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https://issues.apache.org/jira/browse/GUACAMOLE-194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robin updated GUACAMOLE-194:
----------------------------
Attachment: GATEWAY2-logs.zip
> Double free() in guac_common_ssh_destroy_user()
> -----------------------------------------------
>
> Key: GUACAMOLE-194
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-194
> Project: Guacamole
> Issue Type: Bug
> Components: guacd
> Affects Versions: 0.9.10-incubating
> Environment: guacd docker container on ubuntu and debian
> Reporter: Robin
> Attachments: GATEWAY1-logs.zip, GATEWAY2-logs.zip, guacd-stack
> trace.txt
>
>
> We are heavy users of the RDP feature with SSH/SFTP for file downloads and
> uploads. We are seeing frequent guacd crashes, even the first session log
> off can cause a crash.
> After a few sessions (Sometimes hundreds, often thousands) the container
> becomes unstable, causes very high system load and no new connections via
> guacamole are possible. We typically also see the virtual docker Ethernet
> adapter enter the disabled state.
> {code:none|title=https://github.com/apache/incubator-guacamole-server/blob/d831a4b9dfee685d2c00f83dabff59d0be917496/src/common-ssh/guac_ssh_user.c}
> void guac_common_ssh_destroy_user(guac_common_ssh_user* user) {
> /* Free private key, if present */
> if (user->private_key != NULL)
> guac_common_ssh_key_free(user->private_key);
> /* Free all other data */
> free(user->password);
> free(user->username);
> free(user);
> }
> {code}
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