================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31 index 2825 is out of range for type 'const int[34]' CPU: 1 PID: 59 Comm: kworker/u4:4 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+0x18c/0x250 lib/dump_stack.c:106 ubsan_epilogue+0xa/0x30 lib/ubsan.c:217 __ubsan_handle_out_of_bounds+0xe3/0xf0 lib/ubsan.c:348 aiptek_irq+0x1eb8/0x2920 drivers/input/tablet/aiptek.c:741 __usb_hcd_giveback_urb+0x35d/0x520 drivers/usb/core/hcd.c:1648 dummy_timer+0xa40/0x3420 drivers/usb/gadget/udc/dummy_hcd.c:2003 __run_hrtimer kernel/time/hrtimer.c:1754 [inline] __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835 handle_softirqs+0x27d/0x820 kernel/softirq.c:578 do_softirq+0xfa/0x1a0 kernel/softirq.c:479 __local_bh_enable_ip+0x184/0x1c0 kernel/softirq.c:406 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x300/0x3a0 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x363/0x600 net/batman-adv/network-coding.c:722 process_one_work kernel/workqueue.c:2653 [inline] process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2730 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2811 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 ================================================================================