faux_driver regulatory: Direct firmware load for regulatory.db failed with error -4
faux_driver regulatory: Falling back to sysfs fallback for: regulatory.db
------------[ cut here ]------------
ret
WARNING: drivers/base/firmware_loader/fallback.c:148 at fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline], CPU#0: syz.4.4316/20776
WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x755/0xa40 drivers/base/firmware_loader/fallback.c:238, CPU#0: syz.4.4316/20776
Modules linked in:
CPU: 0 UID: 0 PID: 20776 Comm: syz.4.4316 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
RIP: 0010:firmware_fallback_sysfs+0x755/0xa40 drivers/base/firmware_loader/fallback.c:238
Code: 9a fb e9 48 fc ff ff e8 19 88 9a fb c6 05 ab 07 15 0a 01 48 c7 c7 60 26 76 8c e8 f6 d4 fb fa e9 70 fc ff ff e8 fc 87 9a fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 60 27 76 8c 4c 89 e2 e8 96 4d 00 fb e9
RSP: 0018:ffffc9000425f160 EFLAGS: 00010283
RAX: ffffffff862bea44 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90005e39000 RSI: 000000000000d361 RDI: 000000000000d362
RBP: 0000000000000001 R08: ffffffff90576df7 R09: 1ffffffff20aedbe
R10: dffffc0000000000 R11: fffffbfff20aedbf R12: ffffffff8d20f440
R13: 0000000000001770 R14: ffff88801c3ad000 R15: 00000000fffffff5
FS:  00007f39239da6c0(0000) GS:ffff888124f5a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f56ce757e20 CR3: 000000003f214000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 _request_firmware+0x1049/0x1780 drivers/base/firmware_loader/main.c:898
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:948
 reg_reload_regdb+0x95/0x490 net/wireless/reg.c:1067
 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2684
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738
 __sys_sendmsg net/socket.c:2770 [inline]
 __do_sys_sendmsg net/socket.c:2775 [inline]
 __se_sys_sendmsg net/socket.c:2773 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3922b9de59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f39239da028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3922e25fa0 RCX: 00007f3922b9de59
RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f3922c33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3922e26038 R14: 00007f3922e25fa0 R15: 00007ffcbf8934a8
 </TASK>