[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 25.476140] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.131562] random: sshd: uninitialized urandom read (32 bytes read) [ 29.532643] random: sshd: uninitialized urandom read (32 bytes read) [ 30.116102] random: sshd: uninitialized urandom read (32 bytes read) [ 30.326574] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. [ 36.093967] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 36.223021] 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. [ 36.252241] kasan: CONFIG_KASAN_INLINE enabled [ 36.259197] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.266559] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.272789] CPU: 1 PID: 5345 Comm: syz-executor559 Not tainted 4.19.0-rc2+ #131 [ 36.280232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.289593] RIP: 0010:__schedule+0xfb7/0x1ed0 [ 36.294087] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 0f 85 b9 09 00 00 4d 8b 24 24 4d 85 e4 0f 84 0b f7 ff ff 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 a4 e8 ad 19 04 fa eb 9d 48 89 de 4c 89 ff e8 a0 [ 36.312987] RSP: 0018:ffff8801bbc76b80 EFLAGS: 00010806 [ 36.318349] RAX: 1bd5a00000000022 RBX: ffff8801bdaea1c0 RCX: 1ffff1003891788f [ 36.325614] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 36.332879] RBP: ffff8801bbc76d58 R08: ffff8801c0bea080 R09: fffff520003c7e47 [ 36.340145] R10: fffff520003c7e47 R11: ffffc90001e3f23b R12: dead000000000100 [ 36.347411] R13: dffffc0000000000 R14: ffff8801daf2cb40 R15: ffff8801c0bea080 [ 36.354682] FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 36.362914] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 36.368790] CR2: 00000000f7fe7c7f CR3: 000000000946a000 CR4: 00000000001426e0 [ 36.376061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.383326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.390591] Call Trace: [ 36.393183] ? add_nops+0x90/0x90 [ 36.396647] ? __sched_text_start+0x8/0x8 [ 36.400795] ? __set_pte_vaddr+0x135/0x1a0 [ 36.405032] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 36.410048] ? find_next_and_bit+0x183/0x1e0 [ 36.414462] ? smp_call_function_many+0x13f/0xb60 [ 36.419303] ? mark_held_locks+0xc7/0x130 [ 36.423450] ? text_poke+0x405/0x5e0 [ 36.427160] ? on_each_cpu+0xdd/0x1e0 [ 36.430957] ? on_each_cpu+0xdd/0x1e0 [ 36.434756] ? kvm_arch_vcpu_uninit+0x135/0x1d0 [ 36.439432] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.444018] ? preempt_schedule+0x4d/0x60 [ 36.448163] ? kvm_arch_vcpu_uninit+0x135/0x1d0 [ 36.452834] preempt_schedule_common+0x1f/0xd0 [ 36.457420] preempt_schedule+0x4d/0x60 [ 36.461394] ___preempt_schedule+0x16/0x18 [ 36.465629] ? on_each_cpu+0x13b/0x1e0 [ 36.469512] ? on_each_cpu+0x1a6/0x1e0 [ 36.473392] on_each_cpu+0x1ab/0x1e0 [ 36.477104] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 36.481773] text_poke_bp+0x14e/0x1de [ 36.485574] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 36.490501] ? poke_int3_handler+0x90/0x90 [ 36.494737] ? wait_for_completion+0x8a0/0x8a0 [ 36.499321] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 36.503994] __jump_label_transform.isra.0+0x478/0x8f0 [ 36.509267] ? modules_open+0xa0/0xa0 [ 36.513068] ? kvm_vm_release+0x42/0x50 [ 