R13: 0000000000000584 R14: 00000000004c8192 R15: 00007f163e1456d4
kasan: CONFIG_KASAN_INLINE enabled
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
CPU: 1 PID: 21746 Comm: kworker/u4:7 Not tainted 4.19.119-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:1697
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad c8 00 00 00 53 e8 74 f2 ce 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 42
RSP: 0018:ffff888208e07b70 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a5cdca40 RCX: ffffffff851e1704
RDX: 0000000000000019 RSI: ffffffff8598d70c RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880a83da4c0 R09: ffffed1015ce4733
R10: ffffed1015ce4732 R11: ffff8880ae723993 R12: 0000000000000001
R13: 00000000000000c8 R14: ffff8880a5cdcb38 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005583a6f2428e CR3: 000000008f700000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2111 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:451 [inline]
 bcsp_recv+0x9f9/0x1420 drivers/bluetooth/hci_bcsp.c:613
 hci_uart_tty_receive+0x21d/0x520 drivers/bluetooth/hci_ldisc.c:620
 tty_ldisc_receive_buf+0x14a/0x190 drivers/tty/tty_buffer.c:460
 tty_port_default_receive_buf+0x78/0xa0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:476 [inline]
 flush_to_ldisc+0x21d/0x390 drivers/tty/tty_buffer.c:528
 process_one_work+0x91f/0x1640 kernel/workqueue.c:2155
 worker_thread+0x96/0xe20 kernel/workqueue.c:2298
 kthread+0x34a/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 46db35de6bb42221 ]---
RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1697
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad c8 00 00 00 53 e8 74 f2 ce 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 42
RSP: 0018:ffff888208e07b70 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a5cdca40 RCX: ffffffff851e1704
RDX: 0000000000000019 RSI: ffffffff8598d70c RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880a83da4c0 R09: ffffed1015ce4733
R10: ffffed1015ce4732 R11: ffff8880ae723993 R12: 0000000000000001
R13: 00000000000000c8 R14: ffff8880a5cdcb38 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5451997000 CR3: 00000000536b5000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400