From 1bfdbd8e75a70ca2d59e868f0b8947b661f709fd Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Tue, 26 Jan 2010 18:07:26 +0000 Subject: [PATCH] PR: 2138 Submitted by: Kevin Regan Clear stat structure if -DPURIFY is set to avoid problems on some platforms which include unitialised fields. --- crypto/rand/randfile.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/crypto/rand/randfile.c b/crypto/rand/randfile.c index 7dc4ceae8e..4ed40b7b70 100644 --- a/crypto/rand/randfile.c +++ b/crypto/rand/randfile.c @@ -118,6 +118,14 @@ int RAND_load_file(const char *file, long bytes) if (file == NULL) return(0); #ifndef OPENSSL_NO_POSIX_IO +#ifdef PURIFY + /* struct stat can have padding and unused fields that may not be + * initialized in the call to stat(). We need to clear the entire + * structure before calling RAND_add() to avoid complaints from + * applications such as Valgrind. + */ + memset(&sb, 0, sizeof(sb)); +#endif if (stat(file,&sb) < 0) return(0); RAND_add(&sb,sizeof(sb),0.0); #endif -- 2.25.1