36.517042] ? get_trap_addr+0x1d0/0x1d0 [ 36.521102] ? do_group_exit+0x177/0x440 [ 36.525164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.530709] ? jump_label_type+0x139/0x1e0 [ 36.534955] arch_jump_label_transform+0x2f/0x40 [ 36.539718] __jump_label_update+0x16e/0x1a0 [ 36.544159] jump_label_update+0x174/0x320 [ 36.548397] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.553847] ? static_key_disable+0x30/0x30 [ 36.558171] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.563189] static_key_slow_dec+0x63/0xa0 [ 36.567428] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 36.571926] kvm_vcpu_uninit+0x44/0x90 [ 36.575811] vmx_free_vcpu+0x23a/0x300 [ 36.579709] kvm_arch_destroy_vm+0x365/0x7c0 [ 36.584123] ? check_memory_region+0x1a3/0x1b0 [ 36.588710] ? kvm_arch_sync_events+0x30/0x30 [ 36.593215] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.598754] ? mmu_notifier_unregister+0x474/0x600 [ 36.603681] ? kfree+0x107/0x230 [ 36.607057] ? __mmu_notifier_register+0x30/0x30 [ 36.611815] ? __free_pages+0x10a/0x190 [ 36.615786] ? free_unref_page+0x960/0x960 [ 36.620031] kvm_put_kvm+0x6c8/0xff0 [ 36.623753] ? kvm_write_guest_cached+0x40/0x40 [ 36.628426] ? kvm_irqfd_release+0xd1/0x120 [ 36.632748] ? _raw_spin_unlock_irq+0x27/0x80 [ 36.637240] ? _raw_spin_unlock_irq+0x27/0x80 [ 36.641746] ? kasan_check_write+0x14/0x20 [ 36.645981] ? do_raw_spin_lock+0xc1/0x200 [ 36.650220] ? kvm_irqfd_release+0xdd/0x120 [ 36.654536] ? kvm_irqfd_release+0xdd/0x120 [ 36.658861] ? kvm_put_kvm+0xff0/0xff0 [ 36.662750] kvm_vm_release+0x42/0x50 [ 36.666548] __fput+0x385/0xa30 [ 36.669831] ? get_max_files+0x20/0x20 [ 36.673726] ? ___might_sleep+0x1ed/0x300 [ 36.677876] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 36.683327] ? arch_local_save_flags+0x40/0x40 [ 36.687912] ? kasan_check_write+0x14/0x20 [ 36.692147] ? do_raw_spin_lock+0xc1/0x200 [ 36.696378] ____fput+0x15/0x20 [ 36.699660] task_work_run+0x1e8/0x2a0 [ 36.703545] ? task_work_cancel+0x240/0x240 [ 36.707869] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.713409] ? switch_task_namespaces+0x9d/0xd0 [ 36.718081] do_exit+0x1ad7/0x2610 [ 36.721620] ? do_sys_poll+0xb91/0x1180 [ 36.725595] ? mm_update_next_owner+0x990/0x990 [ 36.730262] ? find_held_lock+0x36/0x1c0 [ 36.734326] ? __handle_mm_fault+0x3dde/0x53e0 [ 36.738909] ? lock_downgrade+0x900/0x900 [ 36.743053] ? graph_lock+0x170/0x170 [ 36.746853] ? unwind_dump+0x190/0x190 [ 36.750743] ? kasan_check_read+0x11/0x20 [ 36.754891] ? do_raw_spin_unlock+0xa7/0x2f0 [ 36.759297] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 36.763881] ? add_mm_counter_fast+0xd0/0xd0 [ 36.768292] ? _raw_spin_unlock+0x2c/0x50 [ 36.772436] ? __handle_mm_fault+0x9ab/0x53e0 [ 36.777024] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 36.781870] ? print_usage_bug+0xc0/0xc0 [ 36.785933] ? graph_lock+0x170/0x170 [ 36.789733] ? graph_lock+0x170/0x170 [ 36.793533] ? graph_lock+0x170/0x170 [ 36.797345] ? find_held_lock+0x36/0x1c0 [ 36.801408] ? __do_page_fault+0x6c1/0xed0 [ 36.805641] ? lock_downgrade+0x900/0x900 [ 36.809797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.815335] ? handle_mm_fault+0x56e/0xc70 [ 36.819571] ? __handle_mm_fault+0x53e0/0x53e0 [ 36.824161] do_group_exit+0x177/0x440 [ 36.828047] ? trace_hardirqs_on+0xbd/0x310 [ 36.832367] ? __ia32_sys_exit+0x50/0x50 [ 36.836428] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 36.841884] ? mm_fault_error+0x380/0x380 [ 36.846041] ? __ia32_compat_sys_ioctl+0x17a/0x630 [ 36.850973] __ia32_sys_exit_group+0x3e/0x50 [ 36.855382] do_fast_syscall_32+0x34d/0xfb2 [ 36.859714] ? do_int80_syscall_32+0x890/0x890 [ 36.864298] ? entry_SYSENTER_compat+0x68/0x7f [ 36.868881] ? trace_hardirqs_off_caller+0xbb/0x310 [ 36.873898] ? syscall_return_slowpath+0x5e0/0x5e0 [ 36.878828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.883671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.888519] ? trace_hardirqs_on_caller+0x310/0x310 [ 36.893534] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 36.898550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.904086] ? prepare_exit_to_usermode+0x291/0x3b0 [ 36.909105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.913953] entry_SYSENTER_compat+0x70/0x7f [ 36.918358] RIP: 0023:0xf7fe7ca9 [ 36.921732] Code: Bad RIP value. [ 36.925095] RSP: 002b:00000000ffcbe6dc EFLAGS: 00000292 ORIG_RAX: 00000000000000fc [ 36.932806] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080f02b8 [ 36.940073] RDX: 0000000000000000 RSI: 00000000080d9e98 RDI: 00000000080f02c0 [ 36.947338] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 36.955080] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 36.962344] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.969614] Modules linked in: [ 36.972812] Dumping ftrace buffer: [ 36.976341] (ftrace buffer empty) [ 36.980051] [ 36.980058] ====================================================== [ 36.980064] WARNING: possible circular locking dependency detected [ 36.980068] 4.19.0-rc2+ #131 Not tainted [ 36.980074] ------------------------------------------------------ [ 36.980079] syz-executor559/5345 is trying to acquire lock: [ 36.980083] 00000000a46a5448 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 36.980098] [ 36.980103] but task is already holding lock: [ 36.980106] 0000000053e1b538 (&rq->lock){-.-.}, at: __schedule+0x236/0x1ed0 [ 36.980121] [ 36.980125] which lock already depends on the new lock. [ 36.980128] [ 36.980131] [ 36.980136] the existing dependency chain (in reverse order) is: [ 36.980138] [ 36.980141] -> #2 (&rq->lock){-.-.}: [ 36.980156] _raw_spin_lock+0x2d/0x40 [ 36.980160] task_fork_fair+0xb0/0x6d0 [ 36.980164] sched_fork+0x443/0xba0 [ 36.980168] copy_process+0x2586/0x8780 [ 36.980172] _do_fork+0x1cb/0x11d0 [ 36.980176] kernel_thread+0x34/0x40 [ 36.980180] rest_init+0x22/0xe5 [ 36.980184] start_kernel+0x8f4/0x92f [ 36.980189] x86_64_start_reservations+0x29/0x2b [ 36.980193] x86_64_start_kernel+0x76/0x79 [ 36.980198] secondary_startup_64+0xa4/0xb0 [ 36.980200] [ 36.980202] -> #1 (&p->pi_lock){-.-.}: [ 36.980224] _raw_spin_lock_irqsave+0x99/0xd0 [ 36.980228] try_to_wake_up+0xd2/0x12f0 [ 36.980232] wake_up_process+0x10/0x20 [ 36.980236] __up.isra.1+0x1c0/0x2a0 [ 36.980240] up+0x13c/0x1c0 [ 36.980244] __up_console_sem+0xbe/0x1b0 [ 36.980248] console_unlock+0x524/0x11a0 [ 36.980252] vprintk_emit+0x33d/0x930 [ 36.980257] vprintk_default+0x28/0x30 [ 36.980261] vprintk_func+0x7e/0x181 [ 36.980264] printk+0xa7/0xcf [ 36.980268] load_umh+0x51/0xbd [ 36.980272] do_one_initcall+0x145/0x957 [ 36.980277] kernel_init_freeable+0x4bb/0x5ae [ 36.980281] kernel_init+0x11/0x1b2 [ 36.980285] ret_from_fork+0x3a/0x50 [ 36.980287] [ 36.980290] -> #0 ((console_sem).lock){-...