UndefinedBehaviorSanitizer: invalid left shift in protobuf-c.c:2086
To Reproduce
Built protobuf-c using clang-10 according to the oss-fuzz script with CXXFLAGS='-O1 -fsanitize=address -fsanitize=array-bounds,bool,builtin,enum,float-divide-by-zero,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unreachable,vla-bound,vptr'
Describe the bug
UndefinedBehaviorSanitizer: invalid left shift in protobuf-c.c:2086
To Reproduce
Built protobuf-c using clang-10 according to the oss-fuzz script with
CXXFLAGS='-O1 -fsanitize=address -fsanitize=array-bounds,bool,builtin,enum,float-divide-by-zero,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unreachable,vla-bound,vptr'commit: f224ab2
UBSAN Output
testcases that trigger the issue:
protobuf-c.zip
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