[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 24.526976] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.474288] random: sshd: uninitialized urandom read (32 bytes read) [ 26.796887] random: sshd: uninitialized urandom read (32 bytes read) [ 27.358003] random: sshd: uninitialized urandom read (32 bytes read) [ 27.526346] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts. [ 33.132413] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 33.228953] 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. [ 33.253529] kasan: CONFIG_KASAN_INLINE enabled [ 33.260524] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.267883] general protection fault: 0000 [#1] SMP KASAN [ 33.273425] CPU: 1 PID: 4514 Comm: syz-executor179 Not tainted 4.18.0+ #103 [ 33.280524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.289884] RIP: 0010:__schedule+0xf48/0x1df0 [ 33.294383] 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 cc a6 0a fb eb 9f 4c 89 e6 48 89 df e8 cf [ 33.313294] RSP: 0018:ffff8801d99a6a30 EFLAGS: 00010806 [ 33.318669] RAX: 1bd5a00000000022 RBX: ffff8801abd18780 RCX: 1ffff1003839088f [ 33.325946] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 33.333233] RBP: ffff8801d99a6c00 R08: ffff8801abd18780 R09: fffff520003bea47 [ 33.340504] R10: fffff520003bea47 R11: ffffc90001df523b R12: ffff8801d9858640 [ 33.347772] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 33.355046] FS: 0000000000000000(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 33.363269] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 33.369148] CR2: 00000000f7f3bc7f CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 33.376421] Call Trace: [ 33.379053] ? __sched_text_start+0x8/0x8 [ 33.383207] ? generic_exec_single+0x1ea/0x5e0 [ 33.387789] ? __lock_is_held+0xb5/0x140 [ 33.391866] ? check_same_owner+0x340/0x340 [ 33.396210] ? check_same_owner+0x340/0x340 [ 33.400537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.406087] ? add_nops+0x90/0x90 [ 33.409541] ? arch_jump_label_transform+0x1b/0x40 [ 33.414475] preempt_schedule_common+0x22/0x60 [ 33.419057] _cond_resched+0x1d/0x30 [ 33.422769] __mutex_lock+0x13d/0x1700 [ 33.426657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.432205] ? fill_pte+0xd6/0x420 [ 33.435744] ? arch_jump_label_transform+0x1b/0x40 [ 33.440676] ? find_next_and_bit+0x165/0x1d0 [ 33.445087] ? mutex_trylock+0x2b0/0x2b0 [ 33.449151] ? find_held_lock+0x36/0x1c0 [ 33.453215] ? lock_downgrade+0x8f0/0x8f0 [ 33.457414] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.461741] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.466850] ? text_poke_bp+0x10c/0x16a [ 33.470824] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.475942] ? kvm_vcpu_ioctl_x86_get_vcpu_events+0x715/0x9e0 [ 33.481831] ? kvm_vcpu_ioctl_x86_get_vcpu_events+0x716/0x9e0 [ 33.487733] ? kasan_check_write+0x14/0x20 [ 33.491972] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.496902] ? wait_for_completion+0x8d0/0x8d0 [ 33.501486] ? kvm_vcpu_ioctl_x86_get_vcpu_events+0x715/0x9e0 [ 33.507374] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.512824] ? modules_open+0xa0/0xa0 [ 33.516649] ? kvm_vm_release+0x42/0x50 [ 33.520624] ? get_trap_addr+0x1d0/0x1d0 [ 33.524682] ? do_group_exit+0x177/0x440 [ 33.528753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.534290] ? jump_label_type+0x132/0x1d0 [ 33.538530] mutex_lock_nested+0x16/0x20 [ 33.542591] ? mutex_lock_nested+0x16/0x20 [ 33.546825] arch_jump_label_transform+0x1b/0x40 [ 33.551611] __jump_label_update+0x16e/0x1a0 [ 33.556023] jump_label_update+0x151/0x2e0 [ 33.560262] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.565714] ? static_key_disable+0x30/0x30 [ 33.570039] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.575064] static_key_slow_dec+0x63/0xa0 [ 33.579297] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.583796] kvm_vcpu_uninit+0x44/0x90 [ 33.587683] vmx_free_vcpu+0x23a/0x300 [ 33.591582] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.596015] ? check_memory_region+0x103/0x1b0 [ 33.600601] ? kvm_arch_sync_events+0x30/0x30 [ 33.605104] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.610643] ? mmu_notifier_unregister+0x474/0x600 [ 33.615570] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.619975] ? kfree+0x111/0x210 [ 33.623344] ? __mmu_notifier_register+0x30/0x30 [ 33.628103] ? __free_pages+0x10a/0x190 [ 33.632081] ? free_unref_page+0x930/0x930 [ 33.636325] kvm_put_kvm+0x73f/0x1060 [ 33.640134] ? kvm_write_guest_cached+0x40/0x40 [ 33.644821] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.649322] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.653821] ? lockdep_hardirqs_on+0x421/0x5c0 [ 33.658422] ? kasan_check_write+0x14/0x20 [ 33.662671] ? do_raw_spin_lock+0xc1/0x200 [ 33.666918] ? kvm_irqfd_release+0xdd/0x120 [ 33.671242] ? kvm_put_kvm+0x1060/0x1060 [ 33.675301] kvm_vm_release+0x42/0x50 [ 33.679103] __fput+0x39b/0x860 [ 33.682382] ? file_free_rcu+0x90/0x90 [ 33.686273] ? check_same_owner+0x340/0x340 [ 33.690595] ? kasan_check_write+0x14/0x20 [ 33.694846] ? do_raw_spin_lock+0xc1/0x200 [ 33.699093] ____fput+0x15/0x20 [ 33.702390] task_work_run+0x1e8/0x2a0 [ 33.706290] ? task_work_cancel+0x240/0x240 [ 33.710639] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.716178] ? switch_task_namespaces+0xa2/0xd0 [ 33.720859] do_exit+0x1ae4/0x26e0 [ 33.724411] ? check_memory_region+0x101/0x1b0 [ 33.728995] ? mm_update_next_owner+0x9a0/0x9a0 [ 33.733673] ? kvm_set_memory_region+0x50/0x50 [ 33.738272] ? wait_for_completion+0x8d0/0x8d0 [ 33.742862] ? get_unused_fd_flags+0x1a0/0x1a0 [ 33.747444] ? kfree+0x111/0x210 [ 33.750822] ? kasan_check_read+0x11/0x20 [ 33.754981] ? rcu_is_watching+0x8c/0x150 [ 33.759128] ? rcu_pm_notify+0xc0/0xc0 [ 33.763019] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 33.767254] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.772279] ? kfree+0x1d7/0x210 [ 33.775648] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 33.779912] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 33.785625] ? kvm_dev_ioctl+0x18a/0x1b10 [ 33.789775] ? save_stack+0xa9/0xd0 [ 33.793397] ? save_stack+0x43/0xd0 [ 33.797028] ? __kasan_slab_free+0x11a/0x170 [ 33.801444] ? kasan_slab_free+0xe/0x10 [ 33.805422] ? putname+0xf2/0x130 [ 33.808885] ? do_sys_open+0x569/0x760 [ 33.812785] ? do_fast_syscall_32+0x34d/0xfb2 [ 33.817279] ? entry_SYSENTER_compat+0x70/0x7f [ 33.821865] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.826281] ? kasan_check_read+0x11/0x20 [ 33.830448] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.834875] ? kasan_check_write+0x14/0x20 [ 33.839113] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.843539] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 33.848638] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.853049] ? kasan_check_read+0x11/0x20 [ 33.857195] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.861530] ? rcu_pm_notify+0xc0/0xc0 [ 33.865443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.870988] ? __fget_light+0x2f7/0x440 [ 33.874995] ? kvm_vcpu_compat_ioctl+0x218/0x4a0 [ 33.879751] ? kvm_vcpu_ioctl+0x1280/0x1280 [ 33.884074] do_group_exit+0x177/0x440 [ 33.887965] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.892295] ? __ia32_sys_exit+0x50/0x50 [ 33.896353] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.901458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.906998] ? __ia32_compat_sys_ioctl+0x184/0x640 [ 33.911929] __ia32_sys_exit_group+0x3e/0x50 [ 33.916350] do_fast_syscall_32+0x34d/0xfb2 [ 33.920675] ? do_int80_syscall_32+0x890/0x890 [ 33.925269] ? entry_SYSENTER_compat+0x68/0x7f [ 33.929854] ? trace_hardirqs_off_caller+0xbb/0x2b0 [ 33.934878] ? syscall_return_slowpath+0x5e0/0x5e0 [ 33.939806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.944652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.949528] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 33.954546] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 