Remove redundant BIO_write() length assertions in b64_write()

b64_write() asserted that BIO_write() does not return more bytes than
requested in two places. Other BIO_write() call sites do not make this
check, and there is no special handling here that depends on asserting this
condition.

ok tb@ beck@ joshua@

1 files changed, 1 insertions, 3 deletions

diff --git a/src/lib/libcrypto/evp/bio_b64.c b/src/lib/libcrypto/evp/bio_b64.c
index 32cd1f06df..61a26df868 100644
--- a/src/lib/libcrypto/evp/bio_b64.c
+++ b/src/lib/libcrypto/evp/bio_b64.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio_b64.c,v 1.29 2024/04/09 13:52:41 beck Exp $ */
+/* $OpenBSD: bio_b64.c,v 1.30 2026/07/17 12:41:52 kenjiro Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -380,7 +380,6 @@ b64_write(BIO *b, const char *in, int inl)
                         BIO_copy_next_retry(b);
                         return (i);
                 }
-                OPENSSL_assert(i <= n);
                 ctx->buf_off += i;
                 OPENSSL_assert(ctx->buf_off <= (int)sizeof(ctx->buf));
                 OPENSSL_assert(ctx->buf_len >= ctx->buf_off);
@@ -453,7 +452,6 @@ b64_write(BIO *b, const char *in, int inl)
                                 BIO_copy_next_retry(b);
                                 return ((ret == 0) ? i : ret);
                         }
-                        OPENSSL_assert(i <= n);
                         n -= i;
                         ctx->buf_off += i;
                         OPENSSL_assert(ctx->buf_off <= (int)sizeof(ctx->buf));