syzbot

usb 3-1: Direct firmware load for ti_5052.fw failed with error -2
usb 3-1: Falling back to sysfs fallback for: ti_5052.fw
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WARNING: CPU: 0 PID: 1205 at drivers/base/firmware_loader/fallback.c:148 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
WARNING: CPU: 0 PID: 1205 at drivers/base/firmware_loader/fallback.c:148 firmware_fallback_sysfs+0x6d3/0xbe0 drivers/base/firmware_loader/fallback.c:238
Modules linked in:
CPU: 0 UID: 0 PID: 1205 Comm: kworker/0:2 Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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+0x6d3/0xbe0 drivers/base/firmware_loader/fallback.c:238
Code: 88 fb e9 da f9 ff ff e8 db e9 a9 fb e8 46 11 70 fb 31 ff 89 c3 89 c6 e8 0b e5 a9 fb 85 db 0f 84 17 fb ff ff e8 be e9 a9 fb 90 <0f> 0b 90 48 c7 c6 a0 ab 42 8c 4c 89 e2 4c 89 f7 e8 68 28 f9 ff e9
RSP: 0018:ffffc9000447ec90 EFLAGS: 00010283
RAX: 00000000000802f2 RBX: 00000000fffffff5 RCX: ffffc900191b8000
RDX: 0000000000100000 RSI: ffffffff86123232 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff5 R11: 0000000000002c00 R12: ffffc9000447ef20
R13: ffff8880655376c0 R14: ffff88806f65d0b0 R15: 0000000000001770
FS:  0000000000000000(0000) GS:ffff888124753000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ff8bf84c0 CR3: 00000000360d1000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _request_firmware+0xfe9/0x1470 drivers/base/firmware_loader/main.c:915
 request_firmware+0x35/0x50 drivers/base/firmware_loader/main.c:966
 ti_download_firmware drivers/usb/serial/ti_usb_3410_5052.c:1627 [inline]
 ti_startup+0x8f3/0x1350 drivers/usb/serial/ti_usb_3410_5052.c:552
 usb_serial_probe+0x2819/0x4040 drivers/usb/serial/usb-serial.c:1123
 usb_probe_interface+0x303/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x241/0xa90 drivers/base/dd.c:657
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:462
 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
 device_add+0x1148/0x1a70 drivers/base/core.c:3692
 usb_set_configuration+0x1187/0x1e20 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x241/0xa90 drivers/base/dd.c:657
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:462
 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
 device_add+0x1148/0x1a70 drivers/base/core.c:3692
 usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2663
 hub_port_connect drivers/usb/core/hub.c:5535 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5675 [inline]
 port_event drivers/usb/core/hub.c:5835 [inline]
 hub_event+0x2eb7/0x4fa0 drivers/usb/core/hub.c:5917
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>