[oss-fuzz] fix clang compiler error
Fix size_t compare with < 0 in CpriMisc.c
Issue reported here:
https://github.com/google/oss-fuzz/issues/859
Change-Id: I908c674f11d16bf9a795fe0c9e5c0fd0b467b1dc
Reviewed-on: https://chromium-review.googlesource.com/739946
Commit-Ready: Nagendra Modadugu <ngm@google.com>
Tested-by: Nagendra Modadugu <ngm@google.com>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
diff --git a/CpriMisc.c b/CpriMisc.c
index e809dce..edc5c4b 100644
--- a/CpriMisc.c
+++ b/CpriMisc.c
@@ -29,10 +29,12 @@
)
{
BYTE *pb = outVal->buffer;
+ UINT16 unpaddedSize = (((UINT16) BN_num_bits(inVal) + 7) / 8);
outVal->size = size;
- size = size - (((UINT16) BN_num_bits(inVal) + 7) / 8);
- if(size < 0)
+ if(size < unpaddedSize)
return FALSE;
+
+ size -= unpaddedSize;
for(;size > 0; size--)
*pb++ = 0;
BN_bn2bin(inVal, pb);