[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 23.479290] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.220415] random: sshd: uninitialized urandom read (32 bytes read) [ 26.516593] random: sshd: uninitialized urandom read (32 bytes read) [ 27.051339] random: sshd: uninitialized urandom read (32 bytes read) [ 27.227329] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. [ 32.763136] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 32.860754] 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. [ 32.899614] kasan: CONFIG_KASAN_INLINE enabled [ 32.906589] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.913944] general protection fault: 0000 [#1] SMP KASAN [ 32.919479] CPU: 0 PID: 4636 Comm: syz-executor264 Not tainted 4.19.0-rc2+ #220 [ 32.926914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.936272] RIP: 0010:__schedule+0xf48/0x1df0 [ 32.940764] 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 9a e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 32.959659] RSP: 0018:ffff8801b6e1ea40 EFLAGS: 00010806 [ 32.965023] RAX: 1bd5a00000000022 RBX: ffff8801bbade200 RCX: 1ffff10036d3188f [ 32.972286] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 32.979549] RBP: ffff8801b6e1ec10 R08: ffff8801bbade200 R09: fffff520003d2a47 [ 32.986811] R10: fffff520003d2a47 R11: ffffc90001e9523b R12: ffff8801ce6965c0 [ 32.994075] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 33.001341] FS: 000000000246d880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 33.009562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.015436] CR2: 000000000043efae CR3: 000000000806a000 CR4: 00000000001426f0 [ 33.022701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.029966] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.037232] Call Trace: [ 33.039828] ? __sched_text_start+0x8/0x8 [ 33.043993] ? generic_exec_single+0x1ea/0x5e0 [ 33.048578] ? __lock_is_held+0xb5/0x140 [ 33.052656] ? check_same_owner+0x340/0x340 [ 33.056975] ? check_same_owner+0x340/0x340 [ 33.061310] ? smp_call_function_single+0x2d6/0x5c0 [ 33.066325] ? add_nops+0x90/0x90 [ 33.069782] ? arch_jump_label_transform+0x1b/0x40 [ 33.074710] preempt_schedule_common+0x22/0x60 [ 33.079292] _cond_resched+0x1d/0x30 [ 33.083019] __mutex_lock+0x13d/0x1700 [ 33.086903] ? fill_pte+0xd6/0x420 [ 33.090440] ? arch_jump_label_transform+0x1b/0x40 [ 33.095367] ? mutex_trylock+0x2b0/0x2b0 [ 33.099422] ? find_held_lock+0x36/0x1c0 [ 33.103484] ? lock_downgrade+0x8f0/0x8f0 [ 33.107632] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.111948] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.117046] ? text_poke_bp+0x14e/0x1de [ 33.121026] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.126129] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 33.131669] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1f/0x3a0 [ 33.137207] ? kasan_check_write+0x14/0x20 [ 33.141438] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.146369] ? wait_for_completion+0x8d0/0x8d0 [ 33.150952] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 33.156494] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.161938] ? modules_open+0xa0/0xa0 [ 33.165738] ? kvm_vm_release+0x42/0x50 [ 33.169709] ? get_trap_addr+0x1d0/0x1d0 [ 33.173767] ? do_group_exit+0x177/0x440 [ 33.177829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.183373] ? jump_label_type+0x132/0x1d0 [ 33.187611] ? static_key_count+0x130/0x130 [ 33.191937] mutex_lock_nested+0x16/0x20 [ 33.196011] ? mutex_lock_nested+0x16/0x20 [ 33.200249] arch_jump_label_transform+0x1b/0x40 [ 33.205016] __jump_label_update+0x16e/0x1a0 [ 33.209425] jump_label_update+0x151/0x2e0 [ 33.213661] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.219109] ? static_key_disable+0x30/0x30 [ 33.223430] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.228449] static_key_slow_dec+0x63/0xa0 [ 33.232680] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.237173] kvm_vcpu_uninit+0x44/0x90 [ 33.241065] vmx_free_vcpu+0x23a/0x300 [ 