[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 23.239842] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.462443] random: sshd: uninitialized urandom read (32 bytes read) [ 26.770655] random: sshd: uninitialized urandom read (32 bytes read) [ 27.298865] random: sshd: uninitialized urandom read (32 bytes read) [ 30.596065] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. [ 36.212455] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 36.306560] 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. [ 36.331159] kasan: CONFIG_KASAN_INLINE enabled [ 36.338112] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.345467] general protection fault: 0000 [#1] SMP KASAN [ 36.351006] CPU: 0 PID: 4458 Comm: syz-executor273 Not tainted 4.18.0+ #202 [ 36.358100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.367454] RIP: 0010:__schedule+0xf48/0x1df0 [ 36.371946] 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 [ 36.390843] RSP: 0018:ffff8801b52c6a80 EFLAGS: 00010806 [ 36.396203] RAX: 1bd5a00000000022 RBX: ffff8801d969c640 RCX: 1ffff10035f4988f [ 36.403467] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 36.410732] RBP: ffff8801b52c6c50 R08: ffff8801d969c640 R09: fffff520003c4a47 [ 36.418004] R10: fffff520003c4a47 R11: ffffc90001e2523b R12: ffff8801ca59a040 [ 36.425277] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 36.432546] FS: 00000000015a0880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 36.440772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.446651] CR2: 000000000043ec9e CR3: 00000001cabf0000 CR4: 00000000001426f0 [ 36.453917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.461182] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.468445] Call Trace: [ 36.471031] ? mark_held_locks+0x160/0x160 [ 36.475260] ? print_usage_bug+0xc0/0xc0 [ 36.479320] ? __sched_text_start+0x8/0x8 [ 36.483501] ? __lock_is_held+0xb5/0x140 [ 36.487572] ? check_same_owner+0x340/0x340 [ 36.491902] ? smp_call_function_single+0x2d6/0x5c0 [ 36.496920] ? add_nops+0x90/0x90 [ 36.500371] ? arch_jump_label_transform+0x1b/0x40 [ 36.505295] preempt_schedule_common+0x22/0x60 [ 36.509873] _cond_resched+0x1d/0x30 [ 36.513581] __mutex_lock+0x13d/0x1700 [ 36.517469] ? fill_pte+0xd6/0x420 [ 36.521016] ? arch_jump_label_transform+0x1b/0x40 [ 36.525946] ? mutex_trylock+0x2b0/0x2b0 [ 36.530001] ? find_held_lock+0x36/0x1c0 [ 36.534070] ? lock_downgrade+0x8f0/0x8f0 [ 36.538213] ? trace_hardirqs_on+0xbd/0x2c0 [ 36.542528] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 36.547623] ? text_poke_bp+0x10c/0x16a [ 36.551591] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 36.556701] ? kvm_can_do_async_pf+0xf/0x2f0 [ 36.561161] ? kvm_can_do_async_pf+0x10/0x2f0 [ 36.565682] ? kasan_check_write+0x14/0x20 [ 36.569925] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 36.574852] ? wait_for_completion+0x8d0/0x8d0 [ 36.579445] ? kvm_can_do_async_pf+0xf/0x2f0 [ 36.583854] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 36.589300] ? modules_open+0xa0/0xa0 [ 36.593101] ? kvm_vm_release+0x42/0x50 [ 36.597071] ? get_trap_addr+0x1d0/0x1d0 [ 36.601131] ? do_group_exit+0x177/0x440 [ 36.605194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.610729] ? jump_label_type+0x132/0x1d0 [ 36.614971] ? static_key_count+0x130/0x130 [ 36.619295] mutex_lock_nested+0x16/0x20 [ 36.623351] ? mutex_lock_nested+0x16/0x20 [ 36.627589] arch_jump_label_transform+0x1b/0x40 [ 36.632363] __jump_label_update+0x16e/0x1a0 [ 36.636792] jump_label_update+0x151/0x2e0 [ 36.641033] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.646486] ? static_key_disable+0x30/0x30 [ 36.650812] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.655828] static_key_slow_dec+0x63/0xa0 [ 36.660060] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 36.664556] kvm_vcpu_uninit+0x44/0x90 [ 36.668457] vmx_free_vcpu+0x23a/0x300 [ 36.672340] kvm_arch_destroy_vm+0x365/0x7c0 [ 36.676756] ? check_memory_region+0x183/0x1b0 [ 36.681336] ? kvm_arch_sync_events+0x30/0x30 [ 36.685834] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.691369] ? mmu_notifier_unregister+0x474/0x600 [ 36.696294] ? trace_hardirqs_on+0x2c0/0x2c0 [ 36.700700] ? kfree+0x111/0x210 [ 36.704067] ? __mmu_notifier_register+0x30/0x30 [ 36.708822] ? __free_pages+0x10a/0x190 [ 36.712796] ? free_unref_page+0x930/0x930 [ 36.717042] kvm_put_kvm+0x73f/0x1060 [ 36.720849] ? kvm_write_guest_cached+0x40/0x40 [ 36.725522] ? _raw_spin_unlock_irq+0x27/0x70 [ 36.730020] ? _raw_spin_unlock_irq+0x27/0x70 [ 36.734511] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.739099] ? kasan_check_write+0x14/0x20 [ 36.743333] ? do_raw_spin_lock+0xc1/0x200 [ 36.747568] ? kvm_irqfd_release+0xdd/0x120 [ 36.751890] ? kvm_put_kvm+0x1060/0x1060 [ 36.755948] kvm_vm_release+0x42/0x50 [ 36.759746] __fput+0x36e/0x8c0 [ 36.763038] ? __alloc_file+0x400/0x400 [ 36.767017] ? check_same_owner+0x340/0x340 [ 36.771337] ? kasan_check_write+0x14/0x20 [ 36.775570] ? do_raw_spin_lock+0xc1/0x200 [ 36.779805] ____fput+0x15/0x20 [ 36.783085] task_work_run+0x1e8/0x2a0 [ 36.786970] ? task_work_cancel+0x240/0x240 [ 36.791293] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.796828] ? switch_task_namespaces+0xa2/0xd0 [ 36.801541] do_exit+0x1ae4/0x26e0 [ 36.805080] ? mm_update_next_owner+0x9a0/0x9a0 [ 36.809758] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 36.813994] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.819015] ? kfree+0x1d7/0x210 [ 36.822380] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 36.826614] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 36.832357] ? is_bpf_text_address+0xd7/0x170 [ 36.836862] ? kernel_text_address+0x79/0xf0 [ 36.841264] ? __kernel_text_address+0xd/0x40 [ 36.845778] ? unwind_get_return_address+0x61/0xa0 [ 36.850704] ? __save_stack_trace+0x8d/0xf0 [ 36.855037] ? save_stack+0xa9/0xd0 [ 36.858660] ? save_stack+0x43/0xd0 [ 36.862283] ? __kasan_slab_free+0x11a/0x170 [ 36.866690] ? kasan_slab_free+0xe/0x10 [ 36.870663] ? putname+0xf2/0x130 [ 36.874114] ? __x64_sys_openat+0x9d/0x100 [ 36.878352] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.883720] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.888338] ? retint_kernel+0x10/0x10 [ 36.892225] ? trace_hardirqs_on_caller+0xc0/0x2b0 [ 36.897148] ? trace_hardirqs_on+0x2c0/0x2c0 [ 36.901557] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.906322] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 36.911787] ? initcall_blacklisted+0x9a/0x1e0 [ 36.916373] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 