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fix use after free iface

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Signed-off-by: yexiaokang <yexiaokang3@huawei.com>
This commit is contained in:
yexiaokang
2025-06-26 17:19:09 +08:00
committed by Agrant
parent 131e19869e
commit 7de77117b0
1 changed files with 10 additions and 0 deletions
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nstackx_ctrl/core/coap_discover/coap_discover.c
+10
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@@ -345,6 +345,11 @@ static int32_t HndPostServiceDiscoverEx(coap_session_t *session, const coap_pdu_
goto L_ERR;
}
if (coapCtx->freeCtxLater == NSTACKX_TRUE) {
DFINDER_LOGE(TAG, "coapCtx is will free");
goto L_ERR;
}
if (strcpy_s(deviceInfo->networkName, sizeof(deviceInfo->networkName),
GetLocalIfaceName(coapCtx->iface)) != EOK) {
DFINDER_LOGE(TAG, "copy local network name %s fail", GetLocalIfaceName(coapCtx->iface));
@@ -640,6 +645,11 @@ static void HndPostServiceMsg(coap_resource_t *resource, coap_session_t *session
static int32_t CoapPostServiceDiscoverEx(CoapCtxType *ctx)
{
if (ctx->freeCtxLater == NSTACKX_TRUE) {
DFINDER_LOGE(TAG, "ctx is will free");
return NSTACKX_EFAILED;
}
char broadcastIp[NSTACKX_MAX_IP_STRING_LEN] = {0};
if (GetBroadcastIp(ctx->iface, broadcastIp, sizeof(broadcastIp)) != NSTACKX_EOK) {
DFINDER_LOGE(TAG, "get broadcast ip failed");