================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31 index 259 is out of range for type 'const int[34]' CPU: 1 PID: 2581 Comm: syz.1.702 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 ubsan_epilogue+0xe/0x40 lib/ubsan.c:148 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:347 aiptek_irq+0x1fa2/0x2860 drivers/input/tablet/aiptek.c:741 __usb_hcd_giveback_urb+0x32f/0x4f0 drivers/usb/core/hcd.c:1674 usb_hcd_giveback_urb+0x11d/0x3f0 drivers/usb/core/hcd.c:1748 dummy_timer+0xa34/0x31d0 drivers/usb/gadget/udc/dummy_hcd.c:1986 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 expire_timers kernel/time/timer.c:1495 [inline] __run_timers+0x637/0x9a0 kernel/time/timer.c:1789 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802 __do_softirq+0x255/0x563 kernel/softirq.c:309 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:405 [inline] __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:preempt_schedule_irq+0xa5/0x120 kernel/sched/core.c:5067 Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 f1 45 c4 fc fb bf 01 00 00 00 26 e6 ff ff fa bf 01 00 00 00 e8 8b 47 c4 fc 65 48 8b 1d a3 e5 RSP: 0018:ffffc90000b867c0 EFLAGS: 00000246 RAX: 1ffff110217f1636 RBX: ffffc90000b86878 RCX: ffffffff86e80800 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc90000b86838 R08: ffff88810bf8a787 R09: 1ffff110217f14f0 R10: dffffc0000000000 R11: ffffed10217f14f1 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000170cf8 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline] irqentry_exit+0x56/0x60 kernel/entry/common.c:395 sysvec_reschedule_ipi+0x69/0x70 arch/x86/kernel/smp.c:225 asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640 RIP: 0010:_raw_spin_lock_irqsave+0x0/0x130 kernel/locking/spinlock.c:158 Code: 48 75 1d 48 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 89 44 24 20 48 89 df 89 c6 e8 7c 57 ca fc eb bd e8 35 d2 fa ff 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 RSP: 0018:ffffc90000b86920 EFLAGS: 00000246 RAX: ffffffff814286a2 RBX: ffff88810963d11c RCX: 0000000000080000 RDX: ffffc900018cc000 RSI: 000000000007ffff RDI: ffff88810963d11c RBP: ffffc90000b86950 R08: ffff88810bf8a780 R09: 0000000000000003 R10: 0000000000000009 R11: 0000000000000002 R12: ffff88810963d118 R13: dffffc0000000000 R14: ffff8881096606e0 R15: ffff888109660670 loop_queue_rq+0x2b9/0x3a0 drivers/block/loop.c:2048 __blk_mq_issue_directly block/blk-mq.c:2035 [inline] __blk_mq_try_issue_directly+0x396/0x750 block/blk-mq.c:2087 blk_mq_request_issue_directly+0xc2/0x170 block/blk-mq.c:2135 blk_mq_try_issue_list_directly+0x164/0x490 block/blk-mq.c:2153 blk_mq_sched_insert_requests+0x1a2/0x350 block/blk-mq-sched.c:503 blk_mq_flush_plug_list+0x4e5/0x6b0 block/blk-mq.c:1992 blk_flush_plug_list+0x404/0x450 block/blk-core.c:1761 blk_finish_plug+0x5d/0x80 block/blk-core.c:1778 ext4_writepages+0x2348/0x2f00 fs/ext4/inode.c:2926 do_writepages+0x12e/0x280 mm/page-writeback.c:2380 __filemap_fdatawrite_range+0x2a0/0x350 mm/filemap.c:427 file_write_and_wait_range+0x8c/0x110 mm/filemap.c:766 ext4_sync_file+0x1ad/0xa20 fs/ext4/fsync.c:151 vfs_fsync_range+0x171/0x180 fs/sync.c:202 generic_write_sync include/linux/fs.h:2920 [inline] ext4_buffered_write_iter+0x576/0x620 fs/ext4/file.c:278 ext4_file_write_iter+0x49a/0x19a0 fs/ext4/file.c:-1 do_iter_readv_writev+0x477/0x5f0 fs/read_write.c:-1 do_iter_write+0x175/0x5e0 fs/read_write.c:866 vfs_iter_write+0x7d/0xa0 fs/read_write.c:907 