diff options
| author | Rich Salz <rsalz@akamai.com> | 2015-05-01 23:10:31 -0400 |
|---|---|---|
| committer | Rich Salz <rsalz@openssl.org> | 2015-05-04 15:00:13 -0400 |
| commit | b4faea50c35d92a67d1369355b49cc3efba78406 (patch) | |
| tree | cfebea69d625f936c9fd7281f1fa3eaa2fa38834 /crypto/mem_dbg.c | |
| parent | 8920a7cd04f43b1a090d0b0a8c9e16b94c6898d4 (diff) | |
Use safer sizeof variant in malloc
For a local variable:
TYPE *p;
Allocations like this are "risky":
p = OPENSSL_malloc(sizeof(TYPE));
if the type of p changes, and the malloc call isn't updated, you
could get memory corruption. Instead do this:
p = OPENSSL_malloc(sizeof(*p));
Also fixed a few memset() calls that I noticed while doing this.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/mem_dbg.c')
| -rw-r--r-- | crypto/mem_dbg.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/mem_dbg.c b/crypto/mem_dbg.c index dee1fb98f9..98c17dda19 100644 --- a/crypto/mem_dbg.c +++ b/crypto/mem_dbg.c @@ -394,7 +394,7 @@ int CRYPTO_push_info_(const char *info, const char *file, int line) if (is_MemCheck_on()) { MemCheck_off(); /* obtain MALLOC2 lock */ - if ((ami = OPENSSL_malloc(sizeof(APP_INFO))) == NULL) { + if ((ami = OPENSSL_malloc(sizeof(*ami))) == NULL) { ret = 0; goto err; } @@ -478,7 +478,7 @@ void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, if (is_MemCheck_on()) { MemCheck_off(); /* make sure we hold MALLOC2 lock */ - if ((m = OPENSSL_malloc(sizeof(MEM))) == NULL) { + if ((m = OPENSSL_malloc(sizeof(*m))) == NULL) { OPENSSL_free(addr); MemCheck_on(); /* release MALLOC2 lock if num_disabled drops * to 0 */ |