R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea9caa97f R14: 00007f5d52c549c0 R15: 000000000118cf4c
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: 431 Comm: kworker/u4:6 Not tainted 4.19.143-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_tail_pointer include/linux/skbuff.h:2031 [inline]
RIP: 0010:skb_put+0x2b/0x190 net/core/skbuff.c:1697
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 53 e8 3d c1 b6 fb 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 48 8d bd c8 00 00 00 4c 8b ad d0 00
RSP: 0018:ffff8880a8d47ad8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809f135000 RCX: ffffffff85316d71
RDX: 000000000000001a RSI: ffffffff85b2f093 RDI: 00000000000000d0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000db
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 000000000000000a R14: ffff88809f1350f8 R15: ffff88809f13515c
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d0e30 CR3: 000000009b12b000 CR4: 00000000001426e0
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+0x939/0x1490 drivers/bluetooth/hci_bcsp.c:613
 hci_uart_tty_receive+0x221/0x530 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+0x21f/0x390 drivers/tty/tty_buffer.c:528
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace c0260c7955987e57 ]---
RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2031 [inline]
RIP: 0010:skb_put+0x2b/0x190 net/core/skbuff.c:1697
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 53 e8 3d c1 b6 fb 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 48 8d bd c8 00 00 00 4c 8b ad d0 00
RSP: 0018:ffff8880a8d47ad8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809f135000 RCX: ffffffff85316d71
RDX: 000000000000001a RSI: ffffffff85b2f093 RDI: 00000000000000d0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000db
Bluetooth: Can't allocate mem for new packet
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 000000000000000a R14: ffff88809f1350f8 R15: ffff88809f13515c
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400200 CR3: 0000000028abe000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400