33.959561] ? prepare_exit_to_usermode+0x291/0x3b0 [ 33.964591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.969441] entry_SYSENTER_compat+0x70/0x7f [ 33.973858] RIP: 0023:0xf7f3bca9 [ 33.977228] Code: Bad RIP value. [ 33.980585] RSP: 002b:00000000ff9d61cc EFLAGS: 00000296 ORIG_RAX: 00000000000000fc [ 33.988292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080eb2b8 [ 33.995560] RDX: 0000000000000000 RSI: 00000000080d5d18 RDI: 00000000080eb2c0 [ 34.002850] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 34.010119] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.017400] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.024677] Modules linked in: [ 34.027883] Dumping ftrace buffer: [ 34.031425] (ftrace buffer empty) [ 34.035131] [ 34.035137] ====================================================== [ 34.035142] WARNING: possible circular locking dependency detected [ 34.035146] 4.18.0+ #103 Not tainted [ 34.035151] ------------------------------------------------------ [ 34.035156] syz-executor179/4514 is trying to acquire lock: [ 34.035159] 000000005c73c312 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 34.035173] [ 34.035177] but task is already holding lock: [ 34.035180] 00000000cffe1a2d (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.035194] [ 34.035199] which lock already depends on the new lock. [ 34.035201] [ 34.035203] [ 34.035208] the existing dependency chain (in reverse order) is: [ 34.035210] [ 34.035213] -> #2 (&rq->lock){-.-.}: [ 34.035226] _raw_spin_lock+0x2a/0x40 [ 34.035230] task_fork_fair+0x93/0x680 [ 34.035234] sched_fork+0x44b/0xbd0 [ 34.035238] copy_process.part.36+0x1c7c/0x70d0 [ 34.035242] _do_fork+0x291/0x1220 [ 34.035246] kernel_thread+0x34/0x40 [ 34.035249] rest_init+0x22/0xe4 [ 34.035253] start_kernel+0x913/0x94e [ 34.035257] x86_64_start_reservations+0x29/0x2b [ 34.035261] x86_64_start_kernel+0x76/0x79 [ 34.035265] secondary_startup_64+0xa4/0xb0 [ 34.035267] [ 34.035270] -> #1 (&p->pi_lock){-.-.}: [ 34.035295] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.035299] try_to_wake_up+0xd2/0x1250 [ 34.035303] wake_up_process+0x10/0x20 [ 34.035306] __up.isra.1+0x1c0/0x2a0 [ 34.035309] up+0x13c/0x1c0 [ 34.035313] __up_console_sem+0xbe/0x1b0 [ 34.035317] console_unlock+0x506/0x10d0 [ 34.035320] do_con_write+0x1375/0x23d0 [ 34.035324] con_write+0x25/0xc0 [ 34.035327] n_tty_write+0x6c1/0x11a0 [ 34.035331] tty_write+0x3f1/0x880 [ 34.035334] __vfs_write+0x117/0x9d0 [ 34.035338] vfs_write+0x1f8/0x560 [ 34.035341] ksys_write+0x101/0x260 [ 34.035345] __x64_sys_write+0x73/0xb0 [ 34.035349] do_syscall_64+0x1b9/0x820 [ 34.035353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.035355] [ 34.035357] -> #0 ((console_sem).lock){-...}: [ 34.035371] lock_acquire+0x1e4/0x4f0 [ 34.035375] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.035378] down_trylock+0x13/0x70 [ 34.035382] __down_trylock_console_sem+0xae/0x200 [ 34.035386] console_trylock+0x15/0xa0 [ 34.035390] vprintk_emit+0x31f/0x910 [ 34.035393] vprintk_default+0x28/0x30 [ 34.035397] vprintk_func+0x7a/0x117 [ 34.035400] printk+0xa7/0xcf [ 34.035404] kasan_die_handler.cold.22+0x11/0x30 [ 34.035414] notifier_call_chain+0x180/0x390 [ 34.035418] atomic_notifier_call_chain+0x98/0x190 [ 34.035422] notify_die+0x1be/0x2e0 [ 34.035426] do_general_protection+0x248/0x2f0 [ 34.035430] general_protection+0x1e/0x30 [ 34.035433] __schedule+0xf48/0x1df0 [ 34.035437] preempt_schedule_common+0x22/0x60 [ 34.035441] _cond_resched+0x1d/0x30 [ 34.035444] __mutex_lock+0x13d/0x1700 [ 34.035448] mutex_lock_nested+0x16/0x20 [ 34.035452] arch_jump_label_transform+0x1b/0x40 [ 34.035456] __jump_label_update+0x16e/0x1a0 [ 34.035460] jump_label_update+0x151/0x2e0 [ 34.035465] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.035468] static_key_slow_dec+0x63/0xa0 [ 34.035472] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.035476] kvm_vcpu_uninit+0x44/0x90 [ 34.035480] vmx_free_vcpu+0x23a/0x300 [ 34.035483] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.035487] kvm_put_kvm+0x73f/0x1060 [ 34.035491] kvm_vm_release+0x42/0x50 [ 34.035494] __fput+0x39b/0x860 [ 34.035497] ____fput+0x15/0x20 [ 34.035501] task_work_run+0x1e8/0x2a0 [ 34.035505] do_exit+0x1ae4/0x26e0 [ 34.035508] do_group_exit+0x177/0x440 [ 34.035512] __ia32_sys_exit_group+0x3e/0x50 [ 34.035516] do_fast_syscall_32+0x34d/0xfb2 [ 34.035520] entry_SYSENTER_compat+0x70/0x7f [ 34.035522] [ 34.035526] other info that might help us debug this: [ 34.035528] [ 34.035531] Chain exists of: [ 34.035533] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 34.035551] [ 34.035554] Possible unsafe locking scenario: [ 34.035557] [ 34.035560] CPU0 CPU1 [ 34.035576] ---- ---- [ 34.035579] lock(&rq->lock); [ 34.035598] lock(&p->pi_lock); [ 34.035607] lock(&rq->lock); [ 34.035615] lock((console_sem).lock); [ 34.035623] [ 34.035626] *** DEADLOCK *** [ 34.035628] [ 34.035632] 4 locks held by syz-executor179/4514: [ 34.035634] #0: 0000000023efaa3a (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 34.035652] #1: 000000002c543266 (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 34.035670] #2: 00000000cffe1a2d (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.035686] #3: 000000007ba2a106 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 34.035703] [ 34.035707] stack backtrace: [ 34.035712] CPU: 1 PID: 4514 Comm: syz-executor179 Not tainted 4.18.0+ #103 [ 34.035719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.035722] Call Trace: [ 34.035726] dump_stack+0x1c9/0x2b4 [ 34.035730] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.035734] ? vprintk_func+0x100/0x117 [ 34.035739] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 34.035742] ? save_trace+0xe0/0x290 [ 34.035746] __lock_acquire+0x3449/0x5020 [ 34.035750] ? mark_held_locks+0x160/0x160 [ 34.035754] ? mark_held_locks+0x160/0x160 [ 34.035758] ? update_load_avg+0x389/0x27d0 [ 34.035763] ? __update_load_avg_blocked_se+0x730/0x730 [ 34.035767] ? attach_entity_load_avg+0x860/0x860 [ 34.035771] ? attach_entity_load_avg+0x860/0x860 [ 34.035775] ? graph_lock+0x170/0x170 [ 34.035780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.035783] lock_acquire+0x1e4/0x4f0 [ 34.035787] ? down_trylock+0x13/0x70 [ 34.035791] ? lock_release+0x9f0/0x9f0 [ 34.035795] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.035799] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.035803] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.035807] ? log_store+0x34f/0x4c0 [ 34.035810] ? vprintk_emit+0x31f/0x910 [ 34.035814] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.035818] ? down_trylock+0x13/0x70 [ 34.035822] down_trylock+0x13/0x70 [ 34.035826] __down_trylock_console_sem+0xae/0x200 [ 34.035830] console_trylock+0x15/0xa0 [ 34.035833] vprintk_emit+0x31f/0x910 [ 34.035858] ? wake_up_klogd+0x110/0x110 [ 34.035862] ? __lock_acquire+0x7fc/0x5020 [ 34.035866] ? mark_held_locks+0x160/0x160 [ 34.035869] vprintk_default+0x28/0x30 [ 34.035873] vprintk_func+0x7a/0x117 [ 34.035876] printk+0xa7/0xcf [ 34.035880] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.035884] ? kasan_die_handler.cold.22+0x5/0x30 [ 34.035888] ? kasan_die_handler+0x1a/0x31 [ 34.035892] kasan_die_handler.cold.22+0x11/0x30 [ 34.035908] notifier_call_chain+0x180/0x390 [ 34.035913] ? unregister_die_notifier+0x20/0x20 [ 34.035917] ? rcu_is_watching+0x8c/0x150 [ 34.035921] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.035925] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.035929] ? cmp_ex_search+0x8c/0xb0 [ 34.035933] atomic_notifier_call_chain+0x98/0x190 [ 34.035937] notify_die+0x1be/0x2e0 [ 34.035942] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 34.035946] ? search_module_extables+0x18/0xc0 [ 34.035949] ? __schedule+0xf48/0x1df0 [ 34.035953] ? __schedule+0xf48/0x1df0 [ 34.035957] ? search_exception_tables+0x47/0x50 [ 34.035962] do_general_protection+0x248/0x2f0 [ 34.035966] general_protection+0x1e/0x30 [ 34.035970] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.035982] 