iter_file_splice_write+0x6b1/0xce0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe9/0x120 fs/splice.c:936 splice_direct_to_actor+0x4cb/0xb20 fs/splice.c:891 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979 do_sendfile+0x8df/0x1040 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f93a8a23e59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f93a747e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f93a8c9cfa0 RCX: 00007f93a8a23e59 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000009 RBP: 00007f93a8ab9d6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000007fffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93a8c9d038 R14: 00007f93a8c9cfa0 R15: 00007ffd1e38b158 ================================================================================ ================================================================== BUG: KASAN: global-out-of-bounds in aiptek_irq+0x1fc0/0x2860 drivers/input/tablet/aiptek.c:741 Read of size 4 at addr ffffffff855adaec by task syz.1.702/2581 CPU: 1 PID: 2581 Comm: syz.1.702 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 aiptek_irq+0x1fc0/0x2860 drivers/input/tablet/aiptek.c:741 __usb_hcd_giveback_urb+0x32f/0x4f0 drivers/usb/core/hcd.c:1674 usb_hcd_giveback_urb+0x11d/0x3f0 drivers/usb/core/hcd.c:1748 dummy_timer+0xa34/0x31d0 drivers/usb/gadget/udc/dummy_hcd.c:1986 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 expire_timers kernel/time/timer.c:1495 [inline] __run_timers+0x637/0x9a0 kernel/time/timer.c:1789 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802 __do_softirq+0x255/0x563 kernel/softirq.c:309 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:405 [inline] __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:preempt_schedule_irq+0xa5/0x120 kernel/sched/core.c:5067 Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 f1 45 c4 fc fb bf 01 00 00 00 26 e6 ff ff fa bf 01 00 00 00 e8 8b 47 c4 fc 65 48 8b 1d a3 e5 RSP: 0018:ffffc90000b867c0 EFLAGS: 00000246 RAX: 1ffff110217f1636 RBX: ffffc90000b86878 RCX: ffffffff86e80800 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc90000b86838 R08: ffff88810bf8a787 R09: 1ffff110217f14f0 R10: dffffc0000000000 R11: ffffed10217f14f1 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000170cf8 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline] irqentry_exit+0x56/0x60 kernel/entry/common.c:395 sysvec_reschedule_ipi+0x69/0x70 arch/x86/kernel/smp.c:225 asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640 RIP: 0010:_raw_spin_lock_irqsave+0x0/0x130 kernel/locking/spinlock.c:158 Code: 48 75 1d 48 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 89 44 24 20 48 89 df 89 c6 e8 7c 57 ca fc eb bd e8 35 d2 fa ff 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 RSP: 0018:ffffc90000b86920 EFLAGS: 00000246 RAX: ffffffff814286a2 RBX: ffff88810963d11c RCX: 0000000000080000 RDX: ffffc900018cc000 RSI: 000000000007ffff RDI: ffff88810963d11c RBP: ffffc90000b86950 R08: ffff88810bf8a780 R09: 0000000000000003 R10: 0000000000000009 R11: 0000000000000002 R12: ffff88810963d118 R13: dffffc0000000000 R14: ffff8881096606e0 R15: ffff888109660670 loop_queue_rq+0x2b9/0x3a0 drivers/block/loop.c:2048 __blk_mq_issue_directly block/blk-mq.c:2035 [inline] __blk_mq_try_issue_directly+0x396/0x750 block/blk-mq.c:2087 blk_mq_request_issue_directly+0xc2/0x170 block/blk-mq.c:2135 blk_mq_try_issue_list_directly+0x164/0x490 block/blk-mq.c:2153 blk_mq_sched_insert_requests+0x1a2/0x350 block/blk-mq-sched.c:503 