[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 25.998867] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.415691] random: sshd: uninitialized urandom read (32 bytes read) [ 29.670360] random: sshd: uninitialized urandom read (32 bytes read) [ 30.270686] random: sshd: uninitialized urandom read (32 bytes read) [ 30.487497] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. [ 36.091878] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 36.214563] 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. [ 36.319970] kasan: CONFIG_KASAN_INLINE enabled [ 36.326916] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.334292] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.340523] CPU: 0 PID: 5353 Comm: syz-executor158 Not tainted 4.19.0-rc2+ #229 [ 36.347964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.357327] RIP: 0010:__schedule+0xfb7/0x1ed0 [ 36.362015] 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 [ 36.380958] RSP: 0018:ffff8801bf0266f8 EFLAGS: 00010806 [ 36.386317] RAX: 1bd5a00000000022 RBX: ffff8801bde6a4c0 RCX: 1ffff1003761588f [ 36.393568] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 36.400823] RBP: ffff8801bf0268d0 R08: ffff8801c32b4240 R09: fffff520003c7e47 [ 36.408077] R10: fffff520003c7e47 R11: ffffc90001e3f23b R12: dead000000000100 [ 36.415331] R13: dffffc0000000000 R14: ffff8801dae2cb40 R15: ffff8801c32b4240 [ 36.422647] FS: 0000000000f33880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 36.430869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.436734] CR2: 0000000000444f2f CR3: 00000001ca1a4000 CR4: 00000000001426f0 [ 36.443988] Call Trace: [ 36.446568] ? __sched_text_start+0x8/0x8 [ 36.450776] ? mark_held_locks+0xc7/0x130 [ 36.454918] ? preempt_schedule_irq+0x5e/0x110 [ 36.459483] ? preempt_schedule_irq+0x5e/0x110 [ 36.464057] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.468635] ? trace_hardirqs_on+0xbd/0x310 [ 36.472940] ? fill_pud+0x8f/0x360 [ 36.476466] ? retint_kernel+0x1b/0x2d [ 36.480340] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 36.485783] preempt_schedule_irq+0x87/0x110 [ 36.490178] retint_kernel+0x1b/0x2d [ 36.493884] RIP: 0010:text_poke+0x43b/0x5e0 [ 36.498191] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 01 00 00 48 83 3d 99 05 26 08 00 0f 84 d7 00 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d [ 36.517087] RSP: 0018:ffff8801bf0269c8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 36.524943] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff10038656966 [ 36.532202] RDX: 1ffffffff12a4535 RSI: 0000000000000000 RDI: 0000000000000282 [ 36.539457] RBP: ffff8801bf026a08 R08: ffff8801c32b4b30 R09: 0000000000000006 [ 36.546775] R10: 0000000000000000 R11: ffff8801c32b4240 R12: ffffffff8120453f [ 36.554034] R13: ffffea0000048140 R14: ffff8801bf026a40 R15: 0000000000000001 [ 36.561299] ? handle_cr+0x43f/0x2460 [ 36.565088] ? handle_cr+0x43f/0x2460 [ 36.568868] ? handle_cr+0x440/0x2460 [ 36.572653] text_poke_bp+0xef/0x1de [ 36.576350] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 36.581264] ? poke_int3_handler+0x90/0x90 [ 36.585487] ? wait_for_completion+0x8a0/0x8a0 [ 36.590052] ? handle_cr+0x43f/0x2460 [ 36.593839] __jump_label_transform.isra.0+0x478/0x8f0 [ 36.599097] ? modules_open+0xa0/0xa0 [ 36.602883] ? kvm_vm_release+0x42/0x50 [ 36.606840] ? get_trap_addr+0x1d0/0x1d0 [ 36.610882] ? do_group_exit+0x177/0x440 [ 36.614928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.620454] ? jump_label_type+0x139/0x1e0 [ 36.624680] arch_jump_label_transform+0x2f/0x40 [ 36.629422] __jump_label_update+0x16e/0x1a0 [ 36.633886] jump_label_update+0x174/0x320 [ 36.638113] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 36.643547] ? static_key_disable+0x30/0x30 [ 36.647900] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.652910] static_key_slow_dec+0x63/0xa0 [ 36.657191] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 36.661678] kvm_vcpu_uninit+0x44/0x90 [ 36.665549] vmx_free_vcpu+0x23a/0x300 [ 36.669420] kvm_arch_destroy_vm+0x365/0x7c0 [ 36.673822] ? check_memory_region+0x1a3/0x1b0 [ 36.678402] ? kvm_arch_sync_events+0x30/0x30 [ 36.682898] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.688472] ? mmu_notifier_unregister+0x474/0x600 [ 36.693408] ? kfree+0x107/0x230 [ 36.696761] ? __mmu_notifier_register+0x30/0x30 [ 36.701503] ? __free_pages+0x10a/0x190 [ 36.705458] ? free_unref_page+0x960/0x960 [ 36.709680] kvm_put_kvm+0x6c8/0xff0 [ 36.713380] ? kvm_write_guest_cached+0x40/0x40 [ 36.718038] ? kvm_irqfd_release+0xd1/0x120 [ 36.722392] ? _raw_spin_unlock_irq+0x27/0x80 [ 36.726892] ? _raw_spin_unlock_irq+0x27/0x80 [ 36.731376] ? kasan_check_write+0x14/0x20 [ 36.735614] ? do_raw_spin_lock+0xc1/0x200 [ 36.739855] ? kvm_irqfd_release+0xdd/0x120 [ 36.744174] ? kvm_irqfd_release+0xdd/0x120 [ 36.748485] ? kvm_put_kvm+0xff0/0xff0 [ 36.752357] kvm_vm_release+0x42/0x50 [ 36.756142] __fput+0x385/0xa30 [ 36.759411] ? get_max_files+0x20/0x20 [ 36.763286] ? ___might_sleep+0x1ed/0x300 [ 36.767421] ? arch_local_save_flags+0x40/0x40 [ 36.771984] ? delayed_fput+0x80/0x80 [ 36.775765] ____fput+0x15/0x20 [ 36.779029] task_work_run+0x1e8/0x2a0 [ 36.782904] ? task_work_cancel+0x240/0x240 [ 36.787216] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.792742] ? switch_task_namespaces+0x9d/0xd0 [ 36.797407] do_exit+0x1ad7/0x2610 [ 36.800932] ? lock_pin_lock+0x350/0x350 [ 36.804979] ? mm_update_next_owner+0x990/0x990 [ 36.809629] ? print_usage_bug+0xc0/0xc0 [ 36.813673] ? mark_held_locks+0x130/0x130 [ 36.817890] ? graph_lock+0x170/0x170 [ 36.821671] ? print_usage_bug+0xc0/0xc0 [ 36.825713] ? check_usage+0x1a9/0x790 [ 36.829586] ? __lock_is_held+0xb5/0x140 [ 36.833632] ? __lock_acquire+0x7ec/0x4ec0 [ 36.837849] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.842590] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.847156] ? mark_held_locks+0x130/0x130 [ 36.851373] ? mark_held_locks+0xc7/0x130 [ 36.855519] ? trace_hardirqs_on_caller+0xc0/0x310 [ 36.860447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.865184] ? trace_hardirqs_off+0x310/0x310 [ 36.869666] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.874411] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.878975] ? graph_lock+0x170/0x170 [ 36.882757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.887497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.892235] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.896800] ? retint_kernel+0x2d/0x2d [ 36.900668] ? trace_hardirqs_on_caller+0xc0/0x310 [ 36.905581] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.910317] ? trace_hardirqs_off+0x310/0x310 [ 36.914796] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.919541] do_group_exit+0x177/0x440 [ 36.923421] ? __ia32_sys_exit+0x50/0x50 [ 36.927527] get_signal+0x8b0/0x1980 [ 36.931235] ? ptrace_notify+0x130/0x130 [ 36.935285] ? get_unused_fd_flags+0x1a0/0x1a0 [ 36.939853] ? wait_for_completion+0x8a0/0x8a0 [ 36.944421] ? retint_kernel+0x2d/0x2d [ 36.948295] do_signal+0x9c/0x21e0 [ 36.951825] ? fd_install+0x4d/0x60 [ 36.955436] ? __do_sys_perf_event_open+0x7bb/0x2f30 [ 36.960520] ? __set_current_blocked+0xdf/0x120 [ 36.965215] ? setup_sigcontext+0x7d0/0x7d0 [ 36.969530] ? perf_event_set_output+0x650/0x650 [ 36.974269] ? _raw_spin_unlock_irq+0x60/0x80 [ 36.978750] ? exit_to_usermode_loop+0x8c/0x380 [ 36.983412] ? do_syscall_64+0x9a/0x820 [ 36.987368] ? do_syscall_64+0x9a/0x820 [ 36.991325] exit_to_usermode_loop+0x2e5/0x380 [ 36.995888] ? syscall_slow_exit_work+0x520/0x520 [ 37.000714] do_syscall_64+0x6be/0x820 [ 37.004588] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.009936] ? syscall_return_slowpath+0x5e0/0x5e0 [ 37.014853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.019684] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.024685] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.029682] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.034683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.039509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.044679] RIP: 0033:0x444f59 [ 37.047859] Code: Bad RIP value. [ 37.051202] RSP: 002b:00007ffc3f7c2db8 EFLAGS: 00000286 ORIG_RAX: 000000000000012a [ 37.058890] RAX: 0000000000000008 RBX: 00000000004002e0 RCX: 0000000000444f59 [ 37.066141] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 000000002001d000 [ 37.073391] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 37.080647] R10: 00000000ffffffff R11: 0000000000000286 R12: 0000000000402c60 [ 37.087896] R13: 0000000000402cf0 R14: 0000000000000000 R15: 0000000000000000 [ 37.095161] Modules linked in: [ 37.098420] Dumping ftrace buffer: [ 37.101949] (ftrace buffer empty) [ 37.105640] [ 37.105645] ====================================================== [ 37.105649] WARNING: possible circular locking dependency detected [ 37.105651] 4.19.0-rc2+ #229 Not tainted [ 37.105654] ------------------------------------------------------ [ 37.105657] syz-executor158/5353 is trying to acquire lock: [ 37.105659] 000000007260d264 ((console_sem).lock){-...}, at: down_trylock+0x13/0x70 [ 37.105668] [ 37.105671] but task is already holding lock: [ 37.105672] 00000000bd5e409f (&rq->lock){-.-.}, at: __schedule+0x236/0x1ed0 [ 37.105680] [ 37.105683] which lock already depends on the new lock. [ 37.105684] [ 37.105686] [ 37.105689] the existing dependency chain (in reverse order) is: [ 37.105690] [ 37.105692] -> #2 (&rq->lock){-.-.}: [ 37.105699] _raw_spin_lock+0x2d/0x40 [ 37.105702] task_fork_fair+0xb0/0x6d0 [ 37.105704] sched_fork+0x443/0xba0 [ 37.105707] copy_process+0x2586/0x8780 [ 37.105709] _do_fork+0x1cb/0x11d0 [ 37.105711] kernel_thread+0x34/0x40 [ 37.105713] rest_init+0x22/0xe5 [ 37.105715] start_kernel+0x8f4/0x92f [ 37.105718] x86_64_start_reservations+0x29/0x2b [ 37.105721] x86_64_start_kernel+0x76/0x79 [ 37.105723] secondary_startup_64+0xa4/0xb0 [ 37.105724] [ 37.105726] -> #1 (&p->pi_lock){-.