Re: [PATCH v2 1/2] misc: fastrpc: Fix NULL pointer dereference in rpmsg callback

[Srinivas Kandagatla]

On Mon, 04 May 2026 22:47:00 +0530, Mukesh Ojha wrote:
> A NULL pointer dereference was observed on Hawi at boot when the DSP
> sends a glink message before fastrpc_rpmsg_probe() has completed
> initialization:
> 
>   Unable to handle kernel NULL pointer dereference at virtual address 0000000000000178
>   pc : _raw_spin_lock_irqsave+0x34/0x8c
>   lr : fastrpc_rpmsg_callback+0x3c/0xcc [fastrpc]
>   ...
>   Call trace:
>    _raw_spin_lock_irqsave+0x34/0x8c (P)
>    fastrpc_rpmsg_callback+0x3c/0xcc [fastrpc]
>    qcom_glink_native_rx+0x538/0x6a4
>    qcom_glink_smem_intr+0x14/0x24 [qcom_glink_smem]
> 
> [...]

Applied, thanks!

[1/2] misc: fastrpc: Fix NULL pointer dereference in rpmsg callback
      commit: 4d24965e0ae82ae4b49c4d739d030ee23a1779d4
[2/2] misc: fastrpc: Move prints outside spinlock in fastrpc_cb_probe
      commit: 8d712bcdd1ef73bf790f01039508fb4e9c076bb1

Best regards,
-- 
Srinivas Kandagatla <srini@xxxxxxxxxx>