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lib: survive some NULL input args

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The input string pointer to:

curl_escape
curl_easy_escape
curl_unescape
curl_easy_unescape

The running_handles pointer to:

curl_multi_perform
curl_multi_socket_action
curl_multi_socket_all
curl_multi_socket

Reported-by: icy17 on github
Fixes #14247
Closes #14262
This commit is contained in:
Daniel Stenberg 2024-07-23 11:06:56 +02:00
parent 2a59c8d4ce
commit 0795014caa
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GPG key ID: 5CC908FDB71E12C2
2 changed files with 6 additions and 4 deletions
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6
lib/multi.c
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@ -2778,7 +2778,8 @@ CURLMcode curl_multi_perform(struct Curl_multi *multi, int *running_handles)
}
} while(t);
*running_handles = (int)multi->num_alive;
if(running_handles)
*running_handles = (int)multi->num_alive;
if(CURLM_OK >= returncode)
returncode = Curl_update_timer(multi);
@ -3302,7 +3303,8 @@ static CURLMcode multi_socket(struct Curl_multi *multi,
if(first)
sigpipe_restore(&pipe_st);
*running_handles = (int)multi->num_alive;
if(running_handles)
*running_handles = (int)multi->num_alive;
return result;
}