Add NULL checks to EVP_MD_CTX_cleanse/cleanup #1519
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samuel40791765
approved these changes
Apr 9, 2024
| @@ -114,6 +117,9 @@ int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) { | |||
| } | |||
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| void EVP_MD_CTX_cleanse(EVP_MD_CTX *ctx) { | |||
| if (ctx == NULL || ctx->md_data == NULL || ctx->digest == NULL) { | |||
| return; | |||
| } | |||
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NP: Normally all ctx->digest should have a ctx_size, but would it be worth considering adding assert(ctx->digest->ctx_size != NULL && sizeof(ctx->md_data) == ctx->digest->ctx_size) if we're adding new checks?
skmcgrail
approved these changes
Apr 9, 2024
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Issues:
Resolves P125068189
Description of changes:
Add NULL checks to EVP_MD_CTX_cleanse/cleanup.
Call-outs:
Point out areas that need special attention or support during the review process. Discuss architecture or design changes.
Testing:
How is this change tested (unit tests, fuzz tests, etc.)? Are there any testing steps to be verified by the reviewer?
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.