[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.601771] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.719190] random: sshd: uninitialized urandom read (32 bytes read) [ 27.141471] random: sshd: uninitialized urandom read (32 bytes read) [ 27.675160] random: sshd: uninitialized urandom read (32 bytes read) [ 27.846214] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. [ 33.385117] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 33.481778] 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. [ 33.505867] kasan: CONFIG_KASAN_INLINE enabled [ 33.512852] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.520210] general protection fault: 0000 [#1] SMP KASAN [ 33.525753] CPU: 0 PID: 4612 Comm: syz-executor191 Not tainted 4.19.0-rc1+ #120 [ 33.533191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.542547] RIP: 0010:__schedule+0xf48/0x1df0 [ 33.547061] 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 9c e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 33.565957] RSP: 0018:ffff8801bcd7e9f0 EFLAGS: 00010806 [ 33.571317] RAX: 1bd5a00000000022 RBX: ffff8801bcaec6c0 RCX: 1ffff1003795f88f [ 33.578580] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 33.585843] RBP: ffff8801bcd7ebc0 R08: ffff8801bcaec6c0 R09: fffff520003d0a47 [ 33.593104] R10: fffff520003d0a47 R11: ffffc90001e8523b R12: ffff8801cde64000 [ 33.600368] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 33.607633] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 33.615854] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 33.621728] CR2: 00000000f7fc9c7f CR3: 000000000806a000 CR4: 00000000001426f0 [ 33.629455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.636717] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.643974] Call Trace: [ 33.646561] ? mark_held_locks+0x160/0x160 [ 33.650797] ? __sched_text_start+0x8/0x8 [ 33.654941] ? generic_exec_single+0x1ea/0x5e0 [ 33.659517] ? __lock_is_held+0xb5/0x140 [ 33.663584] ? check_same_owner+0x340/0x340 [ 33.667936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.673479] ? rcu_note_context_switch+0x680/0x680 [ 33.678408] ? add_nops+0x90/0x90 [ 33.681861] ? arch_jump_label_transform+0x1b/0x40 [ 33.686785] preempt_schedule_common+0x22/0x60 [ 33.691368] _cond_resched+0x1d/0x30 [ 33.695079] __mutex_lock+0x13d/0x1700 [ 33.698973] ? fill_pte+0xd6/0x420 [ 33.702510] ? arch_jump_label_transform+0x1b/0x40 [ 33.707440] ? mutex_trylock+0x2b0/0x2b0 [ 33.711495] ? find_held_lock+0x36/0x1c0 [ 33.715558] ? lock_downgrade+0x8f0/0x8f0 [ 33.719705] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.724020] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.729117] ? text_poke_bp+0x10c/0x16a [ 33.733086] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.738186] ? kvm_arch_vcpu_runnable+0x1bf/0x650 [ 33.743037] ? kvm_arch_vcpu_runnable+0x1be/0x650 [ 33.747876] ? kvm_arch_vcpu_runnable+0x1bf/0x650 [ 33.752727] ? kasan_check_write+0x14/0x20 [ 33.757279] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.762209] ? wait_for_completion+0x8d0/0x8d0 [ 33.766798] ? kvm_arch_vcpu_runnable+0x1be/0x650 [ 33.771639] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.777082] ? modules_open+0xa0/0xa0 [ 33.780881] ? kvm_vm_release+0x42/0x50 [ 33.784850] ? get_trap_addr+0x1d0/0x1d0 [ 33.788905] ? do_group_exit+0x177/0x440 [ 33.792972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.798509] ? jump_label_type+0x132/0x1d0 [ 33.802743] ? static_key_count+0x130/0x130 [ 33.807086] mutex_lock_nested+0x16/0x20 [ 33.811146] ? mutex_lock_nested+0x16/0x20 [ 33.815382] arch_jump_label_transform+0x1b/0x40 [ 33.820140] __jump_label_update+0x16e/0x1a0 [ 33.824548] jump_label_update+0x151/0x2e0 [ 33.828785] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.834249] ? static_key_disable+0x30/0x30 [ 33.838582] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.843596] static_key_slow_dec+0x63/0xa0 [ 33.847827] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.852319] kvm_vcpu_uninit+0x44/0x90 [ 33.856234] vmx_free_vcpu+0x23a/0x300 [ 33.860125] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.864541] ? check_memory_region+0x113/0x1b0 [ 33.869118] ? kvm_arch_sync_events+0x30/0x30 [ 33.873617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.879150] ? mmu_notifier_unregister+0x474/0x600 [ 33.884082] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.888513] ? kfree+0x111/0x210 [ 33.891880] ? __mmu_notifier_register+0x30/0x30 [ 33.896635] ? __free_pages+0x10a/0x190 [ 33.900605] ? free_unref_page+0x930/0x930 [ 33.904848] kvm_put_kvm+0x73f/0x1060 [ 33.908654] ? kvm_write_guest_cached+0x40/0x40 [ 33.913323] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.917811] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.922305] ? lockdep_hardirqs_on+0x421/0x5c0 [ 33.926913] ? kasan_check_write+0x14/0x20 [ 33.931143] ? do_raw_spin_lock+0xc1/0x200 [ 33.935398] ? kvm_irqfd_release+0xdd/0x120 [ 33.939714] ? kvm_irqfd_release+0xdd/0x120 [ 33.944031] ? kvm_put_kvm+0x1060/0x1060 [ 33.948090] kvm_vm_release+0x42/0x50 [ 33.951883] __fput+0x38a/0xa40 [ 33.955162] ? __alloc_file+0x400/0x400 [ 33.959138] ? check_same_owner+0x340/0x340 [ 33.963453] ? kasan_check_write+0x14/0x20 [ 33.967682] ? do_raw_spin_lock+0xc1/0x200 [ 33.971913] ____fput+0x15/0x20 [ 33.975190] task_work_run+0x1e8/0x2a0 [ 33.979075] ? task_work_cancel+0x240/0x240 [ 33.983396] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.988930] ? switch_task_namespaces+0xa2/0xd0 [ 33.993594] do_exit+0x1ae4/0x26e0 [ 33.997132] ? check_memory_region+0x111/0x1b0 [ 34.001758] ? mm_update_next_owner+0x9a0/0x9a0 [ 34.006423] ? kvm_set_memory_region+0x50/0x50 [ 34.011005] ? wait_for_completion+0x8d0/0x8d0 [ 34.015586] ? get_unused_fd_flags+0x1a0/0x1a0 [ 34.020163] ? kfree+0x111/0x210 [ 34.023544] ? kasan_check_read+0x11/0x20 [ 34.027687] ? rcu_is_watching+0x8c/0x150 [ 34.031830] ? rcu_pm_notify+0xc0/0xc0 [ 34.035719] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 34.039954] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.044963] ? kfree+0x1d7/0x210 [ 34.048330] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 34.052575] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 34.058299] ? kvm_dev_ioctl+0x18a/0x1b10 [ 34.062449] ? save_stack+0xa9/0xd0 [ 34.066074] ? save_stack+0x43/0xd0 [ 34.069698] ? __kasan_slab_free+0x11a/0x170 [ 34.074102] ? kmem_cache_free+0x86/0x280 [ 34.078253] ? putname+0xf2/0x130 [ 34.081715] ? __ia32_compat_sys_openat+0x98/0xf0 [ 34.086567] ? do_fast_syscall_32+0x34d/0xfb2 [ 34.091066] ? entry_SYSENTER_compat+0x70/0x7f [ 34.095645] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.100045] ? kasan_check_read+0x11/0x20 [ 34.104189] ? do_raw_spin_unlock+0xa7/0x2f0 [ 