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 cc a6 0a fb eb 9f 4c 89 e6 48 89 df e8 cf [ 34.035986] RSP: 0018:ffff8801d99a6a30 EFLAGS: 00010806 [ 34.035995] RAX: 1bd5a00000000022 RBX: ffff8801abd18780 RCX: 1ffff1003839088f [ 34.036001] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.036006] RBP: ffff8801d99a6c00 R08: ffff8801abd18780 R09: fffff520003bea47 [ 34.036012] R10: fffff520003bea47 R11: ffffc90001df523b R12: ffff8801d9858640 [ 34.036018] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 34.036021] ? __sched_text_start+0x8/0x8 [ 34.036026] ? generic_exec_single+0x1ea/0x5e0 [ 34.036029] ? __lock_is_held+0xb5/0x140 [ 34.036034] ? check_same_owner+0x340/0x340 [ 34.036038] ? check_same_owner+0x340/0x340 [ 34.036042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.036046] ? add_nops+0x90/0x90 [ 34.036050] ? arch_jump_label_transform+0x1b/0x40 [ 34.036054] preempt_schedule_common+0x22/0x60 [ 34.036058] _cond_resched+0x1d/0x30 [ 34.036062] __mutex_lock+0x13d/0x1700 [ 34.036066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.036070] ? fill_pte+0xd6/0x420 [ 34.036074] ? arch_jump_label_transform+0x1b/0x40 [ 34.036078] ? find_next_and_bit+0x165/0x1d0 [ 34.036082] ? mutex_trylock+0x2b0/0x2b0 [ 34.036086] ? find_held_lock+0x36/0x1c0 [ 34.036090] ? lock_downgrade+0x8f0/0x8f0 [ 34.036094] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.036098] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.036102] ? text_poke_bp+0x10c/0x16a [ 34.036107] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.036111] ? kvm_vcpu_ioctl_x86_get_vcpu_events+0x715/0x9e0 [ 34.036116] ? kvm_vcpu_ioctl_x86_get_vcpu_events+0x716/0x9e0 [ 34.036120] ? kasan_check_write+0x14/0x20 [ 34.036125] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 34.036129] ? wait_for_completion+0x8d0/0x8d0 [ 34.036134] ? kvm_vcpu_ioctl_x86_get_vcpu_events+0x715/0x9e0 [ 34.036138] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 34.036142] ? modules_open+0xa0/0xa0 [ 34.036146] ? kvm_vm_release+0x42/0x50 [ 34.036150] ? get_trap_addr+0x1d0/0x1d0 [ 34.036154] ? do_group_exit+0x177/0x440 [ 34.036158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.036162] ? jump_label_type+0x132/0x1d0 [ 34.036166] mutex_lock_nested+0x16/0x20 [ 34.036170] ? mutex_lock_nested+0x16/0x20 [ 34.036174] arch_jump_label_transform+0x1b/0x40 [ 34.036178] __jump_label_update+0x16e/0x1a0 [ 34.036182] jump_label_update+0x151/0x2e0 [ 34.036187] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.036191] ? static_key_disable+0x30/0x30 [ 34.036195] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.036199] static_key_slow_dec+0x63/0xa0 [ 34.036203] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.036207] kvm_vcpu_uninit+0x44/0x90 [ 34.036211] vmx_free_vcpu+0x23a/0x300 [ 34.036215] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.036217]  [ 34.036224] Lost 94 message(s)! [ 35.062639] ---[ end trace 45f641c8870cf8eb ]--- [ 35.067396] RIP: 0010:__schedule+0xf48/0x1df0 [ 35.071898] 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 cc a6 0a fb eb 9f 4c 89 e6 48 89 df e8 cf [ 35.090824] RSP: 0018:ffff8801d99a6a30 EFLAGS: 00010806 [ 35.096196] RAX: 1bd5a00000000022 RBX: ffff8801abd18780 RCX: 1ffff1003839088f [ 35.103487] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 35.110759] RBP: ffff8801d99a6c00 R08: ffff8801abd18780 R09: fffff520003bea47 [ 35.118026] R10: fffff520003bea47 R11: ffffc90001df523b R12: ffff8801d9858640 [ 35.125294] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db12cc40 [ 35.132564] FS: 0000000000000000(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 35.140787] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 35.146665] CR2: 00000000f7f3bc7f CR3: 0000000007e6a000 CR4: 00000000001426e0 [ 35.153946] Kernel panic - not syncing: Fatal exception [ 36.256195] Shutting down cpus with NMI [ 36.260607] Dumping ftrace buffer: [ 36.264140] (ftrace buffer empty) [ 36.267832] Kernel Offset: disabled [ 36.271483] Rebooting in 86400 seconds..