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libsmb: Use talloc_realloc() correctly in resolve_hosts()

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On realloc failure the old value is still around

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2020-09-22 13:52:57 +02:00 committed by Jeremy Allison
parent a357282153
commit c6a11d8dcd
1 changed files with 4 additions and 2 deletions
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6
source3/libsmb/namequery.c
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@ -2819,6 +2819,7 @@ static NTSTATUS resolve_hosts(TALLOC_CTX *mem_ctx,
for (res = ailist; res; res = res->ai_next) {
struct sockaddr_storage ss = {0};
struct sockaddr_storage *tmp = NULL;
if ((res->ai_addr == NULL) ||
(res->ai_addrlen == 0) ||
@ -2839,14 +2840,15 @@ static NTSTATUS resolve_hosts(TALLOC_CTX *mem_ctx,
}
ret_count += 1;
iplist = talloc_realloc(
tmp = talloc_realloc(
mem_ctx, iplist, struct sockaddr_storage,
ret_count);
if (iplist == NULL) {
if (tmp == NULL) {
DEBUG(3,("resolve_hosts: malloc fail !\n"));
freeaddrinfo(ailist);
return NT_STATUS_NO_MEMORY;
}
iplist = tmp;
iplist[i] = ss;
i++;
}