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am 592cc33c: am e86f7e96: am 3c0272ba: am dc2d031a: am da9fd70d: am 2758eb2e: am fde92eb0: Update maxNumber to be smaller.

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* commit '592cc33c408d5c91ad87e1a51d72269d4525a10b':
  Update maxNumber to be smaller.
This commit is contained in:
Michael Lentine 2015-02-19 01:06:53 +00:00 committed by Android Git Automerger
commit a4201c10ae
1 changed files with 5 additions and 1 deletions
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6
libs/ui/GraphicBuffer.cpp
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@ -323,7 +323,11 @@ status_t GraphicBuffer::unflatten(
const size_t numFds = static_cast<size_t>(buf[8]); const size_t numFds = static_cast<size_t>(buf[8]);
const size_t numInts = static_cast<size_t>(buf[9]); const size_t numInts = static_cast<size_t>(buf[9]);
const size_t maxNumber = UINT_MAX / sizeof(int); // Limit the maxNumber to be relatively small. The number of fds or ints
// should not come close to this number, and the number itself was simply
// chosen to be high enough to not cause issues and low enough to prevent
// overflow problems.
const size_t maxNumber = 4096;
if (numFds >= maxNumber || numInts >= (maxNumber - 10)) { if (numFds >= maxNumber || numInts >= (maxNumber - 10)) {
width = height = stride = format = usage = 0; width = height = stride = format = usage = 0;
handle = NULL; handle = NULL;