33.244952] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.249367] ? check_memory_region+0x173/0x1b0 [ 33.253945] ? kvm_arch_sync_events+0x30/0x30 [ 33.258444] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.263981] ? mmu_notifier_unregister+0x474/0x600 [ 33.268920] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.273321] ? kfree+0x111/0x210 [ 33.276684] ? __mmu_notifier_register+0x30/0x30 [ 33.281437] ? __free_pages+0x10a/0x190 [ 33.285411] ? free_unref_page+0x930/0x930 [ 33.289650] kvm_put_kvm+0x73f/0x1060 [ 33.293457] ? kvm_write_guest_cached+0x40/0x40 [ 33.298126] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.302651] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.307156] ? lockdep_hardirqs_on+0x421/0x5c0 [ 33.311739] ? kasan_check_write+0x14/0x20 [ 33.315969] ? do_raw_spin_lock+0xc1/0x200 [ 33.320215] ? kvm_irqfd_release+0xdd/0x120 [ 33.324551] ? kvm_irqfd_release+0xdd/0x120 [ 33.328870] ? kvm_put_kvm+0x1060/0x1060 [ 33.332927] kvm_vm_release+0x42/0x50 [ 33.336724] __fput+0x38a/0xa40 [ 33.340015] ? __alloc_file+0x400/0x400 [ 33.344000] ? check_same_owner+0x340/0x340 [ 33.348324] ? kasan_check_write+0x14/0x20 [ 33.352554] ? do_raw_spin_lock+0xc1/0x200 [ 33.356788] ____fput+0x15/0x20 [ 33.360064] task_work_run+0x1e8/0x2a0 [ 33.363948] ? task_work_cancel+0x240/0x240 [ 33.368270] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.373802] ? switch_task_namespaces+0xa2/0xd0 [ 33.378474] do_exit+0x1ae4/0x26e0 [ 33.382024] ? find_held_lock+0x36/0x1c0 [ 33.386089] ? mm_update_next_owner+0x9a0/0x9a0 [ 33.390751] ? lock_downgrade+0x8f0/0x8f0 [ 33.394896] ? rcu_is_watching+0x8c/0x150 [ 33.399041] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 33.403704] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 33.408369] ? zap_class+0x740/0x740 [ 33.412086] ? is_bpf_text_address+0xd7/0x170 [ 33.416578] ? kernel_text_address+0x79/0xf0 [ 33.420979] ? __kernel_text_address+0xd/0x40 [ 33.425484] ? unwind_get_return_address+0x61/0xa0 [ 33.430415] ? __save_stack_trace+0x8d/0xf0 [ 33.434738] ? save_stack+0xa9/0xd0 [ 33.438360] ? save_stack+0x43/0xd0 [ 33.441980] ? __kasan_slab_free+0x11a/0x170 [ 33.446398] ? kasan_slab_free+0xe/0x10 [ 33.450369] ? kmem_cache_free+0x86/0x280 [ 33.454512] ? putname+0xf2/0x130 [ 33.457964] ? __x64_sys_openat+0x9d/0x100 [ 33.462206] ? do_syscall_64+0x1b9/0x820 [ 33.466264] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.471627] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.476038] ? kasan_check_read+0x11/0x20 [ 33.480184] ? do_raw_spin_unlock+0xa7/0x2f0 [ 33.484585] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.488999] ? kasan_check_write+0x14/0x20 [ 33.493242] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.497645] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 33.502743] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.507146] ? kmem_cache_free+0xa0/0x280 [ 33.511293] ? kasan_check_read+0x11/0x20 [ 33.515440] ? rcu_is_watching+0x8c/0x150 [ 33.519583] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.523902] ? rcu_pm_notify+0xc0/0xc0 [ 33.527789] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 33.532803] ? __fget_light+0x2f7/0x440 [ 33.536775] ? fget_raw+0x20/0x20 [ 33.540225] ? putname+0xf2/0x130 [ 33.543679] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.548689] ? kmem_cache_free+0x246/0x280 [ 33.552921] ? putname+0xf7/0x130 [ 33.556374] do_group_exit+0x177/0x440 [ 33.560261] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.564597] ? __ia32_sys_exit+0x50/0x50 [ 33.568653] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.573757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.579290] ? ksys_ioctl+0x81/0xd0 [ 33.582913] __x64_sys_exit_group+0x3e/0x50 [ 33.587232] do_syscall_64+0x1b9/0x820 [ 33.591117] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.596477] ? syscall_return_slowpath+0x5e0/0x5e0 [ 33.601400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.606269] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 33.611284] ? prepare_exit_to_usermode+0x291/0x3b0 [ 