[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 23.927904] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.713138] random: sshd: uninitialized urandom read (32 bytes read) [ 28.027866] random: sshd: uninitialized urandom read (32 bytes read) [ 28.609007] random: sshd: uninitialized urandom read (32 bytes read) [ 28.790239] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. [ 34.398528] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 34.492082] 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. [ 34.515826] kasan: CONFIG_KASAN_INLINE enabled [ 34.522764] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 34.530120] general protection fault: 0000 [#1] SMP KASAN [ 34.535658] CPU: 1 PID: 4459 Comm: syz-executor596 Not tainted 4.18.0+ #202 [ 34.542748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.552611] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.557114] 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 [ 34.576012] RSP: 0018:ffff8801b063ea80 EFLAGS: 00010806 [ 34.581388] RAX: 1bd5a00000000022 RBX: ffff8801ac31c680 RCX: 1ffff100357e288f [ 34.588668] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.595938] RBP: ffff8801b063ec50 R08: ffff8801ac31c680 R09: fffff520003c3a47 [ 34.603206] R10: fffff520003c3a47 R11: ffffc90001e1d23b R12: ffff8801ce1be000 [ 34.610570] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 34.617845] FS: 0000000001d5f880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 34.626072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.631951] CR2: 000000000043ecae CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 34.639222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.646506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.653769] Call Trace: [ 34.656365] ? __sched_text_start+0x8/0x8 [ 34.660512] ? generic_exec_single+0x1ea/0x5e0 [ 34.665091] ? __lock_is_held+0xb5/0x140 [ 34.669152] ? check_same_owner+0x340/0x340 [ 34.673498] ? check_same_owner+0x340/0x340 [ 34.677818] ? smp_call_function_single+0x2d6/0x5c0 [ 34.682834] ? add_nops+0x90/0x90 [ 34.686288] ? arch_jump_label_transform+0x1b/0x40 [ 34.691219] preempt_schedule_common+0x22/0x60 [ 34.695799] _cond_resched+0x1d/0x30 [ 34.699510] __mutex_lock+0x13d/0x1700 [ 34.703396] ? fill_pte+0xd6/0x420 [ 34.706942] ? arch_jump_label_transform+0x1b/0x40 [ 34.711878] ? mutex_trylock+0x2b0/0x2b0 [ 34.716120] ? find_held_lock+0x36/0x1c0 [ 34.720182] ? lock_downgrade+0x8f0/0x8f0 [ 34.724329] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.728665] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.733765] ? text_poke_bp+0x10c/0x16a [ 34.737739] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.742841] ? __kvm_migrate_apic_timer+0x15/0x140 [ 34.747771] ? __kvm_migrate_apic_timer+0x16/0x140 [ 34.752699] ? kasan_check_write+0x14/0x20 [ 34.756933] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 34.761861] ? wait_for_completion+0x8d0/0x8d0 [ 34.766444] ? __kvm_migrate_apic_timer+0x15/0x140 [ 34.771369] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 34.776818] ? modules_open+0xa0/0xa0 [ 34.780620] ? kvm_vm_release+0x42/0x50 [ 34.784598] ? get_trap_addr+0x1d0/0x1d0 [ 34.788666] ? do_group_exit+0x177/0x440 [ 34.792732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.798270] ? jump_label_type+0x132/0x1d0 [ 34.802504] ? static_key_count+0x130/0x130 [ 34.806825] mutex_lock_nested+0x16/0x20 [ 34.810887] ? mutex_lock_nested+0x16/0x20 [ 34.815124] arch_jump_label_transform+0x1b/0x40 [ 34.819884] __jump_label_update+0x16e/0x1a0 [ 34.824295] jump_label_update+0x151/0x2e0 [ 34.828532] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.833980] ? static_key_disable+0x30/0x30 [ 34.838306] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.843341] static_key_slow_dec+0x63/0xa0 [ 34.847578] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.852076] kvm_vcpu_uninit+0x44/0x90 [ 34.855961] vmx_free_vcpu+0x23a/0x300 [ 