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author | nagendra modadugu <ngm@google.com> | 2017-10-26 10:15:37 -0700 |
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committer | chrome-bot <chrome-bot@chromium.org> | 2017-10-26 17:23:37 -0700 |
commit | 0f114d2d7eb1950faab02fe479864da5e5d50414 (patch) | |
tree | f4b9ff8cddc95379473e742cd947ffbe5f7fa912 | |
parent | cb2de5a810df1898cd3ae47d517603b8b12371c0 (diff) | |
download | tpm2-0f114d2d7eb1950faab02fe479864da5e5d50414.tar.gz |
[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>
-rw-r--r-- | CpriMisc.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -29,10 +29,12 @@ BnTo2B( ) { 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); |