[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.721203] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.154692] random: sshd: uninitialized urandom read (32 bytes read) [ 25.531101] random: sshd: uninitialized urandom read (32 bytes read) [ 26.088061] random: sshd: uninitialized urandom read (32 bytes read) [ 32.359226] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts. [ 37.898375] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 37.993584] 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. [ 38.014726] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 38.030599] kasan: CONFIG_KASAN_INLINE enabled [ 38.036487] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 38.043824] general protection fault: 0000 [#1] SMP KASAN [ 38.049336] CPU: 0 PID: 4648 Comm: syz-executor694 Not tainted 4.19.0-rc1-next-20180831+ #53 [ 38.057883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.067215] RIP: 0010:__schedule+0xf48/0x1df0 [ 38.071684] 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 3c af e6 fa eb 9f 4c 89 e6 48 89 df e8 bf [ 38.090569] RSP: 0018:ffff8801ba496a30 EFLAGS: 00010806 [ 38.095916] RAX: 1bd5a00000000022 RBX: ffff8801bba58340 RCX: 1ffff1003707e88f [ 38.103162] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 38.110408] RBP: ffff8801ba496c00 R08: ffff8801bba58340 R09: fffff520003cfa47 [ 38.117660] R10: fffff520003cfa47 R11: ffffc90001e7d23b R12: ffff8801bd3d6640 [ 38.124913] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 38.132264] FS: 0000000001743880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 38.140467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.146330] CR2: 000000000044304e CR3: 000000000806a000 CR4: 00000000001426f0 [ 38.153577] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.160832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.168182] Call Trace: [ 38.170754] ? __sched_text_start+0x8/0x8 [ 38.174882] ? generic_exec_single+0x1ea/0x5e0 [ 38.179441] ? __lock_is_held+0xb5/0x140 [ 38.183489] ? check_same_owner+0x340/0x340 [ 38.187791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.193314] ? rcu_note_context_switch+0x680/0x680 [ 38.198222] ? add_nops+0x90/0x90 [ 38.201658] ? arch_jump_label_transform+0x1b/0x40 [ 38.206566] preempt_schedule_common+0x22/0x60 [ 38.211127] _cond_resched+0x1d/0x30 [ 38.214818] __mutex_lock+0x13d/0x1700 [ 38.218682] ? retint_kernel+0x10/0x10 [ 38.222551] ? arch_jump_label_transform+0x1b/0x40 [ 38.227473] ? find_next_and_bit+0x165/0x1d0 [ 38.231866] ? mutex_trylock+0x2b0/0x2b0 [ 38.235905] ? find_held_lock+0x36/0x1c0 [ 38.239945] ? lock_downgrade+0x8f0/0x8f0 [ 38.244081] ? trace_hardirqs_on+0xbd/0x2c0 [ 38.248381] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.253502] ? text_poke_bp+0x10c/0x16a [ 38.257471] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.262560] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 38.268084] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1f/0x3a0 [ 38.273725] ? kasan_check_write+0x14/0x20 [ 38.277942] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 38.282851] ? wait_for_completion+0x8d0/0x8d0 [ 38.287419] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 38.292982] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 38.298417] ? modules_open+0xa0/0xa0 [ 