34.108612] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.113015] ? kasan_check_write+0x14/0x20 [ 34.117256] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.121659] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 34.126757] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.131258] ? kmem_cache_free+0xa0/0x280 [ 34.135405] ? kasan_check_read+0x11/0x20 [ 34.139579] ? rcu_is_watching+0x8c/0x150 [ 34.143721] ? rcu_pm_notify+0xc0/0xc0 [ 34.147609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.153141] ? __fget_light+0x2f7/0x440 [ 34.157120] ? kvm_vcpu_compat_ioctl+0x218/0x4a0 [ 34.161874] ? kvm_vcpu_ioctl+0x1280/0x1280 [ 34.166194] do_group_exit+0x177/0x440 [ 34.170084] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.174402] ? __ia32_sys_exit+0x50/0x50 [ 34.178458] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.183563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.189099] ? __ia32_compat_sys_ioctl+0x184/0x640 [ 34.194030] __ia32_sys_exit_group+0x3e/0x50 [ 34.198436] do_fast_syscall_32+0x34d/0xfb2 [ 34.202760] ? do_int80_syscall_32+0x890/0x890 [ 34.207340] ? entry_SYSENTER_compat+0x68/0x7f [ 34.211916] ? trace_hardirqs_off_caller+0xbb/0x2b0 [ 34.216933] ? syscall_return_slowpath+0x5e0/0x5e0 [ 34.221858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.226697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.231541] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 34.236554] ? prepare_exit_to_usermode+0x291/0x3b0 [ 34.241570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.246416] entry_SYSENTER_compat+0x70/0x7f [ 34.250818] RIP: 0023:0xf7fc9ca9 [ 34.254181] Code: Bad RIP value. [ 34.257552] RSP: 002b:00000000ffee5edc EFLAGS: 00000292 ORIG_RAX: 00000000000000fc [ 34.265261] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080ed2b8 [ 34.272524] RDX: 0000000000000000 RSI: 00000000080d7df8 RDI: 00000000080ed2c0 [ 34.279786] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 34.287044] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.294308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.301574] Modules linked in: [ 34.304765] Dumping ftrace buffer: [ 34.308292] (ftrace buffer empty) [ 34.311996] [ 34.312001] ====================================================== [ 34.312007] WARNING: possible circular locking dependency detected [ 34.312010] 4.19.0-rc1+ #120 Not tainted [ 34.312016] ------------------------------------------------------ [ 34.312021] syz-executor191/4612 is trying to acquire lock: [ 34.312024] 00000000ac5e044a ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 34.312039] [ 34.312043] but task is already holding lock: [ 34.312046] 00000000e02aa3a3 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.312060] [ 34.312065] which lock already depends on the new lock. [ 34.312067] [ 34.312070] [ 34.312075] the existing dependency chain (in reverse order) is: [ 34.312077] [ 34.312079] -> #2 (&rq->lock){-.-.}: [ 34.312093] _raw_spin_lock+0x2a/0x40 [ 34.312097] task_fork_fair+0x93/0x680 [ 34.312101] sched_fork+0x44b/0xbd0 [ 34.312105] copy_process+0x235e/0x7ad0 [ 34.312109] _do_fork+0x1ca/0x1170 [ 34.312113] kernel_thread+0x34/0x40 [ 34.312116] rest_init+0x22/0xe4 [ 34.312120] start_kernel+0x913/0x94e [ 34.312125] x86_64_start_reservations+0x29/0x2b [ 34.312129] x86_64_start_kernel+0x76/0x79 [ 34.312133] secondary_startup_64+0xa4/0xb0 [ 34.312135] [ 34.312138] -> #1 (&p->pi_lock){-.-.