From 61052e891e0686ac3b08dd3b0e0b20fd4c786cc4 Mon Sep 17 00:00:00 2001 From: Martin Brejcha Date: Sun, 16 Nov 2014 17:04:40 +0000 Subject: [PATCH] Fix memory leak. Fix memory leak by freeing up saved_message.data if it is not NULL. PR#3489 Reviewed-by: Stephen Henson Reviewed-by: Tim Hudson (cherry picked from commit 41cd41c4416f545a18ead37e09e437c75fa07c95) --- crypto/bio/bss_dgram.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c index 53588e17ce..0decf9449b 100644 --- a/crypto/bio/bss_dgram.c +++ b/crypto/bio/bss_dgram.c @@ -1046,7 +1046,12 @@ static int dgram_sctp_free(BIO *a) return 0; data = (bio_dgram_sctp_data *)a->ptr; - if(data != NULL) OPENSSL_free(data); + if(data != NULL) + { + if(data->saved_message.data != NULL) + OPENSSL_free(data->saved_message.data); + OPENSSL_free(data); + } return(1); } @@ -1163,6 +1168,7 @@ static int dgram_sctp_read(BIO *b, char *out, int outl) dgram_sctp_write(data->saved_message.bio, data->saved_message.data, data->saved_message.length); OPENSSL_free(data->saved_message.data); + data->saved_message.data = NULL; data->saved_message.length = 0; } @@ -1334,9 +1340,11 @@ static int dgram_sctp_write(BIO *b, const char *in, int inl) if (data->save_shutdown && !BIO_dgram_sctp_wait_for_dry(b)) { data->saved_message.bio = b; - data->saved_message.length = inl; + if (data->saved_message.data) + OPENSSL_free(data->saved_message.data); data->saved_message.data = OPENSSL_malloc(inl); memcpy(data->saved_message.data, in, inl); + data->saved_message.length = inl; return inl; } -- 2.25.1