33.616298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.621142] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.626329] RIP: 0033:0x43efd8 [ 33.629522] Code: Bad RIP value. [ 33.632883] RSP: 002b:00007ffdc4f62298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.640589] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043efd8 [ 33.647852] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 33.655116] RBP: 00000000004be888 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 33.662831] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 33.670094] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 33.677366] Modules linked in: [ 33.680563] Dumping ftrace buffer: [ 33.684093] (ftrace buffer empty) [ 33.687797] [ 33.687803] ====================================================== [ 33.687808] WARNING: possible circular locking dependency detected [ 33.687812] 4.19.0-rc2+ #220 Not tainted [ 33.687817] ------------------------------------------------------ [ 33.687822] syz-executor264/4636 is trying to acquire lock: [ 33.687826] 000000002ce6dd8b ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 33.687840] [ 33.687844] but task is already holding lock: [ 33.687848] 0000000043230501 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 33.687861] [ 33.687866] which lock already depends on the new lock. [ 33.687868] [ 33.687871] [ 33.687876] the existing dependency chain (in reverse order) is: [ 33.687878] [ 33.687880] -> #2 (&rq->lock){-.-.}: [ 33.687894] _raw_spin_lock+0x2a/0x40 [ 33.687898] task_fork_fair+0x93/0x680 [ 33.687902] sched_fork+0x44b/0xbd0 [ 33.687906] copy_process+0x235e/0x7ad0 [ 33.687910] _do_fork+0x1ca/0x1170 [ 33.687913] kernel_thread+0x34/0x40 [ 33.687917] rest_init+0x22/0xe4 [ 33.687921] start_kernel+0x913/0x94e [ 33.687925] x86_64_start_reservations+0x29/0x2b [ 33.687929] x86_64_start_kernel+0x76/0x79 [ 33.687934] secondary_startup_64+0xa4/0xb0 [ 33.687936] [ 33.687938] -> #1 (&p->pi_lock){-.-.}: [ 33.687952] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.687956] try_to_wake_up+0xd2/0x1250 [ 33.687960] wake_up_process+0x10/0x20 [ 33.687964] __up.isra.1+0x1c0/0x2a0 [ 33.687967] up+0x13c/0x1c0 [ 33.687971] __up_console_sem+0xbe/0x1b0 [ 33.687975] console_unlock+0x506/0x10d0 [ 33.687979] vprintk_emit+0x33a/0x910 [ 33.687992] vprintk_default+0x28/0x30 [ 33.687996] vprintk_func+0x7a/0x117 [ 33.687999] printk+0xa7/0xcf [ 33.688003] do_exit.cold.22+0x120/0x21f [ 33.688013] do_group_exit+0x177/0x440 [ 33.688017] __x64_sys_exit_group+0x3e/0x50 [ 33.688021] do_syscall_64+0x1b9/0x820 [ 33.688026] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.688028] [ 33.688030] -> #0 ((console_sem).lock){-...}: [ 33.688045] lock_acquire+0x1e4/0x4f0 [ 33.688049] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.688053] down_trylock+0x13/0x70 [ 33.688057] __down_trylock_console_sem+0xae/0x200 [ 33.688061] console_trylock+0x15/0xa0 [ 33.688065] vprintk_emit+0x31f/0x910 [ 33.688069] vprintk_default+0x28/0x30 [ 33.688073] vprintk_func+0x7a/0x117 [ 33.688076] printk+0xa7/0xcf [ 33.688081] kasan_die_handler.cold.22+0x11/0x30 [ 33.688085] notifier_call_chain+0x180/0x390 [ 33.688089] atomic_notifier_call_chain+0x98/0x190 [ 33.688093] notify_die+0x1be/0x2e0 [ 33.688097] do_general_protection+0x248/0x2f0 [ 33.688101] general_protection+0x1e/0x30 [ 33.688105] __schedule+0xf48/0x1df0 [ 33.688110] preempt_schedule_common+0x22/0x60 [ 33.688113] _cond_resched+0x1d/0x30 [ 33.688117] __mutex_lock+0x13d/0x1700 [ 33.688121] mutex_lock_nested+0x16/0x20 [ 33.688126] arch_jump_label_transform+0x1b/0x40 [ 33.688130] __jump_label_update+0x16e/0x1a0 [ 33.688134] jump_label_update+0x151/0x2e0 [ 33.688139] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.688143] static_key_slow_dec+0x63/0xa0 [ 33.688147] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.688151] kvm_vcpu_uninit+0x44/0x90 [ 33.688155] vmx_free_vcpu+0x23a/0x300 [ 33.688159] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.688163] kvm_put_kvm+0x73f/0x1060 [ 33.688167] kvm_vm_release+0x42/0x50 [ 33.688171] __fput+0x38a/0xa40 [ 33.688174] ____fput+0x15/0x20 [ 33.688178] task_work_run+0x1e8/0x2a0 [ 33.688182] do_exit+0x1ae4/0x26e0 [ 33.688185] do_group_exit+0x177/0x440 [ 33.688190] __x64_sys_exit_group+0x3e/0x50 [ 33.688194] do_syscall_64+0x1b9/0x820 [ 33.688198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.688200] [ 33.688205] other info that might help us debug this: [ 33.688207] [ 33.688210] Chain exists of: [ 33.688212] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 33.688230] [ 33.688234] Possible unsafe locking scenario: [ 33.688236] [ 33.688241] CPU0 CPU1 [ 33.688245] ---- ---- [ 33.688247] lock(&rq->lock); [ 33.688256] lock(&p->pi_lock); [ 33.688266] lock(&rq->lock); [ 33.688273] lock((console_sem).lock); [ 33.688281] [ 33.688284] *** DEADLOCK *** [ 33.688287] [ 33.688291] 4 locks held by syz-executor264/4636: [ 33.688293] #0: 00000000e28902eb (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 33.688311] #1: 00000000c734ce9f (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 33.688329] #2: 0000000043230501 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 33.688346] #3: 00000000d6615adc (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 33.688364] [ 33.688367] stack backtrace: [ 33.688373] CPU: 0 PID: 4636 Comm: syz-executor264 Not tainted 4.19.0-rc2+ #220 [ 33.688380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.688383] Call Trace: [ 33.688387] dump_stack+0x1c9/0x2b4 [ 33.688392] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.688396] ? vprintk_func+0x100/0x117 [ 33.688401] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 33.688404] ? save_trace+0xe0/0x290 [ 33.688408] __lock_acquire+0x3449/0x5020 [ 33.688412] ? mark_held_locks+0x160/0x160 [ 33.688416] ? mark_held_locks+0x160/0x160 [ 33.688421] ? update_load_avg+0x389/0x27d0 [ 33.688425] ? __update_load_avg_blocked_se+0x730/0x730 [ 33.688430] ? attach_entity_load_avg+0x860/0x860 [ 33.688433] ? graph_lock+0x170/0x170 [ 33.688438] ? attach_entity_load_avg+0x860/0x860 [ 33.688442] ? graph_lock+0x170/0x170 [ 33.688447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.688450] lock_acquire+0x1e4/0x4f0 [ 33.688454] ? down_trylock+0x13/0x70 [ 33.688458] ? lock_release+0x9f0/0x9f0 [ 33.688462] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.688467] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.688471] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.688474] ? log_store+0x34f/0x4c0 [ 33.688478] ? vprintk_emit+0x31f/0x910 [ 33.688483] _raw_spin_lock_irqsave+0x96/0xc0 [ 33.688486] ? down_trylock+0x13/0x70 [ 33.688490] down_trylock+0x13/0x70 [ 33.688494] __down_trylock_console_sem+0xae/0x200 [ 33.688498] console_trylock+0x15/0xa0 [ 33.688502] vprintk_emit+0x31f/0x910 [ 33.688506] ? wake_up_klogd+0x110/0x110 [ 33.688511] ? __lock_acquire+0x7fc/0x5020 [ 33.688515] ? mark_held_locks+0x160/0x160 [ 33.688519] vprintk_default+0x28/0x30 [ 33.688522] vprintk_func+0x7a/0x117 [ 33.688526] printk+0xa7/0xcf [ 33.688530] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 33.688535] ? perf_event_update_userpage+0xd30/0xd30 [ 33.688539] ? kasan_die_handler.cold.22+0x5/0x30 [ 33.688543] ? kasan_die_handler+0x1a/0x31 [ 33.688548] kasan_die_handler.cold.22+0x11/0x30 [ 33.688552] notifier_call_chain+0x180/0x390 [ 33.688556] ? unregister_die_notifier+0x20/0x20 [ 33.688560] ? rcu_is_watching+0x8c/0x150 [ 33.688565] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 33.688569] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 33.688573] ? cmp_ex_search+0x8c/0xb0 [ 33.688577] atomic_notifier_call_chain+0x98/0x190 [ 33.688581] notify_die+0x1be/0x2e0 [ 33.688586] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 33.688590] ? search_module_extables+0x18/0xc0 [ 33.688594] ? __schedule+0xf48/0x1df0 [ 33.688598] ? __schedule+0xf48/0x1df0 [ 33.688602] ? search_exception_tables+0x47/0x50 [ 33.688606] do_general_protection+0x248/0x2f0 [ 33.688610] general_protection+0x1e/0x30 [ 33.688615] RIP: 0010:__schedule+0xf48/0x1df0 [ 33.688628] 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 9a