RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdfdbd896d4
R13: 00000000004c3215 R14: 00000000004d65a8 R15: 0000000000000004
kasan: GPF could be caused by NULL-ptr deref or user memory access
Bluetooth: Can't allocate mem for new packet
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 8049 Comm: kworker/u4:5 Not tainted 4.14.113 #3
kobject: 'loop0' (ffff8880970aeb60): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
kobject: 'loop0' (ffff8880970aeb60): fill_kobj_path: path = '/devices/virtual/block/loop0'
task: ffff8880598c8640 task.stack: ffff8880598d0000
RIP: 0010:skb_put+0x31/0x1c0 net/core/skbuff.c:1694
RSP: 0018:ffff8880598d7b50 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809463c840 RCX: 0000000000000000
RDX: 0000000000000019 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880598d7b78 R08: ffff88809463c938 R09: ffffffff88cab460
R10: ffff8880598c8f60 R11: ffff8880598c8640 R12: 0000000000000000
R13: 0000000000000001 R14: 000000000000000a R15: 00000000000000c8
FS:  0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 0000000066e5a000 CR4: 00000000001426e0
Call Trace:
 skb_put_data include/linux/skbuff.h:2077 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:450 [inline]
 bcsp_recv+0x8f3/0x1450 drivers/bluetooth/hci_bcsp.c:611
 hci_uart_tty_receive+0x1fa/0x4d0 drivers/bluetooth/hci_ldisc.c:603
 tty_ldisc_receive_buf+0x151/0x1a0 drivers/tty/tty_buffer.c:459
 tty_port_default_receive_buf+0x73/0xa0 drivers/tty/tty_port.c:37
 receive_buf drivers/tty/tty_buffer.c:475 [inline]
 flush_to_ldisc+0x1f2/0x400 drivers/tty/tty_buffer.c:527
 process_one_work+0x868/0x1610 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x31c/0x430 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402
Code: 41 56 41 55 41 89 f5 41 54 49 89 fc 4d 8d bc 24 c8 00 00 00 53 e8 60 1a 8e fc 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 
RIP: skb_put+0x31/0x1c0 net/core/skbuff.c:1694 RSP: ffff8880598d7b50
---[ end trace 2927c2abc701ee23 ]---