rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...!: (0 ticks this GP) idle=521/1/0x4000000000000000 softirq=117785/117785 fqs=1 rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16024/1:b..l (detected by 0, t=10503 jiffies, g=140213, q=188 ncpus=2) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3635 Comm: syz-executor.5 Not tainted 5.19.0-rc3-syzkaller-00132-g3b89b511ea0c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xd5d/0x5660 kernel/locking/lockdep.c:5079 Code: 09 48 8b 3c 24 e8 23 3b 69 00 41 8b 85 58 0a 00 00 83 c0 01 83 f8 2f 41 89 85 58 0a 00 00 0f 87 eb 0b 00 00 3b 05 63 68 76 0e <41> be 01 00 00 00 0f 86 c8 00 00 00 89 05 51 68 76 0e e9 bd 00 00 RSP: 0018:ffffc900001f0ac0 EFLAGS: 00000087 RAX: 0000000000000007 RBX: ffffffff8f54f3e0 RCX: ffffffff815e075e RDX: 1ffff11003c0a14b RSI: 0000000000000001 RDI: ffffffff8f54f3f8 RBP: 00000000000062e2 R08: 0000000000000000 R09: ffffffff9067e907 R10: fffffbfff20cfd20 R11: 0000000000000001 R12: ffff88801e050b50 R13: ffff88801e050000 R14: 0000000000000000 R15: eb49e884925af26e FS: 0000555556b01400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd130b08c24 CR3: 0000000050447000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5665 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:658 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline] debug_activate kernel/time/hrtimer.c:475 [inline] enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084 __run_hrtimer kernel/time/hrtimer.c:1702 [inline] __hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:229 Code: fe 87 7e 81 e2 00 01 ff 00 75 10 65 48 8b 04 25 80 6f 02 00 48 8b 80 98 15 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <65> 8b 05 b9 fe 87 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 RSP: 0018:ffffc9000310f768 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81b2a49b RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 1ffff92000621eef R08: 0000000000000007 R09: 0000000000000000 R10: 8000000050a79007 R11: 0000000000000001 R12: ffff88805044b000 R13: 00007f6111931000 R14: 8000000050a79007 R15: 0000000000000000 __pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline] protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline] pte_pfn arch/x86/include/asm/pgtable.h:189 [inline] vm_normal_page+0xbb/0x2a0 mm/memory.c:615 copy_present_pte mm/memory.c:943 [inline] copy_pte_range mm/memory.c:1077 [inline] copy_pmd_range mm/memory.c:1163 [inline] copy_pud_range mm/memory.c:1200 [inline] copy_p4d_range mm/memory.c:1224 [inline] copy_page_range+0xc44/0x3b00 mm/memory.c:1322 dup_mmap kernel/fork.c:699 [inline] dup_mm+0xa4e/0x1390 kernel/fork.c:1524 copy_mm kernel/fork.c:1576 [inline] copy_process+0x3bba/0x7020 kernel/fork.c:2240 kernel_clone+0xe7/0xab0 kernel/fork.c:2655 __do_sys_clone+0xba/0x100 kernel/fork.c:2789 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f61120876fb Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffde9a01940 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61120876fb RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555556b01400 R10: 0000555556b016d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffde9a01a20 task:syz-executor.4 state:R running task stack:29048 pid:16024 ppid: 3638 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0xa00/0x4b50 kernel/sched/core.c:6458 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6623 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x36/0x40 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:389 [inline] filemap_map_pages+0x13e6/0x1e00 mm/filemap.c:3410 do_fault_around mm/memory.c:4480 [inline] do_read_fault mm/memory.c:4506 [inline] do_fault mm/memory.c:4640 [inline] handle_pte_fault mm/memory.c:4903 [inline] __handle_mm_fault+0x2717/0x3f50 mm/memory.c:5042 handle_mm_fault+0x1c8/0x790 mm/memory.c:5140 do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7fd130a9f19b RSP: 002b:00007ffc0c201228 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000000000000 RSI: 00007fd130b08c20 RDI: 0000000000000004 RBP: 00007ffc0c201780 R08: 00007ffc0c201747 R09: cccccccccccccccd R10: 0000000000000000 R11: 0000000000000000 R12: 00007ffc0c2017a0 R13: 00007fd130ae2f7f R14: 00007ffc0c201920 R15: 0000000000000075 rcu: rcu_preempt kthread starved for 10495 jiffies! g140213 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28656 pid: 17 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0xa00/0x4b50 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1999 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2187 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 4351 Comm: kworker/u4:0 Not tainted 5.19.0-rc3-syzkaller-00132-g3b89b511ea0c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound toggle_allocation_gate Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 kernel/rcu/tree_stall.h:518 print_other_cpu_stall kernel/rcu/tree_stall.h:623 [inline] check_cpu_stall kernel/rcu/tree_stall.h:771 [inline] rcu_pending kernel/rcu/tree.c:3977 [inline] rcu_sched_clock_irq+0x2316/0x2370 kernel/rcu/tree.c:2675 update_process_times+0x11a/0x1a0 kernel/time/timer.c:1839 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243 tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1481 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:write_comp_data+0x3c/0x90 kernel/kcov.c:229 Code: 01 00 00 49 89 f8 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 a4 15 00 00 85 c0 74 4f 8b 82 80 15 00 00 <83> f8 03 75 44 48 8b 82 88 15 00 00 8b 92 84 15 00 00 48 8b 38 48 RSP: 0018:ffffc90002d5f948 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880b9b401a0 RCX: ffffffff816fddfd RDX: ffff888045ef8000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffed1017368035 R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000 csd_lock_wait kernel/smp.c:414 [inline] smp_call_function_many_cond+0x4bd/0x1110 kernel/smp.c:988 on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1154 