blk_mq_flush_plug_list+0x4e5/0x6b0 block/blk-mq.c:1992 blk_flush_plug_list+0x404/0x450 block/blk-core.c:1761 blk_finish_plug+0x5d/0x80 block/blk-core.c:1778 ext4_writepages+0x2348/0x2f00 fs/ext4/inode.c:2926 do_writepages+0x12e/0x280 mm/page-writeback.c:2380 __filemap_fdatawrite_range+0x2a0/0x350 mm/filemap.c:427 file_write_and_wait_range+0x8c/0x110 mm/filemap.c:766 ext4_sync_file+0x1ad/0xa20 fs/ext4/fsync.c:151 vfs_fsync_range+0x171/0x180 fs/sync.c:202 generic_write_sync include/linux/fs.h:2920 [inline] ext4_buffered_write_iter+0x576/0x620 fs/ext4/file.c:278 ext4_file_write_iter+0x49a/0x19a0 fs/ext4/file.c:-1 do_iter_readv_writev+0x477/0x5f0 fs/read_write.c:-1 do_iter_write+0x175/0x5e0 fs/read_write.c:866 vfs_iter_write+0x7d/0xa0 fs/read_write.c:907 iter_file_splice_write+0x6b1/0xce0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe9/0x120 fs/splice.c:936 splice_direct_to_actor+0x4cb/0xb20 fs/splice.c:891 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979 do_sendfile+0x8df/0x1040 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f93a8a23e59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f93a747e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f93a8c9cfa0 RCX: 00007f93a8a23e59 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000009 RBP: 00007f93a8ab9d6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000007fffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93a8c9d038 R14: 00007f93a8c9cfa0 R15: 00007ffd1e38b158 The buggy address belongs to the variable: .str.21+0xc/0x20 Memory state around the buggy address: ffffffff855ad980: f9 f9 f9 f9 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 ffffffff855ada00: 00 02 f9 f9 00 00 00 00 00 03 f9 f9 f9 f9 f9 f9 >ffffffff855ada80: 05 f9 f9 f9 07 f9 f9 f9 00 05 f9 f9 04 f9 f9 f9 ^ ffffffff855adb00: 00 f9 f9 f9 07 f9 f9 f9 06 f9 f9 f9 07 f9 f9 f9 ffffffff855adb80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 ================================================================== ================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30 index 260 is out of range for type 'const int[34]' CPU: 1 PID: 2581 Comm: syz.1.702 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 ubsan_epilogue+0xe/0x40 lib/ubsan.c:148 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:347 aiptek_irq+0x1e71/0x2860 drivers/input/tablet/aiptek.c:763 __usb_hcd_giveback_urb+0x32f/0x4f0 drivers/usb/core/hcd.c:1674 usb_hcd_giveback_urb+0x11d/0x3f0 drivers/usb/core/hcd.c:1748 dummy_timer+0xa34/0x31d0 drivers/usb/gadget/udc/dummy_hcd.c:1986 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 expire_timers kernel/time/timer.c:1495 [inline] __run_timers+0x637/0x9a0 kernel/time/timer.c:1789 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802 __do_softirq+0x255/0x563 kernel/softirq.c:309 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:405 [inline] __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:preempt_schedule_irq+0xa5/0x120 kernel/sched/core.c:5067 Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 f1 45 c4 fc fb bf 01 00 00 00 26 e6 ff ff fa bf 01 00 00 00 e8 8b 47 c4 fc 65 48 8b 1d a3 e5 RSP: 0018:ffffc90000b867c0 EFLAGS: 00000246 RAX: 1ffff110217f1636 RBX: ffffc90000b86878 RCX: ffffffff86e80800 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc90000b86838 R08: ffff88810bf8a787 R09: 1ffff110217f14f0 R10: dffffc0000000000 R11: ffffed10217f14f1 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000170cf8 