platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
==================================================================
BUG: KASAN: slab-out-of-bounds in __list_add_valid+0x36/0xc0 lib/list_debug.c:23
Read of size 8 at addr ffff88817d009588 by task syz-executor.4/22666

CPU: 1 PID: 22666 Comm: syz-executor.4 Not tainted 5.4.57-syzkaller-00030-g99256a8c206b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x14a/0x1ce lib/dump_stack.c:118
 print_address_description+0x93/0x620 mm/kasan/report.c:374
 __kasan_report+0x16d/0x1e0 mm/kasan/report.c:506
 kasan_report+0x36/0x60 mm/kasan/common.c:634
 __list_add_valid+0x36/0xc0 lib/list_debug.c:23
 __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: 0033:0x45ce69
Code: 2d 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f065ec08c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029e80 RCX: 000000000045ce69
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000007
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff0154a7af R14: 00007f065ec099c0 R15: 000000000118bf2c

Allocated by task 2312:
 save_stack mm/kasan/common.c:69 [inline]
 set_track mm/kasan/common.c:77 [inline]
 __kasan_kmalloc+0x12c/0x1c0 mm/kasan/common.c:510
 kmem_cache_alloc_trace+0xc3/0x280 mm/slub.c:2820
 kmalloc include/linux/slab.h:556 [inline]
 kzalloc include/linux/slab.h:690 [inline]
 alloc_pipe_info+0xa1/0x3a0 fs/pipe.c:659
 get_pipe_inode fs/pipe.c:738 [inline]
 create_pipe_files+0x85/0x620 fs/pipe.c:770
 __do_pipe_flags+0x46/0x200 fs/pipe.c:807
 do_pipe2+0xee/0x350 fs/pipe.c:855
 __do_sys_pipe fs/pipe.c:878 [inline]
 __se_sys_pipe fs/pipe.c:876 [inline]
 __x64_sys_pipe+0x36/0x40 fs/pipe.c:876
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Freed by task 508:
 save_stack mm/kasan/common.c:69 [inline]
 set_track mm/kasan/common.c:77 [inline]
 kasan_set_free_info mm/kasan/common.c:332 [inline]
 __kasan_slab_free+0x181/0x230 mm/kasan/common.c:471
 slab_free_hook mm/slub.c:1443 [inline]
 slab_free_freelist_hook+0xd0/0x150 mm/slub.c:1476
 slab_free mm/slub.c:3041 [inline]
 kfree+0x12b/0x600 mm/slub.c:4002
 __free_fw_priv drivers/base/firmware_loader/main.c:259 [inline]
 kref_put include/linux/kref.h:65 [inline]
 free_fw_priv drivers/base/firmware_loader/main.c:266 [inline]
 firmware_free_data drivers/base/firmware_loader/main.c:541 [inline]
 release_firmware+0x45f/0x4a0 drivers/base/firmware_loader/main.c:949
 _request_firmware+0x181/0x1360 drivers/base/firmware_loader/main.c:790
 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

The buggy address belongs to the object at ffff88817d009500
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 136 bytes inside of
 192-byte region [ffff88817d009500, ffff88817d0095c0)
The buggy address belongs to the page:
page:ffffea0005f40240 refcount:1 mapcount:0 mapping:ffff8881da802a00 index:0x0
flags: 0x8000000000000200(slab)
raw: 8000000000000200 dead000000000100 dead000000000122 ffff8881da802a00
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88817d009480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88817d009500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88817d009580: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                      ^
 ffff88817d009600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88817d009680: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
==================================================================
list_add corruption. next->prev should be prev (ffffffff84cb6c40), but was 0000000000000000. (next=ffff88817d009580).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:25!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22666 Comm: syz-executor.4 Tainted: G    B             5.4.57-syzkaller-00030-g99256a8c206b #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: 7e ce 98 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 82 b6 2e ff 0f 0b 48 c7 c7 c9 cd 98 84 4c 89 e6 4c 89 f1 31 c0 e8 6c b6 2e ff <0f> 0b 48 c7 c7 2c ce 98 84 4c 89 f6 4c 89 e1 31 c0 e8 56 b6 2e ff
RSP: 0018:ffff88818537f2c8 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff88817d009588 RCX: 4ac0f55653dd4500
RDX: ffffc90003357000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff88817d009580 R08: ffffffff812bed0e R09: ffffed103b725df0
R10: ffffed103b725df0 R11: 0000000000000000 R12: ffffffff84cb6c40
R13: dffffc0000000000 R14: ffff88817d009580 R15: ffff88819bf6d880
FS:  00007f065ec09700(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31e21000 CR3: 0000000187944002 CR4: 00000000001606e0
DR0: 0000000000000000 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+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: 0033:0x45ce69
Code: 2d 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f065ec08c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029e80 RCX: 000000000045ce69
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000007
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff0154a7af R14: 00007f065ec099c0 R15: 000000000118bf2c
Modules linked in:
---[ end trace bd75343ab78f623c ]---
RIP: 0010:__list_add_valid+0xa0/0xc0 lib/list_debug.c:23
Code: 7e ce 98 84 4c 89 fe 4c 89 e2 4c 89 f1 31 c0 e8 82 b6 2e ff 0f 0b 48 c7 c7 c9 cd 98 84 4c 89 e6 4c 89 f1 31 c0 e8 6c b6 2e ff <0f> 0b 48 c7 c7 2c ce 98 84 4c 89 f6 4c 89 e1 31 c0 e8 56 b6 2e ff
RSP: 0018:ffff88818537f2c8 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffff88817d009588 RCX: 4ac0f55653dd4500
RDX: ffffc90003357000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff88817d009580 R08: ffffffff812bed0e R09: ffffed103b725df0
R10: ffffed103b725df0 R11: 0000000000000000 R12: ffffffff84cb6c40
R13: dffffc0000000000 R14: ffff88817d009580 R15: ffff88819bf6d880
FS:  00007f065ec09700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc26252f1b0 CR3: 0000000187944002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600