38.302200] ? kvm_vm_release+0x42/0x50 [ 38.306149] ? get_trap_addr+0x1d0/0x1d0 [ 38.310216] ? do_group_exit+0x177/0x440 [ 38.314275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.319802] ? jump_label_type+0x132/0x1d0 [ 38.324015] mutex_lock_nested+0x16/0x20 [ 38.328054] ? mutex_lock_nested+0x16/0x20 [ 38.332268] arch_jump_label_transform+0x1b/0x40 [ 38.337003] __jump_label_update+0x16e/0x1a0 [ 38.341416] jump_label_update+0x151/0x2e0 [ 38.345631] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 38.351060] ? static_key_disable+0x30/0x30 [ 38.355382] ? rcu_read_lock_sched_held+0x108/0x120 [ 38.360380] static_key_slow_dec+0x63/0xa0 [ 38.364596] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 38.369073] kvm_vcpu_uninit+0x44/0x90 [ 38.372938] vmx_free_vcpu+0x23a/0x300 [ 38.376803] kvm_arch_destroy_vm+0x365/0x7c0 [ 38.381297] ? kasan_check_read+0x13/0x20 [ 38.385461] ? kvm_arch_sync_events+0x30/0x30 [ 38.389950] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.395474] ? mmu_notifier_unregister+0x474/0x600 [ 38.400388] ? trace_hardirqs_on+0x2c0/0x2c0 [ 38.404775] ? kfree+0x111/0x210 [ 38.408120] ? __mmu_notifier_register+0x30/0x30 [ 38.412854] ? __free_pages+0x10a/0x190 [ 38.416807] ? free_unref_page+0x930/0x930 [ 38.421027] kvm_put_kvm+0x73f/0x1060 [ 38.424810] ? kvm_write_guest_cached+0x40/0x40 [ 38.429464] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.433944] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.438418] ? kasan_check_write+0x14/0x20 [ 38.442633] ? do_raw_spin_lock+0xc1/0x200 [ 38.446849] ? kvm_irqfd_release+0xdd/0x120 [ 38.451146] ? kvm_irqfd_release+0xdd/0x120 [ 38.455446] kvm_vm_release+0x42/0x50 [ 38.459224] __fput+0x3c1/0xa80 [ 38.462489] ? kvm_put_kvm+0x1060/0x1060 [ 38.466545] ? __alloc_file+0x400/0x400 [ 38.470513] ? check_same_owner+0x340/0x340 [ 38.474819] ? kasan_check_write+0x14/0x20 [ 38.479033] ? do_raw_spin_lock+0xc1/0x200 [ 38.483253] ____fput+0x15/0x20 [ 38.486515] task_work_run+0x1e8/0x2a0 [ 38.490382] ? task_work_cancel+0x240/0x240 [ 38.494686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.500200] ? switch_task_namespaces+0xa2/0xd0 [ 38.504914] do_exit+0x1ae4/0x26e0 [ 38.508449] ? mm_update_next_owner+0x9a0/0x9a0 [ 38.513097] ? lockdep_hardirqs_on+0x421/0x5c0 [ 38.517722] ? trace_hardirqs_on+0xbd/0x2c0 [ 38.522028] ? mark_held_locks+0x160/0x160 [ 38.526241] ? kasan_check_write+0x14/0x20 [ 38.530453] ? do_raw_spin_lock+0xc1/0x200 [ 38.534667] ? __call_rcu.constprop.68+0x3bc/0xb30 [ 38.539572] ? __call_rcu.constprop.68+0x3bc/0xb30 [ 38.544495] ? lockdep_hardirqs_on+0x421/0x5c0 [ 38.549057] ? trace_hardirqs_on+0xbd/0x2c0 [ 38.553354] ? rcu_is_watching+0x8c/0x150 [ 38.557498] ? call_rcu_sched+0x12/0x20 [ 38.561448] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.566529] ? kfree+0x111/0x210 [ 38.569873] ? kfree+0x111/0x210 [ 38.573221] ? note_gp_changes+0x420/0x420 [ 38.577434] ? __kasan_slab_free+0x131/0x170 [ 38.581820] ? graph_lock+0x170/0x170 [ 38.585777] ? kzfree+0x28/0x30 [ 38.589058] ? kzfree+0x28/0x30 [ 38.592339] ? blkcg_maybe_throttle_current+0xa56/0x10c0 [ 38.597800] ? blkcg_print_stat+0x1420/0x1420 [ 38.602305] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.606798] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.611303] ? lockdep_hardirqs_on+0x421/0x5c0 [ 38.615883] ? trace_hardirqs_on+0xbd/0x2c0 [ 38.620202] ? kasan_check_read+0x11/0x20 [ 38.624364] ? task_work_run+0x1af/0x2a0 [ 38.628425] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.633541] ? kasan_check_write+0x14/0x20 [ 38.637778] ? do_raw_spin_lock+0xc1/0x200 [ 38.642274] ? trace_hardirqs_off+0xb8/0x2b0 [ 38.646713] ? do_syscall_64+0x6be/0x820 [ 38.650775] ? trace_hardirqs_on+0x2c0/0x2c0 [ 38.655177] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.660285] do_group_exit+0x177/0x440 [ 38.664170] ? trace_hardirqs_on+0xbd/0x2c0 [ 38.668497] ? __ia32_sys_exit+0x50/0x50 [ 38.672558] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.677661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.683197] __x64_sys_exit_group+0x3e/0x50 [ 38.687537] do_syscall_64+0x1b9/0x820 [ 38.691435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.696798] ? syscall_return_slowpath+0x5e0/0x5e0 [ 38.701726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.706570] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 38.711587] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 38.716603] ? prepare_exit_to_usermode+0x291/0x3b0 [ 38.721623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.726488] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.731676] RIP: 0033:0x443078 [ 38.734874] Code: Bad RIP value. [ 38.738232] RSP: 002b:00007ffe30b89a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.745943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000443078 [ 38.753211] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 38.760478] RBP: 00000000004c2ee8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 38.767753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 38.775287] R13: 00000000006d5180 R14: 0000000000000000 R15: 0000000000000000 [ 38.782563] Modules linked in: [ 38.785759] Dumping ftrace buffer: [ 38.789291] (ftrace buffer empty) [ 38.792997] [ 38.793002] ====================================================== [ 38.793008] WARNING: possible circular locking dependency detected [ 38.793013] 4.19.0-rc1-next-20180831+ #53 Not tainted [ 38.793018] ------------------------------------------------------ [ 38.793023] syz-executor694/4648 is trying to acquire lock: [ 38.793027] 000000008f69326b ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 38.793042] [ 38.793046] but task is already holding lock: [ 38.793049] 00000000b8a226d5 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 38.793063] [ 38.793068] which lock already depends on the new lock. [ 38.793070] [ 38.793073] [ 38.793078] the existing dependency chain (in reverse order) is: [ 38.793080] [ 38.793083] -> #2 (&rq->lock){-.-.}: [ 38.793097] _raw_spin_lock+0x2a/0x40 [ 38.793101] task_fork_fair+0x93/0x680 [ 38.793105] sched_fork+0x44b/0xbd0 [ 38.793109] copy_process+0x235e/0x7af0 [ 38.793113] _do_fork+0x1ca/0x1170 [ 38.793117] kernel_thread+0x34/0x40 [ 38.793120] rest_init+0x22/0xe4 [ 38.793124] start_kernel+0x913/0x94e [ 38.793129] x86_64_start_reservations+0x29/0x2b [ 38.793133] x86_64_start_kernel+0x76/0x79 [ 38.793138] secondary_startup_64+0xa4/0xb0 [ 38.793140] [ 38.793142] -> #1 (&p->pi_lock){-.-.