rcu_is_watching+0x8c/0x150 [ 36.097914] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 36.097919] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 36.097922] ? cmp_ex_search+0x8c/0xb0 [ 36.097927] atomic_notifier_call_chain+0x98/0x190 [ 36.097930] notify_die+0x1be/0x2e0 [ 36.097935] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 36.097939] ? search_module_extables+0x18/0xc0 [ 36.097943] ? __schedule+0xf48/0x1df0 [ 36.097946] ? __schedule+0xf48/0x1df0 [ 36.097950] ? search_exception_tables+0x47/0x50 [ 36.097954] do_general_protection+0x248/0x2f0 [ 36.097958] general_protection+0x1e/0x30 [ 36.097962] RIP: 0010:__schedule+0xf48/0x1df0 [ 36.097975] 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 1c 9c e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 36.097979] RSP: 0018:ffff8801b8bfea40 EFLAGS: 00010806 [ 36.097987] RAX: 1bd5a00000000022 RBX: ffff8801b8f68700 RCX: 1ffff100396df88f [ 36.097993] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 36.097999] RBP: ffff8801b8bfec10 R08: ffff8801b8f68700 R09: fffff520003d1a47 [ 36.098004] R10: fffff520003d1a47 R11: ffffc90001e8d23b R12: ffff8801c9b54780 [ 36.098010] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 36.098014] ? mark_held_locks+0x160/0x160 [ 36.098018] ? print_usage_bug+0xc0/0xc0 [ 36.098022] ? __sched_text_start+0x8/0x8 [ 36.098026] ? generic_exec_single+0x1ea/0x5e0 [ 36.098030] ? __lock_is_held+0xb5/0x140 [ 36.098035] ? smp_call_function_single+0x43c/0x5c0 [ 36.098039] ? check_same_owner+0x340/0x340 [ 36.098043] ? smp_call_function_single+0x2d6/0x5c0 [ 36.098047] ? add_nops+0x90/0x90 [ 36.098051] ? arch_jump_label_transform+0x1b/0x40 [ 36.098055] preempt_schedule_common+0x22/0x60 [ 36.098059] _cond_resched+0x1d/0x30 [ 36.098063] __mutex_lock+0x13d/0x1700 [ 36.098066] ? fill_pte+0xd6/0x420 [ 36.098071] ? arch_jump_label_transform+0x1b/0x40 [ 36.098075] ? mutex_trylock+0x2b0/0x2b0 [ 36.098079] ? find_held_lock+0x36/0x1c0 [ 36.098083] ? lock_downgrade+0x8f0/0x8f0 [ 36.098087] ? trace_hardirqs_on+0xbd/0x2c0 [ 36.098091] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 36.098095] ? text_poke_bp+0x10c/0x16a [ 36.098099] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 36.098103] ? update_cr8_intercept+0x53/0x230 [ 36.098107] ? update_cr8_intercept+0x54/0x230 [ 36.098111] ? kasan_check_write+0x14/0x20 [ 36.098116] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 36.098120] ? wait_for_completion+0x8d0/0x8d0 [ 36.098124] ? update_cr8_intercept+0x53/0x230 [ 36.098128] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 36.098132] ? modules_open+0xa0/0xa0 [ 36.098136] ? kvm_vm_release+0x42/0x50 [ 36.098140] ? get_trap_addr+0x1d0/0x1d0 [ 36.098143] ? do_group_exit+0x177/0x440 [ 36.098148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.098152] ? jump_label_type+0x132/0x1d0 [ 36.098156] ? static_key_count+0x130/0x130 [ 36.098160] mutex_lock_nested+0x16/0x20 [ 36.098164] ? mutex_lock_nested+0x16/0x20 [ 36.098168] arch_jump_label_transform+0x1b/0x40 [ 36.098172] __jump_label_update+0x16e/0x1a0 [ 36.098176] jump_label_update+0x151/0x2e0 [ 36.098180] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.098184] ? static_key_disable+0x30/0x30 [ 36.098189] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.098193] static_key_slow_dec+0x63/0xa0 [ 36.098197] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 36.098200] kvm_vcpu_uninit+0x44/0x90 [ 36.098204] vmx_free_vcpu+0x23a/0x300 [ 36.098208] kvm_arch_destroy_vm+0x365/0x7c0 [ 36.098211] ? check_memory [ 36.098218] Lost 93 message(s)! [ 37.124107] ---[ end trace 71524a20c7b6c259 ]--- [ 37.128867] RIP: 0010:__schedule+0xf48/0x1df0 [ 37.133363] 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 1c 9c e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 37.152259] RSP: 0018:ffff8801b8bfea40 EFLAGS: 00010806 [ 37.157616] RAX: 1bd5a00000000022 RBX: ffff8801b8f68700 RCX: 1ffff100396df88f [ 37.164913] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 37.172182] RBP: ffff8801b8bfec10 R08: ffff8801b8f68700 R09: fffff520003d1a47 [ 37.179445] R10: fffff520003d1a47 R11: ffffc90001e8d23b R12: ffff8801c9b54780 [ 37.186707] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc80 [ 37.193975] FS: 0000000000a3e880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 37.202192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.208065] CR2: 000000000043ecce CR3: 00000001c996a000 CR4: 00000000001426e0 [ 37.215328] Kernel panic - not syncing: Fatal exception [ 38.329639] Shutting down cpus with NMI [ 38.333977] Dumping ftrace buffer: [ 38.337504] (ftrace buffer empty) [ 38.341198] Kernel Offset: disabled [ 38.344822] Rebooting in 86400 seconds..