vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 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+0x63/0xcd RIP: 0033:0x7f5f0df6d367 ================================ WARNING: inconsistent lock state 6.0.0-rc7-syzkaller-00911-gbce2b0539933 #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.5/29380 [HC0[0]:SC1[1]:HE0:SE0] takes: ffffffff87b85858 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff87b85858 (vmap_area_lock){+.?.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1836 {SOFTIRQ-ON-W} state was registered at: lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] alloc_vmap_area+0xa0b/0x1d50 mm/vmalloc.c:1617 __get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2484 get_vm_area_caller+0x43/0x50 mm/vmalloc.c:2537 __ioremap_caller.constprop.0+0x292/0x600 arch/x86/mm/ioremap.c:280 acpi_os_ioremap include/acpi/acpi_io.h:13 [inline] acpi_map drivers/acpi/osl.c:296 [inline] acpi_os_map_iomem+0x463/0x550 drivers/acpi/osl.c:355 acpi_tb_acquire_table+0xd8/0x209 drivers/acpi/acpica/tbdata.c:142 acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:317 [inline] acpi_tb_validate_table+0x50/0x8c drivers/acpi/acpica/tbdata.c:308 acpi_tb_verify_temp_table+0x84/0x674 drivers/acpi/acpica/tbdata.c:504 acpi_reallocate_root_table+0x374/0x3e0 drivers/acpi/acpica/tbxface.c:180 acpi_early_init+0x13a/0x438 drivers/acpi/bus.c:1214 start_kernel+0x3cf/0x48f init/main.c:1099 secondary_startup_64_no_verify+0xce/0xdb irq event stamp: 329 hardirqs last enabled at (328): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (328): [] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (329): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (329): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (0): [] copy_process+0x1fdf/0x6dd0 kernel/fork.c:2199 softirqs last disabled at (325): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (325): [] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(vmap_area_lock); lock(vmap_area_lock); *** DEADLOCK *** 7 locks held by syz-executor.5/29380: #0: ffffffff88573c68 (udc_lock){+.+.}-{3:3}, at: usb_gadget_register_driver_owner+0x123/0x1e0 drivers/usb/gadget/udc/core.c:1567 #1: ffffffff87a841a0 (console_lock){+.+.}-{0:0}, at: vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 #2: ffffc90000188d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline] #2: ffffc90000188d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 kernel/time/timer.c:1464 #3: ffff888109abf230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:430 [inline] #3: ffff888109abf230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x6c/0xa0 drivers/input/input.c:423 #4: ffffffff87a950a0 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:858 #5: ffffffff87eb99d8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] #5: ffffffff87eb99d8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x86/0x1790 drivers/tty/vt/keyboard.c:1537 #6: ffffffff87a950a0 (rcu_read_lock){....}-{1:2}, at: show_state_filter+0x0/0x300 kernel/sched/core.c:8832 stack backtrace: CPU: 1 PID: 29380 Comm: syz-executor.5 Not tainted 6.0.0-rc7-syzkaller-00911-gbce2b0539933 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_usage_bug kernel/locking/lockdep.c:3961 [inline] valid_state kernel/locking/lockdep.c:3973 [inline] mark_lock_irq kernel/locking/lockdep.c:4176 [inline] mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632 mark_lock kernel/locking/lockdep.c:4596 [inline] mark_usage kernel/locking/lockdep.c:4527 [inline] __lock_acquire+0x11d9/0x56d0 kernel/locking/lockdep.c:5007 lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] find_vmap_area+0x1c/0x130 mm/vmalloc.c:1836 check_heap_object mm/usercopy.c:176 [inline] __check_object_size mm/usercopy.c:250 [inline] __check_object_size+0x1f8/0x700 mm/usercopy.c:212 check_object_size include/linux/thread_info.h:199 [inline] __copy_from_user_inatomic include/linux/uaccess.h:62 [inline] copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline] copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31 copy_code arch/x86/kernel/dumpstack.c:91 [inline] show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121 show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149 __show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74 show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292 sched_show_task kernel/sched/core.c:8870 [inline] sched_show_task+0x44c/0x5c0 kernel/sched/core.c:8844 show_state_filter+0x13e/0x300 kernel/sched/core.c:8915 k_spec drivers/tty/vt/keyboard.c:667 [inline] k_spec+0xe1/0x130 drivers/tty/vt/keyboard.c:656 kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline] kbd_event+0xcdd/0x1790 drivers/tty/vt/keyboard.c:1543 input_to_handler+0x3b9/0x4c0 drivers/input/input.c:130 input_pass_values.part.0+0x230/0x710 drivers/input/input.c:159 input_pass_values drivers/input/input.c:146 [inline] input_event_dispose+0x5cf/0x730 drivers/input/input.c:374 input_handle_event+0x112/0xda0 drivers/input/input.c:402 input_event drivers/input/input.c:431 [inline] input_event+0x7f/0xa0 drivers/input/input.c:423 input_sync include/linux/input.h:450 [inline] hidinput_report_event+0xae/0x100 drivers/hid/hid-input.c:1655 hid_report_raw_event+0x3e6/0x1280 drivers/hid/hid-core.c:2005 hid_input_report+0x360/0x4c0 drivers/hid/hid-core.c:2065 hid_irq_in+0x50e/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1c0/0x9a9 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 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:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200 Code: 48 89 ef 5d e9 e1 51 33 00 5d be 03 00 00 00 e9 76 11 d0 00 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 a9 62 bc 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0018:ffffc90002a1faa0 EFLAGS: 00000216 RAX: 000000000000657c RBX: 0000000000000000 RCX: ffffc900044ce000 RDX: 0000000000040000 RSI: ffffffff812c58d5 RDI: 0000000000000007 RBP: ffffc90002a1fc48 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff8b90ab20 R14: 0000000000000200 R15: ffffffff87eceeb8 console_emit_next_record.constprop.0+0x4fb/0x840 arch/x86/include/asm/irqflags.h:45 console_flush_all kernel/printk/printk.c:2794 [inline] console_unlock+0x37a/0x5a0 kernel/printk/printk.c:2861 vprintk_emit+0x1b9/0x5f0 kernel/printk/printk.c:2271 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2292 usb_gadget_register_driver_owner.cold+0x58/0xd0 drivers/usb/gadget/udc/core.c:1570 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:546 [inline] raw_ioctl+0x18c4/0x2740 drivers/usb/gadget/legacy/raw_gadget.c:1253 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 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+0x63/0xcd RIP: 0033:0x7f5f0df6d367 Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 f4 57 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5f0d6bf098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5f0d6c0110 RCX: 00007f5f0df6d367 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000007 RBP: 0000000000000007 R08: 000000000000ffff R09: 000000000000000b R10: 00007f5f0d6bf140 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020001440 R14: 0000000020000100 R15: 0000000000001938 Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 f4 57 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5f0d6bf098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5f0d6c0110 RCX: 00007f5f0df6d367 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000007 RBP: 0000000000000007 R08: 000000000000ffff R09: 000000000000000b R10: 00007f5f0d6bf140 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020001440 R14: 0000000020000100 R15: 0000000000001938 task:syz-executor.2 state:S stack:28512 pid:29362 ppid: 1311 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x197/0x690 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1236 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1254 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+0x63/0xcd RIP: 0033:0x7f042c3262d1 RSP: 002b:00007ffe4cda36e0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f042c3262d1 RDX: 00007ffe4cda3720 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 000000008cb60b30 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001bce1e R13: 00007ffe4cda3830 R14: 00007f042c422f80 R15: 000000000000015e task:syz-executor.2 state:S stack:28512 pid:29363 ppid: 1311 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x28e/0x680 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 