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No if xfree #7839

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merged 12 commits into from
Aug 7, 2024
Merged

No if xfree #7839

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a0b2da9
Remove `if(ptr) XFREE(ptr)`
Aug 5, 2024
d7a0f49
Programmatically remove NULL test before XFREE
Aug 6, 2024
eb0c64d
Remove NULL test when there is a dereference
Aug 6, 2024
208f2d6
One more occurrence
Aug 6, 2024
d6a7187
Programmatically remove NULL test with { XFREE() }
Aug 6, 2024
d350ba6
remove NULL test with XFREE arguments with dereference
Aug 6, 2024
f419e23
Remove NULL test with 'ptr = NULL' at the end
Aug 6, 2024
3a83c33
Fix compilation error
Aug 6, 2024
101088c
Fix potential NULL dereference
Aug 6, 2024
b6a9c38
Addressing PR comments
Aug 6, 2024
a31d8c5
Addressing PR comments
Aug 7, 2024
38d191c
More PR comment fixes
Aug 7, 2024
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1 change: 1 addition & 0 deletions IDE/CRYPTOCELL/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -401,6 +401,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/GCC-ARM/Header/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -419,6 +419,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/NETOS/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -410,6 +410,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/RISCV/SIFIVE-HIFIVE1/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -397,6 +397,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
12 changes: 3 additions & 9 deletions IDE/Renesas/e2studio/RA6M4/test/src/test_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -151,17 +151,11 @@ void Clr_CallbackCtx(FSPSM_ST *g)
(void) g;

#if defined(WOLFSSL_RENESAS_SCEPROTECT_CRYPTONLY)
if (g->wrapped_key_rsapri2048 != NULL)
XFREE(g->wrapped_key_rsapri2048,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->wrapped_key_rsapri2048, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (g->wrapped_key_rsapub2048 != NULL)
XFREE(g->wrapped_key_rsapub2048,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->wrapped_key_rsapub2048, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (g->wrapped_key_rsapri1024 != NULL)
XFREE(g->wrapped_key_rsapri1024,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->wrapped_key_rsapri1024, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (g->wrapped_key_rsapub2048 != NULL)
XFREE(g->wrapped_key_rsapub1024,
Expand Down
28 changes: 7 additions & 21 deletions IDE/Renesas/e2studio/RA6M4/test/src/wolfssl_sce_unit_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -691,18 +691,10 @@ static int sce_rsa_test(int prnt, int keySize)
wc_FreeRsaKey(key);
XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in != NULL) {
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in2 != NULL) {
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out != NULL) {
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out2 != NULL) {
XFREE(out2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out2, NULL, DYNAMIC_TYPE_TMP_BUFFER);

return ret;
}
Expand Down Expand Up @@ -778,15 +770,9 @@ static int sce_rsa_SignVerify_test(int prnt, int keySize)
wc_FreeRsaKey(key);
XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in != NULL) {
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in2 != NULL) {
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out != NULL) {
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);

return ret;
}
Expand Down
28 changes: 7 additions & 21 deletions IDE/Renesas/e2studio/RX72N/EnvisionKit/wolfssl_demo/wolfssl_tsip_unit_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -107,21 +107,13 @@ typedef struct tagInfo

void Clr_CallbackCtx(TsipUserCtx *g)
{
if (g->rsa1024pri_keyIdx != NULL)
XFREE(g->rsa1024pri_keyIdx,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->rsa1024pri_keyIdx, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (g->rsa1024pub_keyIdx != NULL)
XFREE(g->rsa1024pub_keyIdx,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->rsa1024pub_keyIdx, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (g->rsa2048pri_keyIdx != NULL)
XFREE(g->rsa2048pri_keyIdx,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->rsa2048pri_keyIdx, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (g->rsa2048pub_keyIdx != NULL)
XFREE(g->rsa2048pub_keyIdx,
NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(g->rsa2048pub_keyIdx, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XMEMSET(g, 0, sizeof(TsipUserCtx));
}

Expand Down Expand Up @@ -789,15 +781,9 @@ static int tsip_rsa_SignVerify_test(int prnt, int keySize)
wc_FreeRsaKey(key);
XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in != NULL) {
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in2 != NULL) {
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out != NULL) {
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);

return ret;
}
Expand Down
28 changes: 7 additions & 21 deletions IDE/Renesas/e2studio/RZN2L/test/src/test/wolfssl_rsip_unit_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -718,18 +718,10 @@ static int rsip_rsa_test(int prnt, int keySize)
wc_FreeRsaKey(key);
XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in != NULL) {
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in2 != NULL) {
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out != NULL) {
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out2 != NULL) {
XFREE(out2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out2, NULL, DYNAMIC_TYPE_TMP_BUFFER);

(void) prnt;
return ret;
Expand Down Expand Up @@ -808,15 +800,9 @@ static int rsip_rsa_SignVerify_test(int prnt, int keySize)
wc_FreeRsaKey(key);
XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in != NULL) {
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (in2 != NULL) {
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
if (out != NULL) {
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(in, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(in2, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(out, NULL, DYNAMIC_TYPE_TMP_BUFFER);

return ret;
}
Expand Down
1 change: 1 addition & 0 deletions IDE/STARCORE/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -417,6 +417,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
8 changes: 2 additions & 6 deletions IDE/STM32Cube/wolfssl_example.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1700,9 +1700,7 @@ static int tls13_uart_server(void)
}

