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The assignment to `bptr` calls `BIO_get_mem_ptr` which can fail and leave the `bptr` as nullptr. This then later causes a null pointer deref. This is inconsistent with uses of the similar function `BIO_get_mem_data` that do check its return value, e.g. `node::crypto::X509sToArrayOfStrings()`. Solve it by checking for a null pointer and handling the `Nothing` return value at the call sites. PR-URL: #61885 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
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