usb 1-1: Direct firmware load for keyspan_pda/xircom_pgs.fw failed with error -2
usb 1-1: Falling back to sysfs fallback for: keyspan_pda/xircom_pgs.fw
------------[ cut here ]------------
ret
WARNING: drivers/base/firmware_loader/fallback.c:148 at fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline], CPU#1: kworker/1:3/5882
WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238, CPU#1: kworker/1:3/5882
Modules linked in:
CPU: 1 UID: 0 PID: 5882 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
RIP: 0010:firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238
Code: b5 fb e9 5d fc ff ff e8 f8 85 b5 fb c6 05 af 50 0d 0a 01 48 c7 c7 60 03 55 8c e8 15 53 17 fb e9 85 fc ff ff e8 db 85 b5 fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 60 04 55 8c 4c 89 e2 e8 05 3a 1c fb e9
RSP: 0018:ffffc90003cd6930 EFLAGS: 00010283
RAX: ffffffff86106d75 RBX: dffffc0000000000 RCX: 0000000000100000
RDX: ffffc900185d3000 RSI: 000000000006ba44 RDI: 000000000006ba45
RBP: 0000000000000001 R08: ffffffff9033cab7 R09: 1ffffffff2067956
R10: dffffc0000000000 R11: fffffbfff2067957 R12: ffffffff8c8b35c0
R13: 0000000000001770 R14: ffff8880271bb0b0 R15: 00000000fffffff5
FS:  0000000000000000(0000) GS:ffff8881250ff000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc2fbfdfe8 CR3: 000000003602a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _request_firmware+0x1052/0x1780 drivers/base/firmware_loader/main.c:898
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:948
 request_ihex_firmware include/linux/ihex.h:71 [inline]
 ezusb_ihex_firmware_download drivers/usb/misc/ezusb.c:66 [inline]
 ezusb_fx1_ihex_firmware_download+0xbb/0xd60 drivers/usb/misc/ezusb.c:123
 keyspan_pda_fake_startup+0xd4/0x190 drivers/usb/serial/keyspan_pda.c:634
 usb_serial_probe+0x2537/0x2e50 drivers/usb/serial/usb-serial.c:1123
 usb_probe_interface+0x668/0xc90 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x267/0xaf0 drivers/base/dd.c:661
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
 __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
 device_add+0x7b6/0xb70 drivers/base/core.c:3689
 usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c4/0x3b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x267/0xaf0 drivers/base/dd.c:661
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
 __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
 device_add+0x7b6/0xb70 drivers/base/core.c:3689
 usb_new_device+0xa08/0x16f0 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>