watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.2.83:6234] Modules linked in: irq event stamp: 13293325 hardirqs last enabled at (13293324): [] irqentry_exit+0x74/0x90 kernel/entry/common.c:214 hardirqs last disabled at (13293325): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1052 softirqs last enabled at (12044218): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (12044218): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (12044218): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 softirqs last disabled at (12044221): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (12044221): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (12044221): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 CPU: 0 UID: 0 PID: 6234 Comm: syz.2.83 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:strlen+0x2e/0x70 lib/string.c:420 Code: 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 42 0f b6 04 30 <84> c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 75 de eb 19 89 RSP: 0018:ffffc90000006c98 EFLAGS: 00000a03 RAX: 0000000000000006 RBX: ffffffff8b6bd78d RCX: 000000008b6bd704 RDX: 0000000000000000 RSI: ffffffff8e13b260 RDI: ffffffff8b6bd780 RBP: ffffc90000006db8 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc90000006f98 R11: ffffffff81ab4d30 R12: 1ffff92000000da0 R13: ffffffff8e13b260 R14: dffffc0000000000 R15: 000000000000000c FS: 00007f6c3db9a6c0(0000) GS:ffff888125d27000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557f6cd5c8 CR3: 000000007d676000 CR4: 00000000003526f0 Call Trace: __fortify_strlen include/linux/fortify-string.h:268 [inline] trace_event_get_offsets_lock_acquire include/trace/events/lock.h:24 [inline] do_perf_trace_lock_acquire include/trace/events/lock.h:24 [inline] perf_trace_lock_acquire+0xcb/0x410 include/trace/events/lock.h:24 __do_trace_lock_acquire include/trace/events/lock.h:24 [inline] trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x311/0x360 kernel/locking/lockdep.c:5831 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1169 [inline] unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559 __call_rcu_common kernel/rcu/tree.c:3123 [inline] call_rcu+0x157/0x9c0 kernel/rcu/tree.c:3243 refdst_drop include/net/dst.h:266 [inline] skb_dst_drop include/net/dst.h:278 [inline] __dev_queue_xmit+0x85c/0x3b50 net/core/dev.c:4718 dev_queue_xmit include/linux/netdevice.h:3365 [inline] neigh_hh_output include/net/neighbour.h:531 [inline] neigh_output include/net/neighbour.h:545 [inline] ip6_finish_output2+0xf70/0x1480 net/ipv6/ip6_output.c:136 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247 NF_HOOK include/linux/netfilter.h:318 [inline] ndisc_send_skb+0xbce/0x1510 net/ipv6/ndisc.c:512 addrconf_rs_timer+0x369/0x670 net/ipv6/addrconf.c:4037 call_timer_fn+0x17b/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1798 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x61a/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x283/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5945 Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 d9 59 48 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc9000eb17298 EFLAGS: 00000206 RAX: deb4ff900974fe00 RBX: 0000000000000000 RCX: deb4ff900974fe00 RDX: 0000000000000000 RSI: ffffffff8d9cc7a6 RDI: ffffffff8bc060e0 RBP: 00000000ffffffff R08: ffffffff8f9db437 R09: 1ffffffff1f3b686 R10: dffffc0000000000 R11: fffffbfff1f3b687 R12: 0000000000000246 R13: ffff8880244d8000 R14: ffffffff8e13b2c0 R15: 0000000000000007 lock_is_held include/linux/lockdep.h:249 [inline] schedule_debug kernel/sched/core.c:5905 [inline] __schedule+0x241/0x4cc0 kernel/sched/core.c:6806 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:PagePoisoned include/linux/page-flags.h:335 [inline] RIP: 0010:PageReserved include/linux/page-flags.h:575 [inline] RIP: 0010:__text_poke+0x169/0xa10 arch/x86/kernel/alternative.c:2448 Code: 00 48 8b 1d 89 d0 38 0c 4c 89 e7 e8 11 7a 0d 00 49 89 c7 49 c1 ef 06 49 83 e7 c0 49 01 df 4d 89 fe 49 c1 ee 03 43 80 3c 2e 00 <74> 08 4c 89 ff e8 5d c2 bd 00 49 