Re: [PATCH bluetooth-next] Bluetooth: bcsp: receive data only if registered

[patchwork-bot+bluetooth@kernel.org]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Sat, 30 Aug 2025 16:03:40 -0400 you wrote:
> Currently, bcsp_recv() can be called even when the BCSP protocol has not
> been registered. This leads to a NULL pointer dereference, as shown in
> the following stack trace:
> 
>     KASAN: null-ptr-deref in range [0x0000000000000108-0x000000000000010f]
>     RIP: 0010:bcsp_recv+0x13d/0x1740 drivers/bluetooth/hci_bcsp.c:590
>     Call Trace:
>      <TASK>
>      hci_uart_tty_receive+0x194/0x220 drivers/bluetooth/hci_ldisc.c:627
>      tiocsti+0x23c/0x2c0 drivers/tty/tty_io.c:2290
>      tty_ioctl+0x626/0xde0 drivers/tty/tty_io.c:2706
>      vfs_ioctl fs/ioctl.c:51 [inline]
>      __do_sys_ioctl fs/ioctl.c:907 [inline]
>      __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
>      do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
>      do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
>      entry_SYSCALL_64_after_hwframe+0x77/0x7f
> 
> [...]

Here is the summary with links:
  - [bluetooth-next] Bluetooth: bcsp: receive data only if registered
    https://git.kernel.org/bluetooth/bluetooth-next/c/6c7e4432e56e

You are awesome, thank you!
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