BUG: sleeping function called from invalid context at net/core/sock.c:3100
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 10306, name: syz-executor.3
1 lock held by syz-executor.3/10306:
 #0: ffffffff8c40af80 (hci_sk_list.lock){++++}-{2:2}, at: hci_sock_dev_event+0x374/0x5c0 net/bluetooth/hci_sock.c:763
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 10306 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:105
 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9154
 lock_sock_nested+0x1e/0xf0 net/core/sock.c:3100
 lock_sock include/net/sock.h:1610 [inline]
 hci_sock_dev_event+0x3ea/0x5c0 net/bluetooth/hci_sock.c:765
 hci_unregister_dev+0x29b/0xfb0 net/bluetooth/hci_core.c:4033
 vhci_release+0x62/0xd0 drivers/bluetooth/hci_vhci.c:340
 __fput+0x209/0x870 fs/file_table.c:280
 task_work_run+0xc0/0x160 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x9fe/0x24e0 kernel/exit.c:825
 do_group_exit+0xe7/0x290 kernel/exit.c:922
 get_signal+0x3b2/0x1c80 kernel/signal.c:2808
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x41940b
Code: Unable to access opcode bytes at RIP 0x4193e1.
RSP: 002b:00007ffc7ed2d6e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000041940b
RDX: 00000000005708b0 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b33920118
R10: 00007ffc7ed2d7d0 R11: 0000000000000293 R12: 0000000000013e25
R13: 00000000000003e8 R14: 000000000056bf80 R15: 0000000000013c31

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