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1231 [inline] text_poke_bp_batch+0x233/0x6c0 arch/x86/kernel/alternative.c:1419 text_poke_flush arch/x86/kernel/alternative.c:1589 [inline] text_poke_flush arch/x86/kernel/alternative.c:1586 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1596 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 jump_label_update+0x32f/0x410 kernel/jump_label.c:830 static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177 static_key_enable+0x16/0x20 kernel/jump_label.c:190 toggle_allocation_gate mm/kfence/core.c:808 [inline] toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:800 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kworker/u4:0:4351] Modules linked in: irq event stamp: 3500970 hardirqs last enabled at (3500969): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 hardirqs last disabled at (3500970): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (3451726): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (3451726): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (3451691): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (3451691): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 0 PID: 4351 Comm: kworker/u4:0 Not tainted 5.19.0-rc3-syzkaller-00132-g3b89b511ea0c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline] RIP: 0010:smp_call_function_many_cond+0x499/0x1110 kernel/smp.c:988 Code: 01 89 ee e8 19 94 0a 00 85 ed 74 47 48 8b 04 24 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 fc 83 c5 03 e8 b9 97 0a 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 21 0a 00 00 8b 43 08 31 RSP: 0018:ffffc90002d5f950 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff8880b9b401a0 RCX: 0000000000000000 RDX: ffff888045ef8000 RSI: ffffffff816fddd7 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffed1017368035 R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e826000 CR3: 000000000ba8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1154 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1231 [inline] text_poke_bp_batch+0x233/0x6c0 arch/x86/kernel/alternative.c:1419 text_poke_flush arch/x86/kernel/alternative.c:1589 [inline] text_poke_flush arch/x86/kernel/alternative.c:1586 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1596 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 jump_label_update+0x32f/0x410 kernel/jump_label.c:830 static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177 static_key_enable+0x16/0x20 kernel/jump_label.c:190 toggle_allocation_gate mm/kfence/core.c:808 [inline] toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:800 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3635 Comm: syz-executor.5 Not tainted 5.19.0-rc3-syzkaller-00132-g3b89b511ea0c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_preemption_disabled+0x3f/0x170 lib/smp_processor_id.c:56 Code: 8b 25 e5 0e 8b 76 65 8b 1d 4e 64 8b 76 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d <41> 5c 41 5d 41 5e c3 0f 1f 44 00 00 9c 5b 81 e3 00 02 00 00 31 ff RSP: 0018:ffffc900001f0d70 EFLAGS: 00000006 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000010003 RDI: 0000000000000000 RBP: ffff88807ec83b00 R08: 0000000000000001 R09: 0000000000000003 R10: fffff5200003e1ac R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff89cc7d20 R14: 00000000ffffffff R15: ffffffff8788ea80 FS: 0000555556b01400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd130b08c24 CR3: 0000000050447000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:461 [inline] lock_is_held_type+0x63/0x140 kernel/locking/lockdep.c:5707 lock_is_held include/linux/lockdep.h:279 [inline] advance_sched+0x60/0x9a0 net/sched/sch_taprio.c:716 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:229 Code: fe 87 7e 81 e2 00 01 ff 00 75 10 65 48 8b 04 25 80 6f 02 00 48 8b 80 98 15 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <65> 8b 05 b9 fe 87 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 RSP: 0018:ffffc9000310f768 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81b2a49b RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 1ffff92000621eef R08: 0000000000000007 R09: 0000000000000000 R10: 8000000050a79007 R11: 0000000000000001 R12: ffff88805044b000 R13: 00007f6111931000 R14: 8000000050a79007 R15: 0000000000000000 __pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline] protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline] pte_pfn arch/x86/include/asm/pgtable.h:189 [inline] vm_normal_page+0xbb/0x2a0 mm/memory.c:615 copy_present_pte mm/memory.c:943 [inline] copy_pte_range mm/memory.c:1077 [inline] copy_pmd_range mm/memory.c:1163 [inline] copy_pud_range mm/memory.c:1200 [inline] copy_p4d_range mm/memory.c:1224 [inline] copy_page_range+0xc44/0x3b00 mm/memory.c:1322 dup_mmap kernel/fork.c:699 [inline] dup_mm+0xa4e/0x1390 kernel/fork.c:1524 copy_mm kernel/fork.c:1576 [inline] copy_process+0x3bba/0x7020 kernel/fork.c:2240 kernel_clone+0xe7/0xab0 kernel/fork.c:2655 __do_sys_clone+0xba/0x100 kernel/fork.c:2789 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f61120876fb Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffde9a01940 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61120876fb RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555556b01400 R10: 0000555556b016d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffde9a01a20 ---------------- Code disassembly (best guess): 0: 09 48 8b or %ecx,-0x75(%rax) 3: 3c 24 cmp $0x24,%al 5: e8 23 3b 69 00 callq 0x693b2d a: 41 8b 85 58 0a 00 00 mov 0xa58(%r13),%eax 11: 83 c0 01 add $0x1,%eax 14: 83 f8 2f cmp $0x2f,%eax 17: 41 89 85 58 0a 00 00 mov %eax,0xa58(%r13) 1e: 0f 87 eb 0b 00 00 ja 0xc0f 24: 3b 05 63 68 76 0e cmp 0xe766863(%rip),%eax # 0xe76688d * 2a: 41 be 01 00 00 00 mov $0x1,%r14d <-- trapping instruction 30: 0f 86 c8 00 00 00 jbe 0xfe 36: 89 05 51 68 76 0e mov %eax,0xe766851(%rip) # 0xe76688d 3c: e9 .byte 0xe9 3d: bd .byte 0xbd