34.859845] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.864256] ? check_memory_region+0x183/0x1b0 [ 34.868834] ? kvm_arch_sync_events+0x30/0x30 [ 34.873329] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.878883] ? mmu_notifier_unregister+0x474/0x600 [ 34.883812] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.888242] ? kfree+0x111/0x210 [ 34.891609] ? __mmu_notifier_register+0x30/0x30 [ 34.896371] ? __free_pages+0x10a/0x190 [ 34.900342] ? free_unref_page+0x930/0x930 [ 34.904603] kvm_put_kvm+0x73f/0x1060 [ 34.908417] ? kvm_write_guest_cached+0x40/0x40 [ 34.913095] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.917585] ? _raw_spin_unlock_irq+0x27/0x70 [ 34.922077] ? lockdep_hardirqs_on+0x421/0x5c0 [ 34.926670] ? kasan_check_write+0x14/0x20 [ 34.930905] ? do_raw_spin_lock+0xc1/0x200 [ 34.935139] ? kvm_irqfd_release+0xdd/0x120 [ 34.939458] ? kvm_put_kvm+0x1060/0x1060 [ 34.943521] kvm_vm_release+0x42/0x50 [ 34.947320] __fput+0x36e/0x8c0 [ 34.950598] ? __alloc_file+0x400/0x400 [ 34.954572] ? check_same_owner+0x340/0x340 [ 34.958889] ? kasan_check_write+0x14/0x20 [ 34.963123] ? do_raw_spin_lock+0xc1/0x200 [ 34.967377] ____fput+0x15/0x20 [ 34.970663] task_work_run+0x1e8/0x2a0 [ 34.974549] ? task_work_cancel+0x240/0x240 [ 34.978875] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.984409] ? switch_task_namespaces+0xa2/0xd0 [ 34.989081] do_exit+0x1ae4/0x26e0 [ 34.992626] ? mm_update_next_owner+0x9a0/0x9a0 [ 34.997306] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 35.001537] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.006554] ? kfree+0x1d7/0x210 [ 35.009916] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 35.014149] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 35.019861] ? is_bpf_text_address+0xd7/0x170 [ 35.024354] ? kernel_text_address+0x79/0xf0 [ 35.028757] ? __kernel_text_address+0xd/0x40 [ 35.033255] ? unwind_get_return_address+0x61/0xa0 [ 35.038182] ? __save_stack_trace+0x8d/0xf0 [ 35.042509] ? save_stack+0xa9/0xd0 [ 35.046135] ? save_stack+0x43/0xd0 [ 35.049761] ? __kasan_slab_free+0x11a/0x170 [ 35.054165] ? kasan_slab_free+0xe/0x10 [ 35.058134] ? putname+0xf2/0x130 [ 35.061590] ? __x64_sys_openat+0x9d/0x100 [ 35.065821] ? do_syscall_64+0x1b9/0x820 [ 35.069904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.075273] ? trace_hardirqs_off+0xb8/0x2b0 [ 35.079680] ? kasan_check_read+0x11/0x20 [ 35.083828] ? do_raw_spin_unlock+0xa7/0x2f0 [ 35.088230] ? trace_hardirqs_on+0x2c0/0x2c0 [ 35.092648] ? initcall_blacklisted+0x9a/0x1e0 [ 35.097237] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 35.102342] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 35.108053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.113591] ? do_vfs_ioctl+0x201/0x1720 [ 35.117658] ? rcu_is_watching+0x8c/0x150 [ 35.121805] ? trace_hardirqs_on+0xbd/0x2c0 [ 35.126131] ? ioctl_preallocate+0x300/0x300 [ 35.130540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.136079] ? __fget_light+0x2f7/0x440 [ 35.140049] ? fget_raw+0x20/0x20 [ 35.143496] ? putname+0xf2/0x130 [ 35.146948] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.151965] ? kmem_cache_free+0x246/0x280 [ 35.156204] ? putname+0xf7/0x130 [ 35.159666] do_group_exit+0x177/0x440 [ 35.163550] ? trace_hardirqs_on+0xbd/0x2c0 [ 35.167867] ? __ia32_sys_exit+0x50/0x50 [ 35.171926] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 35.177028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.182566] ? ksys_ioctl+0x81/0xd0 [ 35.186195] __x64_sys_exit_group+0x3e/0x50 [ 35.190516] do_syscall_64+0x1b9/0x820 [ 35.194406] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.199772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 35.204701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.209543] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 35.214556] ? prepare_exit_to_usermode+0x291/0x3b0 [ 35.219570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.224434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.229623] RIP: 