diff options
Diffstat (limited to 'media/libmedia/IEffect.cpp')
| -rw-r--r-- | media/libmedia/IEffect.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/media/libmedia/IEffect.cpp b/media/libmedia/IEffect.cpp index faf5795..af6d8de 100644 --- a/media/libmedia/IEffect.cpp +++ b/media/libmedia/IEffect.cpp @@ -25,6 +25,9 @@ namespace android { +// Maximum command/reply size expected +#define EFFECT_PARAM_SIZE_MAX 65536 + enum { ENABLE = IBinder::FIRST_CALL_TRANSACTION, DISABLE, @@ -156,6 +159,10 @@ status_t BnEffect::onTransact( uint32_t cmdSize = data.readInt32(); char *cmd = NULL; if (cmdSize) { + if (cmdSize > EFFECT_PARAM_SIZE_MAX) { + reply->writeInt32(NO_MEMORY); + return NO_ERROR; + } cmd = (char *)calloc(cmdSize, 1); if (cmd == NULL) { reply->writeInt32(NO_MEMORY); @@ -167,6 +174,11 @@ status_t BnEffect::onTransact( uint32_t replySz = replySize; char *resp = NULL; if (replySize) { + if (replySize > EFFECT_PARAM_SIZE_MAX) { + free(cmd); + reply->writeInt32(NO_MEMORY); + return NO_ERROR; + } resp = (char *)calloc(replySize, 1); if (resp == NULL) { free(cmd); |