================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 3857 is out of range for type 'const int[34]'
CPU: 0 PID: 418 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
dump_stack+0x15/0x24 lib/dump_stack.c:113
ubsan_epilogue+0xe/0x40 lib/ubsan.c:151
__ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282
aiptek_irq+0x2045/0x29b0 drivers/input/tablet/aiptek.c:741
__usb_hcd_giveback_urb+0x360/0x520 drivers/usb/core/hcd.c:1673
usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1756
dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x398/0x8a0 kernel/time/hrtimer.c:1753
hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1770
handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
__do_softirq kernel/softirq.c:680 [inline]
invoke_softirq kernel/softirq.c:497 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729
irq_exit_rcu+0x9/0x10 kernel/softirq.c:741
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x1/0x90 kernel/kcov.c:312
Code: 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 55 <48> 89 e5 48 8b 45 08 65 48 8b 15 70 ff 90 7e 65 8b 0d 71 ff 90 7e
RSP: 0018:ffffc9001000f8c0 EFLAGS: 00000202
RAX: 1ffff11023014000 RBX: 0000000000000041 RCX: ffff888114a4e540
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000200000
RBP: ffffc9001000f970 R08: ffff88811662b577 R09: ffff88811662b568
R10: dffffc0000000000 R11: ffffed1022cc56af R12: dffffc0000000000
R13: ffff8881180a0020 R14: dffffc0000000000 R15: 0000000000000040
path_openat+0x187/0x2f30 fs/namei.c:3785
do_filp_open+0x1ee/0x420 fs/namei.c:3817
do_sys_openat2+0x15e/0x820 fs/open.c:1343
do_sys_open fs/open.c:1359 [inline]
__do_sys_openat fs/open.c:1375 [inline]
__se_sys_openat fs/open.c:1370 [inline]
__x64_sys_openat+0x136/0x160 fs/open.c:1370
x64_sys_call+0x783/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f33f9ca7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd72cb5690 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f33fa353880 RCX: 00007f33f9ca7407
RDX: 0000000000080000 RSI: 00007ffd72cb5810 RDI: ffffffffffffff9c
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055e8b19307f5
R13: 000055e8b19307f5 R14: 0000000000000001 R15: 000055e8b1937bcc
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 3858 is out of range for type 'const int[34]'
CPU: 0 PID: 418 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
dump_stack+0x15/0x24 lib/dump_stack.c:113
ubsan_epilogue+0xe/0x40 lib/ubsan.c:151
__ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282
aiptek_irq+0x1f14/0x29b0 drivers/input/tablet/aiptek.c:763
__usb_hcd_giveback_urb+0x360/0x520 drivers/usb/core/hcd.c:1673
usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1756
dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x398/0x8a0 kernel/time/hrtimer.c:1753
hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1770
handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
__do_softirq kernel/softirq.c:680 [inline]
invoke_softirq kernel/softirq.c:497 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729
irq_exit_rcu+0x9/0x10 kernel/softirq.c:741
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x1/0x90 kernel/kcov.c:312
Code: 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 55 <48> 89 e5 48 8b 45 08 65 48 8b 15 70 ff 90 7e 65 8b 0d 71 ff 90 7e
RSP: 0018:ffffc9001000f8c0 EFLAGS: 00000202
RAX: 1ffff11023014000 RBX: 0000000000000041 RCX: ffff888114a4e540
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000200000
RBP: ffffc9001000f970 R08: ffff88811662b577 R09: ffff88811662b568
R10: dffffc0000000000 R11: ffffed1022cc56af R12: dffffc0000000000
R13: ffff8881180a0020 R14: dffffc0000000000 R15: 0000000000000040
path_openat+0x187/0x2f30 fs/namei.c:3785
do_filp_open+0x1ee/0x420 fs/namei.c:3817
do_sys_openat2+0x15e/0x820 fs/open.c:1343
do_sys_open fs/open.c:1359 [inline]
__do_sys_openat fs/open.c:1375 [inline]
__se_sys_openat fs/open.c:1370 [inline]
__x64_sys_openat+0x136/0x160 fs/open.c:1370
x64_sys_call+0x783/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f33f9ca7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd72cb5690 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f33fa353880 RCX: 00007f33f9ca7407
RDX: 0000000000080000 RSI: 00007ffd72cb5810 RDI: ffffffffffffff9c
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055e8b19307f5
R13: 000055e8b19307f5 R14: 0000000000000001 R15: 000055e8b1937bcc
================================================================================
aiptek 6-1:0.0: aiptek_irq - usb_submit_urb failed with result -19
----------------
Code disassembly (best guess):
0: 10 48 89 adc %cl,-0x77(%rax)
3: 74 11 je 0x16
5: 18 48 89 sbb %cl,-0x77(%rax)
8: 44 11 20 adc %r12d,(%rax)
b: 5d pop %rbp
c: c3 ret
d: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
14: 00 00 00
17: 66 90 xchg %ax,%ax
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: b8 7d 47 2f 67 mov $0x672f477d,%eax
29: 55 push %rbp
* 2a: 48 89 e5 mov %rsp,%rbp <-- trapping instruction
2d: 48 8b 45 08 mov 0x8(%rbp),%rax
31: 65 48 8b 15 70 ff 90 mov %gs:0x7e90ff70(%rip),%rdx # 0x7e90ffa9
38: 7e
39: 65 8b 0d 71 ff 90 7e mov %gs:0x7e90ff71(%rip),%ecx # 0x7e90ffb1