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Cast to an unsigned type before negating
author
Kurt Roeckx
<kurt@roeckx.be>
Sun, 17 Jul 2016 13:28:09 +0000
(15:28 +0200)
committer
Kurt Roeckx
<kurt@roeckx.be>
Wed, 20 Jul 2016 17:25:16 +0000
(19:25 +0200)
llvm's ubsan reported:
runtime error: negation of -
9223372036854775808
cannot be represented in type
'long'; cast to an unsigned type to negate this value to itself
Found using afl
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #1325
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