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https://issues.apache.org/jira/browse/GUACAMOLE-1517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Couchman updated GUACAMOLE-1517:
-------------------------------------
Fix Version/s: 1.6.1
> data->written is not initialized in guac_socket_nest()
> ------------------------------------------------------
>
> Key: GUACAMOLE-1517
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1517
> Project: Guacamole
> Issue Type: Bug
> Components: libguac
> Reporter: Andreas Vögele
> Assignee: James Muehlner
> Priority: Trivial
> Fix For: 1.6.1
>
>
> data->written needs to be set to 0 in guac_socket_nest() in
> src/libguac/socket-nest.c. Alternatively the "data" structure could be
> allocated with calloc() instead of malloc().
> The tests may fail and produce a core dump if data->written is not
> initialized.
> {code:java}
> /* Store nested socket details as socket data */
> data->parent = parent;
> data->index = index;
> data->written = 0; // <----
> socket->data = data;{code}
> There's also the following code in
> src/libguac/tests/socket/nested_send_instruction.c:
> {code:java}
> guac_socket* nested_socket = guac_socket_nest(socket, 123);
> /* Write nothing if nested socket cannot be allocated (test will fail in
> * parent process due to failure to read) */
> if (socket == NULL) {
> guac_socket_free(socket);
> return;
> }
> {code}
> Shouldn't the if-condition check nested_socket?
> {code:java}
> if (nested_socket == NULL){code}
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