}: [ 34.312152] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.312156] try_to_wake_up+0xd2/0x1250 [ 34.312160] wake_up_process+0x10/0x20 [ 34.312164] __up.isra.1+0x1c0/0x2a0 [ 34.312167] up+0x13c/0x1c0 [ 34.312171] __up_console_sem+0xbe/0x1b0 [ 34.312175] console_unlock+0x506/0x10d0 [ 34.312179] vprintk_emit+0x33a/0x910 [ 34.312183] vprintk_default+0x28/0x30 [ 34.312187] vprintk_func+0x7a/0x117 [ 34.312190] printk+0xa7/0xcf [ 34.312194] load_umh+0x51/0xbd [ 34.312198] do_one_initcall+0x127/0x838 [ 34.312202] kernel_init_freeable+0x4bb/0x5ae [ 34.312206] kernel_init+0x11/0x1b3 [ 34.312210] ret_from_fork+0x3a/0x50 [ 34.312212] [ 34.312214] -> #0 ((console_sem).lock){-...}: [ 34.312242] lock_acquire+0x1e4/0x4f0 [ 34.312246] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.312250] down_trylock+0x13/0x70 [ 34.312255] __down_trylock_console_sem+0xae/0x200 [ 34.312259] console_trylock+0x15/0xa0 [ 34.312262] vprintk_emit+0x31f/0x910 [ 34.312266] vprintk_default+0x28/0x30 [ 34.312270] vprintk_func+0x7a/0x117 [ 34.312274] printk+0xa7/0xcf [ 34.312278] kasan_die_handler.cold.22+0x11/0x30 [ 34.312282] notifier_call_chain+0x180/0x390 [ 34.312287] atomic_notifier_call_chain+0x98/0x190 [ 34.312291] notify_die+0x1be/0x2e0 [ 34.312295] do_general_protection+0x248/0x2f0 [ 34.312299] general_protection+0x1e/0x30 [ 34.312303] __schedule+0xf48/0x1df0 [ 34.312307] preempt_schedule_common+0x22/0x60 [ 34.312311] _cond_resched+0x1d/0x30 [ 34.312315] __mutex_lock+0x13d/0x1700 [ 34.312319] mutex_lock_nested+0x16/0x20 [ 34.312323] arch_jump_label_transform+0x1b/0x40 [ 34.312327] __jump_label_update+0x16e/0x1a0 [ 34.312332] jump_label_update+0x151/0x2e0 [ 34.312336] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.312341] static_key_slow_dec+0x63/0xa0 [ 34.312345] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.312349] kvm_vcpu_uninit+0x44/0x90 [ 34.312353] vmx_free_vcpu+0x23a/0x300 [ 34.312357] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.312361] kvm_put_kvm+0x73f/0x1060 [ 34.312365] kvm_vm_release+0x42/0x50 [ 34.312368] __fput+0x38a/0xa40 [ 34.312372] ____fput+0x15/0x20 [ 34.312375] task_work_run+0x1e8/0x2a0 [ 34.312379] do_exit+0x1ae4/0x26e0 [ 34.312383] do_group_exit+0x177/0x440 [ 34.312387] __ia32_sys_exit_group+0x3e/0x50 [ 34.312391] do_fast_syscall_32+0x34d/0xfb2 [ 34.312396] entry_SYSENTER_compat+0x70/0x7f [ 34.312398] [ 34.312402] other info that might help us debug this: [ 34.312404] [ 34.312408] Chain exists of: [ 34.312410] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 34.312428] [ 34.312432] Possible unsafe locking scenario: [ 34.312434] [ 34.312438] CPU0 CPU1 [ 34.312442] ---- ---- [ 34.312445] lock(&rq->lock); [ 34.312454] lock(&p->pi_lock); [ 34.312463] lock(&rq->lock); [ 34.312471] lock((console_sem).lock); [ 34.312480] [ 34.312483] *** DEADLOCK *** [ 34.312485] [ 34.312489] 4 locks held by syz-executor191/4612: [ 34.312491] #0: 00000000b869f812 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 34.312510] #1: 0000000053339a80 (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 34.312528] #2: 00000000e02aa3a3 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.312545] #3: 00000000c7dbd673 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 34.312563] [ 34.312566] stack backtrace: [ 34.312572] CPU: 0 PID: 4612 Comm: syz-executor191 Not tainted 4.19.0-rc1+ #120 [ 