0033:0x43ecd8 [ 35.232827] Code: Bad RIP value. [ 35.236182] RSP: 002b:00007ffc4fdec1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.243884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ecd8 [ 35.251147] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 35.258410] RBP: 00000000004be988 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 35.265681] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 35.272947] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 35.280215] Modules linked in: [ 35.283409] Dumping ftrace buffer: [ 35.286944] (ftrace buffer empty) [ 35.290656] [ 35.290662] ====================================================== [ 35.290667] WARNING: possible circular locking dependency detected [ 35.290671] 4.18.0+ #202 Not tainted [ 35.290676] ------------------------------------------------------ [ 35.290681] syz-executor596/4459 is trying to acquire lock: [ 35.290684] 00000000d5fd069a ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 35.290699] [ 35.290703] but task is already holding lock: [ 35.290706] 0000000099c86c55 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 35.290720] [ 35.290724] which lock already depends on the new lock. [ 35.290727] [ 35.290729] [ 35.290734] the existing dependency chain (in reverse order) is: [ 35.290736] [ 35.290739] -> #2 (&rq->lock){-.-.}: [ 35.290752] _raw_spin_lock+0x2a/0x40 [ 35.290756] task_fork_fair+0x93/0x680 [ 35.290760] sched_fork+0x44b/0xbd0 [ 35.290764] copy_process+0x235e/0x7a00 [ 35.290768] _do_fork+0x1ca/0x1170 [ 35.290772] kernel_thread+0x34/0x40 [ 35.290775] rest_init+0x22/0xe4 [ 35.290779] start_kernel+0x913/0x94e [ 35.290784] x86_64_start_reservations+0x29/0x2b [ 35.290788] x86_64_start_kernel+0x76/0x79 [ 35.290792] secondary_startup_64+0xa4/0xb0 [ 35.290794] [ 35.290796] -> #1 (&p->pi_lock){-.-.}: [ 35.290811] _raw_spin_lock_irqsave+0x96/0xc0 [ 35.290815] try_to_wake_up+0xd2/0x1250 [ 35.290819] wake_up_process+0x10/0x20 [ 35.290822] __up.isra.1+0x1c0/0x2a0 [ 35.290826] up+0x13c/0x1c0 [ 35.290830] __up_console_sem+0xbe/0x1b0 [ 35.290834] console_unlock+0x506/0x10d0 [ 35.290838] vprintk_emit+0x33a/0x910 [ 35.290841] vprintk_default+0x28/0x30 [ 35.290845] vprintk_func+0x7a/0x117 [ 35.290849] printk+0xa7/0xcf [ 35.290852] load_umh+0x51/0xbd [ 35.290856] do_one_initcall+0x127/0x838 [ 35.290860] kernel_init_freeable+0x49b/0x58e [ 35.290864] kernel_init+0x11/0x1b3 [ 35.290868] ret_from_fork+0x3a/0x50 [ 35.290870] [ 35.290872] -> #0 ((console_sem).lock){-...}: [ 35.290887] lock_acquire+0x1e4/0x4f0 [ 35.290891] _raw_spin_lock_irqsave+0x96/0xc0 [ 35.290895] down_trylock+0x13/0x70 [ 35.290899] __down_trylock_console_sem+0xae/0x200 [ 35.290903] console_trylock+0x15/0xa0 [ 35.290907] vprintk_emit+0x31f/0x910 [ 35.290911] vprintk_default+0x28/0x30 [ 35.290914] vprintk_func+0x7a/0x117 [ 35.290919] printk+0xa7/0xcf [ 35.290923] kasan_die_handler.cold.22+0x11/0x30 [ 35.290927] notifier_call_chain+0x180/0x390 [ 35.290932] atomic_notifier_call_chain+0x98/0x190 [ 35.290935] notify_die+0x1be/0x2e0 [ 35.290940] do_general_protection+0x248/0x2f0 [ 35.290944] general_protection+0x1e/0x30 [ 35.290948] __schedule+0xf48/0x1df0 [ 35.290952] preempt_schedule_common+0x22/0x60 [ 35.290956] _cond_resched+0x1d/0x30 [ 35.290960] __mutex_lock+0x13d/0x1700 [ 35.290963] mutex_lock_nested+0x16/0x20 [ 35.290968] arch_jump_label_transform+0x1b/0x40 [ 35.290972] __jump_label_update+0x16e/0x1a0 [ 35.290976] jump_label_update+0x151/0x2e0 [ 35.290981] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 35.290985] static_key_slow_dec+0x63/0xa0 [ 35.290989] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 35.290993] kvm_vcpu_uninit+0x44/0x90 [ 35.290997] vmx_free_vcpu+0x23a/0x300 [ 35.291001] kvm_arch_destroy_vm+0x365/0x7c0 [ 35.291005] kvm_put_kvm+0x73f/0x1060 [ 35.291009] kvm_vm_release+0x42/0x50 [ 35.291013] __fput+0x36e/0x8c0 [ 35.291016] ____fput+0x15/0x20 [ 