vhci_hcd vhci_hcd.0: Device attached
vhci_hcd: connection closed
vhci_hcd: stop threads
vhci_hcd: release socket
vhci_hcd: disconnect device
BUG: sleeping function called from invalid context at net/core/sock.c:2863
in_atomic(): 1, irqs_disabled(): 0, pid: 8132, name: syz-executor.5
1 lock held by syz-executor.5/8132:
 #0: 000000008d07bd4f (hci_sk_list.lock){++++}, at: hci_sock_dev_event+0x3db/0x660 net/bluetooth/hci_sock.c:756
Preemption disabled at:
[<0000000000000000>]           (null)
CPU: 0 PID: 8132 Comm: syz-executor.5 Not tainted 4.19.200-syzkaller #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+0x1fc/0x2ef lib/dump_stack.c:118
 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6192
 lock_sock_nested+0x33/0x110 net/core/sock.c:2863
 lock_sock include/net/sock.h:1510 [inline]
 hci_sock_dev_event+0x465/0x660 net/bluetooth/hci_sock.c:758
 hci_unregister_dev+0x25b/0x910 net/bluetooth/hci_core.c:3292
 vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbf3/0x2be0 kernel/exit.c:870
 do_group_exit+0x125/0x310 kernel/exit.c:967
 __do_sys_exit_group kernel/exit.c:978 [inline]
 __se_sys_exit_group kernel/exit.c:976 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665e9
Code: 00 84 c9 0f 85 f1 fd ff ff 83 3d 81 f0 39 01 00 0f 85 c2 00 00 00 48 8d 0d 8c 2e 43 00 48 89 88 a8 00 00 00 0f 57 c0 0f 11 84 <24> 90 00 00 00 48 8b 0d 13 cb 36 01 48 89 8c 24 90 00 00 00 48 8d
RSP: 002b:00007ffcd17633b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043
RBP: 0000000000000000 R08: 0000000000000014 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004bfe0f
R13: 0000000000000000 R14: 0000000000000002 R15: 00007ffcd17635b0
IPVS: ftp: loaded support on port[0] = 21
chnl_net:caif_netlink_parms(): no params data found
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered disabled state
device bridge_slave_0 entered promiscuous mode
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_1 entered promiscuous mode