8b 1f 48 c7 c7 ff ff ff ff 48 89 RSP: 0018:ffffc9000eb17660 EFLAGS: 00000246 RAX: 00000000019c7389 RBX: ffffea0000000000 RCX: 0000000000080000 RDX: ffffc9000d26e000 RSI: 0000000000003a08 RDI: 0000000000003a09 RBP: ffffc9000eb177b0 R08: ffffffff8f9db437 R09: 1ffffffff1f3b686 R10: dffffc0000000000 R11: fffffbfff1f3b687 R12: ffffffff819c7389 R13: dffffc0000000000 R14: 1ffffd400000ce38 R15: ffffea00000671c0 text_poke arch/x86/kernel/alternative.c:2552 [inline] smp_text_poke_batch_finish+0xd0f/0x1130 arch/x86/kernel/alternative.c:2941 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x128/0x250 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x994/0xa10 kernel/tracepoint.c:315 tracepoint_probe_register_prio kernel/tracepoint.c:464 [inline] tracepoint_probe_register+0x5d/0x90 kernel/tracepoint.c:484 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x4e1/0x9d0 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x23d/0x2d0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x120 kernel/events/core.c:10872 perf_try_init_event+0x17c/0x870 kernel/events/core.c:12605 perf_init_event kernel/events/core.c:12703 [inline] perf_event_alloc+0x133e/0x2be0 kernel/events/core.c:12978 __do_sys_perf_event_open kernel/events/core.c:13496 [inline] __se_sys_perf_event_open+0x772/0x1d70 kernel/events/core.c:13377 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c3cd8eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6c3db9a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f6c3cfe6090 RCX: 00007f6c3cd8eec9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000040 RBP: 00007f6c3ce11f91 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6c3cfe6128 R14: 00007f6c3cfe6090 R15: 00007ffce614b3b8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6231 Comm: syz.3.85 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:139 [inline] RIP: 0010:wrmsrq arch/x86/include/asm/msr.h:199 [inline] RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:212 Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 40 f0 d8 09 cc f3 0f 1e fa 89 f6 31 d2 e9 c2 1e 57 03 66 RSP: 0018:ffffc90000a08268 EFLAGS: 00000046 RAX: 00000000000001af RBX: ffff8880b8723900 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 00000000000001af RDI: 0000000000000838 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81ad1665 R10: 0000000000000003 R11: ffffffff816ff550 R12: 0000000010005235 R13: dffffc0000000000 R14: 00000000000001af R15: 0000000000000020 FS: 00007faddd9a16c0(0000) GS:ffff888125e27000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf31b9eb00 CR3: 000000007d6be000 CR4: 00000000003526f0 Call Trace: apic_write arch/x86/include/asm/apic.h:409 [inline] lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:416 clockevents_program_event+0x1cf/0x360 kernel/time/clockevents.c:334 hrtimer_interrupt+0x620/0xaa0 kernel/time/hrtimer.c:1916 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline] __sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1058 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_get_return_address+0x68/0x90 arch/x86/kernel/unwind_orc.c:370 Code: 89 df e8 8b 1b b2 00 48 8b 3b e8 a3 d1 18 00 85 c0 74 14 43 80 3c 37 00 74 08 48 89 df e8 70 1b b2 00 48 8b 03 eb 02 31 c0 5b <41> 5e 41 5f c3 cc cc cc cc cc 89 d9 80 e1 07 80 c1 03 38 c1 7c a8 RSP: 0018:ffffc90000a084d0 EFLAGS: 00000246 RAX: ffffffff810014ca RBX: ffffc90000a085a0 RCX: 2fc2b1725a76f700 RDX: 0000000000000001 RSI: ffffffff8d9cc7a6 RDI: ffffffff810014ca RBP: ffffc90000a08570 R08: ffffc9000ba8e898 R09: 0000000000000000 R10: ffffc90000a08538 R11: fffff520001410a9 R12: ffff8880244dbc80 R13: 00000000000000f0 R14: dffffc0000000000 R15: 1ffff920001410a6 arch_stack_walk+0xfc/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 unpoison_slab_object mm/kasan/common.c:342 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:368 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4946 [inline] slab_alloc_node mm/slub.c:5245 [inline] kmem_cache_alloc_node_noprof+0x433/0x710 mm/slub.c:5297 __alloc_skb+0x112/0x2d0 net/core/skbuff.c:660 __netdev_alloc_skb+0x108/0x970 net/core/skbuff.c:734 netdev_alloc_skb include/linux/skbuff.h:3484 [inline] dev_alloc_skb include/linux/skbuff.h:3497 [inline] __ieee80211_beacon_get+0xc06/0x1880 net/mac80211/tx.c:5652 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5774 ieee80211_beacon_get include/net/mac80211.h:5667 [inline] mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2355 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2389 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x283/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:strlen+0x45/0x70 lib/string.c:420 Code: df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 75 de eb 19 89 d9 <80> e1 07 38 c1 7c e6 49 89 fc 48 89 df e8 59 d9 e1 f6 4c 89 e7 eb RSP: 0018:ffffc9000ba8e958 EFLAGS: 00000206 RAX: 0000000000000006 RBX: ffffffff8b6bd78a RCX: 000000008b6bd78a RDX: 0000000000000000 RSI: ffffffff8e13b260 RDI: ffffffff8b6bd780 RBP: ffffc9000ba8ea78 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc9000ba8ec58 R11: ffffffff81ab4d30 R12: 1ffff92001751d38 R13: ffffffff8e13b260 R14: dffffc0000000000 R15: 0000000000000009 __fortify_strlen include/linux/fortify-string.h:268 [inline] trace_event_get_offsets_lock_acquire include/trace/events/lock.h:24 [inline] do_perf_trace_lock_acquire include/trace/events/lock.h:24 [inline] perf_trace_lock_acquire+0xcb/0x410 include/trace/events/lock.h:24 __do_trace_lock_acquire include/trace/events/lock.h:24 [inline] trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x311/0x360 kernel/locking/lockdep.c:5831 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1169 [inline] unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559 __call_rcu_common kernel/rcu/tree.c:3123 [inline] call_rcu+0x157/0x9c0 kernel/rcu/tree.c:3243 context_switch kernel/sched/core.c:5328 [inline] __schedule+0x17a0/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:depot_fetch_stack+0x48/0xa0 lib/stackdepot.c:506 Code: 74 16 48 c7 c7 c8 29 89 8e be ff ff ff ff e8 df 09 80 06 83 f8 01 74 2c 44 39 f5 73 30 48 8b 05 16 0f 08 15 89 e9 48 8b 04 c8 <48> 85 c0 74 43 c1 eb 0d 81 e3 f0 3f 00 00 83 7c 18 1c 00 74 39 48 RSP: 0018:ffffc9000ba8f478 EFLAGS: 00000293 RAX: ffff888033b48000 RBX: 00000000078401d8 RCX: 00000000000001d7 RDX: ffffc9000c66b000 RSI: ffffffff8d9cc7a6 RDI: ffffffff8bc060e0 RBP: 00000000000001d7 R08: ffff88801ba2da37 R09: 1ffff11003745b46 R10: dffffc0000000000 R11: ffffed1003745b47 R12: 0000000000000003 R13: 0000000000000000 R14: 00000000000002f8 R15: 0000002a0eab7a98 dec_stack_record_count mm/page_owner.c:222 [inline] __reset_page_owner+0xd0/0x1f0 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906 discard_slab mm/slub.c:3301 [inline] __put_partials+0x146/0x170 mm/slub.c:3848 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3923 __slab_free+0x2b9/0x390 mm/slub.c:5882 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:352 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4946 [inline] slab_alloc_node mm/slub.c:5245 [inline] kmem_cache_alloc_noprof+0x367/0x6e0 mm/slub.c:5252 __kernfs_new_node+0xd7/0x7e0 fs/kernfs/dir.c:637 kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:713 __kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1057 sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313 sysfs_merge_group+0x177/0x310 fs/sysfs/group.c:376 dpm_sysfs_add+0xd2/0x270 drivers/base/power/sysfs.c:704 device_add+0x4d8/0xb50 drivers/base/core.c:3649 netdev_register_kobject+0x178/0x310 net/core/net-sysfs.c:2358 register_netdevice+0x126c/0x1ae0 net/core/dev.c:11294 tun_set_iff+0x844/0xf00 drivers/net/tun.c:2807 __tun_chr_ioctl+0x788/0x1df0 drivers/net/tun.c:3088 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faddcb8eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faddd9a1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007faddcde5fa0 RCX: 00007faddcb8eec9 RDX: 0000200000000000 RSI: 00000000400454ca RDI: 000000000000000c RBP: 00007faddcc11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faddcde6038 R14: 00007faddcde5fa0 R15: 00007fff31bdd548