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: 1 PID: 2668 Comm: kworker/u4:4 Not tainted 5.3.0-rc8+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2141 [inline]
RIP: 0010:skb_put+0x37/0x210 net/core/skbuff.c:1861
Code: 48 83 ec 18 41 89 f5 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 fa 05 99 fb 48 89 da 49 8d be c0 00 00 00 48 89 f8 48 c1 e8 03 <80> 3c 18 00 74 0b 48 89 d3 e8 2b 01 d2 fb 48 89 da 4d 8b be c0 00
RSP: 0018:ffff8880a1bb7a98 EFLAGS: 00010206
RAX: 0000000000000018 RBX: dffffc0000000000 RCX: ffff8880a1ba2040
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 00000000000000c0
RBP: ffff8880a1bb7ad8 R08: ffffffff854764ee R09: ffffffff854763cb
R10: ffff8880a1ba2040 R11: 0000000000000002 R12: 000000000000005e
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880a1c26b98
FS:  0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32f0130ea0 CR3: 00000000880fe000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2221 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:436 [inline]
 bcsp_recv+0xfa9/0x1720 drivers/bluetooth/hci_bcsp.c:597
 hci_uart_tty_receive+0x16b/0x4f0 drivers/bluetooth/hci_ldisc.c:613
 tty_ldisc_receive_buf+0x12e/0x170 drivers/tty/tty_buffer.c:465
 tty_port_default_receive_buf+0x82/0xb0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:481 [inline]
 flush_to_ldisc+0x328/0x560 drivers/tty/tty_buffer.c:533
 process_one_work+0x7ef/0x10e0 kernel/workqueue.c:2269
 worker_thread+0xc01/0x1630 kernel/workqueue.c:2415
 kthread+0x332/0x350 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 147e7030ee7c3dde ]---
RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2141 [inline]
RIP: 0010:skb_put+0x37/0x210 net/core/skbuff.c:1861
Code: 48 83 ec 18 41 89 f5 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 fa 05 99 fb 48 89 da 49 8d be c0 00 00 00 48 89 f8 48 c1 e8 03 <80> 3c 18 00 74 0b 48 89 d3 e8 2b 01 d2 fb 48 89 da 4d 8b be c0 00
RSP: 0018:ffff8880a1bb7a98 EFLAGS: 00010206
RAX: 0000000000000018 RBX: dffffc0000000000 RCX: ffff8880a1ba2040
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 00000000000000c0
RBP: ffff8880a1bb7ad8 R08: ffffffff854764ee R09: ffffffff854763cb
R10: ffff8880a1ba2040 R11: 0000000000000002 R12: 000000000000005e
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880a1c26b98
FS:  0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000000a8f30000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400