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Fix fuzzer crash in SkReadBuffer::readTypeface()

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BUG=skia:7398

Change-Id: I1d0f7a37c6f02ec5f621f7c1b5983b668530dcd9
Reviewed-on: https://skia-review.googlesource.com/83561
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
This commit is contained in:
Florin Malita 2017-12-11 15:22:15 -05:00 committed by Skia Commit-Bot
parent 7fdd862512
commit bb091a08d1
1 changed files with 1 additions and 1 deletions
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2
src/core/SkReadBuffer.cpp
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@ -392,7 +392,7 @@ sk_sp<SkTypeface> SkReadBuffer::readTypeface() {
} else { // custom
size_t size = sk_negate_to_size_t(index);
const void* data = this->skip(size);
if (!this->validate(data != nullptr)) {
if (!this->validate(data != nullptr && fProcs.fTypefaceProc)) {
return nullptr;
}
return fProcs.fTypefaceProc(data, size, fProcs.fTypefaceCtx);