================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 11294 is out of range for type 'const int[34]'
CPU: 1 PID: 289 Comm: syz-executor 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: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:1675
usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1758
dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1766
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:on_stack arch/x86/include/asm/stacktrace.h:55 [inline]
RIP: 0010:update_stack_state+0x185/0x490 arch/x86/kernel/unwind_frame.c:228
Code: 8b 74 24 28 4c 89 f7 4c 89 e2 48 8b 8d 68 ff ff ff e8 ef ba f7 ff 85 c0 0f 85 35 01 00 00 48 8b 85 50 ff ff ff 42 80 3c 28 00 <74> 08 4c 89 ff e8 e1 45 81 00 4c 89 fb 4d 8b 37 48 8b 85 58 ff ff
RSP: 0018:ffffc9000dadef08 EFLAGS: 00000246
RAX: 1ffff92001b5be06 RBX: ffffc9000dadf028 RCX: 1ffff92001b5be07
RDX: 1ffff92001b5be08 RSI: 1ffff92001b5be06 RDI: ffffc9000dadf080
RBP: ffffc9000dadefb8 R08: ffffc9000dadf0f0 R09: ffffc9000dadf0e8
R10: 0000000000000004 R11: fffff52001b5be11 R12: ffffc9000dadf028
R13: dffffc0000000000 R14: ffffc9000dadf490 R15: ffffc9000dadf030
unwind_next_frame+0x39e/0x660 arch/x86/kernel/unwind_frame.c:315
arch_stack_walk+0x124/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
__kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:334
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3382 [inline]
kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
alloc_vmap_area+0x184/0x18c0 mm/vmalloc.c:1628
__get_vm_area_node+0x160/0x360 mm/vmalloc.c:2522
__vmalloc_node_range+0x326/0x1440 mm/vmalloc.c:3216
__vmalloc_node mm/vmalloc.c:3321 [inline]
vzalloc+0x78/0x90 mm/vmalloc.c:3394
alloc_counters+0x66/0x520 net/ipv4/netfilter/ip_tables.c:801
copy_entries_to_user net/ipv4/netfilter/ip_tables.c:823 [inline]
get_entries net/ipv4/netfilter/ip_tables.c:1024 [inline]
do_ipt_get_ctl+0xa7d/0x1190 net/ipv4/netfilter/ip_tables.c:1670
nf_getsockopt+0x27f/0x2a0 net/netfilter/nf_sockopt.c:116
ip_getsockopt+0x157/0x1e0 net/ipv4/ip_sockglue.c:1826
tcp_getsockopt+0xff/0x130 net/ipv4/tcp.c:4463
sock_common_getsockopt+0xaa/0xc0 net/core/sock.c:3680
__sys_getsockopt+0x215/0x490 net/socket.c:2321
__do_sys_getsockopt net/socket.c:2336 [inline]
__se_sys_getsockopt net/socket.c:2333 [inline]
__x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2333
x64_sys_call+0x3d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:56
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: 0033:0x7fccadd9e62a
Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7
RSP: 002b:00007ffeeae82b98 EFLAGS: 00000202 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffeeae82c20 RCX: 00007fccadd9e62a
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffeeae82bbc R09: 0000000000000000
R10: 00007ffeeae82c20 R11: 0000000000000202 R12: 00007fccadfec400
R13: 00007ffeeae82bbc R14: 0000000000000000 R15: 00007fccadfed180
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 11295 is out of range for type 'const int[34]'
CPU: 1 PID: 289 Comm: syz-executor 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: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:1675
usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1758
dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1766
