[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 24.150870] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.765933] random: sshd: uninitialized urandom read (32 bytes read) [ 27.113371] random: sshd: uninitialized urandom read (32 bytes read) [ 27.658043] random: sshd: uninitialized urandom read (32 bytes read) [ 27.836633] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. [ 33.532484] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 33.627905] 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. [ 33.651800] kasan: CONFIG_KASAN_INLINE enabled [ 33.658778] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.666134] general protection fault: 0000 [#1] SMP KASAN [ 33.671679] CPU: 0 PID: 4489 Comm: syz-executor653 Not tainted 4.18.0+ #202 [ 33.678779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.688132] RIP: 0010:__schedule+0xf48/0x1df0 [ 33.692621] 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 4c 3a 0a fb eb 9f 4c 89 e6 48 89 df e8 4f [ 33.711534] RSP: 0018:ffff8801ac82ea80 EFLAGS: 00010806 [ 33.716903] RAX: 1bd5a00000000022 RBX: ffff8801ac9d2240 RCX: 1ffff1003b33b88f [ 33.724168] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 33.731429] RBP: ffff8801ac82ec50 R08: ffff8801ac9d2240 R09: fffff520003c1a47 [ 33.738691] R10: fffff520003c1a47 R11: ffffc90001e0d23b R12: ffff8801ce17c740 [ 33.745950] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 33.753226] FS: 0000000001066880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 33.761457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.767351] CR2: 000000000043eede CR3: 0000000007e6a000 CR4: 00000000001426f0 [ 33.774624] Call Trace: [ 33.777204] ? mark_held_locks+0x160/0x160 [ 33.781435] ? print_usage_bug+0xc0/0xc0 [ 33.785504] ? __sched_text_start+0x8/0x8 [ 33.789647] ? generic_exec_single+0x1ea/0x5e0 [ 33.794225] ? __lock_is_held+0xb5/0x140 [ 33.798286] ? check_same_owner+0x340/0x340 [ 33.802604] ? check_same_owner+0x340/0x340 [ 33.806937] ? smp_call_function_single+0x2d6/0x5c0 [ 33.811954] ? add_nops+0x90/0x90 [ 33.815406] ? arch_jump_label_transform+0x1b/0x40 [ 33.820330] preempt_schedule_common+0x22/0x60 [ 33.824907] _cond_resched+0x1d/0x30 [ 33.828614] __mutex_lock+0x13d/0x1700 [ 33.832497] ? retint_kernel+0x10/0x10 [ 33.836384] ? arch_jump_label_transform+0x1b/0x40 [ 33.841313] ? mutex_trylock+0x2b0/0x2b0 [ 33.845366] ? find_held_lock+0x36/0x1c0 [ 33.849438] ? lock_downgrade+0x8f0/0x8f0 [ 33.853594] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.857908] ? text_poke_bp+0x10c/0x16a [ 33.861876] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.866991] ? text_poke+0x3f9/0x5e0 [ 33.870705] ? kvm_can_do_async_pf+0x10/0x2f0 [ 33.875199] ? kasan_check_write+0x14/0x20 [ 33.879427] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.884350] ? wait_for_completion+0x8d0/0x8d0 [ 33.888932] ? kvm_can_do_async_pf+0xf/0x2f0 [ 33.893336] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.898779] ? modules_open+0xa0/0xa0 [ 33.902579] ? kvm_vm_release+0x42/0x50 [ 33.906555] ? get_trap_addr+0x1d0/0x1d0 [ 33.910618] ? do_group_exit+0x177/0x440 [ 33.914681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.920219] ? jump_label_type+0x132/0x1d0 [ 33.924455] ? static_key_count+0x130/0x130 [ 33.928798] mutex_lock_nested+0x16/0x20 [ 33.932855] ? mutex_lock_nested+0x16/0x20 [ 33.937089] arch_jump_label_transform+0x1b/0x40 [ 33.941844] __jump_label_update+0x16e/0x1a0 [ 33.946271] jump_label_update+0x151/0x2e0 [ 33.950522] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.955968] ? static_key_disable+0x30/0x30 [ 33.960292] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.965306] static_key_slow_dec+0x63/0xa0 [ 33.969541] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.974034] kvm_vcpu_uninit+0x44/0x90 [ 33.977917] vmx_free_vcpu+0x23a/0x300 [ 33.981812] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.986255] ? check_memory_region+0x183/0x1b0 [ 33.990832] ? kvm_arch_sync_events+0x30/0x30 [ 33.995330] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.000864] ? mmu_notifier_unregister+0x474/0x600 [ 34.005788] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.010187] ? kfree+0x111/0x210 [ 34.013557] ? __mmu_notifier_register+0x30/0x30 [ 34.018325] ? __free_pages+0x10a/0x190 [ 34.022300] ? free_unref_page+0x930/0x930 [ 34.026550] kvm_put_kvm+0x73f/0x1060 [ 34.030364] ? kvm_write_guest_cached+0x40/0x40 [ 34.035036] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.039533] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.044025] ? lockdep_hardirqs_on+0x421/0x5c0 [ 34.048608] ? kasan_check_write+0x14/0x20 [ 34.052838] ? do_raw_spin_lock+0xc1/0x200 [ 34.057070] ? kvm_irqfd_release+0xdd/0x120 [ 34.061418] ? kvm_put_kvm+0x1060/0x1060 [ 34.065505] kvm_vm_release+0x42/0x50 [ 34.069313] __fput+0x36e/0x8c0 [ 34.072590] ? __alloc_file+0x400/0x400 [ 34.076578] ? check_same_owner+0x340/0x340 [ 34.080908] ? kasan_check_write+0x14/0x20 [ 34.085172] ? do_raw_spin_lock+0xc1/0x200 [ 34.089399] ____fput+0x15/0x20 [ 34.092682] task_work_run+0x1e8/0x2a0 [ 34.096583] ? task_work_cancel+0x240/0x240 [ 34.100904] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.106437] ? switch_task_namespaces+0xa2/0xd0 [ 34.111112] do_exit+0x1ae4/0x26e0 [ 34.114650] ? mm_update_next_owner+0x9a0/0x9a0 [ 34.119328] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 34.123572] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.128583] ? kfree+0x1d7/0x210 [ 34.131947] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 34.136182] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 34.141893] ? is_bpf_text_address+0xd7/0x170 [ 34.146382] ? kernel_text_address+0x79/0xf0 [ 34.150797] ? __kernel_text_address+0xd/0x40 [ 34.155325] ? unwind_get_return_address+0x61/0xa0 [ 34.160260] ? __save_stack_trace+0x8d/0xf0 [ 34.164582] ? save_stack+0xa9/0xd0 [ 34.168203] ? save_stack+0x43/0xd0 [ 34.171828] ? __kasan_slab_free+0x11a/0x170 [ 34.176230] ? kasan_slab_free+0xe/0x10 [ 34.180199] ? putname+0xf2/0x130 [ 34.183664] ? __x64_sys_openat+0x9d/0x100 [ 34.187892] ? do_syscall_64+0x1b9/0x820 [ 34.191954] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.197328] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.201999] ? kasan_check_read+0x11/0x20 [ 34.206147] ? do_raw_spin_unlock+0xa7/0x2f0 [ 34.210552] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.214956] ? initcall_blacklisted+0x9a/0x1e0 [ 34.219537] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 34.224639] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 34.230347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.235880] ? do_vfs_ioctl+0x201/0x1720 [ 34.239936] ? rcu_is_watching+0x8c/0x150 [ 34.244076] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.248394] ? ioctl_preallocate+0x300/0x300 [ 34.253049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.258581] ? __fget_light+0x2f7/0x440 [ 34.262550] ? fget_raw+0x20/0x20 [ 34.265994] ? putname+0xf2/0x130 [ 34.269488] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.274500] ? kmem_cache_free+0x246/0x280 [ 34.278734] ? putname+0xf7/0x130 [ 34.282185] do_group_exit+0x177/0x440 [ 34.286065] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.290385] ? __ia32_sys_exit+0x50/0x50 [ 34.294442] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.299552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.305084] ? ksys_ioctl+0x81/0xd0 [ 34.308716] __x64_sys_exit_group+0x3e/0x50 [ 34.313037] do_syscall_64+0x1b9/0x820 [ 34.316917] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.322276] ? syscall_return_slowpath+0x5e0/0x5e0 [ 34.327196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.332035] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 34.337063] ? prepare_exit_to_usermode+0x291/0x3b0 [ 34.342081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.346923] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.352106] RIP: 0033:0x43ef08 [ 34.355298] Code: Bad RIP value. [ 34.358657] RSP: 002b:00007ffeb4105d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 34.366381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ef08 [ 34.373640] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 34.380902] RBP: 00000000004be7c8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 34.388162] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 34.395423] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 34.402685] Modules linked in: [ 34.405873] Dumping ftrace buffer: [ 34.409398] (ftrace buffer empty) [ 34.413099] [ 34.413105] ====================================================== [ 34.413110] WARNING: possible circular locking dependency detected [ 34.413113] 4.18.0+ #202 Not tainted [ 34.413118] ------------------------------------------------------ [ 34.413123] syz-executor653/4489 is trying to acquire lock: [ 34.413127] 00000000b3d2a781 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 34.413141] [ 34.413145] but task is already holding lock: [ 34.413148] 000000007967ba69 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.413162] [ 34.413166] which lock already depends on the new lock. [ 34.413168] [ 34.413171] [ 34.413175] the existing dependency chain (in reverse order) is: [ 34.413178] [ 34.413180] -> #2 (&rq->lock){-.-.}: [ 34.413193] _raw_spin_lock+0x2a/0x40 [ 34.413197] task_fork_fair+0x93/0x680 [ 34.413201] sched_fork+0x44b/0xbd0 [ 34.413218] copy_process+0x235e/0x7a00 [ 34.413221] _do_fork+0x1ca/0x1170 [ 34.413225] kernel_thread+0x34/0x40 [ 34.413245] rest_init+0x22/0xe4 [ 34.413250] start_kernel+0x913/0x94e [ 34.413267] x86_64_start_reservations+0x29/0x2b [ 34.413271] x86_64_start_kernel+0x76/0x79 [ 34.413275] secondary_startup_64+0xa4/0xb0 [ 34.413277] [ 34.413279] -> #1 (&p->pi_lock){-.-.}: [ 34.413293] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.413297] try_to_wake_up+0xd2/0x1250 [ 34.413300] wake_up_process+0x10/0x20 [ 34.413304] __up.isra.1+0x1c0/0x2a0 [ 34.413307] up+0x13c/0x1c0 [ 34.413311] __up_console_sem+0xbe/0x1b0 [ 34.413315] console_unlock+0x506/0x10d0 [ 34.413318] vprintk_emit+0x33a/0x910 [ 34.413322] vprintk_default+0x28/0x30 [ 34.413325] vprintk_func+0x7a/0x117 [ 34.413329] printk+0xa7/0xcf [ 34.413332] load_umh+0x51/0xbd [ 34.413336] do_one_initcall+0x127/0x838 [ 34.413340] kernel_init_freeable+0x49b/0x58e [ 34.413343] kernel_init+0x11/0x1b3 [ 34.413347] ret_from_fork+0x3a/0x50 [ 34.413349] [ 34.413351] -> #0 ((console_sem).lock){-...}: [ 34.413365] lock_acquire+0x1e4/0x4f0 [ 34.413369] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.413372] down_trylock+0x13/0x70 [ 34.413376] __down_trylock_console_sem+0xae/0x200 [ 34.413380] console_trylock+0x15/0xa0 [ 34.413384] vprintk_emit+0x31f/0x910 [ 34.413387] vprintk_default+0x28/0x30 [ 34.413391] vprintk_func+0x7a/0x117 [ 34.413394] printk+0xa7/0xcf [ 34.413398] kasan_die_handler.cold.22+0x11/0x30 [ 34.413402] notifier_call_chain+0x180/0x390 [ 34.413407] atomic_notifier_call_chain+0x98/0x190 [ 34.413410] notify_die+0x1be/0x2e0 [ 34.413414] do_general_protection+0x248/0x2f0 [ 34.413430] general_protection+0x1e/0x30 [ 34.413433] __schedule+0xf48/0x1df0 [ 34.413437] preempt_schedule_common+0x22/0x60 [ 34.413453] _cond_resched+0x1d/0x30 [ 34.413456] __mutex_lock+0x13d/0x1700 [ 34.413460] mutex_lock_nested+0x16/0x20 [ 34.413473] arch_jump_label_transform+0x1b/0x40 [ 34.413489] __jump_label_update+0x16e/0x1a0 [ 34.413493] jump_label_update+0x151/0x2e0 [ 34.413498] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.413502] static_key_slow_dec+0x63/0xa0 [ 34.413506] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.413510] kvm_vcpu_uninit+0x44/0x90 [ 34.413514] vmx_free_vcpu+0x23a/0x300 [ 34.413518] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.413522] kvm_put_kvm+0x73f/0x1060 [ 34.413525] kvm_vm_release+0x42/0x50 [ 34.413529] __fput+0x36e/0x8c0 [ 34.413532] ____fput+0x15/0x20 [ 34.413536] task_work_run+0x1e8/0x2a0 [ 34.413540] do_exit+0x1ae4/0x26e0 [ 34.413544] do_group_exit+0x177/0x440 [ 34.413548] __x64_sys_exit_group+0x3e/0x50 [ 34.413551] do_syscall_64+0x1b9/0x820 [ 34.413556] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.413558] [ 34.413563] other info that might help us debug this: [ 34.413565] [ 34.413568] Chain exists of: [ 34.413570] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 34.413587] [ 34.413591] Possible unsafe locking scenario: [ 34.413594] [ 34.413597] CPU0 CPU1 [ 34.413601] ---- ---- [ 34.413604] lock(&rq->lock); [ 34.413613] lock(&p->pi_lock); [ 34.413622] lock(&rq->lock); [ 34.413629] lock((console_sem).lock); [ 34.413637] [ 34.413640] *** DEADLOCK *** [ 34.413643] [ 34.413647] 4 locks held by syz-executor653/4489: [ 34.413649] #0: 00000000e7d5c036 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 34.413666] #1: 0000000030ccc7cb (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 34.413684] #2: 000000007967ba69 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.413700] #3: 00000000eac95e5b (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 34.413718] [ 34.413721] stack backtrace: [ 34.413732] CPU: 0 PID: 4489 Comm: syz-executor653 Not tainted 4.18.0+ #202 [ 34.413739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.413742] Call Trace: [ 34.413746] dump_stack+0x1c9/0x2b4 [ 34.413750] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.413754] ? vprintk_func+0x100/0x117 [ 34.413759] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 34.413762] ? save_trace+0xe0/0x290 [ 34.413766] __lock_acquire+0x3449/0x5020 [ 34.413770] ? mark_held_locks+0x160/0x160 [ 34.413774] ? mark_held_locks+0x160/0x160 [ 34.413778] ? update_load_avg+0x389/0x27d0 [ 34.413783] ? __update_load_avg_blocked_se+0x730/0x730 [ 34.413787] ? attach_entity_load_avg+0x860/0x860 [ 34.413791] ? attach_entity_load_avg+0x860/0x860 [ 34.413795] ? graph_lock+0x170/0x170 [ 34.413800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.413804] lock_acquire+0x1e4/0x4f0 [ 34.413807] ? down_trylock+0x13/0x70 [ 34.413811] ? lock_release+0x9f0/0x9f0 [ 34.413815] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.413819] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.413823] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.413827] ? log_store+0x34f/0x4c0 [ 34.413831] ? vprintk_emit+0x31f/0x910 [ 34.413835] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.413838] ? down_trylock+0x13/0x70 [ 34.413842] down_trylock+0x13/0x70 [ 34.413846] __down_trylock_console_sem+0xae/0x200 [ 34.413850] console_trylock+0x15/0xa0 [ 34.413854] vprintk_emit+0x31f/0x910 [ 34.413858] ? wake_up_klogd+0x110/0x110 [ 34.413862] ? __lock_acquire+0x7fc/0x5020 [ 34.413866] ? mark_held_locks+0x160/0x160 [ 34.413869] vprintk_default+0x28/0x30 [ 34.413873] vprintk_func+0x7a/0x117 [ 34.413876] printk+0xa7/0xcf [ 34.413894] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.413898] ? kasan_die_handler.cold.22+0x5/0x30 [ 34.413902] ? kasan_die_handler+0x1a/0x31 [ 34.413906] kasan_die_handler.cold.22+0x11/0x30 [ 34.413922] notifier_call_chain+0x180/0x390 [ 34.413926] ? unregister_die_notifier+0x20/0x20 [ 34.413930] ? rcu_is_watching+0x8c/0x150 [ 34.413934] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.413938] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.413942] ? cmp_ex_search+0x8c/0xb0 [ 34.413946] atomic_notifier_call_chain+0x98/0x190 [ 34.413950] notify_die+0x1be/0x2e0 [ 34.413954] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 34.413959] ? search_module_extables+0x18/0xc0 [ 34.413962] ? __schedule+0xf48/0x1df0 [ 34.413966] ? __schedule+0xf48/0x1df0 [ 34.413970] ? search_exception_tables+0x47/0x50 [ 34.413974] do_general_protection+0x248/0x2f0 [ 34.413978] general_protection+0x1e/0x30 [ 34.413982] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.413995] 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 4c 3a 0a fb eb 9f 4c 89 e6 48 89 df e8 4f [ 34.413999] RSP: 