platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
list_add corruption. next->prev should be prev (ffffffff84cb6ab0), but was 0000000000000000. (next=ffff8881c71e6880).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:25!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13531 Comm: syz-executor.5 Not tainted 5.4.53-syzkaller-00505-g844c60a3ee7f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid+0xa0/0xc0 lib/list_debug.c:23
Code: 5e cb 98 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 c2 b8 2e ff 0f 0b 48 c7 c7 a9 ca 98 84 4c 89 e6 4c 89 f1 31 c0 e8 ac b8 2e ff <0f> 0b 48 c7 c7 0c cb 98 84 4c 89 f6 4c 89 e1 31 c0 e8 96 b8 2e ff
RSP: 0018:ffff8881da04f2c8 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff8881c71e6888 RCX: 0d718d78fd3ba500
RDX: ffffc900009f0000 RSI: 0000000000005c36 RDI: 0000000000005c37
RBP: ffff8881c71e6880 R08: ffffffff812bed5e R09: ffffed103b725df0
R10: ffffed103b725df0 R11: 0000000000000000 R12: ffffffff84cb6ab0
R13: dffffc0000000000 R14: ffff8881c71e6880 R15: ffff88816a9cd180
FS:  00007f74cdcce700(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f74cdc6adb8 CR3: 0000000174f91006 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:515 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:580 [inline]
 firmware_fallback_sysfs+0x48d/0xb30 drivers/base/firmware_loader/fallback.c:654
 _request_firmware+0xe82/0x1360 drivers/base/firmware_loader/main.c:783
 request_firmware+0x33/0x50 drivers/base/firmware_loader/main.c:826
 reg_reload_regdb+0xa6/0x220 net/wireless/reg.c:1083
 genl_family_rcv_msg net/netlink/genetlink.c:629 [inline]
 genl_rcv_msg+0xeef/0x13c0 net/netlink/genetlink.c:654
 netlink_rcv_skb+0x200/0x480 net/netlink/af_netlink.c:2478
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x8ad/0xa50 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x9de/0xd80 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg net/socket.c:658 [inline]
 ____sys_sendmsg+0x58a/0x8d0 net/socket.c:2298
 ___sys_sendmsg net/socket.c:2352 [inline]
 __sys_sendmsg+0x2d5/0x3c0 net/socket.c:2398
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c369
Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f74cdccdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000000294c0 RCX: 000000000045c369
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000006
RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007ffc67c8e7cf R14: 00007f74cdcce9c0 R15: 000000000078bf0c
Modules linked in:
---[ end trace ce55f3a4aabc0d5f ]---
RIP: 0010:__list_add_valid+0xa0/0xc0 lib/list_debug.c:23
Code: 5e cb 98 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 c2 b8 2e ff 0f 0b 48 c7 c7 a9 ca 98 84 4c 89 e6 4c 89 f1 31 c0 e8 ac b8 2e ff <0f> 0b 48 c7 c7 0c cb 98 84 4c 89 f6 4c 89 e1 31 c0 e8 96 b8 2e ff
RSP: 0018:ffff8881da04f2c8 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff8881c71e6888 RCX: 0d718d78fd3ba500
RDX: ffffc900009f0000 RSI: 0000000000005c36 RDI: 0000000000005c37
RBP: ffff8881c71e6880 R08: ffffffff812bed5e R09: ffffed103b725df0
R10: ffffed103b725df0 R11: 0000000000000000 R12: ffffffff84cb6ab0
R13: dffffc0000000000 R14: ffff8881c71e6880 R15: ffff88816a9cd180
FS:  00007f74cdcce700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5fa645b000 CR3: 0000000174f91002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600