36.922153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.927702] ? do_vfs_ioctl+0x201/0x1720 [ 36.931770] ? rcu_is_watching+0x8c/0x150 [ 36.935921] ? ioctl_preallocate+0x300/0x300 [ 36.940326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.945888] ? __fget_light+0x2f7/0x440 [ 36.949892] ? fget_raw+0x20/0x20 [ 36.953376] ? putname+0xf2/0x130 [ 36.956831] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.961842] ? kmem_cache_free+0x246/0x280 [ 36.966086] ? putname+0xf7/0x130 [ 36.969537] do_group_exit+0x177/0x440 [ 36.973418] ? trace_hardirqs_on+0xbd/0x2c0 [ 36.977734] ? __ia32_sys_exit+0x50/0x50 [ 36.981798] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 36.986906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.992448] ? ksys_ioctl+0x81/0xd0 [ 36.996082] __x64_sys_exit_group+0x3e/0x50 [ 37.000405] do_syscall_64+0x1b9/0x820 [ 37.004313] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.009677] ? syscall_return_slowpath+0x5e0/0x5e0 [ 37.014605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.019449] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 37.024497] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.029514] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.034533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.039381] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.044564] RIP: 0033:0x43ecc8 [ 37.047768] Code: Bad RIP value. [ 37.051128] RSP: 002b:00007ffca8463e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.058835] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ecc8 [ 37.066098] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 37.073589] RBP: 00000000004be588 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 37.080869] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 37.088135] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 37.095402] Modules linked in: [ 37.098598] Dumping ftrace buffer: [ 37.102126] (ftrace buffer empty) [ 37.105835] [ 37.105841] ====================================================== [ 37.105846] WARNING: possible circular locking dependency detected [ 37.105850] 4.18.0+ #202 Not tainted [ 37.105855] ------------------------------------------------------ [ 37.105860] syz-executor273/4458 is trying to acquire lock: [ 37.105864] 00000000860da9ee ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 37.105878] [ 37.105882] but task is already holding lock: [ 37.105885] 000000004fdc1f7d (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 37.105899] [ 37.105904] which lock already depends on the new lock. [ 37.105906] [ 37.105909] [ 37.105914] the existing dependency chain (in reverse order) is: [ 37.105916] [ 37.105918] -> #2 (&rq->lock){-.-.}: [ 37.105932] _raw_spin_lock+0x2a/0x40 [ 37.105936] task_fork_fair+0x93/0x680 [ 37.105940] sched_fork+0x44b/0xbd0 [ 37.105944] copy_process+0x235e/0x7a00 [ 37.105947] _do_fork+0x1ca/0x1170 [ 37.105951] kernel_thread+0x34/0x40 [ 37.105955] rest_init+0x22/0xe4 [ 37.105959] start_kernel+0x913/0x94e [ 37.105963] x86_64_start_reservations+0x29/0x2b [ 37.105967] x86_64_start_kernel+0x76/0x79 [ 37.105972] secondary_startup_64+0xa4/0xb0 [ 37.105974] [ 37.105976] -> #1 (&p->pi_lock){-.-.