audit: type=1804 audit(1628599564.480:8): pid=9636 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir723943590/syzkaller.7vgv2Z/7/memory.events" dev="sda1" ino=13940 res=1 BUG: sleeping function called from invalid context at net/core/sock.c:2787 in_atomic(): 1, irqs_disabled(): 0, pid: 7981, name: syz-executor.2 1 lock held by syz-executor.2/7981: #0: (hci_sk_list.lock){++++}, at: [] hci_sock_dev_event+0x379/0x5e0 net/bluetooth/hci_sock.c:751 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 7981 Comm: syz-executor.2 Not tainted 4.14.243-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 lock_sock_nested+0x31/0x100 net/core/sock.c:2787 lock_sock include/net/sock.h:1471 [inline] hci_sock_dev_event+0x403/0x5e0 net/bluetooth/hci_sock.c:753 hci_unregister_dev+0x232/0x8c0 net/bluetooth/hci_core.c:3212 vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xa44/0x2850 kernel/exit.c:868 do_group_exit+0x100/0x2e0 kernel/exit.c:965 SYSC_exit_group kernel/exit.c:976 [inline] SyS_exit_group+0x19/0x20 kernel/exit.c:974 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665e9 RSP: 002b:00007ffc4e980788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffc4e980940 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 RBP: 0000000000000000 R08: 0000000000000025 R09: 00007ffc4e980940 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004bfc95 R13: 000000000000001c R14: 00000000ffffffff R15: 00007ffc4e980980 audit: type=1804 audit(1628599564.980:9): pid=9676 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir723943590/syzkaller.7vgv2Z/8/memory.events" dev="sda1" ino=13939 res=1 audit: type=1804 audit(1628599565.130:10): pid=9696 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir723943590/syzkaller.7vgv2Z/8/memory.events" dev="sda1" ino=13939 res=1 Bluetooth: hci5 command 0x0405 tx timeout Bluetooth: hci0 command 0x0401 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout