================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 9222 is out of range for type 'const int[34]'
CPU: 0 PID: 3640 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282
 aiptek_irq+0x1e87/0x28f0 drivers/input/tablet/aiptek.c:741
 __usb_hcd_giveback_urb+0x35d/0x520 drivers/usb/core/hcd.c:1673
 dummy_timer+0xa21/0x3420 drivers/usb/gadget/udc/dummy_hcd.c:2004
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:memset+0x2b/0x40 mm/kasan/shadow.c:47
Code: 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 92 ec ff ff 84 c0 74 11 4c 89 f7 89 ee 48 89 da 5b <41> 5e 5d e9 cd c2 4b 08 31 c0 5b 41 5e 5d c3 66 0f 1f 44 00 00 41
RSP: 0018:ffffc900032e7428 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900032e74e8 RCX: ffffffff8139037a
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc900032e7538
RBP: 0000000000000000 R08: ffffc900032e7547 R09: 1ffff9200065cea8
R10: dffffc0000000000 R11: fffff5200065cea9 R12: dffffc0000000000
R13: ffffc900032e8000 R14: ffffc900032e7538 R15: ffffc900032e751d
 unwind_next_frame+0x8da/0x1fd0 arch/x86/kernel/unwind_orc.c:546
 arch_stack_walk+0x10c/0x140 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_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kmalloc include/linux/slab.h:563 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 kernfs_fop_open+0x3ce/0xc60 fs/kernfs/file.c:690
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3634 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3791
 do_filp_open+0x1ee/0x420 fs/namei.c:3818
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 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: 0033:0x7f4f13ea7407
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:00007fff01eb1e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4f145bf880 RCX: 00007f4f13ea7407
RDX: 0000000000080000 RSI: 00007fff01eb1ff0 RDI: ffffffffffffff9c
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055dc776747f5
R13: 000055dc776747f5 R14: 0000000000000001 R15: 00007fff01eb6640
 </TASK>
================================================================================
----------------
Code disassembly (best guess):
   0:	41 56                	push   %r14
   2:	53                   	push   %rbx
   3:	48 89 d3             	mov    %rdx,%rbx
   6:	89 f5                	mov    %esi,%ebp
   8:	49 89 fe             	mov    %rdi,%r14
   b:	48 8b 4c 24 18       	mov    0x18(%rsp),%rcx
  10:	48 89 d6             	mov    %rdx,%rsi
  13:	ba 01 00 00 00       	mov    $0x1,%edx
  18:	e8 92 ec ff ff       	call   0xffffecaf
  1d:	84 c0                	test   %al,%al
  1f:	74 11                	je     0x32
  21:	4c 89 f7             	mov    %r14,%rdi
  24:	89 ee                	mov    %ebp,%esi
  26:	48 89 da             	mov    %rbx,%rdx
  29:	5b                   	pop    %rbx
* 2a:	41 5e                	pop    %r14 <-- trapping instruction
  2c:	5d                   	pop    %rbp
  2d:	e9 cd c2 4b 08       	jmp    0x84bc2ff
  32:	31 c0                	xor    %eax,%eax
  34:	5b                   	pop    %rbx
  35:	41 5e                	pop    %r14
  37:	5d                   	pop    %rbp
  38:	c3                   	ret
  39:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
  3f:	41                   	rex.B