general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 1 PID: 2983 Comm: kworker/u4:5 Not tainted 5.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1860
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 74 02 59 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 36
RSP: 0018:ffffc90008a5fb40 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888087825000 RCX: ffffffff858f061e
RDX: 0000000000000017 RSI: ffffffff861a318c RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88809e7fc240 R09: ffffed1014bb3684
R10: ffff8880a5d9b41f R11: ffffed1014bb3683 R12: 0000000000000001
R13: 00000000000000b8 R14: ffff888087825110 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff2b003c158 CR3: 00000000a8896000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2284 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:436 [inline]
 bcsp_recv+0x9f3/0x1420 drivers/bluetooth/hci_bcsp.c:598
 hci_uart_tty_receive+0x275/0x750 drivers/bluetooth/hci_ldisc.c:613
 tty_ldisc_receive_buf+0x14a/0x190 drivers/tty/tty_buffer.c:465
 tty_port_default_receive_buf+0x78/0xa0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:481 [inline]
 flush_to_ldisc+0x21d/0x390 drivers/tty/tty_buffer.c:533
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 0eb3c57c5f36d719 ]---
RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1860
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 74 02 59 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 36
RSP: 0018:ffffc90008a5fb40 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888087825000 RCX: ffffffff858f061e
RDX: 0000000000000017 RSI: ffffffff861a318c RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88809e7fc240 R09: ffffed1014bb3684
R10: ffff8880a5d9b41f R11: ffffed1014bb3683 R12: 0000000000000001
R13: 00000000000000b8 R14: ffff888087825110 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff2b003c158 CR3: 00000000a8896000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400