34.312579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.312582] Call Trace: [ 34.312586] dump_stack+0x1c9/0x2b4 [ 34.312590] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.312594] ? vprintk_func+0x100/0x117 [ 34.312599] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 34.312603] ? save_trace+0xe0/0x290 [ 34.312607] __lock_acquire+0x3449/0x5020 [ 34.312611] ? mark_held_locks+0x160/0x160 [ 34.312615] ? mark_held_locks+0x160/0x160 [ 34.312619] ? update_load_avg+0x389/0x27d0 [ 34.312624] ? __update_load_avg_blocked_se+0x730/0x730 [ 34.312628] ? attach_entity_load_avg+0x860/0x860 [ 34.312632] ? graph_lock+0x170/0x170 [ 34.312636] ? attach_entity_load_avg+0x860/0x860 [ 34.312640] ? graph_lock+0x170/0x170 [ 34.312645] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.312649] lock_acquire+0x1e4/0x4f0 [ 34.312653] ? down_trylock+0x13/0x70 [ 34.312657] ? lock_release+0x9f0/0x9f0 [ 34.312661] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.312665] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.312669] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.312673] ? log_store+0x34f/0x4c0 [ 34.312677] ? vprintk_emit+0x31f/0x910 [ 34.312681] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.312685] ? down_trylock+0x13/0x70 [ 34.312704] down_trylock+0x13/0x70 [ 34.312708] __down_trylock_console_sem+0xae/0x200 [ 34.312712] console_trylock+0x15/0xa0 [ 34.312731] vprintk_emit+0x31f/0x910 [ 34.312735] ? wake_up_klogd+0x110/0x110 [ 34.312739] ? __lock_acquire+0x7fc/0x5020 [ 34.312743] ? mark_held_locks+0x160/0x160 [ 34.312747] vprintk_default+0x28/0x30 [ 34.312750] vprintk_func+0x7a/0x117 [ 34.312753] printk+0xa7/0xcf [ 34.312757] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.312762] ? kasan_die_handler.cold.22+0x5/0x30 [ 34.312765] ? kasan_die_handler+0x1a/0x31 [ 34.312769] kasan_die_handler.cold.22+0x11/0x30 [ 34.312773] notifier_call_chain+0x180/0x390 [ 34.312777] ? unregister_die_notifier+0x20/0x20 [ 34.312781] ? rcu_is_watching+0x8c/0x150 [ 34.312785] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.312789] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.312793] ? cmp_ex_search+0x8c/0xb0 [ 34.312797] atomic_notifier_call_chain+0x98/0x190 [ 34.312800] notify_die+0x1be/0x2e0 [ 34.312805] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 34.312809] ? search_module_extables+0x18/0xc0 [ 34.312813] ? __schedule+0xf48/0x1df0 [ 34.312816] ? __schedule+0xf48/0x1df0 [ 34.312820] ? search_exception_tables+0x47/0x50 [ 34.312824] do_general_protection+0x248/0x2f0 [ 34.312828] general_protection+0x1e/0x30 [ 34.312832] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.312844] 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 9c e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 34.312848] RSP: 0018:ffff8801bcd7e9f0 EFLAGS: 00010806 [ 34.312856] RAX: 1bd5a00000000022 RBX: ffff8801bcaec6c0 RCX: 1ffff1003795f88f [ 34.312876] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.312882] RBP: ffff8801bcd7ebc0 R08: ffff8801bcaec6c0 R09: fffff520003d0a47 [ 34.312888] R10: fffff520003d0a47 R11: ffffc90001e8523b R12: ffff8801cde64000 [ 34.312894] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 34.312897] ? mark_held_locks+0x160/0x160 [ 34.312901] ? __sched_text_start+0x8/0x8 [ 34.312906] ? generic_exec_single+0x1ea/0x5e0 [ 34.312909] ? __lock_is_held+0xb5/0x140 [ 34.312914] ? check_same_owner+0x340/0x340 [ 34.312918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.312923] ? rcu_note_context_switch+0x680/0x680 [ 34.312926] ? add_nops+0x90/0x90 [ 34.312945] ? arch_jump_label_transform+0x1b/0x40 [ 34.312950] preempt_schedule_common+0x22/0x60 [ 34.312953] _cond_resched+0x1d/0x30 [ 34.312957] __mutex_lock+0x13d/0x1700 [ 34.312961] ? fill_pte+0xd6/0x420 [ 34.312965] ? arch_jump_label_transform+0x1b/0x40 [ 34.312970] ? mutex_trylock+0x2b0/0x2b0 [ 34.312973] ? find_held_lock+0x36/0x1c0 [ 34.312978] ? lock_downgrade+0x8f0/0x8f0 [ 34.312982] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.312986] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.312990] ? text_poke_bp+0x10c/0x16a [ 34.312995] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.312999] ? kvm_arch_vcpu_runnable+0x1bf/0x650 [ 34.313004] ? kvm_arch_vcpu_runnable+0x1be/0x650 [ 34.313008] ? kvm_arch_vcpu_runnable+0x1bf/0x650 [ 34.313012] ? kasan_check_write+0x14/0x20 [ 34.313017] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 34.313021] ? wait_for_completion+0x8d0/0x8d0 [ 34.313025] ? kvm_arch_vcpu_runnable+0x1be/0x650 [ 34.313030] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 34.313034] ? modules_open+0xa0/0xa0 [ 34.313038] ? kvm_vm_release+0x42/0x50 [ 34.313042] ? get_trap_addr+0x1d0/0x1d0 [ 34.313045] ? do_group_exit+0x177/0x440 [ 34.313050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.313054] ? jump_label_type+0x132/0x1d0 [ 34.313058] ? static_key_count+0x130/0x130 [ 34.313062] mutex_lock_nested+0x16/0x20 [ 34.313066] ? mutex_lock_nested+0x16/0x20 [ 34.313071] arch_jump_label_transform+0x1b/0x40 [ 34.313075] __jump_label_update+0x16e/0x1a0 [ 34.313079] jump_label_update+0x151/0x2e0 [ 34.313084] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.313088] ? static_key_disable+0x30/0x30 [ 34.313092] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.313096] static_key_slow_dec+0x63/0xa0 [ 34.313101] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.313105] kvm_vcpu_uninit+0x44/0x90 [ 34.313108] vmx_free_vcpu+0x23a/0x300 [ 34.313112] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.313116] ? check_memory_regi [ 34.313123] Lost 96 message(s)! [ 35.338707] ---[ end trace dfc722ae2836efc8 ]--- [ 35.343469] RIP: 0010:__schedule+0xf48/0x1df0 [ 35.347959] 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 9c e8 fa eb 9f 4c 89 e6 48 89 df e8 ef [ 35.366859] RSP: 0018:ffff8801bcd7e9f0 EFLAGS: 00010806 [ 35.372217] RAX: 1bd5a00000000022 RBX: ffff8801bcaec6c0 RCX: 1ffff1003795f88f [ 35.379499] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 35.386762] RBP: ffff8801bcd7ebc0 R08: ffff8801bcaec6c0 R09: fffff520003d0a47 [ 35.394027] R10: fffff520003d0a47 R11: ffffc90001e8523b R12: ffff8801cde64000 [ 35.401289] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 35.408555] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 35.416773] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 35.422646] CR2: 00000000f7fc9c7f CR3: 000000000806a000 CR4: 00000000001426f0 [ 35.429917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.437178] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.444440] Kernel panic - not syncing: Fatal exception [ 36.523615] Shutting down cpus with NMI [ 36.527947] Dumping ftrace buffer: [ 36.531471] (ftrace buffer empty) [ 36.535159] Kernel Offset: disabled [ 36.538767] Rebooting in 86400 seconds..