[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.821299] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.616328] random: sshd: uninitialized urandom read (32 bytes read) [ 26.903669] random: sshd: uninitialized urandom read (32 bytes read) [ 27.442030] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. [ 33.154288] urandom_read: 1 callbacks suppressed [ 33.154294] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 33.253309] 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. [ 33.277610] kasan: CONFIG_KASAN_INLINE enabled [ 33.284682] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.292040] general protection fault: 0000 [#1] SMP KASAN [ 33.297570] CPU: 0 PID: 4452 Comm: syz-executor601 Not tainted 4.18.0+ #103 [ 33.304657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.314010] RIP: 0010:__schedule+0xf48/0x1df0 [ 33.318503] 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 [ 33.337397] RSP: 0018:ffff8801b5e46a30 EFLAGS: 00010806 [ 33.342761] RAX: 1bd5a00000000022 RBX: ffff8801aca3e600 RCX: 1ffff1003589888f [ 33.350023] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 33.357284] RBP: ffff8801b5e46c00 R08: ffff8801aca3e600 R09: fffff520003c0a47 [ 33.364549] R10: fffff520003c0a47 R11: ffffc90001e0523b R12: ffff8801d9ee2280 [ 33.371813] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 33.379080] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 33.387297] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 33.393170] CR2: 00000000f7fe2c7f CR3: 0000000007e6a000 CR4: 00000000001426f0 [ 33.400436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.407699] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.414960] Call Trace: [ 33.417550] ? __sched_text_start+0x8/0x8 [ 33.421701] ? generic_exec_single+0x1ea/0x5e0 [ 33.426282] ? __lock_is_held+0xb5/0x140 [ 33.430341] ? smp_call_function_single+0x43c/0x5c0 [ 33.435355] ? check_same_owner+0x340/0x340 [ 33.439676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.445213] ? rcu_note_context_switch+0x680/0x680 [ 33.450142] ? add_nops+0x90/0x90 [ 33.453597] ? arch_jump_label_transform+0x1b/0x40 [ 33.458525] preempt_schedule_common+0x22/0x60 [ 33.463105] _cond_resched+0x1d/0x30 [ 33.466814] __mutex_lock+0x13d/0x1700 [ 33.470697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.476230] ? fill_pte+0xd6/0x420 [ 33.479766] ? arch_jump_label_transform+0x1b/0x40 [ 33.484696] ? find_next_and_bit+0x165/0x1d0 [ 33.489102] ? mutex_trylock+0x2b0/0x2b0 [ 33.493161] ? find_held_lock+0x36/0x1c0 [ 33.497254] ? lock_downgrade+0x8f0/0x8f0 [ 33.501397] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.505731] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.510829] ? text_poke_bp+0x10c/0x16a [ 33.514802] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.519911] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 33.524590] ? kvm_arch_vcpu_uninit+0x135/0x1d0 [ 33.529300] ? kasan_check_write+0x14/0x20 [ 33.533531] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 33.538461] ? wait_for_completion+0x8d0/0x8d0 [ 33.543038] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 33.547709] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 33.553154] ? modules_open+0xa0/0xa0 [ 33.556956] ? kvm_vm_release+0x42/0x50 [ 33.560926] ? get_trap_addr+0x1d0/0x1d0 [ 33.564987] ? do_group_exit+0x177/0x440 [ 33.569046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.574584] ? jump_label_type+0x132/0x1d0 [ 33.578830] mutex_lock_nested+0x16/0x20 [ 33.582930] ? mutex_lock_nested+0x16/0x20 [ 33.587179] arch_jump_label_transform+0x1b/0x40 [ 33.591932] __jump_label_update+0x16e/0x1a0 [ 33.596344] jump_label_update+0x151/0x2e0 [ 33.600597] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 33.606045] ? static_key_disable+0x30/0x30 [ 33.610368] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.615389] static_key_slow_dec+0x63/0xa0 [ 33.619623] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 33.624113] kvm_vcpu_uninit+0x44/0x90 [ 33.628010] vmx_free_vcpu+0x23a/0x300 [ 33.631905] kvm_arch_destroy_vm+0x365/0x7c0 [ 33.636312] ? check_memory_region+0x103/0x1b0 [ 33.640899] ? kvm_arch_sync_events+0x30/0x30 [ 33.645414] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.650950] ? mmu_notifier_unregister+0x474/0x600 [ 33.655880] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.660293] ? kfree+0x111/0x210 [ 33.663675] ? __mmu_notifier_register+0x30/0x30 [ 33.668429] ? __free_pages+0x10a/0x190 [ 33.672402] ? free_unref_page+0x930/0x930 [ 33.676641] kvm_put_kvm+0x73f/0x1060 [ 33.680442] ? kvm_write_guest_cached+0x40/0x40 [ 33.685137] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.689627] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.694122] ? lockdep_hardirqs_on+0x421/0x5c0 [ 33.698706] ? kasan_check_write+0x14/0x20 [ 33.702938] ? do_raw_spin_lock+0xc1/0x200 [ 33.707170] ? kvm_irqfd_release+0xdd/0x120 [ 33.711487] ? kvm_put_kvm+0x1060/0x1060 [ 33.715543] kvm_vm_release+0x42/0x50 [ 33.719342] __fput+0x39b/0x860 [ 33.722618] ? file_free_rcu+0x90/0x90 [ 33.726505] ? check_same_owner+0x340/0x340 [ 33.730831] ? kasan_check_write+0x14/0x20 [ 33.735063] ? do_raw_spin_lock+0xc1/0x200 [ 33.739291] ____fput+0x15/0x20 [ 33.742567] task_work_run+0x1e8/0x2a0 [ 33.746449] ? task_work_cancel+0x240/0x240 [ 33.750768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.756304] ? switch_task_namespaces+0xa2/0xd0 [ 33.760971] do_exit+0x1ae4/0x26e0 [ 33.764523] ? check_memory_region+0x101/0x1b0 [ 33.769104] ? mm_update_next_owner+0x9a0/0x9a0 [ 33.773773] ? kvm_set_memory_region+0x50/0x50 [ 33.778350] ? wait_for_completion+0x8d0/0x8d0 [ 33.782931] ? get_unused_fd_flags+0x1a0/0x1a0 [ 33.787504] ? kfree+0x111/0x210 [ 33.790867] ? kasan_check_read+0x11/0x20 [ 33.795029] ? rcu_is_watching+0x8c/0x150 [ 33.799170] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.803486] ? rcu_pm_notify+0xc0/0xc0 [ 33.807390] ? kvm_vcpu_ioctl+0x2b5/0x1280 [ 33.811623] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.816638] ? kfree+0x1d7/0x210 [ 33.820003] ? kvm_vcpu_ioctl+0x2ba/0x1280 [ 33.824239] ? kvm_uevent_notify_change.part.32+0x440/0x440 [ 33.829947] ? kvm_dev_ioctl+0x18a/0x1b10 [ 33.834096] ? save_stack+0xa9/0xd0 [ 33.837722] ? save_stack+0x43/0xd0 [ 33.841343] ? __kasan_slab_free+0x11a/0x170 [ 33.845764] ? kasan_slab_free+0xe/0x10 [ 33.849737] ? putname+0xf2/0x130 [ 33.853185] ? do_sys_open+0x569/0x760 [ 33.857072] ? do_fast_syscall_32+0x34d/0xfb2 [ 33.861564] ? entry_SYSENTER_compat+0x70/0x7f [ 33.866148] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.870553] ? kasan_check_read+0x11/0x20 [ 33.874695] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.879099] ? kasan_check_write+0x14/0x20 [ 33.883348] ? trace_hardirqs_off+0xb8/0x2b0 [ 33.887765] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 33.892865] ? trace_hardirqs_on+0x2c0/0x2c0 [ 33.897282] ? kasan_check_read+0x11/0x20 [ 33.901423] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.905743] ? rcu_pm_notify+0xc0/0xc0 [ 33.909632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.915163] ? __fget_light+0x2f7/0x440 [ 33.919141] ? kvm_vcpu_compat_ioctl+0x218/0x4a0 [ 33.923906] ? kvm_vcpu_ioctl+0x1280/0x1280 [ 33.928233] do_group_exit+0x177/0x440 [ 33.932121] ? trace_hardirqs_on+0xbd/0x2c0 [ 33.936439] ? __ia32_sys_exit+0x50/0x50 [ 33.940495] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 33.945600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.951135] ? __ia32_compat_sys_ioctl+0x184/0x640 [ 33.956065] __ia32_sys_exit_group+0x3e/0x50 [ 33.960475] do_fast_syscall_32+0x34d/0xfb2 [ 33.964795] ? do_int80_syscall_32+0x890/0x890 [ 33.969376] ? entry_SYSENTER_compat+0x68/0x7f [ 33.973955] ? trace_hardirqs_off_caller+0xbb/0x2b0 [ 33.978971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 33.983912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.988755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.993601] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 33.998616] ? prepare_exit_to_usermode+0x291/0x3b0 [ 34.003633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.008482] entry_SYSENTER_compat+0x70/0x7f [ 34.012899] RIP: 0023:0xf7fe2ca9 [ 34.016277] Code: Bad RIP value. [ 34.019632] RSP: 002b:00000000ffe4d32c EFLAGS: 00000296 ORIG_RAX: 00000000000000fc [ 34.027800] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080eb2b8 [ 34.035068] RDX: 0000000000000000 RSI: 00000000080d5d18 RDI: 00000000080eb2c0 [ 34.042332] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 34.049593] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.056858] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.064140] Modules linked in: [ 34.067331] Dumping ftrace buffer: [ 34.070858] (ftrace buffer empty) [ 34.074576] [ 34.074581] ====================================================== [ 34.074586] WARNING: possible circular locking dependency detected [ 34.074590] 4.18.0+ #103 Not tainted [ 34.074595] ------------------------------------------------------ [ 34.074600] syz-executor601/4452 is trying to acquire lock: [ 34.074604] 00000000961e1246 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 34.074618] [ 34.074622] but task is already holding lock: [ 34.074626] 000000002f168e72 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.074640] [ 34.074644] which lock already depends on the new lock. [ 34.074646] [ 34.074649] [ 34.074654] the existing dependency chain (in reverse order) is: [ 34.074656] [ 34.074659] -> #2 (&rq->lock){-.-.}: [ 34.074673] _raw_spin_lock+0x2a/0x40 [ 34.074677] task_fork_fair+0x93/0x680 [ 34.074680] sched_fork+0x44b/0xbd0 [ 34.074685] copy_process.part.36+0x1c7c/0x70d0 [ 34.074688] _do_fork+0x291/0x1220 [ 34.074692] kernel_thread+0x34/0x40 [ 34.074696] rest_init+0x22/0xe4 [ 34.074699] start_kernel+0x913/0x94e [ 34.074704] x86_64_start_reservations+0x29/0x2b [ 34.074708] x86_64_start_kernel+0x76/0x79 [ 34.074712] secondary_startup_64+0xa4/0xb0 [ 34.074714] [ 34.074717] -> #1 (&p->pi_lock){-.-.