================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31 index 261 is out of range for type 'const int[34]' CPU: 1 PID: 33 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: bat_events batadv_nc_worker Call Trace: 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+0x142/0x210 kernel/softirq.c:497 __local_bh_enable_ip+0x180/0x1c0 kernel/softirq.c:421 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x305/0x3a0 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x31e/0x600 net/batman-adv/network-coding.c:720 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ================================================================================