BUG: sleeping function called from invalid context at net/core/sock.c:3064 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8834, name: syz-executor.5 1 lock held by syz-executor.5/8834: #0: ffffffff8c1e6900 (hci_sk_list.lock){++++}-{2:2}, at: hci_sock_dev_event+0x377/0x5d0 net/bluetooth/hci_sock.c:763 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 8834 Comm: syz-executor.5 Not tainted 5.13.0-rc7-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+0xa5/0xe6 lib/dump_stack.c:120 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:8337 lock_sock_nested+0x1e/0xf0 net/core/sock.c:3064 lock_sock include/net/sock.h:1610 [inline] hci_sock_dev_event+0x3ed/0x5d0 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+0xa26/0x2500 kernel/exit.c:826 do_group_exit+0xe7/0x290 kernel/exit.c:923 __do_sys_exit_group kernel/exit.c:934 [inline] __se_sys_exit_group kernel/exit.c:932 [inline] __x64_sys_exit_group+0x35/0x40 kernel/exit.c:932 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f674f844a39 Code: Unable to access opcode bytes at RIP 0x7f674f844a0f. RSP: 002b:00007fff368e57d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fff368e5fb8 RCX: 00007f674f844a39 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 RBP: 0000000000000000 R08: 0000000000000025 R09: 00007fff368e5fb8 R10: 0000000000000200 R11: 0000000000000246 R12: 00007f674f89df25 R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000000000 ======================================================