}: [ 34.074731] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.074735] try_to_wake_up+0xd2/0x1250 [ 34.074739] wake_up_process+0x10/0x20 [ 34.074743] __up.isra.1+0x1c0/0x2a0 [ 34.074746] up+0x13c/0x1c0 [ 34.074750] __up_console_sem+0xbe/0x1b0 [ 34.074754] console_unlock+0x506/0x10d0 [ 34.074758] vprintk_emit+0x33a/0x910 [ 34.074761] vprintk_default+0x28/0x30 [ 34.074765] vprintk_func+0x7a/0x117 [ 34.074769] printk+0xa7/0xcf [ 34.074772] load_umh+0x51/0xbd [ 34.074776] do_one_initcall+0x127/0x838 [ 34.074780] kernel_init_freeable+0x49b/0x58e [ 34.074784] kernel_init+0x11/0x1b3 [ 34.074788] ret_from_fork+0x3a/0x50 [ 34.074790] [ 34.074792] -> #0 ((console_sem).lock){-...}: [ 34.074807] lock_acquire+0x1e4/0x4f0 [ 34.074811] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.074815] down_trylock+0x13/0x70 [ 34.074819] __down_trylock_console_sem+0xae/0x200 [ 34.074823] console_trylock+0x15/0xa0 [ 34.074827] vprintk_emit+0x31f/0x910 [ 34.074831] vprintk_default+0x28/0x30 [ 34.074834] vprintk_func+0x7a/0x117 [ 34.074838] printk+0xa7/0xcf [ 34.074842] kasan_die_handler.cold.22+0x11/0x30 [ 34.074846] notifier_call_chain+0x180/0x390 [ 34.074851] atomic_notifier_call_chain+0x98/0x190 [ 34.074854] notify_die+0x1be/0x2e0 [ 34.074859] do_general_protection+0x248/0x2f0 [ 34.074863] general_protection+0x1e/0x30 [ 34.074866] __schedule+0xf48/0x1df0 [ 34.074871] preempt_schedule_common+0x22/0x60 [ 34.074883] _cond_resched+0x1d/0x30 [ 34.074892] __mutex_lock+0x13d/0x1700 [ 34.074896] mutex_lock_nested+0x16/0x20 [ 34.074901] arch_jump_label_transform+0x1b/0x40 [ 34.074905] __jump_label_update+0x16e/0x1a0 [ 34.074909] jump_label_update+0x151/0x2e0 [ 34.074914] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.074918] static_key_slow_dec+0x63/0xa0 [ 34.074922] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.074926] kvm_vcpu_uninit+0x44/0x90 [ 34.074930] vmx_free_vcpu+0x23a/0x300 [ 34.074934] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.074938] kvm_put_kvm+0x73f/0x1060 [ 34.074941] kvm_vm_release+0x42/0x50 [ 34.074945] __fput+0x39b/0x860 [ 34.074948] ____fput+0x15/0x20 [ 34.074952] task_work_run+0x1e8/0x2a0 [ 34.074956] do_exit+0x1ae4/0x26e0 [ 34.074960] do_group_exit+0x177/0x440 [ 34.074964] __ia32_sys_exit_group+0x3e/0x50 [ 34.074968] do_fast_syscall_32+0x34d/0xfb2 [ 34.074972] entry_SYSENTER_compat+0x70/0x7f [ 34.074975] [ 34.074979] other info that might help us debug this: [ 34.074981] [ 34.074984] Chain exists of: [ 34.074986] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 34.075005] [ 34.075008] Possible unsafe locking scenario: [ 34.075011] [ 34.075015] CPU0 CPU1 [ 34.075019] ---- ---- [ 34.075021] lock(&rq->lock); [ 34.075030] lock(&p->pi_lock); [ 34.075040] lock(&rq->lock); [ 34.075048] lock((console_sem).lock); [ 34.075056] [ 34.075059] *** DEADLOCK *** [ 34.075061] [ 34.075065] 4 locks held by syz-executor601/4452: [ 34.075068] #0: 00000000c1781cba (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 34.075086] #1: 0000000038c762a5 (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 34.075104] #2: 000000002f168e72 (&rq->lock){-.-.