-.}: [ 37.105734] _raw_spin_lock_irqsave+0x99/0xd0 [ 37.105736] try_to_wake_up+0xd2/0x12f0 [ 37.105738] wake_up_process+0x10/0x20 [ 37.105741] __up.isra.1+0x1c0/0x2a0 [ 37.105742] up+0x13c/0x1c0 [ 37.105745] __up_console_sem+0xbe/0x1b0 [ 37.105747] console_unlock+0x524/0x11a0 [ 37.105750] vprintk_emit+0x33d/0x930 [ 37.105752] vprintk_default+0x28/0x30 [ 37.105754] vprintk_func+0x7e/0x181 [ 37.105756] printk+0xa7/0xcf [ 37.105758] load_umh+0x51/0xbd [ 37.105761] do_one_initcall+0x145/0x957 [ 37.105763] kernel_init_freeable+0x4bb/0x5ae [ 37.105765] kernel_init+0x11/0x1b2 [ 37.105768] ret_from_fork+0x3a/0x50 [ 37.105769] [ 37.105770] -> #0 ((console_sem).lock){-...}: [ 37.105778] lock_acquire+0x1ed/0x520 [ 37.105781] _raw_spin_lock_irqsave+0x99/0xd0 [ 37.105783] down_trylock+0x13/0x70 [ 37.105786] __down_trylock_console_sem+0xae/0x200 [ 37.105788] console_trylock+0x15/0xa0 [ 37.105790] vprintk_emit+0x322/0x930 [ 37.105793] vprintk_default+0x28/0x30 [ 37.105795] vprintk_func+0x7e/0x181 [ 37.105797] printk+0xa7/0xcf [ 37.105800] kasan_die_handler.cold.22+0x11/0x30 [ 37.105802] notifier_call_chain+0x17e/0x380 [ 37.105805] atomic_notifier_call_chain+0x96/0x190 [ 37.105807] notify_die+0x1bd/0x2d0 [ 37.105810] do_general_protection+0x248/0x2f0 [ 37.105812] general_protection+0x1e/0x30 [ 37.105814] __schedule+0xfb7/0x1ed0 [ 37.105817] preempt_schedule_irq+0x87/0x110 [ 37.105819] retint_kernel+0x1b/0x2d [ 37.105821] text_poke+0x43b/0x5e0 [ 37.105824] text_poke_bp+0xef/0x1de [ 37.105826] __jump_label_transform.isra.0+0x478/0x8f0 [ 37.105829] arch_jump_label_transform+0x2f/0x40 [ 37.105832] __jump_label_update+0x16e/0x1a0 [ 37.105834] jump_label_update+0x174/0x320 [ 37.105838] __static_key_slow_dec_cpuslocked+0xb8/0x210 [ 37.105840] static_key_slow_dec+0x63/0xa0 [ 37.105843] kvm_arch_vcpu_uninit+0x18e/0x1d0 [ 37.105845] kvm_vcpu_uninit+0x44/0x90 [ 37.105848] vmx_free_vcpu+0x23a/0x300 [ 37.105850] kvm_arch_destroy_vm+0x365/0x7c0 [ 37.105853] kvm_put_kvm+0x6c8/0xff0 [ 37.105855] kvm_vm_release+0x42/0x50 [ 37.105857] __fput+0x385/0xa30 [ 37.105859] ____fput+0x15/0x20 [ 37.105862] task_work_run+0x1e8/0x2a0 [ 37.105864] do_exit+0x1ad7/0x2610 [ 37.105866] do_group_exit+0x177/0x440 [ 37.105869] get_signal+0x8b0/0x1980 [ 37.105871] do_signal+0x9c/0x21e0 [ 37.105873] exit_to_usermode_loop+0x2e5/0x380 [ 37.105876] do_syscall_64+0x6be/0x820 [ 37.105879] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.105880] [ 37.105882] other info that might help us debug this: [ 37.105884] [ 37.105885] Chain exists of: [ 37.105887] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 37.105899] [ 37.105901] Possible unsafe locking scenario: [ 37.105902] [ 37.105905] CPU0 CPU1 [ 37.105907] ---- ---- [ 37.105909] lock(&rq->lock); [ 37.105914] lock(&p->pi_lock); [ 37.105919] lock(&rq->lock); [ 37.105924] lock((console_sem).lock); [ 37.105928] [ 37.105930] *** DEADLOCK *** [ 37.105931] [ 37.105934] 5 locks held by syz-executor158/5353: [ 37.105935] #0: 00000000f86b5c93 (cpu_hotplug_lock.rw_sem){++++}, at: static_key_slow_dec+0x57/0xa0 [ 37.105945] #1: 00000000ec5eb573 (jump_label_mutex){+.+.