}: [ 38.793157] _raw_spin_lock_irqsave+0x96/0xc0 [ 38.793161] try_to_wake_up+0xd2/0x1250 [ 38.793165] wake_up_process+0x10/0x20 [ 38.793169] __up.isra.1+0x1c0/0x2a0 [ 38.793172] up+0x13c/0x1c0 [ 38.793176] __up_console_sem+0xbe/0x1b0 [ 38.793181] console_unlock+0x506/0x10d0 [ 38.793184] vprintk_emit+0x33a/0x910 [ 38.793188] vprintk_default+0x28/0x30 [ 38.793192] vprintk_func+0x7a/0x117 [ 38.793196] printk+0xa7/0xcf [ 38.793200] load_umh+0x51/0xbd [ 38.793204] do_one_initcall+0x127/0x838 [ 38.793208] kernel_init_freeable+0x4bb/0x5ae [ 38.793212] kernel_init+0x11/0x1b3 [ 38.793216] ret_from_fork+0x3a/0x50 [ 38.793218] [ 38.793221] -> #0 ((console_sem).lock){-...}: [ 38.793235] lock_acquire+0x1e4/0x4f0 [ 38.793240] _raw_spin_lock_irqsave+0x96/0xc0 [ 38.793244] down_trylock+0x13/0x70 [ 38.793248] __down_trylock_console_sem+0xae/0x200 [ 38.793252] console_trylock+0x15/0xa0 [ 38.793256] vprintk_emit+0x31f/0x910 [ 38.793260] vprintk_default+0x28/0x30 [ 38.793264] vprintk_func+0x7a/0x117 [ 38.793267] printk+0xa7/0xcf [ 38.793272] kasan_die_handler.cold.22+0x11/0x30 [ 38.793276] notifier_call_chain+0x180/0x390 [ 38.793281] atomic_notifier_call_chain+0x98/0x190 [ 38.793285] notify_die+0x1be/0x2e0 [ 38.793289] do_general_protection+0x248/0x2f0 [ 38.793293] general_protection+0x1e/0x30 [ 38.793297] __schedule+0xf48/0x1df0 [ 38.793302] preempt_schedule_common+0x22/0x60 [ 38.793306] _cond_resched+0x1d/0x30 [ 38.793310] __mutex_lock+0x13d/0x1700 [ 38.793314] mutex_lock_nested+0x16/0x20 [ 38.793318] arch_jump_label_transform+0x1b/0x40 [ 38.793323] __jump_label_update+0x16e/0x1a0 [ 38.793327] jump_label_update+0x151/0x2e0 [ 38.793332] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 38.793336] static_key_slow_dec+0x63/0xa0 [ 38.793340] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 38.793344] kvm_vcpu_uninit+0x44/0x90 [ 38.793348] vmx_free_vcpu+0x23a/0x300 [ 38.793352] kvm_arch_destroy_vm+0x365/0x7c0 [ 38.793356] kvm_put_kvm+0x73f/0x1060 [ 38.793360] kvm_vm_release+0x42/0x50 [ 38.793364] __fput+0x3c1/0xa80 [ 38.793368] ____fput+0x15/0x20 [ 38.793371] task_work_run+0x1e8/0x2a0 [ 38.793375] do_exit+0x1ae4/0x26e0 [ 38.793379] do_group_exit+0x177/0x440 [ 38.793384] __x64_sys_exit_group+0x3e/0x50 [ 38.793388] do_syscall_64+0x1b9/0x820 [ 38.793392] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.793395] [ 38.793399] other info that might help us debug this: [ 38.793401] [ 38.793404] Chain exists of: [ 38.793407] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 38.793425] [ 38.793429] Possible unsafe locking scenario: [ 38.793432] [ 38.793436] CPU0 CPU1 [ 38.793440] ---- ---- [ 38.793442] lock(&rq->lock); [ 38.793452] lock(&p->pi_lock); [ 38.793461] lock(&rq->lock); [ 38.793469] lock((console_sem).lock); [ 38.793477] [ 38.793488] *** DEADLOCK *** [ 38.793490] [ 38.793495] 4 locks held by syz-executor694/4648: [ 38.793497] #0: 00000000137acf42 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 38.793515] #1: 0000000062b3d0af (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 38.793534] #2: 00000000b8a226d5 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 38.793551] #3: 00000000c5474756 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 38.793569] [ 38.793573] stack backtrace: [ 38.793579] CPU: 0 PID: 4648 Comm: syz-executor694 Not tainted 4.19.0-rc1-next-20180831+ #53 [ 38.793587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.793590] Call Trace: [ 