kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.2.0-rc3-next-20190607 #11
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:1760
Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 4c 28 f1 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:ffff8880a9a4fb28 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888099d427c0 RCX: ffffffff84fdecde
RDX: 0000000000000017 RSI: ffffffff857fb574 RDI: 0000000000000000
RBP: ffff8880a9a4fb58 R08: ffff8880a9a42580 R09: ffffed1015d26be0
R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000000
R13: 0000000000000001 R14: 00000000000000b8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004c0708 CR3: 000000009cd1a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2198 [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 0f5e9916505f89a1 ]---
RIP: 0010:skb_put+0x35/0x1d0 net/core/skbuff.c:1760
Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 4c 28 f1 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:ffff8880a9a4fb28 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888099d427c0 RCX: ffffffff84fdecde
RDX: 0000000000000017 RSI: ffffffff857fb574 RDI: 0000000000000000
RBP: ffff8880a9a4fb58 R08: ffff8880a9a42580 R09: ffffed1015d26be0
R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000000
R13: 0000000000000001 R14: 00000000000000b8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004c0708 CR3: 000000009cd1a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400