FWIW, a few years ago I had a strange crash that was happening with RDP
audio enabled. It turned out that I had some leftover files from a
different version of FreeRDP that were getting loaded when audio was
enabled. Check your ldconfig output and make sure everything looks sane.
On Tue, Oct 25, 2022 at 9:41 AM Nick Couchman <vn...@apache.org> wrote:
>
>
> On Fri, Oct 21, 2022 at 3:30 PM Dylan Francis <dylanfrancish...@gmail.com>
> wrote:
>
>> The logs generated from my most recent connection attempt are below.
>> It is now creating the user folder within /etc/guacamole/share after I
>> updated the web ui to /etc/guacamole/share/${GUAC_USERNAME}
>> There is no guacd user on the machine, if that makes a difference.
>> I have included the Device Redirection section below as well, if that is
>> beneficial.
>>
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: Creating new client for
>> protocol "rdp"
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[213659]:
>> INFO:#011Creating new client for protocol "rdp"
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[213659]:
>> INFO:#011Connection ID is "$d3aef13c-823d-4130-a36f-f73deaf10e4f"
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: Connection ID is
>> "$d3aef13c-823d-4130-a36f-f73deaf10e4f"
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: FreeRDP initialization may
>> fail: The current user's home directory ("/usr/sbin") is not writable, but
>> FreeRDP generally requires a writable home directory for storage of
>> configuration files and certificates.
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]:
>> WARNING:#011FreeRDP initialization may fail: The current user's home
>> directory ("/usr/sbin") is not writable, but FreeRDP generally requires a
>> writable home directory for storage of configuration files and certificates.
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: Security mode: Negotiate
>> (ANY)
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: Resize method: none
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]:
>> INFO:#011Security mode: Negotiate (ANY)
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]:
>> INFO:#011Resize method: none
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]: INFO:#011No
>> clipboard line-ending normalization specified. Defaulting to preserving the
>> format of all line endings.
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]: INFO:#011User
>> "@b14b5698-04ab-4338-9c54-65a92699028d" joined connection
>> "$d3aef13c-823d-4130-a36f-f73deaf10e4f" (1 users now present)
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: No clipboard line-ending
>> normalization specified. Defaulting to preserving the format of all line
>> endings.
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: User
>> "@b14b5698-04ab-4338-9c54-65a92699028d" joined connection
>> "$d3aef13c-823d-4130-a36f-f73deaf10e4f" (1 users now present)
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: Loading keymap "base"
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: Loading keymap "en-us-qwerty"
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]:
>> INFO:#011Loading keymap "base"
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]:
>> INFO:#011Loading keymap "en-us-qwerty"
>> Oct 21 19:23:21 n114-251-182 guacd[1798243]: Connected to RDPDR 1.13 as
>> client 0x0003
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: guacd[1798243]:
>> INFO:#011Connected to RDPDR 1.13 as client 0x0003
>> Oct 21 19:23:21 n114-251-182 guacd[213659]: free(): double free detected
>> in tcache 2
>> Oct 21 19:23:21 n114-251-182 coredump_handler: coredump argv[3] is
>> !usr!local!sbin!guacd
>> Oct 21 19:23:22 n114-251-182 guacd[213659]: Connection
>> "$d3aef13c-823d-4130-a36f-f73deaf10e4f" removed.
>> Oct 21 19:23:22 n114-251-182 guacd[213659]: guacd[213659]:
>> INFO:#011Connection "$d3aef13c-823d-4130-a36f-f73deaf10e4f" removed.
>>
>>
> Two things stand out to me, here:
> * First, you might want to fix the issue with the writable home directory
> for the user running guacd. I would recommend just creating a guacd account
> with a normal home directory and switching the service over to run under
> that account so that FreeRDP can write out the server fingerprints.
> * This is likely causing the issues you're seeing:
>
> Oct 21 19:23:21 n114-251-182 guacd[213659]: free(): double free detected
> in tcache 2
> Oct 21 19:23:21 n114-251-182 coredump_handler: coredump argv[3] is
> !usr!local!sbin!guacd
>
> If you could locate this core dump and provide the output, that would help
> in tracking it down. It's possible this has already been resolved in the
> git version of the code, but if would be good to verify the exact location
> of that and make sure that it has actually been resolved.
>
> -Nick
>
--
Jonathan Hankins
Homewood City Schools
W: 205-877-4548
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