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Author SHA1 Message Date
Jonas Devlieghere 8511777d3a [WASM] Fix overflow when reading custom section 
When reading a custom WASM section, it was possible that its name
extended beyond the size of the section. This resulted in a bogus value
for the section size due to the size overflowing.

Fixes heap buffer overflow detected by OSS-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8190

Differential revision: https://reviews.llvm.org/D50387

llvm-svn: 339269
 2018-08-08 16:34:03 +00:00
Jonas Devlieghere a845167dca [WebAssembly] Fix overflow for input with missing version 
Differential revision: https://reviews.llvm.org/D37070

llvm-svn: 311605
 2017-08-23 21:36:04 +00:00