Segmentation Fault and Lost Connection to Server in Freeciv GTK4

[manouchk]

Hello Freeciv Community,

I am experiencing an issue with Freeciv GTK4. Whenever I try to end my turn, I receive the following message in the command line:

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Lost connection to server: serveur déconnecté.

I noticed segmentation faults in dmesg when ending my turn:

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[109038.014584] freeciv-server[92307]: segfault at 0 ip 00005599c9d847cd sp 00007ffdb2ad0d90 error 4 in freeciv-server[1577cd,5599c9c4c000+148000] likely on CPU 2 (core 0, socket 0)
[109145.207553] freeciv-server[92594]: segfault at 0 ip 0000560f718f67cd sp 00007ffc8cb522f0 error 4 in freeciv-server[1577cd,560f717be000+148000] likely on CPU 3 (core 1, socket 0)

I noticed a warning when starting the game:

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(freeciv-gtk4:91300): Gtk-WARNING **: 17:17:40.272: Trying to snapshot GtkGizmo 0x55ed0cd781e0 without a current allocation

This warning seems to be unrelated to the connection issue, but I’m including it for context.



System Info: OS: Arch Linux. Freeciv version: 3.2.1 using available package in archlinux.

The game that trigger this can be found there:
https://u.pcloud.link/publink/show?code ... JB7Rf9PbS7

[cazfi]

I can reproduce with 3.2.1, but not with the latest S3_2 (freeciv-3.2 branch).

The server crash occurs in invasion_funct(), for which we've fixed several such crashes since 3.2.1 release.

[cazfi]

3.2.1 + fix from RM #1741 seems to work with this savegame.