general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22041 Comm: kworker/u4:2 Not tainted 5.2.0-rc5 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
RIP: 0010:skb_put+0x35/0x1d0 net/core/skbuff.c:1734
Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 ec e3 f4 fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c
RSP: 0018:ffff88809ff8fb28 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888088555800 RCX: ffffffff84fa750e
RDX: 0000000000000017 RSI: ffffffff857bdd74 RDI: 0000000000000000
RBP: ffff88809ff8fb58 R08: ffff8880a877a580 R09: ffffed1015d06be0
R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: 0000000000000000
R13: 0000000000000001 R14: 00000000000000b8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70662da000 CR3: 00000000a5ee0000 CR4: 00000000001406e0
Call Trace:
 skb_put_data include/linux/skbuff.h:2197 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:436 [inline]
 bcsp_recv+0x9a8/0x13a0 drivers/bluetooth/hci_bcsp.c:597
 hci_uart_tty_receive+0x225/0x530 drivers/bluetooth/hci_ldisc.c:592
 tty_ldisc_receive_buf+0x15f/0x1c0 drivers/tty/tty_buffer.c:465
 tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:481 [inline]
 flush_to_ldisc+0x222/0x390 drivers/tty/tty_buffer.c:533
 process_one_work+0x989/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x354/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 1eb5d59d52f6ca93 ]---
RIP: 0010:skb_put+0x35/0x1d0 net/core/skbuff.c:1734
Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 ec e3 f4 fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c
RSP: 0018:ffff88809ff8fb28 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888088555800 RCX: ffffffff84fa750e
RDX: 0000000000000017 RSI: ffffffff857bdd74 RDI: 0000000000000000
RBP: ffff88809ff8fb58 R08: ffff8880a877a580 R09: ffffed1015d06be0
R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: 0000000000000000
R13: 0000000000000001 R14: 00000000000000b8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70662da000 CR3: 00000000a4362000 CR4: 00000000001426e0