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Check for nullptrs when fuzzing region_deserialize

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Bug: oss-fuzz:5629
Change-Id: I1129a6a9a68c69e07ab63e2e2be1c00cf0581962
Reviewed-on: https://skia-review.googlesource.com/102482
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
This commit is contained in:
Kevin Lubick 2018-02-01 09:45:11 -05:00 committed by Skia Commit-Bot
parent 08895c4814
commit a71b8d17e8
1 changed files with 5 additions and 1 deletions
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6
fuzz/oss_fuzz/FuzzRegionDeserialize.cpp
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@ -24,7 +24,11 @@ bool FuzzRegionDeserialize(sk_sp<SkData> bytes) {
} else { } else {
region.contains(1,1); region.contains(1,1);
} }
auto s = SkSurface::MakeRasterN32Premul(1024, 1024); auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
// May return nullptr in memory-constrained fuzzing environments
return false;
}
s->getCanvas()->drawRegion(region, SkPaint()); s->getCanvas()->drawRegion(region, SkPaint());
SkDEBUGCODE(region.validate()); SkDEBUGCODE(region.validate());
return true; return true;