}, at: __static_key_slow_dec_cpuslocked+0x82/0x210 [ 37.105955] #2: 000000005229c3b9 (text_mutex){+.+.}, at: arch_jump_label_transform+0x1b/0x40 [ 37.105965] #3: 00000000bd5e409f (&rq->lock){-.-.}, at: __schedule+0x236/0x1ed0 [ 37.105975] #4: 00000000fded7bc7 (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 [ 37.105985] [ 37.105987] stack backtrace: [ 37.105991] CPU: 0 PID: 5353 Comm: syz-executor158 Not tainted 4.19.0-rc2+ #229 [ 37.105995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.105997] Call Trace: [ 37.105999] dump_stack+0x1c4/0x2b4 [ 37.106002] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.106004] ? vprintk_func+0x85/0x181 [ 37.106008] print_circular_bug.isra.33.cold.54+0x1bd/0x27d [ 37.106010] ? save_trace+0xe0/0x290 [ 37.106012] __lock_acquire+0x33e4/0x4ec0 [ 37.106014] ? mark_held_locks+0x130/0x130 [ 37.106017] ? mark_held_locks+0x130/0x130 [ 37.106019] ? graph_lock+0x170/0x170 [ 37.106022] ? update_load_avg+0x387/0x2470 [ 37.106024] ? attach_entity_load_avg+0x860/0x860 [ 37.106027] ? update_load_avg+0x387/0x2470 [ 37.106029] ? __lock_acquire+0x7ec/0x4ec0 [ 37.106031] ? graph_lock+0x170/0x170 [ 37.106034] ? __lock_acquire+0x7ec/0x4ec0 [ 37.106037] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.106039] lock_acquire+0x1ed/0x520 [ 37.106041] ? down_trylock+0x13/0x70 [ 37.106043] ? find_held_lock+0x36/0x1c0 [ 37.106046] ? lock_release+0x970/0x970 [ 37.106048] ? trace_hardirqs_off+0xb8/0x310 [ 37.106050] ? vprintk_emit+0x1d3/0x930 [ 37.106053] ? trace_hardirqs_on+0x310/0x310 [ 37.106055] ? trace_hardirqs_off+0xb8/0x310 [ 37.106057] ? log_store+0x344/0x4c0 [ 37.106060] ? vprintk_emit+0x322/0x930 [ 37.106062] _raw_spin_lock_irqsave+0x99/0xd0 [ 37.106064] ? down_trylock+0x13/0x70 [ 37.106067] down_trylock+0x13/0x70 [ 37.106069] __down_trylock_console_sem+0xae/0x200 [ 37.106072] console_trylock+0x15/0xa0 [ 37.106074] vprintk_emit+0x322/0x930 [ 37.106076] ? wake_up_klogd+0x180/0x180 [ 37.106079] ? __lock_acquire+0x7ec/0x4ec0 [ 37.106081] ? mark_held_locks+0x130/0x130 [ 37.106084] ? check_preemption_disabled+0x48/0x200 [ 37.106086] vprintk_default+0x28/0x30 [ 37.106088] vprintk_func+0x7e/0x181 [ 37.106090] printk+0xa7/0xcf [ 37.106093] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 37.106096] ? perf_event_update_userpage+0xcd0/0xcd0 [ 37.106099] ? kasan_die_handler.cold.22+0x5/0x30 [ 37.106101] ? kasan_die_handler+0x1a/0x31 [ 37.106104] kasan_die_handler.cold.22+0x11/0x30 [ 37.106106] notifier_call_chain+0x17e/0x380 [ 37.106109] ? unregister_die_notifier+0x20/0x20 [ 37.106111] ? kasan_check_read+0x11/0x20 [ 37.106114] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.106116] ? rcu_bh_qs+0xc0/0xc0 [ 37.106119] ? rcu_bh_qs+0xc0/0xc0 [ 37.106121] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 37.106124] atomic_notifier_call_chain+0x96/0x190 [ 37.106126] notify_die+0x1bd/0x2d0 [ 37.106129] ? __atomic_notifier_call_chain+0x1a0/0x1a0 [ 37.106131] ? search_module_extables+0x98/0xe0 [ 37.106134] ? __schedule+0xfb7/0x1ed0 [ 37.106136] ? __schedule+0xfb7/0x1ed0 [ 37.106138] ? search_exception_tables+0x47/0x50 [ 37.106141] do_general_protection+0x248/0x2f0 [ 37.106143] general_protection+0x1e/0x30 [ 37.106146] RIP: 0010:__schedule+0xfb7/0x1ed0 [ 37.106154] 