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Merge pull request #244 from 903d09f6-e821-4655-9e8b-7e6068b26f74/fix

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Fix Potential Handler Leaks in the c/kubernetes/config/
This commit is contained in:
Kubernetes Prow Robot
2024-07-23 09:34:40 -07:00
committed by GitHub
parent 35d313f4ab b448cd1147
commit 2d93989a21
2 changed files with 12 additions and 6 deletions
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17
kubernetes/config/exec_provider.c
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@@ -75,7 +75,8 @@ int kube_exec_and_get_result(ExecCredential_t * exec_credential, const kubeconfi
result_string = calloc(1, KUBECONFIG_EXEC_RESULT_BUFFER_SIZE); result_string = calloc(1, KUBECONFIG_EXEC_RESULT_BUFFER_SIZE);
if (!result_string) { if (!result_string) {
fprintf(stderr, "%s: Cannot allocate memory for command result.[%s]\n", fname, strerror(errno)); fprintf(stderr, "%s: Cannot allocate memory for command result.[%s]\n", fname, strerror(errno));
return -1; rc = -1;
goto end;
} }
int result_string_remaining_size = KUBECONFIG_EXEC_RESULT_BUFFER_SIZE - 1; int result_string_remaining_size = KUBECONFIG_EXEC_RESULT_BUFFER_SIZE - 1;
char string_buf[KUBECONFIG_STRING_BUFFER_SIZE]; char string_buf[KUBECONFIG_STRING_BUFFER_SIZE];
@@ -90,11 +91,6 @@ int kube_exec_and_get_result(ExecCredential_t * exec_credential, const kubeconfi
strncat(result_string, string_buf, strlen(string_buf)); strncat(result_string, string_buf, strlen(string_buf));
memset(string_buf, 0, sizeof(string_buf)); memset(string_buf, 0, sizeof(string_buf));
} }
#ifndef _WIN32
pclose(fp);
#else
_pclose(fp);
#endif
} else { } else {
fprintf(stderr, "%s: Cannot open pipe to run command.[%s]\n", fname, strerror(errno)); fprintf(stderr, "%s: Cannot open pipe to run command.[%s]\n", fname, strerror(errno));
return -1; return -1;
@@ -105,7 +101,16 @@ int kube_exec_and_get_result(ExecCredential_t * exec_credential, const kubeconfi
end: end:
if (result_string) { if (result_string) {
free(result_string); free(result_string);
result_string = NULL;
} }
if (fp) {
#ifndef _WIN32
pclose(fp);
#else
_pclose(fp);
#endif
fp = NULL;
}
return rc; return rc;
} }

1
kubernetes/config/kube_config_yaml.c
View File

@@ -1065,6 +1065,7 @@ int kubeyaml_save_kubeconfig(const kubeconfig_t * kubeconfig)
/* Initialize the emitter object. */ /* Initialize the emitter object. */
if (!yaml_emitter_initialize(&emitter)) { if (!yaml_emitter_initialize(&emitter)) {
fprintf(stderr, "%s: Could not initialize the emitter object\n", fname); fprintf(stderr, "%s: Could not initialize the emitter object\n", fname);
fclose(output);
return -1; return -1;
} }