From 3a90a02bb6c4e8352112dbb9f2316935e4dd7315 Mon Sep 17 00:00:00 2001 From: Marco Nelissen Date: Mon, 22 Feb 2016 13:05:15 -0800 Subject: Clear allocation to avoid info leak Bug: 26914474 Change-Id: Ie1a86e86d78058d041149fe599a4996e7f8185cf --- media/libmedia/IOMX.cpp | 59 +++++++++++++++++++++++++++---------------------- 1 file changed, 32 insertions(+), 27 deletions(-) (limited to 'media/libmedia') diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp index 97b7ff0..865d575 100644 --- a/media/libmedia/IOMX.cpp +++ b/media/libmedia/IOMX.cpp @@ -692,34 +692,39 @@ status_t BnOMX::onTransact( size_t size = data.readInt64(); - void *params = malloc(size); - data.read(params, size); - - status_t err; - switch (code) { - case GET_PARAMETER: - err = getParameter(node, index, params, size); - break; - case SET_PARAMETER: - err = setParameter(node, index, params, size); - break; - case GET_CONFIG: - err = getConfig(node, index, params, size); - break; - case SET_CONFIG: - err = setConfig(node, index, params, size); - break; - case SET_INTERNAL_OPTION: - { - InternalOptionType type = - (InternalOptionType)data.readInt32(); - - err = setInternalOption(node, index, type, params, size); - break; + status_t err = NO_MEMORY; + void *params = calloc(size, 1); + if (params) { + err = data.read(params, size); + if (err != OK) { + android_errorWriteLog(0x534e4554, "26914474"); + } else { + switch (code) { + case GET_PARAMETER: + err = getParameter(node, index, params, size); + break; + case SET_PARAMETER: + err = setParameter(node, index, params, size); + break; + case GET_CONFIG: + err = getConfig(node, index, params, size); + break; + case SET_CONFIG: + err = setConfig(node, index, params, size); + break; + case SET_INTERNAL_OPTION: + { + InternalOptionType type = + (InternalOptionType)data.readInt32(); + + err = setInternalOption(node, index, type, params, size); + break; + } + + default: + TRESPASS(); + } } - - default: - TRESPASS(); } reply->writeInt32(err); -- cgit v1.1