}, at: __schedule+0x24d/0x1df0 [ 34.075121] #3: 0000000001782c1c (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 34.075138] [ 34.075141] stack backtrace: [ 34.075147] CPU: 0 PID: 4452 Comm: syz-executor601 Not tainted 4.18.0+ #103 [ 34.075154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.075157] Call Trace: [ 34.075161] dump_stack+0x1c9/0x2b4 [ 34.075165] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.075169] ? vprintk_func+0x100/0x117 [ 34.075174] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 34.075178] ? save_trace+0xe0/0x290 [ 34.075182] __lock_acquire+0x3449/0x5020 [ 34.075186] ? mark_held_locks+0x160/0x160 [ 34.075190] ? mark_held_locks+0x160/0x160 [ 34.075194] ? update_load_avg+0x389/0x27d0 [ 34.075199] ? __update_load_avg_blocked_se+0x730/0x730 [ 34.075203] ? attach_entity_load_avg+0x860/0x860 [ 34.075207] ? graph_lock+0x170/0x170 [ 34.075211] ? attach_entity_load_avg+0x860/0x860 [ 34.075215] ? graph_lock+0x170/0x170 [ 34.075220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.075223] lock_acquire+0x1e4/0x4f0 [ 34.075227] ? down_trylock+0x13/0x70 [ 34.075231] ? lock_release+0x9f0/0x9f0 [ 34.075235] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.075239] ? trace_hardirqs_on+0x2c0/0x2c0 [ 34.075244] ? trace_hardirqs_off+0xb8/0x2b0 [ 34.075247] ? log_store+0x34f/0x4c0 [ 34.075251] ? vprintk_emit+0x31f/0x910 [ 34.075255] _raw_spin_lock_irqsave+0x96/0xc0 [ 34.075259] ? down_trylock+0x13/0x70 [ 34.075263] down_trylock+0x13/0x70 [ 34.075267] __down_trylock_console_sem+0xae/0x200 [ 34.075271] console_trylock+0x15/0xa0 [ 34.075275] vprintk_emit+0x31f/0x910 [ 34.075279] ? wake_up_klogd+0x110/0x110 [ 34.075283] ? __lock_acquire+0x7fc/0x5020 [ 34.075287] ? mark_held_locks+0x160/0x160 [ 34.075291] vprintk_default+0x28/0x30 [ 34.075294] vprintk_func+0x7a/0x117 [ 34.075298] printk+0xa7/0xcf [ 34.075302] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.075306] ? kasan_die_handler.cold.22+0x5/0x30 [ 34.075310] ? kasan_die_handler+0x1a/0x31 [ 34.075315] kasan_die_handler.cold.22+0x11/0x30 [ 34.075319] notifier_call_chain+0x180/0x390 [ 34.075323] ? unregister_die_notifier+0x20/0x20 [ 34.075327] ? rcu_is_watching+0x8c/0x150 [ 34.075331] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.075336] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 34.075339] ? cmp_ex_search+0x8c/0xb0 [ 34.075344] atomic_notifier_call_chain+0x98/0x190 [ 34.075348] notify_die+0x1be/0x2e0 [ 34.075352] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 34.075357] ? search_module_extables+0x18/0xc0 [ 34.075360] ? __schedule+0xf48/0x1df0 [ 34.075364] ? __schedule+0xf48/0x1df0 [ 34.075369] ? search_exception_tables+0x47/0x50 [ 34.075373] do_general_protection+0x248/0x2f0 [ 34.075377] general_protection+0x1e/0x30 [ 34.075381] RIP: 0010:__schedule+0xf48/0x1df0 [ 34.075394] 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 [ 34.075399] RSP: 0018:ffff8801b5e46a30 EFLAGS: 00010806 [ 34.075407] RAX: 1bd5a00000000022 RBX: ffff8801aca3e600 RCX: 1ffff1003589888f [ 34.075413] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 34.075419] RBP: ffff8801b5e46c00 R08: ffff8801aca3e600 R09: fffff520003c0a47 [ 34.075425] R10: fffff520003c0a47 R11: ffffc90001e0523b R12: ffff8801d9ee2280 [ 34.075430] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 34.075434] ? __sched_text_start+0x8/0x8 [ 34.075439] ? generic_exec_single+0x1ea/0x5e0 [ 34.075443] ? __lock_is_held+0xb5/0x140 [ 34.075447] ? smp_call_function_single+0x43c/0x5c0 [ 34.075451] ? check_same_owner+0x340/0x340 [ 