faux_driver regulatory: loading /lib/firmware/regulatory.db failed with error -4 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.0.3716/21311 WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238, CPU#0: syz.0.3716/21311 Modules linked in: CPU: 0 UID: 0 PID: 21311 Comm: syz.0.3716 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline] RIP: 0010:firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238 Code: bb fb e9 5d fc ff ff e8 08 f9 bb fb c6 05 06 e9 10 0a 01 48 c7 c7 40 ed 53 8c e8 05 fa 1d fb e9 85 fc ff ff e8 eb f8 bb fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 40 ee 53 8c 4c 89 e2 e8 e5 99 22 fb e9 RSP: 0018:ffffc90005327150 EFLAGS: 00010283 RAX: ffffffff8609b345 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc90011304000 RSI: 000000000000ab0d RDI: 000000000000ab0e RBP: 0000000000000001 R08: ffffffff9030a3f7 R09: 1ffffffff206147e R10: dffffc0000000000 R11: fffffbfff206147f R12: ffffffff8cfdb380 R13: 0000000000001770 R14: ffff88801d319000 R15: 00000000fffffff5 FS: 00007f790707a6c0(0000) GS:ffff888125290000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc9325fd94 CR3: 000000004525a000 CR4: 00000000003526f0 Call Trace: _request_firmware+0x1052/0x1780 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+0x22a/0x330 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 __sys_sendmsg net/socket.c:2784 [inline] __do_sys_sendmsg net/socket.c:2789 [inline] __se_sys_sendmsg net/socket.c:2787 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f790619cdd9 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:00007f790707a028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7906416270 RCX: 00007f790619cdd9 RDX: 0000000020008004 RSI: 00002000000006c0 RDI: 0000000000000004 RBP: 00007f7906232d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7906416308 R14: 00007f7906416270 R15: 00007ffc930412e8