------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 67 is out of range for type 'const int[34]'
CPU: 1 UID: 0 PID: 332 Comm: udevd Not tainted syzkaller #0 0df34d65b0d607a0381efd32d2e78efe3339ed37
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
ubsan_epilogue+0xe/0x40 lib/ubsan.c:231
__ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:429
aiptek_irq+0x208d/0x2a00 drivers/input/tablet/aiptek.c:741
__usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1646
usb_hcd_giveback_urb+0x12b/0x400 drivers/usb/core/hcd.c:1730
dummy_timer+0xa3f/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:2003
__run_hrtimer kernel/time/hrtimer.c:1758 [inline]
__hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822
hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
handle_softirqs+0x1b0/0x5b0 kernel/softirq.c:684
__do_softirq kernel/softirq.c:722 [inline]
invoke_softirq kernel/softirq.c:539 [inline]
__irq_exit_rcu+0x47/0xb0 kernel/softirq.c:771
irq_exit_rcu+0xd/0x30 kernel/softirq.c:783
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_consume_entry+0xda/0x2a0 kernel/stacktrace.c:93
Code: 89 d4 4c 89 45 c8 4d 89 ce 4c 89 55 d0 e8 8e 96 6b 00 4c 8b 55 d0 4d 89 f1 4c 8b 45 c8 4c 89 e2 4c 89 ff 48 8b 75 c0 4c 8b 37 <45> 8d 7a 01 0f b6 04 13 84 c0 0f 85 4a 01 00 00 45 89 38 4f 8d 3c
RSP: 0018:ffffc9000c06f350 EFLAGS: 00000246
RAX: 1ffff9200180de8c RBX: 1ffff9200180de8e RCX: 000000000180de00
RDX: dffffc0000000000 RSI: ffffffff81e3210a RDI: ffffc9000c06f460
RBP: ffffc9000c06f398 R08: ffffc9000c06f470 R09: ffffc9000c06f468
R10: 0000000000000001 R11: ffffffff81779150 R12: ffffc9000c06f46c
R13: 1ffff9200180de8d R14: ffffc9000c06f4f0 R15: 1ffff9200180de8d
arch_stack_walk+0x129/0x170 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:49 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
kasan_save_alloc_info+0x3a/0x50 mm/kasan/generic.c:565
poison_kmalloc_redzone mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x96/0xb0 mm/kasan/common.c:396
kasan_kmalloc include/linux/kasan.h:261 [inline]
__kmalloc_cache_noprof+0x23c/0x470 mm/slub.c:4428
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1117 [inline]
kernfs_fop_open+0x357/0xd50 fs/kernfs/file.c:641
do_dentry_open+0x97c/0x1510 fs/open.c:954
vfs_open+0x86/0x240 fs/open.c:1086
do_open fs/namei.c:3782 [inline]
path_openat+0x2c49/0x35a0 fs/namei.c:3941
do_filp_open+0x1f2/0x440 fs/namei.c:3968
do_sys_openat2+0x134/0x1d0 fs/open.c:1434
do_sys_open fs/open.c:1449 [inline]
__do_sys_openat fs/open.c:1465 [inline]
__se_sys_openat fs/open.c:1460 [inline]
__x64_sys_openat+0x13a/0x170 fs/open.c:1460
x64_sys_call+0xe69/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:258
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f0bc28a7407
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:00007ffdd290cd70 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0bc2fc4880 RCX: 00007f0bc28a7407
RDX: 0000000000080000 RSI: 000055b7b3691f70 RDI: ffffffffffffff9c
RBP: 000055b7b3773300 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdd291d530
R13: 0000000000000003 R14: 000055b78ad7e00c R15: 0000000000000000
---[ end trace ]---
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 68 is out of range for type 'const int[34]'
CPU: 1 UID: 0 PID: 332 Comm: udevd Not tainted syzkaller #0 0df34d65b0d607a0381efd32d2e78efe3339ed37
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
ubsan_epilogue+0xe/0x40 lib/ubsan.c:231
__ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:429
aiptek_irq+0x1f3c/0x2a00 drivers/input/tablet/aiptek.c:763
__usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1646
usb_hcd_giveback_urb+0x12b/0x400 drivers/usb/core/hcd.c:1730
dummy_timer+0xa3f/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:2003
__run_hrtimer kernel/time/hrtimer.c:1758 [inline]
__hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822
hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
handle_softirqs+0x1b0/0x5b0 kernel/softirq.c:684
__do_softirq kernel/softirq.c:722 [inline]
invoke_softirq kernel/softirq.c:539 [inline]
__irq_exit_rcu+0x47/0xb0 kernel/softirq.c:771
irq_exit_rcu+0xd/0x30 kernel/softirq.c:783
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_consume_entry+0xda/0x2a0 kernel/stacktrace.c:93
Code: 89 d4 4c 89 45 c8 4d 89 ce 4c 89 55 d0 e8 8e 96 6b 00 4c 8b 55 d0 4d 89 f1 4c 8b 45 c8 4c 89 e2 4c 89 ff 48 8b 75 c0 4c 8b 37 <45> 8d 7a 01 0f b6 04 13 84 c0 0f 85 4a 01 00 00 45 89 38 4f 8d 3c
RSP: 0018:ffffc9000c06f350 EFLAGS: 00000246
RAX: 1ffff9200180de8c RBX: 1ffff9200180de8e RCX: 000000000180de00
RDX: dffffc0000000000 RSI: ffffffff81e3210a RDI: ffffc9000c06f460
RBP: ffffc9000c06f398 R08: ffffc9000c06f470 R09: ffffc9000c06f468
R10: 0000000000000001 R11: ffffffff81779150 R12: ffffc9000c06f46c
R13: 1ffff9200180de8d R14: ffffc9000c06f4f0 R15: 1ffff9200180de8d
arch_stack_walk+0x129/0x170 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:49 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
kasan_save_alloc_info+0x3a/0x50 mm/kasan/generic.c:565
poison_kmalloc_redzone mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x96/0xb0 mm/kasan/common.c:396
kasan_kmalloc include/linux/kasan.h:261 [inline]
__kmalloc_cache_noprof+0x23c/0x470 mm/slub.c:4428
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1117 [inline]
kernfs_fop_open+0x357/0xd50 fs/kernfs/file.c:641
do_dentry_open+0x97c/0x1510 fs/open.c:954
vfs_open+0x86/0x240 fs/open.c:1086
do_open fs/namei.c:3782 [inline]
path_openat+0x2c49/0x35a0 fs/namei.c:3941
do_filp_open+0x1f2/0x440 fs/namei.c:3968
do_sys_openat2+0x134/0x1d0 fs/open.c:1434
do_sys_open fs/open.c:1449 [inline]
__do_sys_openat fs/open.c:1465 [inline]
__se_sys_openat fs/open.c:1460 [inline]
__x64_sys_openat+0x13a/0x170 fs/open.c:1460
x64_sys_call+0xe69/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:258
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f0bc28a7407
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:00007ffdd290cd70 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0bc2fc4880 RCX: 00007f0bc28a7407
RDX: 0000000000080000 RSI: 000055b7b3691f70 RDI: ffffffffffffff9c
RBP: 000055b7b3773300 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdd291d530
R13: 0000000000000003 R14: 000055b78ad7e00c R15: 0000000000000000
---[ end trace ]---
aiptek 3-1:0.0: aiptek_irq - usb_submit_urb failed with result -19
----------------
Code disassembly (best guess):
0: 89 d4 mov %edx,%esp
2: 4c 89 45 c8 mov %r8,-0x38(%rbp)
6: 4d 89 ce mov %r9,%r14
9: 4c 89 55 d0 mov %r10,-0x30(%rbp)
d: e8 8e 96 6b 00 call 0x6b96a0
12: 4c 8b 55 d0 mov -0x30(%rbp),%r10
16: 4d 89 f1 mov %r14,%r9
19: 4c 8b 45 c8 mov -0x38(%rbp),%r8
1d: 4c 89 e2 mov %r12,%rdx
20: 4c 89 ff mov %r15,%rdi
23: 48 8b 75 c0 mov -0x40(%rbp),%rsi
27: 4c 8b 37 mov (%rdi),%r14
* 2a: 45 8d 7a 01 lea 0x1(%r10),%r15d <-- trapping instruction
2e: 0f b6 04 13 movzbl (%rbx,%rdx,1),%eax
32: 84 c0 test %al,%al
34: 0f 85 4a 01 00 00 jne 0x184
3a: 45 89 38 mov %r15d,(%r8)
3d: 4f rex.WRXB
3e: 8d .byte 0x8d
3f: 3c .byte 0x3c