6.6-stable review patch. If anyone has any objections, please let me know.
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From: Peter Ujfalusi peter.ujfalusi@linux.intel.com
commit ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8 upstream.
If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used.
Fixes: 648fea128476 ("ASoC: SOF: ipc4-topology: set copier output format for process module") Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Seppo Ingalsuo seppo.ingalsuo@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Cc: stable@vger.kernel.org Link: https://msgid.link/r/20240529121201.14687-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- sound/soc/sof/ipc4-topology.c | 8 ++++++++ 1 file changed, 8 insertions(+)
--- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -195,6 +195,14 @@ sof_ipc4_get_input_pin_audio_fmt(struct }
process = swidget->private; + + /* + * For process modules without base config extension, base module config + * format is used for all input pins + */ + if (process->init_config != SOF_IPC4_MODULE_INIT_CONFIG_TYPE_BASE_CFG_WITH_EXT) + return &process->base_config.audio_fmt; + base_cfg_ext = process->base_config_ext;
/*