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fix(security): improve memory allocation handling in multiple components

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This commit is contained in:
Ashish Sharma
2025-07-17 11:17:06 +08:00
parent 8886097fe4
commit 6b02906822
11 changed files with 107 additions and 38 deletions
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7
components/esp_http_server/src/httpd_parse.c
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@@ -505,11 +505,14 @@ static int read_block(httpd_req_t *req, http_parser *parser, size_t offset, size
from where the reading will start and buf_len is till what length
the buffer will be read.
*/
raux->scratch = (char*) realloc(raux->scratch, offset + buf_len);
if (raux->scratch == NULL) {
char *new_scratch = (char *) realloc(raux->scratch, offset + buf_len);
if (new_scratch == NULL) {
free(raux->scratch);
raux->scratch = NULL;
ESP_LOGE(TAG, "Unable to allocate the scratch buffer");
return 0;
}
raux->scratch = new_scratch;
parser_data->last.at = raux->scratch + at_offset;
raux->scratch_cur_size = offset + buf_len;
ESP_LOGD(TAG, "scratch buf qsize = %d", raux->scratch_cur_size);