Check effect command reply size in AudioFlinger
Bug: 29251553
Change-Id: I1bcc1281f1f0542bb645f6358ce31631f2a8ffbf
(cherry picked from commit 110bc9547a0c851ff1f20f5d7579b34f942947b8)
diff --git a/services/audioflinger/Effects.cpp b/services/audioflinger/Effects.cpp
index 949c91d..eb52dee 100644
--- a/services/audioflinger/Effects.cpp
+++ b/services/audioflinger/Effects.cpp
@@ -558,6 +558,12 @@
if (mStatus != NO_ERROR) {
return mStatus;
}
+ if (cmdCode == EFFECT_CMD_GET_PARAM &&
+ (*replySize < sizeof(effect_param_t) ||
+ ((effect_param_t *)pCmdData)->psize > *replySize - sizeof(effect_param_t))) {
+ android_errorWriteLog(0x534e4554, "29251553");
+ return -EINVAL;
+ }
status_t status = (*mEffectInterface)->command(mEffectInterface,
cmdCode,
cmdSize,