}: [ 36.980305] lock_acquire+0x1ed/0x520 [ 36.980310] _raw_spin_lock_irqsave+0x99/0xd0 [ 36.980314] down_trylock+0x13/0x70 [ 36.980319] __down_trylock_console_sem+0xae/0x200 [ 36.980323] console_trylock+0x15/0xa0 [ 36.980327] vprintk_emit+0x322/0x930 [ 36.980331] vprintk_default+0x28/0x30 [ 36.980335] vprintk_func+0x7e/0x181 [ 36.980339] printk+0xa7/0xcf [ 36.980344] kasan_die_handler.cold.22+0x11/0x30 [ 36.980348] notifier_call_chain+0x17e/0x380 [ 36.980353] atomic_notifier_call_chain+0x96/0x190 [ 36.980357] notify_die+0x1bd/0x2d0 [ 36.980362] do_general_protection+0x248/0x2f0 [ 36.980366] general_protection+0x1e/0x30 [ 36.980370] __schedule+0xfb7/0x1ed0 [ 36.980375] preempt_schedule_common+0x1f/0xd0 [ 36.980379] preempt_schedule+0x4d/0x60 [ 36.980384] ___preempt_schedule+0x16/0x18 [ 36.980388] on_each_cpu+0x1ab/0x1e0 [ 36.980392] text_poke_bp+0x14e/0x1de [ 36.980397] __jump_label_transform.isra.0+0x478/0x8f0 [ 36.980401] arch_jump_label_transform+0x2f/0x40 [ 36.980406] __jump_label_update+0x16e/0x1a0 [ 36.980410] jump_label_update+0x174/0x320 [ 36.980415] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.980420] static_key_slow_dec+0x63/0xa0 [ 36.980424] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 36.980428] kvm_vcpu_uninit+0x44/0x90 [ 36.980433] vmx_free_vcpu+0x23a/0x300 [ 36.980437] kvm_arch_destroy_vm+0x365/0x7c0 [ 36.980441] kvm_put_kvm+0x6c8/0xff0 [ 36.980445] kvm_vm_release+0x42/0x50 [ 36.980449] __fput+0x385/0xa30 [ 36.980453] ____fput+0x15/0x20 [ 36.980457] task_work_run+0x1e8/0x2a0 [ 36.980461] do_exit+0x1ad7/0x2610 [ 36.980466] do_group_exit+0x177/0x440 [ 36.980470] __ia32_sys_exit_group+0x3e/0x50 [ 36.980475] do_fast_syscall_32+0x34d/0xfb2 [ 36.980479] entry_SYSENTER_compat+0x70/0x7f [ 36.980481] [ 36.980486] other info that might help us debug this: [ 36.980488] [ 36.980492] Chain exists of: [ 36.980494] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 36.980513] [ 36.980517] Possible unsafe locking scenario: [ 36.980520] [ 36.980524] CPU0 CPU1 [ 36.980528] ---- ---- [ 36.980531] lock(&rq->lock); [ 36.980541] lock(&p->pi_lock); [ 36.980550] lock(&rq->lock); [ 36.980559] lock((console_sem).lock); [ 36.980567] [ 36.980570] *** DEADLOCK *** [ 36.980573] [ 36.980577] 5 locks held by syz-executor559/5345: [ 36.980580] #0: 0000000054d2a99d (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 36.980599] #1: 0000000065b2c5a5 (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 36.980618] #2: 000000004471e3d7 (text_mutex){+.+.}, at: arch_jump_label_transform+0x1b/0x40 [ 36.980636] #3: 0000000053e1b538 (&rq->lock){-.-.