34.075456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.075460] ? rcu_note_context_switch+0x680/0x680 [ 34.075464] ? add_nops+0x90/0x90 [ 34.075468] ? arch_jump_label_transform+0x1b/0x40 [ 34.075473] preempt_schedule_common+0x22/0x60 [ 34.075476] _cond_resched+0x1d/0x30 [ 34.075480] __mutex_lock+0x13d/0x1700 [ 34.075485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.075489] ? fill_pte+0xd6/0x420 [ 34.075493] ? arch_jump_label_transform+0x1b/0x40 [ 34.075497] ? find_next_and_bit+0x165/0x1d0 [ 34.075501] ? mutex_trylock+0x2b0/0x2b0 [ 34.075505] ? find_held_lock+0x36/0x1c0 [ 34.075509] ? lock_downgrade+0x8f0/0x8f0 [ 34.075513] ? trace_hardirqs_on+0xbd/0x2c0 [ 34.075518] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.075521] ? text_poke_bp+0x10c/0x16a [ 34.075526] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 34.075530] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 34.075535] ? kvm_arch_vcpu_uninit+0x135/0x1d0 [ 34.075539] ? kasan_check_write+0x14/0x20 [ 34.075543] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 34.075547] ? wait_for_completion+0x8d0/0x8d0 [ 34.075551] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 34.075556] ? __jump_label_transform.isra.0+0x478/0x8f0 [ 34.075560] ? modules_open+0xa0/0xa0 [ 34.075564] ? kvm_vm_release+0x42/0x50 [ 34.075568] ? get_trap_addr+0x1d0/0x1d0 [ 34.075572] ? do_group_exit+0x177/0x440 [ 34.075576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.075581] ? jump_label_type+0x132/0x1d0 [ 34.075584] mutex_lock_nested+0x16/0x20 [ 34.075588] ? mutex_lock_nested+0x16/0x20 [ 34.075593] arch_jump_label_transform+0x1b/0x40 [ 34.075597] __jump_label_update+0x16e/0x1a0 [ 34.075601] jump_label_update+0x151/0x2e0 [ 34.075606] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 34.075610] ? static_key_disable+0x30/0x30 [ 34.075614] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.075618] static_key_slow_dec+0x63/0xa0 [ 34.075622] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 34.075626] kvm_vcpu_uninit+0x44/0x90 [ 34.075630] vmx_free_vcpu+0x23a/0x300 [ 34.075634] kvm_arch_destroy_vm+0x365/0x7c0 [ 34.075637] ? check [ 34.075644] Lost 94 message(s)! [ 35.101917] ---[ end trace 28f9d7e8e57e85e2 ]--- [ 35.106679] RIP: 0010:__schedule+0xf48/0x1df0 [ 35.111175] 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 [ 35.130069] RSP: 0018:ffff8801b5e46a30 EFLAGS: 00010806 [ 35.135428] RAX: 1bd5a00000000022 RBX: ffff8801aca3e600 RCX: 1ffff1003589888f [ 35.142691] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 35.149959] RBP: ffff8801b5e46c00 R08: ffff8801aca3e600 R09: fffff520003c0a47 [ 35.157224] R10: fffff520003c0a47 R11: ffffc90001e0523b R12: ffff8801d9ee2280 [ 35.164490] R13: dead000000000100 R14: dffffc0000000000 R15: ffff8801db02cc40 [ 35.171755] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 35.179975] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 35.185850] CR2: 00000000f7fe2c7f CR3: 0000000007e6a000 CR4: 00000000001426f0 [ 35.193130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.200393] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.207659] Kernel panic - not syncing: Fatal exception [ 36.289304] Shutting down cpus with NMI [ 36.293649] Dumping ftrace buffer: [ 36.297175] (ftrace buffer empty) [ 36.300861] Kernel Offset: disabled [ 36.304476] Rebooting in 86400 seconds..