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+0x63/0xcd RIP: 0033:0x7f042c3015a9 RSP: 002b:00007f042ba76218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f042c422f88 RCX: 00007f042c3015a9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f042c422f88 RBP: 00007f042c422f80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f042c422f8c R13: 00007ffe4cda36cf R14: 00007f042ba76300 R15: 0000000000022000 task:dhcpcd-run-hook state:S stack:28344 pid:29368 ppid: 1217 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 pipe_read+0xa08/0xf90 fs/pipe.c:378 call_read_iter include/linux/fs.h:2181 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x7f6/0x930 fs/read_write.c:470 ksys_read+0x1e8/0x250 fs/read_write.c:607 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+0x63/0xcd RIP: 0033:0x7fb6c6b8d8fe RSP: 002b:00007ffff874c278 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb6c6b8d8fe RDX: 0000000000000080 RSI: 00007ffff874c338 RDI: 0000000000000003 RBP: 00007ffff874c338 R08: 0000000000000000 R09: 00005587aeed1ff0 R10: 00007fb6c6a01ad0 R11: 0000000000000246 R12: 0000000000000080 R13: 00007fb6c6a01788 R14: 0000000000000024 R15: 0000000000000005 task:syz-executor.4 state:S stack:28752 pid:29370 ppid: 1316 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x28e/0x680 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 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+0x63/0xcd RIP: 0033:0x7f6e3f30e5a9 RSP: 002b:00007ffc8dde3c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f6e3f42ff8c RCX: 00007f6e3f30e5a9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6e3f42ff8c RBP: 00007f6e3f42ff80 R08: 00007ffc8ddec080 R09: 0000000000000000 R10: 00007ffc8dde3d70 R11: 0000000000000246 R12: 00000000001bcf0c R13: 00007ffc8dde3d70 R14: 00007ffc8dde3d90 R15: 0000000000000bea task:syz-executor.4 state:S stack:29088 pid:29372 ppid: 1316 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 ___down_common kernel/locking/semaphore.c:225 [inline] __down_common+0x341/0x780 kernel/locking/semaphore.c:246 down_interruptible+0x7b/0xa0 kernel/locking/semaphore.c:87 raw_event_queue_fetch drivers/usb/gadget/legacy/raw_gadget.c:99 [inline] raw_ioctl_event_fetch drivers/usb/gadget/legacy/raw_gadget.c:588 [inline] raw_ioctl+0x100b/0x2740 drivers/usb/gadget/legacy/raw_gadget.c:1256 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 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+0x63/0xcd RIP: 0033:0x7f6e3f30e367 RSP: 002b:00007f6e3ea81098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6e3ea82110 RCX: 00007f6e3f30e367 RDX: 00007f6e3ea82110 RSI: 0000000080085502 RDI: 0000000000000004 RBP: 0000000000000004 R08: 000000000000ffff R09: 000000000000000b R10: 00007f6e3ea81140 R11: 0000000000000246 R12: 0000000800000000 R13: 0000000020000180 R14: 0000000020000700 R15: 00007f6e3f375365 task:dhcpcd-run-hook state:R running task stack:28864 pid:29378 ppid: 29368 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 do_wait+0x6f4/0xce0 kernel/exit.c:1537 kernel_wait4+0x14c/0x260 kernel/exit.c:1681 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1709 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+0x63/0xcd RIP: 0033:0x7fb6c6b6ae16 RSP: 002b:00007ffff874bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb6c6b6ae16 RDX: 0000000000000000 RSI: 00007ffff874bc9c RDI: 00000000ffffffff RBP: 00005587aeecab10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00005587aeec9910 R14: 00007fb6c6d29460 R15: 0000000000000000 INFO: lockdep is turned off. cdc_wdm 1-1:1.0: unknown notification 61 received: index 46970 len 38478 ---------------- Code disassembly (best guess): 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: e9 e1 51 33 00 jmpq 0x3351ea 9: 5d pop %rbp a: be 03 00 00 00 mov $0x3,%esi f: e9 76 11 d0 00 jmpq 0xd0118a 14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 1a: 48 8b be a8 01 00 00 mov 0x1a8(%rsi),%rdi 21: e8 b4 ff ff ff callq 0xffffffda 26: 31 c0 xor %eax,%eax 28: c3 retq 29: 90 nop * 2a: 65 8b 05 a9 62 bc 7e mov %gs:0x7ebc62a9(%rip),%eax # 0x7ebc62da <-- trapping instruction 31: 89 c1 mov %eax,%ecx 33: 48 8b 34 24 mov (%rsp),%rsi 37: 81 e1 00 01 00 00 and $0x100,%ecx 3d: 65 gs 3e: 48 rex.W 3f: 8b .byte 0x8b