Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 PID: 2324 Comm: pvrusb2-context Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 panic+0x2ca/0x720 kernel/panic.c:340
 check_panic_on_warn kernel/panic.c:236 [inline]
 __warn+0x2e0/0x470 kernel/panic.c:681
 __report_bug lib/bug.c:199 [inline]
 report_bug+0x2be/0x4f0 lib/bug.c:219
 handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310
 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345
 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606
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:ffffc900058e7740 EFLAGS: 00010293
RAX: ffffffff85540fa2 RBX: dffffc0000000000 RCX: ffff888026e88000
RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff911eb637 R09: 1ffffffff223d6c6
R10: dffffc0000000000 R11: fffffbfff223d6c7 R12: ffffffff8b99d2a0
R13: 0000000000001770 R14: ffff88802c4f90a8 R15: 00000000fffffff5
 _request_firmware+0xf29/0x1520 drivers/base/firmware_loader/main.c:936
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:987
 pvr2_locate_firmware+0xb3/0x500 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359
 pvr2_upload_firmware1+0x1be/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+0x426/0x3c30 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x4fc/0xbd0 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 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>
Kernel Offset: disabled
Rebooting in 86400 seconds..