tree 3be4bb13b1f56e88f9bebd04875656673c5f728f
parent 8d100366e517da7816b71f41b52555959bb97db2
author David Benjamin <davidben@chromium.org> 1441081306 -0400
committer Adam Langley <agl@google.com> 1441134601 +0000

Fix spurious bn_test failures.

BN_rand generates a single-word zero BIGNUM with quite a large
probability.

A zero BIGNUM in turn will end up having a NULL |d|-buffer, which we
shouldn't dereference without checking.

(Imported from upstream's 9c989aaa749d88b63bef5d5beeb3046eae62d836.)

Change-Id: Ic4d113e4fcf4ea4c0a4e905a1c4ba3fb758d9fc6
Reviewed-on: https://boringssl-review.googlesource.com/5782
Reviewed-by: Adam Langley <agl@google.com>