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Merge remote-tracking branch 'rasp/mem-leak' into development

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* rasp/mem-leak:
  Fix another potential memory leak found by find-mem-leak.cocci.
  Add a rule for another type of memory leak to find-mem-leak.cocci.
  Fix a potential memory leak found by find-mem-leak.cocci.
  Add a semantic patch to find potential memory leaks.
  Fix whitespace of 369e6c20.
  Apply the semantic patch rm-malloc-cast.cocci.
  Add a semantic patch to remove casts of malloc.

Conflicts:
	programs/ssl/ssl_server2.c
This commit is contained in:
Manuel Pégourié-Gonnard 2015-02-18 10:07:22 +00:00
commit ac08b543db
2 changed files with 26 additions and 1 deletions
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7
library/ssl_tls.c
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@ -4064,8 +4064,13 @@ int ssl_set_psk( ssl_context *ssl, const unsigned char *psk, size_t psk_len,
ssl->psk = polarssl_malloc( ssl->psk_len ); ssl->psk = polarssl_malloc( ssl->psk_len );
ssl->psk_identity = polarssl_malloc( ssl->psk_identity_len ); ssl->psk_identity = polarssl_malloc( ssl->psk_identity_len );
if( ssl->psk == NULL || ssl->psk_identity == NULL ) if( ssl->psk == NULL )
return( POLARSSL_ERR_SSL_MALLOC_FAILED ); return( POLARSSL_ERR_SSL_MALLOC_FAILED );
if( ssl->psk_identity == NULL )
{
polarssl_free( ssl->psk );
return( POLARSSL_ERR_SSL_MALLOC_FAILED );
}
memcpy( ssl->psk, psk, ssl->psk_len ); memcpy( ssl->psk, psk, ssl->psk_len );
memcpy( ssl->psk_identity, psk_identity, ssl->psk_identity_len ); memcpy( ssl->psk_identity, psk_identity, ssl->psk_identity_len );

20
scripts/find-mem-leak.cocci Normal file
View file

@ -0,0 +1,20 @@
@@
expression x, y;
statement S;
@@
x = polarssl_malloc(...);
y = polarssl_malloc(...);
...
* if (x == NULL || y == NULL)
S
@@
expression x, y;
statement S;
@@
if (
* (x = polarssl_malloc(...)) == NULL
||
* (y = polarssl_malloc(...)) == NULL
)
S