0018:ffff8801ac82ea80 EFLAGS: 00010806 [ 34.414008] RAX: 1bd5a00000000022 RBX: ffff8801ac9d2240 RCX: 1ffff1003b33b88f [ 34.414013] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.414019] RBP: ffff8801ac82ec50 R08: ffff8801ac9d2240 R09: fffff520003c1a47 [ 34.414025] R10: fffff520003c1a47 R11: ffffc90001e0d23b R12: ffff8801ce17c740 [ 34.414030] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 34.414034] ? mark_held_locks+0x160/0x160 [ 34.414038] ? print_usage_bug+0xc0/0xc0 [ 34.414042] ? __sched_text_start+0x8/0x8 [ 34.414046] ? generic_exec_single+0x1ea/0x5e0 [ 34.414050] ? __lock_is_held+0xb5/0x140 [ 34.414054] ? check_same_owner+0x340/0x340 [ 34.414058] ? check_same_owner+0x340/0x340 [ 34.414076] ? smp_call_function_single+0x2d6/0x5c0 [ 34.414079] ? add_nops+0x90/0x90 [ 34.414083] ? arch_jump_label_transform+0x1b/0x40 [ 34.414087] preempt_schedule_common+0x22/0x60 [ 34.414091] _cond_resched+0x1d/0x30 [ 34.414095] __mutex_lock+0x13d/0x1700 [ 34.414098] ? retint_kernel+0x10/0x10 [ 34.414102] ? arch_jump_label_transform+0x1b/0x40 [ 34.414106] ? mutex_trylock+0x2b0/0x2b0 [ 34.414110] ? find_held_lock+0x36/0x1c0 [ 34.414114] ? lock_downgrade+0x8f0/0x8f0 [ 34.414117] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.414121] ? text_poke_bp+0x10c/0x16a [ 34.414125] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.414129] ? text_poke+0x3f9/0x5e0 [ 34.414133] ? kvm_can_do_async_pf+0x10/0x2f0 [ 34.414137] ? kasan_check_write+0x14/0x20 [ 34.414141] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 34.414145] ? wait_for_completion+0x8d0/0x8d0 [ 34.414149] ? kvm_can_do_async_pf+0xf/0x2f0 [ 34.414153] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 34.414157] ? modules_open+0xa0/0xa0 [ 34.414172] ? kvm_vm_release+0x42/0x50 [ 34.414176] ? get_trap_addr+0x1d0/0x1d0 [ 34.414180] ? do_group_exit+0x177/0x440 [ 34.414184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.414188] ? jump_label_type+0x132/0x1d0 [ 34.414192] ? static_key_count+0x130/0x130 [ 34.414214] mutex_lock_nested+0x16/0x20 [ 34.414218] ? mutex_lock_nested+0x16/0x20 [ 34.414222] arch_jump_label_transform+0x1b/0x40 [ 34.414239] __jump_label_update+0x16e/0x1a0 [ 34.414243] jump_label_update+0x151/0x2e0 [ 34.414248] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.414251] ? static_key_disable+0x30/0x30 [ 34.414255] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.414259] static_key_slow_dec+0x63/0xa0 [ 34.414263] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.414266] kvm_vcpu_uninit+0x44/0x90 [ 34.414270] vmx_free_vcpu+0x23a/0x300 [ 34.414274] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.414278] ? check_memory_region+0x183/0x1b0 [ 34.414281] ? kvm_arch_sync_events+0x30/0x30 [ 34.414286] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.414288] ? mmu_notifier [ 34.414295] Lost 88 message(s)! [ 35.440902] ---[ end trace 39468291e4f79d0c ]--- [ 35.445664] RIP: 0010:__schedule+0xf48/0x1df0 [ 35.450155] 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 4c 3a 0a fb eb 9f 4c 89 e6 48 89 df e8 4f [ 35.469050] RSP: 0018:ffff8801ac82ea80 EFLAGS: 00010806 [ 35.474407] RAX: 1bd5a00000000022 RBX: ffff8801ac9d2240 RCX: 1ffff1003b33b88f [ 35.481671] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 35.488933] RBP: ffff8801ac82ec50 R08: ffff8801ac9d2240 R09: fffff520003c1a47 [ 35.496193] R10: fffff520003c1a47 R11: ffffc90001e0d23b R12: ffff8801ce17c740 [ 35.503475] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 35.510772] FS: 0000000001066880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 35.518989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.524867] CR2: 000000000043eede CR3: 0000000007e6a000 CR4: 00000000001426f0 [ 35.532130] Kernel panic - not syncing: Fatal exception [ 36.631733] Shutting down cpus with NMI [ 36.636047] Dumping ftrace buffer: [ 36.639599] (ftrace buffer empty) [ 36.643288] Kernel Offset: disabled [ 36.646897] Rebooting in 86400 seconds..