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ERR_clear_error at the end of each fuzzer.

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Data allocated in one fuzzer iteration and then freed in the next
complicates the leak checker. Avoid this by dropping hidden global state
at the end of each run.

Change-Id: Ice79704f2754a6b1f40e288df9b97ddd5b3b97d5
Reviewed-on: https://boringssl-review.googlesource.com/11600
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin 2016-10-13 19:03:17 -04:00 committed by Adam Langley
parent 1991af6900
commit 4c0e6c64b6
8 changed files with 17 additions and 1 deletions
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2
fuzz/cert.cc
View File

@ -12,6 +12,7 @@
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/x509.h>
@ -27,5 +28,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
OPENSSL_free(der);
}
X509_free(x509);
ERR_clear_error();
return 0;
}

2
fuzz/client.cc
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@ -15,6 +15,7 @@
#include <assert.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>
@ -290,5 +291,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
}
SSL_free(client);
ERR_clear_error();
return 0;
}

2
fuzz/pkcs8.cc
View File

@ -13,6 +13,7 @@
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/bytestring.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/mem.h>
@ -34,5 +35,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
}
CBB_cleanup(&cbb);
EVP_PKEY_free(pkey);
ERR_clear_error();
return 0;
}

2
fuzz/privkey.cc
View File

@ -12,9 +12,11 @@
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/err.h>
#include <openssl/evp.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
EVP_PKEY_free(d2i_AutoPrivateKey(NULL, &buf, len));
ERR_clear_error();
return 0;
}

4
fuzz/read_pem.cc
View File

@ -12,7 +12,8 @@
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/pem.h>
@ -32,5 +33,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
BIO_free(bio);
ERR_clear_error();
return 0;
}

2
fuzz/server.cc
View File

@ -16,6 +16,7 @@
#include <openssl/bio.h>
#include <openssl/dh.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>
@ -289,5 +290,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
}
SSL_free(server);
ERR_clear_error();
return 0;
}

3
fuzz/spki.cc
View File

@ -13,6 +13,7 @@
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/bytestring.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/mem.h>
@ -21,6 +22,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
CBS_init(&cbs, buf, len);
EVP_PKEY *pkey = EVP_parse_public_key(&cbs);
if (pkey == NULL) {
ERR_clear_error();
return 0;
}
@ -34,5 +36,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
}
CBB_cleanup(&cbb);
EVP_PKEY_free(pkey);
ERR_clear_error();
return 0;
}

1
fuzz/ssl_ctx_api.cc
View File

@ -19,6 +19,7 @@
#include <assert.h>
#include <openssl/bytestring.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/rsa.h>
#include <openssl/ssl.h>