}: [ 37.105991] _raw_spin_lock_irqsave+0x96/0xc0 [ 37.105995] try_to_wake_up+0xd2/0x1250 [ 37.105998] wake_up_process+0x10/0x20 [ 37.106002] __up.isra.1+0x1c0/0x2a0 [ 37.106006] up+0x13c/0x1c0 [ 37.106015] __up_console_sem+0xbe/0x1b0 [ 37.106020] console_unlock+0x506/0x10d0 [ 37.106023] vprintk_emit+0x33a/0x910 [ 37.106027] vprintk_default+0x28/0x30 [ 37.106031] vprintk_func+0x7a/0x117 [ 37.106035] printk+0xa7/0xcf [ 37.106038] load_umh+0x51/0xbd [ 37.106042] do_one_initcall+0x127/0x838 [ 37.106046] kernel_init_freeable+0x49b/0x58e [ 37.106050] kernel_init+0x11/0x1b3 [ 37.106054] ret_from_fork+0x3a/0x50 [ 37.106056] [ 37.106059] -> #0 ((console_sem).lock){-...}: [ 37.106073] lock_acquire+0x1e4/0x4f0 [ 37.106077] _raw_spin_lock_irqsave+0x96/0xc0 [ 37.106081] down_trylock+0x13/0x70 [ 37.106085] __down_trylock_console_sem+0xae/0x200 [ 37.106089] console_trylock+0x15/0xa0 [ 37.106093] vprintk_emit+0x31f/0x910 [ 37.106097] vprintk_default+0x28/0x30 [ 37.106101] vprintk_func+0x7a/0x117 [ 37.106104] printk+0xa7/0xcf [ 37.106109] kasan_die_handler.cold.22+0x11/0x30 [ 37.106113] notifier_call_chain+0x180/0x390 [ 37.106117] atomic_notifier_call_chain+0x98/0x190 [ 37.106121] notify_die+0x1be/0x2e0 [ 37.106125] do_general_protection+0x248/0x2f0 [ 37.106129] general_protection+0x1e/0x30 [ 37.106133] __schedule+0xf48/0x1df0 [ 37.106138] preempt_schedule_common+0x22/0x60 [ 37.106141] _cond_resched+0x1d/0x30 [ 37.106145] __mutex_lock+0x13d/0x1700 [ 37.106149] mutex_lock_nested+0x16/0x20 [ 37.106154] arch_jump_label_transform+0x1b/0x40 [ 37.106158] __jump_label_update+0x16e/0x1a0 [ 37.106162] jump_label_update+0x151/0x2e0 [ 37.106167] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 37.106171] static_key_slow_dec+0x63/0xa0 [ 37.106175] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 37.106179] kvm_vcpu_uninit+0x44/0x90 [ 37.106183] vmx_free_vcpu+0x23a/0x300 [ 37.106187] kvm_arch_destroy_vm+0x365/0x7c0 [ 37.106191] kvm_put_kvm+0x73f/0x1060 [ 37.106195] kvm_vm_release+0x42/0x50 [ 37.106198] __fput+0x36e/0x8c0 [ 37.106202] ____fput+0x15/0x20 [ 37.106206] task_work_run+0x1e8/0x2a0 [ 37.106209] do_exit+0x1ae4/0x26e0 [ 37.106213] do_group_exit+0x177/0x440 [ 37.106217] __x64_sys_exit_group+0x3e/0x50 [ 37.106221] do_syscall_64+0x1b9/0x820 [ 37.106226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.106228] [ 37.106233] other info that might help us debug this: [ 37.106235] [ 37.106238] Chain exists of: [ 37.106240] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 37.106258] [ 37.106262] Possible unsafe locking scenario: [ 37.106264] [ 37.106268] CPU0 CPU1 [ 37.106272] ---- ---- [ 37.106274] lock(&rq->lock); [ 37.106284] lock(&p->pi_lock); [ 37.106293] lock(&rq->lock); [ 37.106301] lock((console_sem).lock); [ 37.106309] [ 37.106312] *** DEADLOCK *** [ 37.106314] [ 37.106318] 4 locks held by syz-executor273/4458: [ 37.106321] #0: 00000000a4ac6951 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 37.106339] #1: 00000000c69dfb2d (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 37.106357] #2: 000000004fdc1f7d (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 37.106373] #3: 000000009fe6a800 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 37.106391] [ 37.106394] stack backtrace: [ 37.106400] CPU: 0 PID: 4458 Comm: syz-executor273 Not tainted 4.18.0+ #202 [ 37.106407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.106410] Call