35.291020] task_work_run+0x1e8/0x2a0 [ 35.291024] do_exit+0x1ae4/0x26e0 [ 35.291027] do_group_exit+0x177/0x440 [ 35.291032] __x64_sys_exit_group+0x3e/0x50 [ 35.291036] do_syscall_64+0x1b9/0x820 [ 35.291040] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.291043] [ 35.291047] other info that might help us debug this: [ 35.291049] [ 35.291052] Chain exists of: [ 35.291054] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 35.291072] [ 35.291077] Possible unsafe locking scenario: [ 35.291079] [ 35.291083] CPU0 CPU1 [ 35.291087] ---- ---- [ 35.291089] lock(&rq->lock); [ 35.291098] lock(&p->pi_lock); [ 35.291108] lock(&rq->lock); [ 35.291115] lock((console_sem).lock); [ 35.291123] [ 35.291127] *** DEADLOCK *** [ 35.291129] [ 35.291133] 4 locks held by syz-executor596/4459: [ 35.291135] #0: 00000000ea06af34 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 35.291153] #1: 000000007cc34471 (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 35.291171] #2: 0000000099c86c55 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 35.291188] #3: 00000000bec78927 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 35.291206] [ 35.291209] stack backtrace: [ 35.291215] CPU: 1 PID: 4459 Comm: syz-executor596 Not tainted 4.18.0+ #202 [ 35.291222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.291225] Call Trace: [ 35.291229] dump_stack+0x1c9/0x2b4 [ 35.291233] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.291237] ? vprintk_func+0x100/0x117 [ 35.291242] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 35.291246] ? save_trace+0xe0/0x290 [ 35.291250] __lock_acquire+0x3449/0x5020 [ 35.291254] ? mark_held_locks+0x160/0x160 [ 35.291258] ? mark_held_locks+0x160/0x160 [ 35.291262] ? update_load_avg+0x389/0x27d0 [ 35.291267] ? __update_load_avg_blocked_se+0x730/0x730 [ 35.291271] ? attach_entity_load_avg+0x860/0x860 [ 35.291275] ? graph_lock+0x170/0x170 [ 35.291279] ? attach_entity_load_avg+0x860/0x860 [ 35.291283] ? graph_lock+0x170/0x170 [ 35.291288] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 35.291292] lock_acquire+0x1e4/0x4f0 [ 35.291295] ? down_trylock+0x13/0x70 [ 35.291299] ? lock_release+0x9f0/0x9f0 [ 35.291303] ? trace_hardirqs_off+0xb8/0x2b0 [ 35.291308] ? trace_hardirqs_on+0x2c0/0x2c0 [ 35.291312] ? trace_hardirqs_off+0xb8/0x2b0 [ 35.291315] ? log_store+0x34f/0x4c0 [ 35.291319] ? vprintk_emit+0x31f/0x910 [ 35.291323] _raw_spin_lock_irqsave+0x96/0xc0 [ 35.291327] ? down_trylock+0x13/0x70 [ 35.291331] down_trylock+0x13/0x70 [ 35.291335] __down_trylock_console_sem+0xae/0x200 [ 35.291339] console_trylock+0x15/0xa0 [ 35.291343] vprintk_emit+0x31f/0x910 [ 35.291347] ? wake_up_klogd+0x110/0x110 [ 35.291351] ? __lock_acquire+0x7fc/0x5020 [ 35.291355] ? mark_held_locks+0x160/0x160 [ 35.291359] vprintk_default+0x28/0x30 [ 35.291363] vprintk_func+0x7a/0x117 [ 35.291366] printk+0xa7/0xcf [ 35.291370] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 35.291375] ? kasan_die_handler.cold.22+0x5/0x30 [ 35.291379] ? kasan_die_handler+0x1a/0x31 [ 35.291383] kasan_die_handler.cold.22+0x11/0x30 [ 35.291387] notifier_call_chain+0x180/0x390 [ 35.291392] ? unregister_die_notifier+0x20/0x20 [ 35.291396] ? rcu_is_watching+0x8c/0x150 [ 35.291400] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 35.291404] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 35.291408] ? cmp_ex_search+0x8c/0xb0 [ 35.291418] atomic_notifier_call_chain+0x98/0x190 [ 35.291422] notify_die+0x1be/0x2e0 [ 35.291427] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 35.291431] ? search_module_extables+0x18/0xc0 [ 35.291435] ? __schedule+0xf48/0x1df0 [ 35.291439] ? __schedule+0xf48/0x1df0 [ 35.291443] ? search_exception_tables+0x47/0x50 [ 35.291447] do_general_protection+0x248/0x2f0 [ 35.291451] general_protection+0x1e/0x30 [ 35.291455] RIP: 0010:__schedule+0xf48/0x1df0 [ 35.291468] 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 [ 35.291473] RSP: 0018:ffff8801b063ea80 EFLAGS: 