e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 33.688632] RSP: 0018:ffff8801b6e1ea40 EFLAGS: 00010806 [ 33.688640] RAX: 1bd5a00000000022 RBX: ffff8801bbade200 RCX: 1ffff10036d3188f [ 33.688646] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 33.688652] RBP: ffff8801b6e1ec10 R08: ffff8801bbade200 R09: fffff520003d2a47 [ 33.688658] R10: fffff520003d2a47 R11: ffffc90001e9523b R12: ffff8801ce6965c0 [ 33.688664] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 33.688668] ? __sched_text_start+0x8/0x8 [ 33.688672] ? generic_exec_single+0x1ea/0x5e0 [ 33.688676] ? __lock_is_held+0xb5/0x140 [ 33.688680] ? check_same_owner+0x340/0x340 [ 33.688685] ? check_same_owner+0x340/0x340 [ 33.688689] ? smp_call_function_single+0x2d6/0x5c0 [ 33.688693] ? add_nops+0x90/0x90 [ 33.688697] ? arch_jump_label_transform+0x1b/0x40 [ 33.688702] preempt_schedule_common+0x22/0x60 [ 33.688706] _cond_resched+0x1d/0x30 [ 33.688709] __mutex_lock+0x13d/0x1700 [ 33.688713] ? fill_pte+0xd6/0x420 [ 33.688718] ? arch_jump_label_transform+0x1b/0x40 [ 33.688722] ? mutex_trylock+0x2b0/0x2b0 [ 33.688726] ? find_held_lock+0x36/0x1c0 [ 33.688730] ? lock_downgrade+0x8f0/0x8f0 [ 33.688734] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.688739] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.688743] ? text_poke_bp+0x14e/0x1de [ 33.688747] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.688752] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 33.688757] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1f/0x3a0 [ 33.688761] ? kasan_check_write+0x14/0x20 [ 33.688765] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.688770] ? wait_for_completion+0x8d0/0x8d0 [ 33.688774] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 33.688779] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.688783] ? modules_open+0xa0/0xa0 [ 33.688787] ? kvm_vm_release+0x42/0x50 [ 33.688791] ? get_trap_addr+0x1d0/0x1d0 [ 33.688795] ? do_group_exit+0x177/0x440 [ 33.688800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.688804] ? jump_label_type+0x132/0x1d0 [ 33.688808] ? static_key_count+0x130/0x130 [ 33.688812] mutex_lock_nested+0x16/0x20 [ 33.688816] ? mutex_lock_nested+0x16/0x20 [ 33.688820] arch_jump_label_transform+0x1b/0x40 [ 33.688825] __jump_label_update+0x16e/0x1a0 [ 33.688829] jump_label_update+0x151/0x2e0 [ 33.688834] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.688838] ? static_key_disable+0x30/0x30 [ 33.688842] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.688846] static_key_slow_dec+0x63/0xa0 [ 33.688851] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.688854] kvm_vcpu_uninit+0x44/0x90 [ 33.688858] vmx_free_vcpu+0x23a/0x300 [ 33.688862] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.688865] ? check_m [ 33.688873] Lost 95 message(s)! [ 34.713279] ---[ end trace a9e4afa534b71119 ]--- [ 34.718043] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.722537] 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 9a e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 34.741443] RSP: 0018:ffff8801b6e1ea40 EFLAGS: 00010806 [ 34.746810] RAX: 1bd5a00000000022 RBX: ffff8801bbade200 RCX: 1ffff10036d3188f [ 34.754076] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.761347] RBP: ffff8801b6e1ec10 R08: ffff8801bbade200 R09: fffff520003d2a47 [ 34.768618] R10: fffff520003d2a47 R11: ffffc90001e9523b R12: ffff8801ce6965c0 [ 34.779803] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 34.787439] FS: 000000000246d880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 34.795661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.801542] CR2: 000000000043efae CR3: 000000000806a000 CR4: 00000000001426f0 [ 34.808815] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.816093] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.823360] Kernel panic - not syncing: Fatal exception [ 35.893460] Shutting down cpus with NMI [ 35.897806] Dumping ftrace buffer: [ 35.901331] (ftrace buffer empty) [ 35.905026] Kernel Offset: disabled [ 35.908635] Rebooting in 86400 seconds..