Code: ff 44 8b 28 85 db 4c 8b a5 00 ff ff ff 0f 85 cd 02 00 00 48 c7 c7 08 bf dc 8e 48 8b 75 b8 48 8b 55 88 45 89 e8 e8 7e 30 4d f9 <0f> 0b 44 8a ad 08 ff ff ff 48 8b 9d f0 fe ff ff 89 d8 44 89 e7 48 ===================================================== BUG: KMSAN: uninit-value in show_iret_regs+0x207/0x230 arch/x86/kernel/dumpstack.c:150 show_iret_regs+0x207/0x230 arch/x86/kernel/dumpstack.c:150 __show_regs+0x31/0xc90 arch/x86/kernel/process_64.c:74 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469 __warn+0x242/0x580 kernel/panic.c:621 report_bug+0x7ff/0xa10 lib/bug.c:198 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:316 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:336 asm_exc_invalid_op+0x1b/0x20 usb_submit_urb+0x19a2/0x2760 drivers/usb/core/urb.c:504 ath9k_hif_usb_alloc_rx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:907 [inline] ath9k_hif_usb_alloc_urbs+0xbfb/0x1700 drivers/net/wireless/ath/ath9k/hif_usb.c:1018 ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1108 [inline] ath9k_hif_usb_firmware_cb+0x17f/0x7f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1241 request_firmware_work_func+0x12c/0x240 drivers/base/firmware_loader/main.c:1107 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436 kthread+0x31b/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Local variable rf created at: __schedule+0x44/0x21d0 kernel/sched/core.c:6380 schedule+0x136/0x200 kernel/sched/core.c:6570 CPU: 0 PID: 6 Comm: kworker/0:0 Tainted: G W 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: events request_firmware_work_func =====================================================