#ifdef WOLFSSL_SMALL_STACK
if (tbuf != NULL) {
XFREE(tbuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(tbuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif

return ret;
Expand Down Expand Up @@ -1795,9 +1793,7 @@ static int tls13_uart_client(void)
wolfSSL_CTX_free(ctx);
}
#ifdef WOLFSSL_SMALL_STACK
if (tbuf != NULL) {
XFREE(tbuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
XFREE(tbuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif

return ret;
Expand Down
1 change: 1 addition & 0 deletions IDE/SimplicityStudio/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/WICED-STUDIO/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -411,6 +411,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/WINCE/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -491,6 +491,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/XCODE-FIPSv2/macOS-C++/Intel/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -407,6 +407,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/XCODE-FIPSv2/macOS-C++/M1/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -418,6 +418,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/XCODE-FIPSv2/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -419,6 +419,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions IDE/XCODE-FIPSv5/user_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -500,6 +500,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
1 change: 1 addition & 0 deletions examples/configs/user_settings_template.h
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Original file line number Diff line number Diff line change
Expand Up @@ -354,6 +354,7 @@ extern "C" {

/* prototypes for user heap override functions */
/* Note: Realloc only required for normal math */
/* Note2: XFREE(NULL) must be properly handled */
#include <stddef.h> /* for size_t */
extern void *myMalloc(size_t n, void* heap, int type);
extern void myFree(void *p, void* heap, int type);
Expand Down
6 changes: 2 additions & 4 deletions examples/server/server.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3533,10 +3533,8 @@ THREAD_RETURN WOLFSSL_THREAD server_test(void* args)

size = wolfSSL_get_server_random(ssl, rnd, size);
if (size == 0) {
if (rnd) {
XFREE(rnd, NULL, DYNAMIC_TYPE_TMP_BUFFER);
rnd = NULL;
}
XFREE(rnd, NULL, DYNAMIC_TYPE_TMP_BUFFER);
rnd = NULL;
err_sys_ex(runWithErrors, "error getting server random buffer");
}

Expand Down
49 changes: 16 additions & 33 deletions linuxkm/lkcapi_glue.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2451,34 +2451,25 @@ static int aes_xts_128_test(void)

test_xts_end:

if (enc2)
XFREE(enc2, NULL, DYNAMIC_TYPE_AES);
if (dec2)
XFREE(dec2, NULL, DYNAMIC_TYPE_AES);
if (src)
XFREE(src, NULL, DYNAMIC_TYPE_AES);
if (dst)
XFREE(dst, NULL, DYNAMIC_TYPE_AES);
XFREE(enc2, NULL, DYNAMIC_TYPE_AES);
XFREE(dec2, NULL, DYNAMIC_TYPE_AES);
XFREE(src, NULL, DYNAMIC_TYPE_AES);
XFREE(dst, NULL, DYNAMIC_TYPE_AES);
if (req)
skcipher_request_free(req);
if (tfm)
crypto_free_skcipher(tfm);

out:

if (large_input)
XFREE(large_input, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(large_input, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (aes_inited)
wc_AesXtsFree(aes);

if (buf)
XFREE(buf, NULL, DYNAMIC_TYPE_AES);
if (cipher)
XFREE(cipher, NULL, DYNAMIC_TYPE_AES);

if (aes)
XFREE(aes, NULL, DYNAMIC_TYPE_AES);
XFREE(buf, NULL, DYNAMIC_TYPE_AES);
XFREE(cipher, NULL, DYNAMIC_TYPE_AES);
XFREE(aes, NULL, DYNAMIC_TYPE_AES);

#undef AES_XTS_128_TEST_BUF_SIZ

Expand Down Expand Up @@ -2939,34 +2930,26 @@ static int aes_xts_256_test(void)

test_xts_end:

if (enc2)
XFREE(enc2, NULL, DYNAMIC_TYPE_AES);
if (dec2)
XFREE(dec2, NULL, DYNAMIC_TYPE_AES);
if (src)
XFREE(src, NULL, DYNAMIC_TYPE_AES);
if (dst)
XFREE(dst, NULL, DYNAMIC_TYPE_AES);
XFREE(enc2, NULL, DYNAMIC_TYPE_AES);
XFREE(dec2, NULL, DYNAMIC_TYPE_AES);
XFREE(src, NULL, DYNAMIC_TYPE_AES);
XFREE(dst, NULL, DYNAMIC_TYPE_AES);
if (req)
skcipher_request_free(req);
if (tfm)
crypto_free_skcipher(tfm);

out:

if (large_input)
XFREE(large_input, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(large_input, NULL, DYNAMIC_TYPE_TMP_BUFFER);

if (aes_inited)
wc_AesXtsFree(aes);

if (buf)
XFREE(buf, NULL, DYNAMIC_TYPE_AES);
if (cipher)
XFREE(cipher, NULL, DYNAMIC_TYPE_AES);
XFREE(buf, NULL, DYNAMIC_TYPE_AES);
XFREE(cipher, NULL, DYNAMIC_TYPE_AES);

if (aes)
XFREE(aes, NULL, DYNAMIC_TYPE_AES);
XFREE(aes, NULL, DYNAMIC_TYPE_AES);

#undef AES_XTS_256_TEST_BUF_SIZ

Expand Down
15 changes: 5 additions & 10 deletions linuxkm/module_hooks.c
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Original file line number Diff line number Diff line change
Expand Up @@ -803,16 +803,11 @@ static int updateFipsHash(void)

if (tfm != NULL)
crypto_free_shash(tfm);
if (desc != NULL)
XFREE(desc, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (hash != NULL)
XFREE(hash, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (base16_hash != NULL)
XFREE(base16_hash, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (binCoreKey != NULL)
XFREE(binCoreKey, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (binVerify != NULL)
XFREE(binVerify, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(desc, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(hash, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(base16_hash, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(binCoreKey, NULL, DYNAMIC_TYPE_TMP_BUFFER);
XFREE(binVerify, NULL, DYNAMIC_TYPE_TMP_BUFFER);

return ret;
}
Expand Down
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