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Fix uninitialised stack-based buffers

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This commit is contained in:
Jean-Michel Picod 2023-01-26 01:13:27 +01:00
parent 40f37c2c42
commit 86d26f9464
1 changed files with 4 additions and 4 deletions
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8
client/src/util.c
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@ -266,7 +266,7 @@ void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) {
uint8_t mod = len % breaks;
if (mod) {
char buf[UTIL_BUFFER_SIZE_SPRINT + 3];
char buf[UTIL_BUFFER_SIZE_SPRINT + 3] = {0};
hex_to_buffer((uint8_t *)buf, data + i, mod, (sizeof(buf) - 1), 0, 1, true);
// add the spaces...
@ -291,7 +291,7 @@ void print_hex_noascii_break(const uint8_t *data, const size_t len, uint8_t brea
uint8_t mod = len % breaks;
if (mod) {
char buf[UTIL_BUFFER_SIZE_SPRINT + 3];
char buf[UTIL_BUFFER_SIZE_SPRINT + 3] = {0};
hex_to_buffer((uint8_t *)buf, data + i, mod, (sizeof(buf) - 1), 0, 0, true);
// add the spaces...
@ -307,7 +307,7 @@ static void print_buffer_ex(const uint8_t *data, const size_t len, int level, ui
if ((data == NULL) || (len < 1))
return;
char buf[UTIL_BUFFER_SIZE_SPRINT + 3];
char buf[UTIL_BUFFER_SIZE_SPRINT + 3] = {0};
int i;
for (i = 0; i < len; i += breaks) {
@ -614,7 +614,7 @@ void bytes_to_bytebits(const void *src, const size_t srclen, void *dest) {
// hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
// up to 64 bytes or 512 bits
uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize) {
static uint8_t buf[64];
static uint8_t buf[64] = {0};
memset(buf, 0x00, 64);
uint8_t *tmp = buf;
for (uint8_t block = 0; block < (uint8_t)(len / blockSize); block++) {