00010806 [ 35.291481] RAX: 1bd5a00000000022 RBX: ffff8801ac31c680 RCX: 1ffff100357e288f [ 35.291487] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 35.291493] RBP: ffff8801b063ec50 R08: ffff8801ac31c680 R09: fffff520003c3a47 [ 35.291499] R10: fffff520003c3a47 R11: ffffc90001e1d23b R12: ffff8801ce1be000 [ 35.291505] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 35.291509] ? __sched_text_start+0x8/0x8 [ 35.291513] ? generic_exec_single+0x1ea/0x5e0 [ 35.291517] ? __lock_is_held+0xb5/0x140 [ 35.291521] ? check_same_owner+0x340/0x340 [ 35.291525] ? check_same_owner+0x340/0x340 [ 35.291530] ? smp_call_function_single+0x2d6/0x5c0 [ 35.291533] ? add_nops+0x90/0x90 [ 35.291538] ? arch_jump_label_transform+0x1b/0x40 [ 35.291542] preempt_schedule_common+0x22/0x60 [ 35.291546] _cond_resched+0x1d/0x30 [ 35.291550] __mutex_lock+0x13d/0x1700 [ 35.291553] ? fill_pte+0xd6/0x420 [ 35.291558] ? arch_jump_label_transform+0x1b/0x40 [ 35.291562] ? mutex_trylock+0x2b0/0x2b0 [ 35.291566] ? find_held_lock+0x36/0x1c0 [ 35.291570] ? lock_downgrade+0x8f0/0x8f0 [ 35.291574] ? trace_hardirqs_on+0xbd/0x2c0 [ 35.291578] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 35.291582] ? text_poke_bp+0x10c/0x16a [ 35.291587] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 35.291591] ? __kvm_migrate_apic_timer+0x15/0x140 [ 35.291596] ? __kvm_migrate_apic_timer+0x16/0x140 [ 35.291600] ? kasan_check_write+0x14/0x20 [ 35.291604] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 35.291609] ? wait_for_completion+0x8d0/0x8d0 [ 35.291613] ? __kvm_migrate_apic_timer+0x15/0x140 [ 35.291618] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 35.291622] ? modules_open+0xa0/0xa0 [ 35.291625] ? kvm_vm_release+0x42/0x50 [ 35.291629] ? get_trap_addr+0x1d0/0x1d0 [ 35.291633] ? do_group_exit+0x177/0x440 [ 35.291638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.291650] ? jump_label_type+0x132/0x1d0 [ 35.291654] ? static_key_count+0x130/0x130 [ 35.291658] mutex_lock_nested+0x16/0x20 [ 35.291662] ? mutex_lock_nested+0x16/0x20 [ 35.291666] arch_jump_label_transform+0x1b/0x40 [ 35.291671] __jump_label_update+0x16e/0x1a0 [ 35.291675] jump_label_update+0x151/0x2e0 [ 35.291679] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 35.291684] ? static_key_disable+0x30/0x30 [ 35.291688] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.291692] static_key_slow_dec+0x63/0xa0 [ 35.291696] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 35.291700] kvm_vcpu_uninit+0x44/0x90 [ 35.291704] vmx_free_vcpu+0x23a/0x300 [ 35.291708] kvm_arch_destroy_vm+0x365/0x7c0 [ 35.291712] ? check_memory_region+0x183/0x1b0 [ 35.291717] ? kvm_arch_sync_events+0x30/0x30 [ 35.291721] ? __sanitizer_cov_trace_const_cmp1 [ 35.291728] Lost 89 message(s)! [ 36.317442] ---[ end trace 400e9240a5a1baef ]--- [ 36.322205] RIP: 0010:__schedule+0xf48/0x1df0 [ 36.326702] 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 [ 36.345609] RSP: 0018:ffff8801b063ea80 EFLAGS: 00010806 [ 36.351002] RAX: 1bd5a00000000022 RBX: ffff8801ac31c680 RCX: 1ffff100357e288f [ 36.358270] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 36.365536] RBP: ffff8801b063ec50 R08: ffff8801ac31c680 R09: fffff520003c3a47 [ 36.372804] R10: fffff520003c3a47 R11: ffffc90001e1d23b R12: ffff8801ce1be000 [ 36.380074] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 36.387342] FS: 0000000001d5f880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 36.395563] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.401436] CR2: 000000000043ecae CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 36.408703] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.416272] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.423536] Kernel panic - not syncing: Fatal exception [ 37.499750] Shutting down cpus with NMI [ 37.504298] Dumping ftrace buffer: [ 37.507936] (ftrace buffer empty) [ 37.511634] Kernel Offset: disabled [ 37.515277] Rebooting in 86400 seconds..