------------[ cut here ]------------
WARNING: CPU: 1 PID: 4295 at drivers/base/firmware_loader/fallback.c:569 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:569 [inline]
WARNING: CPU: 1 PID: 4295 at drivers/base/firmware_loader/fallback.c:569 firmware_fallback_sysfs+0x986/0xc20 drivers/base/firmware_loader/fallback.c:659
Modules linked in:
CPU: 1 PID: 4295 Comm: cxacru Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:569 [inline]
RIP: 0010:firmware_fallback_sysfs+0x986/0xc20 drivers/base/firmware_loader/fallback.c:659
Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 44 01 9a fc c6 05 34 5a 98 08 01 48 c7 c7 a0 f3 9c 8a e8 b1 76 d6 04 eb d4 e8 2a 01 9a fc <0f> 0b 4c 89 f7 48 c7 c6 80 f4 9c 8a 48 89 ea e8 06 0f da 04 eb b9
RSP: 0018:ffffc900033cfbe8 EFLAGS: 00010293
RAX: ffffffff84defb86 RBX: dffffc0000000000 RCX: ffff88802282d940
RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000
RBP: ffffc900033cfd40 R08: ffffffff8c1cf7c3 R09: 1ffffffff1839ef8
R10: dffffc0000000000 R11: fffffbfff1839ef9 R12: 0000000000000001
R13: 0000000000001770 R14: ffff88807bfd7030 R15: 00000000fffffff5
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1889568700 CR3: 000000005f950000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _request_firmware+0xc83/0x12b0 drivers/base/firmware_loader/main.c:876
 request_firmware+0x32/0x50 drivers/base/firmware_loader/main.c:925
 cxacru_find_firmware+0x101/0x230 drivers/usb/atm/cxacru.c:994
 cxacru_heavy_init+0x17a/0xc40 drivers/usb/atm/cxacru.c:1016
 usbatm_do_heavy_init+0x8a/0x110 drivers/usb/atm/usbatm.c:963
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>