Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10a/0x149 lib/fault-inject.c:149
 should_failslab+0xd6/0x130 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc_node mm/slab.c:3297 [inline]
 kmem_cache_alloc_node+0x54/0x410 mm/slab.c:3640
general protection fault: 0000 [#1] PREEMPT SMP KASAN
 __alloc_skb+0x5c/0x510 net/core/skbuff.c:193
Modules linked in:
 alloc_skb include/linux/skbuff.h:980 [inline]
 bt_skb_alloc include/net/bluetooth/bluetooth.h:336 [inline]
 create_monitor_ctrl_open+0x130/0x630 net/bluetooth/hci_sock.c:510
CPU: 0 PID: 9736 Comm: syz-executor.4 Not tainted 4.14.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880539266c0 task.stack: ffff8880485e0000
 hci_sock_ioctl+0x521/0x690 net/bluetooth/hci_sock.c:990
RIP: 0010:nla_get_le64 include/net/netlink.h:1162 [inline]
RIP: 0010:ieee802154_llsec_parse_dev_addr+0x1dc/0x320 net/ieee802154/nl802154.c:1326
RSP: 0018:ffff8880485e7538 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c512000
 sock_do_ioctl net/socket.c:974 [inline]
 sock_ioctl+0x2cc/0x4c0 net/socket.c:1071
RDX: 0000000000000000 RSI: ffffffff86d9a102 RDI: 0000000000000004
RBP: ffff8880485e7730 R08: 0000000000000001 R09: ffff8880485e7568
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
R10: ffff8880485e7597 R11: ffff8880539266c0 R12: 1ffff110090bcea7
R13: 0000000000000000 R14: ffff88809f4ca5c4 R15: ffff88809f4ca5bc
FS:  00007f97e4078700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0d44860000 CR3: 000000009e41c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x466459
RSP: 002b:00007fcf85e93188 EFLAGS: 00000246
 ieee802154_llsec_parse_key_id+0x2f4/0x3a0 net/ieee802154/nl802154.c:1362
 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000000000000 RSI: 00000000800448d2 RDI: 0000000000000004
RBP: 00007fcf85e931d0 R08: 0000000000000000 R09: 0000000000000000
 nl802154_add_llsec_devkey+0x1da/0x380 net/ieee802154/nl802154.c:1921
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd1f25382f R14: 00007fcf85e93300 R15: 0000000000022000
 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
audit: type=1800 audit(1616318787.173:14241): pid=9750 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file1" dev="sda1" ino=14238 res=0
BFS-fs: bfs_fill_super(): loop4 is unclean, continuing
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x466459
RSP: 002b:00007f97e4078188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000005
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffc579cd67f R14: 00007f97e4078300 R15: 0000000000022000
Code: 00 0f 84 a3 00 00 00 80 fb 03 75 63 e8 2e 80 7b fa 48 8b 5c 24 50 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 19 01 00 00 48 8d 7d 08 48 8b 5b 04 48 b8 00 
RIP: nla_get_le64 include/net/netlink.h:1162 [inline] RSP: ffff8880485e7538
RIP: ieee802154_llsec_parse_dev_addr+0x1dc/0x320 net/ieee802154/nl802154.c:1326 RSP: ffff8880485e7538
---[ end trace ebdbb6ac6436a7f5 ]---