cxacru 2-1:1.0: Direct firmware load for cxacru-fw.bin failed with error -2
cxacru 2-1:1.0: Falling back to sysfs fallback for: cxacru-fw.bin
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WARNING: CPU: 0 PID: 6047 at drivers/base/firmware_loader/fallback.c:144 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:144 [inline]
WARNING: CPU: 0 PID: 6047 at drivers/base/firmware_loader/fallback.c:144 firmware_fallback_sysfs+0x722/0x950 drivers/base/firmware_loader/fallback.c:234
Modules linked in:
CPU: 0 PID: 6047 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:144 [inline]
RIP: 0010:firmware_fallback_sysfs+0x722/0x950 drivers/base/firmware_loader/fallback.c:234
Code: df e8 c2 3c f9 ff 45 89 e7 eb bc e8 f8 61 33 fc c6 05 76 f1 22 09 01 48 c7 c7 a0 8b 42 8b e8 e5 53 2d 05 eb a7 e8 de 61 33 fc <0f> 0b 4c 89 f7 48 c7 c6 80 8c 42 8b 4c 89 e2 e8 ba 93 31 05 eb 8c
RSP: 0018:ffffc9000b837ac0 EFLAGS: 00010293
RAX: ffffffff85540fa2 RBX: dffffc0000000000 RCX: ffff88801bfa0000
RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8e8c7aef R09: 1ffffffff1d18f5d
R10: dffffc0000000000 R11: fffffbfff1d18f5e R12: ffffc9000b837d20
R13: 0000000000001770 R14: ffff8880608dc078 R15: 00000000fffffff5
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2da2421c CR3: 000000002c62f000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 _request_firmware+0xf29/0x1520 drivers/base/firmware_loader/main.c:936
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:987
 cxacru_find_firmware+0x105/0x230 drivers/usb/atm/cxacru.c:994
 cxacru_heavy_init+0x17e/0xc40 drivers/usb/atm/cxacru.c:1016
 usbatm_do_heavy_init+0x8e/0x110 drivers/usb/atm/usbatm.c:963
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>