}, at: __schedule+0x236/0x1ed0 [ 36.980654] #4: 000000005fe3812b (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 36.980672] [ 36.980676] stack backtrace: [ 36.980682] CPU: 1 PID: 5345 Comm: syz-executor559 Not tainted 4.19.0-rc2+ #131 [ 36.980689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.980693] Call Trace: [ 36.980705] dump_stack+0x1c4/0x2b4 [ 36.980709] ? dump_stack_print_info.cold.2+0x52/0x52 [ 36.980714] ? vprintk_func+0x85/0x181 [ 36.980720] print_circular_bug.isra.33.cold.54+0x1bd/0x27d [ 36.980723] ? save_trace+0xe0/0x290 [ 36.980728] __lock_acquire+0x33e4/0x4ec0 [ 36.980732] ? mark_held_locks+0x130/0x130 [ 36.980736] ? mark_held_locks+0x130/0x130 [ 36.980741] ? update_load_avg+0x387/0x2470 [ 36.980746] ? __update_load_avg_blocked_se+0x730/0x730 [ 36.980750] ? attach_entity_load_avg+0x860/0x860 [ 36.980755] ? update_load_avg+0x387/0x2470 [ 36.980759] ? __lock_is_held+0xb5/0x140 [ 36.980763] ? __lock_acquire+0x7ec/0x4ec0 [ 36.980768] ? attach_entity_load_avg+0x860/0x860 [ 36.980772] ? graph_lock+0x170/0x170 [ 36.980777] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.980781] lock_acquire+0x1ed/0x520 [ 36.980785] ? down_trylock+0x13/0x70 [ 36.980789] ? find_held_lock+0x36/0x1c0 [ 36.980793] ? lock_release+0x970/0x970 [ 36.980797] ? trace_hardirqs_off+0xb8/0x310 [ 36.980801] ? vprintk_emit+0x1d3/0x930 [ 36.980806] ? trace_hardirqs_on+0x310/0x310 [ 36.980810] ? trace_hardirqs_off+0xb8/0x310 [ 36.980814] ? log_store+0x344/0x4c0 [ 36.980818] ? vprintk_emit+0x322/0x930 [ 36.980823] _raw_spin_lock_irqsave+0x99/0xd0 [ 36.980827] ? down_trylock+0x13/0x70 [ 36.980831] down_trylock+0x13/0x70 [ 36.980836] __down_trylock_console_sem+0xae/0x200 [ 36.980840] console_trylock+0x15/0xa0 [ 36.980844] vprintk_emit+0x322/0x930 [ 36.980848] ? wake_up_klogd+0x180/0x180 [ 36.980852] ? __lock_acquire+0x7ec/0x4ec0 [ 36.980856] ? mark_held_locks+0x130/0x130 [ 36.980860] vprintk_default+0x28/0x30 [ 36.980864] vprintk_func+0x7e/0x181 [ 36.980868] printk+0xa7/0xcf [ 36.980873] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 36.980877] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.980882] ? kasan_die_handler.cold.22+0x5/0x30 [ 36.980886] ? kasan_die_handler+0x1a/0x31 [ 36.980891] kasan_die_handler.cold.22+0x11/0x30 [ 36.980895] notifier_call_chain+0x17e/0x380 [ 36.980900] ? unregister_die_notifier+0x20/0x20 [ 36.980904] ? kasan_check_read+0x11/0x20 [ 36.980909] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 36.980913] ? rcu_bh_qs+0xc0/0xc0 [ 36.980917] ? rcu_bh_qs+0xc0/0xc0 [ 36.980921] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 36.980926] atomic_notifier_call_chain+0x96/0x190 [ 36.980930] notify_die+0x1bd/0x2d0 [ 36.980935] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 36.980939] ? search_module_extables+0x98/0xe0 [ 36.980943] ? __schedule+0xfb7/0x1ed0 [ 36.980948] ? __schedule+0xfb7/0x1ed0 [ 36.980952] ? search_exception_tables+0x47/0x50 [ 36.980957] do_general_protection+0x248/0x2f0 [ 36.980961] general_protection+0x1e/0x30 [ 36.980965] RIP: 0010:__schedule+0xfb7/0x1ed0 [ 36.980979] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 0f 85 b9 09 00 00 4d 8b 24 24 4d 85 e4 0f 84 0b f7 ff ff 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 a4 e8 ad 19 04 fa eb 9d 48 89 de 4c 89 ff e8 a0 [ 36.980983] RSP: 0018:ffff8801bbc76b80 EFLAGS: 00010806 [ 36.980992] RAX: 1bd5a00000000022 RBX: ffff8801bdaea1c0 RCX: 1ffff1003891788f [ 36.980999] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 36.981005] RBP: ffff8801bbc76d58 R08: ffff8801c0bea080 R09: fffff520003c7e47 [ 36.981011] R10: fffff520003c7e47 R11: ffffc90001e3f23b R12: dead000000000100 [ 36.981017] R13: dffffc0000000000 R14: ffff8801daf2cb40 