WARNING: CPU: 0 PID: 7316 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7316 Comm: kworker/0:9 Not tainted 5.8.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xf6/0x16e lib/dump_stack.c:118 panic+0x2aa/0x6e1 kernel/panic.c:231 __warn.cold+0x2f/0x35 kernel/panic.c:600 report_bug+0x271/0x2f0 lib/bug.c:198 exc_invalid_op+0x1e4/0x370 arch/x86/kernel/traps.c:235 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563 RIP: 0010:usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 Code: 4d 85 ed 74 46 e8 48 96 d0 fd 4c 89 f7 e8 a0 02 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 b3 3d 86 e8 3a ac a4 fd <0f> 0b e9 20 f4 ff ff e8 1c 96 d0 fd 0f 1f 44 00 00 e8 12 96 d0 fd RSP: 0018:ffff8881d2297b50 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81298423 RDI: ffffed103a452f5c RBP: ffff8881c4c02050 R08: ffff8881cb12cb00 R09: ffffed103b645ea2 R10: ffff8881db22f50f R11: ffffed103b645ea1 R12: 0000000000000003 R13: ffff8881d8dcb618 R14: ffff8881c72e90a0 R15: ffff8881c89c0a00 ath9k_hif_usb_alloc_rx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:880 [inline] ath9k_hif_usb_alloc_urbs+0x7be/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:991 ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1081 [inline] ath9k_hif_usb_firmware_cb+0x148/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1214 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1001 process_one_work+0x965/0x1620 kernel/workqueue.c:2269 worker_thread+0x96/0xe10 kernel/workqueue.c:2415 kthread+0x352/0x460 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Kernel Offset: disabled