BUG: sleeping function called from invalid context at net/core/sock.c:3064
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8841, name: syz-executor.4
1 lock held by syz-executor.4/8841:
 #0: ffffffff8c1ecfc0 (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: 8841 Comm: syz-executor.4 Not tainted 5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x5a/0x7e lib/dump_stack.c:96
 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9153
 lock_sock_nested+0x1e/0xf0 net/core/sock.c:3064
 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:4013
 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
 __do_sys_exit_group kernel/exit.c:933 [inline]
 __se_sys_exit_group kernel/exit.c:931 [inline]
 __x64_sys_exit_group+0x35/0x40 kernel/exit.c:931
 do_syscall_64+0x31/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
Code: Unable to access opcode bytes at RIP 0x4665af.
RSP: 002b:00007fffdc34d278 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fffdc34da38 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 0000000000000000 R08: 0000000000000025 R09: 00007fffdc34da38
R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000004bef54
R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000400538

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