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:on_stack arch/x86/include/asm/stacktrace.h:55 [inline]
RIP: 0010:update_stack_state+0x185/0x490 arch/x86/kernel/unwind_frame.c:228
Code: 8b 74 24 28 4c 89 f7 4c 89 e2 48 8b 8d 68 ff ff ff e8 ef ba f7 ff 85 c0 0f 85 35 01 00 00 48 8b 85 50 ff ff ff 42 80 3c 28 00 <74> 08 4c 89 ff e8 e1 45 81 00 4c 89 fb 4d 8b 37 48 8b 85 58 ff ff
RSP: 0018:ffffc9000dadef08 EFLAGS: 00000246
RAX: 1ffff92001b5be06 RBX: ffffc9000dadf028 RCX: 1ffff92001b5be07
RDX: 1ffff92001b5be08 RSI: 1ffff92001b5be06 RDI: ffffc9000dadf080
RBP: ffffc9000dadefb8 R08: ffffc9000dadf0f0 R09: ffffc9000dadf0e8
R10: 0000000000000004 R11: fffff52001b5be11 R12: ffffc9000dadf028
R13: dffffc0000000000 R14: ffffc9000dadf490 R15: ffffc9000dadf030
unwind_next_frame+0x39e/0x660 arch/x86/kernel/unwind_frame.c:315
arch_stack_walk+0x124/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
__kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:334
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3382 [inline]
kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
alloc_vmap_area+0x184/0x18c0 mm/vmalloc.c:1628
__get_vm_area_node+0x160/0x360 mm/vmalloc.c:2522
__vmalloc_node_range+0x326/0x1440 mm/vmalloc.c:3216
__vmalloc_node mm/vmalloc.c:3321 [inline]
vzalloc+0x78/0x90 mm/vmalloc.c:3394
alloc_counters+0x66/0x520 net/ipv4/netfilter/ip_tables.c:801
copy_entries_to_user net/ipv4/netfilter/ip_tables.c:823 [inline]
get_entries net/ipv4/netfilter/ip_tables.c:1024 [inline]
do_ipt_get_ctl+0xa7d/0x1190 net/ipv4/netfilter/ip_tables.c:1670
nf_getsockopt+0x27f/0x2a0 net/netfilter/nf_sockopt.c:116
ip_getsockopt+0x157/0x1e0 net/ipv4/ip_sockglue.c:1826
tcp_getsockopt+0xff/0x130 net/ipv4/tcp.c:4463
sock_common_getsockopt+0xaa/0xc0 net/core/sock.c:3680
__sys_getsockopt+0x215/0x490 net/socket.c:2321
__do_sys_getsockopt net/socket.c:2336 [inline]
__se_sys_getsockopt net/socket.c:2333 [inline]
__x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2333
x64_sys_call+0x3d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:56
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: 0033:0x7fccadd9e62a
Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7
RSP: 002b:00007ffeeae82b98 EFLAGS: 00000202 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffeeae82c20 RCX: 00007fccadd9e62a
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffeeae82bbc R09: 0000000000000000
R10: 00007ffeeae82c20 R11: 0000000000000202 R12: 00007fccadfec400
R13: 00007ffeeae82bbc R14: 0000000000000000 R15: 00007fccadfed180
================================================================================
aiptek 2-1:0.0: aiptek_irq - usb_submit_urb failed with result -19
----------------
Code disassembly (best guess):
0: 8b 74 24 28 mov 0x28(%rsp),%esi
4: 4c 89 f7 mov %r14,%rdi
7: 4c 89 e2 mov %r12,%rdx
a: 48 8b 8d 68 ff ff ff mov -0x98(%rbp),%rcx
11: e8 ef ba f7 ff call 0xfff7bb05
16: 85 c0 test %eax,%eax
18: 0f 85 35 01 00 00 jne 0x153
1e: 48 8b 85 50 ff ff ff mov -0xb0(%rbp),%rax
25: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 4c 89 ff mov %r15,%rdi
2f: e8 e1 45 81 00 call 0x814615
34: 4c 89 fb mov %r15,%rbx
37: 4d 8b 37 mov (%r15),%r14
3a: 48 rex.W
3b: 8b .byte 0x8b
3c: 85 58 ff test %ebx,-0x1(%rax)
3f: ff .byte 0xff