38.793594] dump_stack+0x1c9/0x2b4 [ 38.793599] ? dump_stack_print_info.cold.2+0x52/0x52 [ 38.793602] ? vprintk_func+0x100/0x117 [ 38.793608] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 38.793611] ? save_trace+0xe0/0x290 [ 38.793615] __lock_acquire+0x3449/0x5020 [ 38.793620] ? mark_held_locks+0x160/0x160 [ 38.793624] ? mark_held_locks+0x160/0x160 [ 38.793628] ? update_load_avg+0x389/0x27d0 [ 38.793633] ? __update_load_avg_blocked_se+0x730/0x730 [ 38.793637] ? attach_entity_load_avg+0x860/0x860 [ 38.793641] ? graph_lock+0x170/0x170 [ 38.793646] ? attach_entity_load_avg+0x860/0x860 [ 38.793650] ? graph_lock+0x170/0x170 [ 38.793655] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.793659] lock_acquire+0x1e4/0x4f0 [ 38.793662] ? down_trylock+0x13/0x70 [ 38.793666] ? lock_release+0x9f0/0x9f0 [ 38.793671] ? trace_hardirqs_off+0xb8/0x2b0 [ 38.793675] ? trace_hardirqs_on+0x2c0/0x2c0 [ 38.793679] ? trace_hardirqs_off+0xb8/0x2b0 [ 38.793683] ? log_store+0x34f/0x4c0 [ 38.793687] ? vprintk_emit+0x31f/0x910 [ 38.793691] _raw_spin_lock_irqsave+0x96/0xc0 [ 38.793695] ? down_trylock+0x13/0x70 [ 38.793704] down_trylock+0x13/0x70 [ 38.793708] __down_trylock_console_sem+0xae/0x200 [ 38.793712] console_trylock+0x15/0xa0 [ 38.793716] vprintk_emit+0x31f/0x910 [ 38.793720] ? wake_up_klogd+0x110/0x110 [ 38.793724] ? __lock_acquire+0x7fc/0x5020 [ 38.793728] ? mark_held_locks+0x160/0x160 [ 38.793732] vprintk_default+0x28/0x30 [ 38.793736] vprintk_func+0x7a/0x117 [ 38.793740] printk+0xa7/0xcf [ 38.793744] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 38.793749] ? kasan_die_handler.cold.22+0x5/0x30 [ 38.793753] ? kasan_die_handler+0x1a/0x31 [ 38.793757] kasan_die_handler.cold.22+0x11/0x30 [ 38.793761] notifier_call_chain+0x180/0x390 [ 38.793766] ? unregister_die_notifier+0x20/0x20 [ 38.793770] ? rcu_is_watching+0x8c/0x150 [ 38.793774] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 38.793779] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 38.793783] ? cmp_ex_search+0x8c/0xb0 [ 38.793787] atomic_notifier_call_chain+0x98/0x190 [ 38.793791] notify_die+0x1be/0x2e0 [ 38.793796] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 38.793800] ? search_module_extables+0x18/0xc0 [ 38.793804] ? __schedule+0xf48/0x1df0 [ 38.793808] ? __schedule+0xf48/0x1df0 [ 38.793813] ? search_exception_tables+0x47/0x50 [ 38.793817] do_general_protection+0x248/0x2f0 [ 38.793821] general_protection+0x1e/0x30 [ 38.793826] RIP: 0010:__schedule+0xf48/0x1df0 [ 38.793839] 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 3c af e6 fa eb 9f 4c 89 e6 48 89 df e8 bf [ 38.793844] RSP: 0018:ffff8801ba496a30 EFLAGS: 00010806 [ 38.793852] RAX: 1bd5a00000000022 RBX: ffff8801bba58340 RCX: 1ffff1003707e88f [ 38.793858] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 38.793864] RBP: ffff8801ba496c00 R08: ffff8801bba58340 R09: fffff520003cfa47 [ 38.793870] R10: fffff520003cfa47 R11: ffffc90001e7d23b R12: ffff8801bd3d6640 [ 38.793876] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 38.793881] ? __sched_text_start+0x8/0x8 [ 38.793885] ? generic_exec_single+0x1ea/0x5e0 [ 38.793889] ? __lock_is_held+0xb5/0x140 [ 38.793893] ? check_same_owner+0x340/0x340 [ 38.793898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.793903] ? rcu_note_context_switch+0x680/0x680 [ 38.793907] ? add_nops+0x90/0x90 [ 38.793911] ? arch_jump_label_transform+0x1b/0x40 [ 38.793915] preempt_schedule_common+0x22/0x60 [ 38.793919] _cond_resched+0x1d/0x30 [ 38.793923] __mutex_lock+0x13d/0x1700 [ 38.793927] ? retint_kernel+0x10/0x10 [ 38.793932] ? arch_jump_label_transform+0x1b/0x40 [ 38.793936] ? find_next_and_bit+0x165/0x1d0 [ 38.793940] ? mutex_trylock+0x2b0/0x2b0 [ 38.793944] ? find_held_lock+0x36/0x1c0 [ 38.793948] ? lock_downgrade+0x8f0/0x8f0 [ 38.793953] ? trace_hardirqs_on+0xbd/0x2c0 [ 38.793957] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.793961] ? text_poke_bp+0x10c/0x16a [ 38.793966] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 38.793971] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 38.793976] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1f/0x3a0 [ 38.793980] ? kasan_check_write+0x14/0x20 [ 38.793985] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 38.793989] ? wait_for_completion+0x8d0/0x8d0 [ 38.793994] ? kvm_arch_vcpu_ioctl_set_mpstate+0x1e/0x3a0 [ 38.793999] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 38.794003] ? modules_open+0xa0/0xa0 [ 38.794007] ? kvm_vm_release+0x42/0x50 [ 38.794011] ? get_trap_addr+0x1d0/0x1d0 [ 38.794015] ? do_group_exit+0x177/0x440 [ 38.794020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.794024] ? jump_label_type+0x132/0x1d0 [ 38.794028] mutex_lock_nested+0x16/0x20 [ 38.794032] ? mutex_lock_nested+0x16/0x20 [ 38.794036] arch_jump_label_transform+0x1b/0x40 [ 38.794040] __jump_label_update+0x16e/0x1a0 [ 38.794045] jump_label_update+0x151/0x2e0 [ 38.794049] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 38.794054] ? static_key_disable+0x30/0x30 [ 38.794058] ? rcu_read_lock_sched_held+0x108/0x120 [ 38.794062] static_key_slow_dec+0x63/0xa0 [ 38.794067] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 38.794070] kvm_vcpu_uninit+0x44/0x90 [ 38.794074] vmx_free_vcpu+0x23a/0x300 [ 38.794079] kvm_arch_destroy_vm+0x365/0x7c0 [ 38.794083] ? kasan_check_read+0x13/0x20 [ 38.794085] ? [ 38.794093] Lost 87 message(s)! [ 39.818852] ---[ end trace fc2d2e1867bcf3b5 ]--- [ 39.823609] RIP: 0010:__schedule+0xf48/0x1df0 [ 39.828104] 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 3c af e6 fa eb 9f 4c 89 e6 48 89 df e8 bf [ 39.846997] RSP: 0018:ffff8801ba496a30 EFLAGS: 00010806 [ 39.852353] RAX: 1bd5a00000000022 RBX: ffff8801bba58340 RCX: 1ffff1003707e88f [ 39.859632] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 39.866893] RBP: ffff8801ba496c00 R08: ffff8801bba58340 R09: fffff520003cfa47 [ 39.874154] R10: fffff520003cfa47 R11: ffffc90001e7d23b R12: ffff8801bd3d6640 [ 39.881420] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc80 [ 39.888683] FS: 0000000001743880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 39.896901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.902779] CR2: 000000000044304e CR3: 000000000806a000 CR4: 00000000001426f0 [ 39.910042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.917301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.924560] Kernel panic - not syncing: Fatal exception [ 41.039776] Shutting down cpus with NMI [ 41.044092] Dumping ftrace buffer: [ 41.047611] (ftrace buffer empty) [ 41.051299] Kernel Offset: disabled [ 41.054904] Rebooting in 86400 seconds..