Trace: [ 37.106414] dump_stack+0x1c9/0x2b4 [ 37.106419] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.106422] ? vprintk_func+0x100/0x117 [ 37.106427] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 37.106431] ? save_trace+0xe0/0x290 [ 37.106435] __lock_acquire+0x3449/0x5020 [ 37.106439] ? mark_held_locks+0x160/0x160 [ 37.106443] ? mark_held_locks+0x160/0x160 [ 37.106447] ? update_load_avg+0x389/0x27d0 [ 37.106452] ? __update_load_avg_blocked_se+0x730/0x730 [ 37.106456] ? attach_entity_load_avg+0x860/0x860 [ 37.106460] ? graph_lock+0x170/0x170 [ 37.106464] ? attach_entity_load_avg+0x860/0x860 [ 37.106468] ? graph_lock+0x170/0x170 [ 37.106473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.106477] lock_acquire+0x1e4/0x4f0 [ 37.106481] ? down_trylock+0x13/0x70 [ 37.106484] ? lock_release+0x9f0/0x9f0 [ 37.106489] ? trace_hardirqs_off+0xb8/0x2b0 [ 37.106493] ? trace_hardirqs_on+0x2c0/0x2c0 [ 37.106497] ? trace_hardirqs_off+0xb8/0x2b0 [ 37.106501] ? log_store+0x34f/0x4c0 [ 37.106504] ? vprintk_emit+0x31f/0x910 [ 37.106509] _raw_spin_lock_irqsave+0x96/0xc0 [ 37.106513] ? down_trylock+0x13/0x70 [ 37.106517] down_trylock+0x13/0x70 [ 37.106521] __down_trylock_console_sem+0xae/0x200 [ 37.106525] console_trylock+0x15/0xa0 [ 37.106529] vprintk_emit+0x31f/0x910 [ 37.106533] ? wake_up_klogd+0x110/0x110 [ 37.106537] ? __lock_acquire+0x7fc/0x5020 [ 37.106541] ? mark_held_locks+0x160/0x160 [ 37.106545] vprintk_default+0x28/0x30 [ 37.106548] vprintk_func+0x7a/0x117 [ 37.106552] printk+0xa7/0xcf [ 37.106556] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 37.106560] ? kasan_die_handler.cold.22+0x5/0x30 [ 37.106564] ? kasan_die_handler+0x1a/0x31 [ 37.106569] kasan_die_handler.cold.22+0x11/0x30 [ 37.106573] notifier_call_chain+0x180/0x390 [ 37.106577] ? unregister_die_notifier+0x20/0x20 [ 37.106581] ? rcu_is_watching+0x8c/0x150 [ 37.106585] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 37.106589] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 37.106593] ? cmp_ex_search+0x8c/0xb0 [ 37.106598] atomic_notifier_call_chain+0x98/0x190 [ 37.106601] notify_die+0x1be/0x2e0 [ 37.106606] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 37.106610] ? search_module_extables+0x18/0xc0 [ 37.106614] ? __schedule+0xf48/0x1df0 [ 37.106618] ? __schedule+0xf48/0x1df0 [ 37.106622] ? search_exception_tables+0x47/0x50 [ 37.106627] do_general_protection+0x248/0x2f0 [ 37.106631] general_protection+0x1e/0x30 [ 37.106635] RIP: 0010:__schedule+0xf48/0x1df0 [ 37.106648] 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 [ 37.106653] RSP: 0018:ffff8801b52c6a80 EFLAGS: 00010806 [ 37.106661] RAX: 1bd5a00000000022 RBX: ffff8801d969c640 RCX: 1ffff10035f4988f [ 37.106667] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 37.106673] RBP: ffff8801b52c6c50 R08: ffff8801d969c640 R09: fffff520003c4a47 [ 37.106679] R10: fffff520003c4a47 R11: ffffc90001e2523b R12: ffff8801ca59a040 [ 37.106685] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 37.106689] ? mark_held_locks+0x160/0x160 [ 37.106693] ? print_usage_bug+0xc0/0xc0 [ 37.106697] ? __sched_text_start+0x8/0x8 [ 37.106701] ? __lock_is_held+0xb5/0x140 [ 37.106705] ? check_same_owner+0x340/0x340 [ 37.106710] ? smp_call_function_single+0x2d6/0x5c0 [ 37.106713] ? add_nops+0x90/0x90 [ 37.106718] ? arch_jump_label_transform+0x1b/0x40 [ 37.106722] preempt_schedule_common+0x22/0x60 [ 37.106726] _cond_resched+0x1d/0x30 [ 37.106730] __mutex_lock+0x13d/0x1700 [ 37.106733] ? fill_pte+0xd6/0x420 [ 37.106738] ? arch_jump_label_transform+0x1b/0x40 [ 37.106742] ? mutex_trylock+0x2b0/0x2b0 [ 37.106746] ? find_held_lock+0x36/0x1c0 [ 37.106757] ? lock_downgrade+0x8f0/0x8f0 [ 37.106761] ? trace_hardirqs_on+0xbd/0x2c0 [ 37.106766] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 37.106770] ? text_poke_bp+0x10c/0x16a [ 37.106774] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 37.106779] ? kvm_can_do_async_pf+0xf/0x2f0 [ 37.106783] ? kvm_can_do_async_pf+0x10/0x2f0 [ 37.106787] ? kasan_check_write+0x14/0x20 [ 37.106792] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 37.106796] ? wait_for_completion+0x8d0/0x8d0 [ 37.106800] ? kvm_can_do_async_pf+0xf/0x2f0 [ 37.106805] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 37.106809] ? modules_open+0xa0/0xa0 [ 37.106813] ? kvm_vm_release+0x42/0x50 [ 37.106817] ? get_trap_addr+0x1d0/0x1d0 [ 37.106821] ? do_group_exit+0x177/0x440 [ 37.106825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.106829] ? jump_label_type+0x132/0x1d0 [ 37.106834] ? static_key_count+0x130/0x130 [ 37.106838] mutex_lock_nested+0x16/0x20 [ 37.106842] ? mutex_lock_nested+0x16/0x20 [ 37.106846] arch_jump_label_transform+0x1b/0x40 [ 37.106850] __jump_label_update+0x16e/0x1a0 [ 37.106854] jump_label_update+0x151/0x2e0 [ 37.106859] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 37.106863] ? static_key_disable+0x30/0x30 [ 37.106867] ? rcu_read_lock_sched_held+0x108/0x120 [ 37.106871] static_key_slow_dec+0x63/0xa0 [ 37.106876] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 37.106879] kvm_vcpu_uninit+0x44/0x90 [ 37.106883] vmx_free_vcpu+0x23a/0x300 [ 37.106887] kvm_arch_destroy_vm+0x365/0x7c0 [ 37.106892] ? check_memory_region+0x183/0x1b0 [ 37.106896] ? kvm_arch_sync_events+0x30/0x30 [ 37.106901] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.106903] ? mmu_noti [ 37.106911] Lost 88 message(s)! [ 38.133840] ---[ end trace 71b61937ef16ffba ]--- [ 38.138611] RIP: 0010:__schedule+0xf48/0x1df0 [ 38.143113] 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 [ 38.162026] RSP: 0018:ffff8801b52c6a80 EFLAGS: 00010806 [ 38.167390] RAX: 1bd5a00000000022 RBX: ffff8801d969c640 RCX: 1ffff10035f4988f [ 38.174659] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 38.181946] RBP: ffff8801b52c6c50 R08: ffff8801d969c640 R09: fffff520003c4a47 [ 38.189212] R10: fffff520003c4a47 R11: ffffc90001e2523b R12: ffff8801ca59a040 [ 38.196493] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 38.204118] FS: 00000000015a0880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 38.212339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.218214] CR2: 000000000043ec9e CR3: 00000001cabf0000 CR4: 00000000001426f0 [ 38.225483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.232756] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.240023] Kernel panic - not syncing: Fatal exception [ 39.324949] Shutting down cpus with NMI [ 39.329311] Dumping ftrace buffer: [ 39.332842] (ftrace buffer empty) [ 39.336532] Kernel Offset: disabled [ 39.340141] Rebooting in 86400 seconds..