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 [ 37.106157] RSP: 0018:ffff8801bf0266f8 EFLAGS: 00010806 [ 37.106162] RAX: 1bd5a00000000022 RBX: ffff8801bde6a4c0 RCX: 1ffff1003761588f [ 37.106166] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 37.106170] RBP: ffff8801bf0268d0 R08: ffff8801c32b4240 R09: fffff520003c7e47 [ 37.106173] R10: fffff520003c7e47 R11: ffffc90001e3f23b R12: dead000000000100 [ 37.106177] R13: dffffc0000000000 R14: ffff8801dae2cb40 R15: ffff8801c32b4240 [ 37.106179] ? __schedule+0xf8c/0x1ed0 [ 37.106182] ? __sched_text_start+0x8/0x8 [ 37.106184] ? mark_held_locks+0xc7/0x130 [ 37.106187] ? preempt_schedule_irq+0x5e/0x110 [ 37.106189] ? preempt_schedule_irq+0x5e/0x110 [ 37.106192] ? lockdep_hardirqs_on+0x421/0x5c0 [ 37.106194] ? trace_hardirqs_on+0xbd/0x310 [ 37.106196] ? fill_pud+0x8f/0x360 [ 37.106198] ? retint_kernel+0x1b/0x2d [ 37.106201] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 37.106204] preempt_schedule_irq+0x87/0x110 [ 37.106206] retint_kernel+0x1b/0x2d [ 37.106208] RIP: 0010:text_poke+0x43b/0x5e0 [ 37.106217] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 01 00 00 48 83 3d 99 05 26 08 00 0f 84 d7 00 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d [ 37.106219] RSP: 0018:ffff8801bf0269c8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 37.106225] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff10038656966 [ 37.106229] RDX: 1ffffffff12a4535 RSI: 0000000000000000 RDI: 0000000000000282 [ 37.106232] RBP: ffff8801bf026a08 R08: ffff8801c32b4b30 R09: 0000000000000006 [ 37.106236] R10: 0000000000000000 R11: ffff8801c32b4240 R12: ffffffff8120453f [ 37.106240] R13: ffffea0000048140 R14: ffff8801bf026a40 R15: 0000000000000001 [ 37.106242] ? handle_cr+0x43f/0x2460 [ 37.106244] ? handle_cr+0x43f/0x2460 [ 37.106246] ? handle_cr+0x440/0x2460 [ 37.106249] text_poke_bp+0xef/0x1de [ 37.106251] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 37.106254] ? poke_int3_handler+0x90/0x90 [ 37.106256] ? wait_for_completion+0x8a0/0x8a0 [ 37.106258] ? handle_cr+0x43f/0x2460 [ 37.106261] __jump_label_transform.isra.0+0x478/0x8f0 [ 37.106263] ? modules_open+0x [ 37.106268] Lost 110 message(s)! [ 38.117693] ---[ end trace eb5fe7c2a3046952 ]--- [ 38.122459] RIP: 0010:__schedule+0xfb7/0x1ed0 [ 38.126956] 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 [ 38.145853] RSP: 0018:ffff8801bf0266f8 EFLAGS: 00010806 [ 38.151218] RAX: 1bd5a00000000022 RBX: ffff8801bde6a4c0 RCX: 1ffff1003761588f [ 38.158482] RDX: 0000000040000000 RSI: 0000000000000000 RDI: dead000000000110 [ 38.165748] RBP: ffff8801bf0268d0 R08: ffff8801c32b4240 R09: fffff520003c7e47 [ 38.173015] R10: fffff520003c7e47 R11: ffffc90001e3f23b R12: dead000000000100 [ 38.180282] R13: dffffc0000000000 R14: ffff8801dae2cb40 R15: ffff8801c32b4240 [ 38.187553] FS: 0000000000f33880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 38.195783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.201661] CR2: 0000000000444f2f CR3: 00000001ca1a4000 CR4: 00000000001426f0 [ 38.208934] Kernel panic - not syncing: Fatal exception [ 39.398516] Shutting down cpus with NMI [ 39.402885] Dumping ftrace buffer: [ 39.406417] (ftrace buffer empty) [ 39.410634] Kernel Offset: disabled [ 39.414256] Rebooting in 86400 seconds..