------------[ cut here ]------------ WARNING: CPU: 0 PID: 2313 at drivers/base/firmware_loader/fallback.c:154 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:154 [inline] WARNING: CPU: 0 PID: 2313 at drivers/base/firmware_loader/fallback.c:154 firmware_fallback_sysfs+0x732/0x960 drivers/base/firmware_loader/fallback.c:244 Modules linked in: CPU: 0 PID: 2313 Comm: pvrusb2-context 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:154 [inline] RIP: 0010:firmware_fallback_sysfs+0x732/0x960 drivers/base/firmware_loader/fallback.c:244 Code: 74 66 fc e9 56 fc ff ff e8 4b 74 66 fc c6 05 dd 8d f0 08 01 48 c7 c7 80 14 04 8b e8 48 97 0b 05 e9 79 fc ff ff e8 2e 74 66 fc <0f> 0b 4c 89 f7 48 c7 c6 60 15 04 8b 4c 89 e2 e8 4f 98 0f 05 e9 5b RSP: 0018:ffffc90006247760 EFLAGS: 00010293 RAX: ffffffff851bbeb2 RBX: dffffc0000000000 RCX: ffff888029ba3c00 RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff90b0f357 R09: 1ffffffff2161e6a R10: dffffc0000000000 R11: fffffbfff2161e6b R12: ffffffff8b5fb4c0 R13: 0000000000001770 R14: ffff888074b270a8 R15: 00000000fffffff5 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f698a136e9c CR3: 000000002fc5c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _request_firmware+0xccb/0x1280 drivers/base/firmware_loader/main.c:884 request_firmware+0x32/0x50 drivers/base/firmware_loader/main.c:933 pvr2_locate_firmware+0xb3/0x500 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359 pvr2_upload_firmware1+0x1ba/0x940 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1426 pvr2_hdw_setup_low drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2107 [inline] pvr2_hdw_setup drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2261 [inline] pvr2_hdw_initialize+0x422/0x3c10 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline] pvr2_context_thread_func+0x4f8/0xbd0 drivers/media/usb/pvrusb2/pvrusb2-context.c:158 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295