ath9k_htc 1-1:1.0: ath9k_htc: HTC initialized with 33 credits ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51 index 255 is out of range for type 'htc_endpoint [22]' CPU: 0 PID: 5263 Comm: kworker/0:6 Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0x111/0x150 lib/ubsan.c:347 htc_issue_send.constprop.0+0x209/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:26 ath9k_wmi_cmd_issue drivers/net/wireless/ath/ath9k/wmi.c:305 [inline] ath9k_wmi_cmd+0x424/0x630 drivers/net/wireless/ath/ath9k/wmi.c:342 ath9k_regread+0xdb/0x160 drivers/net/wireless/ath/ath9k/htc_drv_init.c:242 ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:287 [inline] __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] ath9k_hw_init+0xf02/0x2b30 drivers/net/wireless/ath/ath9k/hw.c:700 ath9k_init_priv drivers/net/wireless/ath/ath9k/htc_drv_init.c:662 [inline] ath9k_init_device drivers/net/wireless/ath/ath9k/htc_drv_init.c:839 [inline] ath9k_htc_probe_device+0xb37/0x25f0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:963 ath9k_htc_hw_init+0x33/0x70 drivers/net/wireless/ath/ath9k/htc_hst.c:529 ath9k_hif_usb_firmware_cb+0x272/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1273 request_firmware_work_func+0x13a/0x240 drivers/base/firmware_loader/main.c:1163 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243 ---[ end trace ]---