R15: ffff8801c0bea080 [ 36.981021] ? add_nops+0x90/0x90 [ 36.981025] ? __sched_text_start+0x8/0x8 [ 36.981029] ? __set_pte_vaddr+0x135/0x1a0 [ 36.981034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 36.981039] ? find_next_and_bit+0x183/0x1e0 [ 36.981043] ? smp_call_function_many+0x13f/0xb60 [ 36.981048] ? mark_held_locks+0xc7/0x130 [ 36.981052] ? text_poke+0x405/0x5e0 [ 36.981056] ? on_each_cpu+0xdd/0x1e0 [ 36.981059] ? on_each_cpu+0xdd/0x1e0 [ 36.981064] ? kvm_arch_vcpu_uninit+0x135/0x1d0 [ 36.981069] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.981073] ? preempt_schedule+0x4d/0x60 [ 36.981077] ? kvm_arch_vcpu_uninit+0x135/0x1d0 [ 36.981082] preempt_schedule_common+0x1f/0xd0 [ 36.981086] preempt_schedule+0x4d/0x60 [ 36.981090] ___preempt_schedule+0x16/0x18 [ 36.981094] ? on_each_cpu+0x13b/0x1e0 [ 36.981098] ? on_each_cpu+0x1a6/0x1e0 [ 36.981102] on_each_cpu+0x1ab/0x1e0 [ 36.981107] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 36.981111] text_poke_bp+0x14e/0x1de [ 36.981115] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 36.981120] ? poke_int3_handler+0x90/0x90 [ 36.981124] ? wait_for_completion+0x8a0/0x8a0 [ 36.981129] ? kvm_arch_vcpu_uninit+0x134/0x1d0 [ 36.981134] __jump_label_transform.isra.0+0x478/0x8f0 [ 36.981138] ? modules_open+0xa0/0xa0 [ 36.981142] ? kvm_vm_release+0x42/0x50 [ 36.981146] ? get_trap_addr+0x1d0/0x1d0 [ 36.981150] ? do_group_exit+0x177/0x440 [ 36.981155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.981159] ? jump_label_type+0x139/0x1e0 [ 36.981164] arch_jump_label_transform+0x2f/0x40 [ 36.981169] __jump_label_update+0x16e/0x1a0 [ 36.981173] jump_label_update+0x174/0x320 [ 36.981178] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.981182] ? static_key_disable+0x30/0x30 [ 36.981187] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.981191] static_key_slow_dec+0x63/0xa0 [ 36.981194] k [ 36.981201] Lost 88 message(s)! [ 38.007746] ---[ end trace 064a28865527b8ed ]--- [ 38.012513] RIP: 0010:__schedule+0xfb7/0x1ed0 [ 38.017005] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 0f 85 b9 09 00 00 4d 8b 24 24 4d 85 e4 0f 84 0b f7 ff ff 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 a4 e8 ad 19 04 fa eb 9d 48 89 de 4c 89 ff e8 a0 [ 38.035987] RSP: 0018:ffff8801bbc76b80 EFLAGS: 00010806 [ 38.041355] RAX: 1bd5a00000000022 RBX: ffff8801bdaea1c0 RCX: 1ffff1003891788f [ 38.048624] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 38.055890] RBP: ffff8801bbc76d58 R08: ffff8801c0bea080 R09: fffff520003c7e47 [ 38.063181] R10: fffff520003c7e47 R11: ffffc90001e3f23b R12: dead000000000100 [ 38.070462] R13: dffffc0000000000 R14: ffff8801daf2cb40 R15: ffff8801c0bea080 [ 38.077732] FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 38.085955] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 38.091832] CR2: 00000000f7fe7c7f CR3: 000000000946a000 CR4: 00000000001426e0 [ 38.099100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.106372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.113635] Kernel panic - not syncing: Fatal exception [ 39.254855] Shutting down cpus with NMI [ 39.259271] Dumping ftrace buffer: [ 39.262794] (ftrace buffer empty) [ 39.267088] Kernel Offset: disabled [ 39.270719] Rebooting in 86400 seconds..