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline] irqentry_exit+0x56/0x60 kernel/entry/common.c:395 sysvec_reschedule_ipi+0x69/0x70 arch/x86/kernel/smp.c:225 asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640 RIP: 0010:_raw_spin_lock_irqsave+0x0/0x130 kernel/locking/spinlock.c:158 Code: 48 75 1d 48 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 89 44 24 20 48 89 df 89 c6 e8 7c 57 ca fc eb bd e8 35 d2 fa ff 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 RSP: 0018:ffffc90000b86920 EFLAGS: 00000246 RAX: ffffffff814286a2 RBX: ffff88810963d11c RCX: 0000000000080000 RDX: ffffc900018cc000 RSI: 000000000007ffff RDI: ffff88810963d11c RBP: ffffc90000b86950 R08: ffff88810bf8a780 R09: 0000000000000003 R10: 0000000000000009 R11: 0000000000000002 R12: ffff88810963d118 R13: dffffc0000000000 R14: ffff8881096606e0 R15: ffff888109660670 loop_queue_rq+0x2b9/0x3a0 drivers/block/loop.c:2048 __blk_mq_issue_directly block/blk-mq.c:2035 [inline] __blk_mq_try_issue_directly+0x396/0x750 block/blk-mq.c:2087 blk_mq_request_issue_directly+0xc2/0x170 block/blk-mq.c:2135 blk_mq_try_issue_list_directly+0x164/0x490 block/blk-mq.c:2153 blk_mq_sched_insert_requests+0x1a2/0x350 block/blk-mq-sched.c:503 blk_mq_flush_plug_list+0x4e5/0x6b0 block/blk-mq.c:1992 blk_flush_plug_list+0x404/0x450 block/blk-core.c:1761 blk_finish_plug+0x5d/0x80 block/blk-core.c:1778 ext4_writepages+0x2348/0x2f00 fs/ext4/inode.c:2926 do_writepages+0x12e/0x280 mm/page-writeback.c:2380 __filemap_fdatawrite_range+0x2a0/0x350 mm/filemap.c:427 file_write_and_wait_range+0x8c/0x110 mm/filemap.c:766 ext4_sync_file+0x1ad/0xa20 fs/ext4/fsync.c:151 vfs_fsync_range+0x171/0x180 fs/sync.c:202 generic_write_sync include/linux/fs.h:2920 [inline] ext4_buffered_write_iter+0x576/0x620 fs/ext4/file.c:278 ext4_file_write_iter+0x49a/0x19a0 fs/ext4/file.c:-1 do_iter_readv_writev+0x477/0x5f0 fs/read_write.c:-1 do_iter_write+0x175/0x5e0 fs/read_write.c:866 vfs_iter_write+0x7d/0xa0 fs/read_write.c:907 iter_file_splice_write+0x6b1/0xce0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe9/0x120 fs/splice.c:936 splice_direct_to_actor+0x4cb/0xb20 fs/splice.c:891 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979 do_sendfile+0x8df/0x1040 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f93a8a23e59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f93a747e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f93a8c9cfa0 RCX: 00007f93a8a23e59 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000009 RBP: 00007f93a8ab9d6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000007fffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93a8c9d038 R14: 00007f93a8c9cfa0 R15: 00007ffd1e38b158 ================================================================================ aiptek 8-1:0.0: aiptek_irq - usb_submit_urb failed with result -19 ---------------- Code disassembly (best guess): 0: 44 24 20 rex.R and $0x20,%al 3: 00 02 add %al,(%rdx) 5: 00 00 add %al,(%rax) 7: 43 c6 44 37 04 f8 movb $0xf8,0x4(%r15,%r14,1) d: 74 0b je 0x1a f: 0f 0b ud2 11: 48 f7 03 08 00 00 00 testq $0x8,(%rbx) 18: 74 4d je 0x67 1a: bf 01 00 00 00 mov $0x1,%edi 1f: e8 f1 45 c4 fc call 0xfcc44615 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 26 e6 ff ff call 0xffffe655 <-- trapping instruction 2f: fa cli 30: bf 01 00 00 00 mov $0x1,%edi 35: e8 8b 47 c4 fc call 0xfcc447c5 3a: 65 gs 3b: 48 rex.W 3c: 8b .byte 0x8b 3d: 1d .byte 0x1d 3e: a3 .byte 0xa3 3f: e5 .byte 0xe5