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authorDragos Tarcatu <dragos_tarcatu@mentor.com>2019-11-06 08:58:16 -0600
committerMark Brown <broonie@kernel.org>2019-11-06 15:31:12 +0000
commit9508ef5a980f5d847cad9b932b6ada8f2a3466c1 (patch)
treec2c6e0ebd24d1fb6904217eced068176ba19019c /sound/soc/intel/boards/skl_hda_dsp_common.h
parente44f3d49f900c645af434a3a1dfdbfb79c4a7851 (diff)
ASoC: SOF: topology: Fix bytes control size checks
When using the example SOF amp widget topology, KASAN dumps this when the AMP bytes kcontrol gets loaded: [ 9.579548] BUG: KASAN: slab-out-of-bounds in sof_control_load+0x8cc/0xac0 [snd_sof] [ 9.588194] Write of size 40 at addr ffff8882314559dc by task systemd-udevd/2411 Fix that by rejecting the topology if the bytes data size > max_size Fixes: 311ce4fe7637d ("ASoC: SOF: Add support for loading topologies") Reviewed-by: Jaska Uimonen <jaska.uimonen@intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Dragos Tarcatu <dragos_tarcatu@mentor.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20191106145816.9367-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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