platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
list_add corruption. next->prev should be prev (ffffffff84cb7210), but was 0000000000000000. (next=ffff8881d76f8780).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:25!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 27097 Comm: syz-executor.3 Not tainted 5.4.63-syzkaller-01131-g40c744888652 #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: 4f 0d 99 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 82 d4 30 ff 0f 0b 48 c7 c7 9a 0c 99 84 4c 89 e6 4c 89 f1 31 c0 e8 6c d4 30 ff <0f> 0b 48 c7 c7 fd 0c 99 84 4c 89 f6 4c 89 e1 31 c0 e8 56 d4 30 ff
RSP: 0018:ffff8881cb7c72c8 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff8881d76f8788 RCX: 8b3a0a08e1bfbb00
RDX: ffffc900040f1000 RSI: 0000000000005d43 RDI: 0000000000005d44
RBP: ffff8881d76f8780 R08: ffffffff812b99ce R09: ffffed103b725e00
R10: ffffed103b725e00 R11: 0000000000000000 R12: ffffffff84cb7210
R13: dffffc0000000000 R14: ffff8881d76f8780 R15: ffff8881d447f280
FS:  00007f9b648ea700(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400200 CR3: 00000001d10c7001 CR4: 00000000001606e0
DR0: 00000000000002a1 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
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+0xe5f/0x1340 drivers/base/firmware_loader/main.c:783
 request_firmware+0x33/0x50 drivers/base/firmware_loader/main.c:826
 reg_reload_regdb+0x81/0x200 net/wireless/reg.c:1083
 genl_family_rcv_msg net/netlink/genetlink.c:629 [inline]
 genl_rcv_msg+0xe76/0x1330 net/netlink/genetlink.c:654
 netlink_rcv_skb+0x1f0/0x460 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+0x87c/0xa20 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x9a7/0xd40 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg net/socket.c:658 [inline]
 ____sys_sendmsg+0x56f/0x860 net/socket.c:2298
 ___sys_sendmsg net/socket.c:2352 [inline]
 __sys_sendmsg+0x26a/0x350 net/socket.c:2398
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9b648e9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002ac40 RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000007
RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffd70034b3f R14: 00007f9b648ea9c0 R15: 000000000118cf4c
Modules linked in:
---[ end trace 7a2aeecdd8e7acce ]---
RIP: 0010:__list_add_valid+0xa0/0xc0 lib/list_debug.c:23
Code: 4f 0d 99 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 82 d4 30 ff 0f 0b 48 c7 c7 9a 0c 99 84 4c 89 e6 4c 89 f1 31 c0 e8 6c d4 30 ff <0f> 0b 48 c7 c7 fd 0c 99 84 4c 89 f6 4c 89 e1 31 c0 e8 56 d4 30 ff
RSP: 0018:ffff8881cb7c72c8 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff8881d76f8788 RCX: 8b3a0a08e1bfbb00
RDX: ffffc900040f1000 RSI: 0000000000005d43 RDI: 0000000000005d44
RBP: ffff8881d76f8780 R08: ffffffff812b99ce R09: ffffed103b725e00
R10: ffffed103b725e00 R11: 0000000000000000 R12: ffffffff84cb7210
R13: dffffc0000000000 R14: ffff8881d76f8780 R15: ffff8881d447f280
FS:  00007f9b648ea700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f61597b8710 CR3: 00000001d10c7004 CR4: 00000000001606f0
DR0: 00000000000002a1 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600