[Crash]: sometimes after making a custom title screen, game crashes if tux dies

[SusDTSteve]

SuperTux Version

v0.6.3-1524-ga5f7df3f1

System Information

Windows x64

Steps To Reproduce Crash

make a title screen level, then give tux a star and put some enemies that can kill Rhe SuperTux™. afterwards edit any level (or play a world/levelset that doesent have a titlescreen), then exit that and you should be back on your titlescreen. when Rhe SuperTux™ dies he has a chance to kill (crash) the game along with it

Debugging Information (Stacktrace)

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BaseThreadInitThunk
RtlUserThreadStart

Additional Information

No response

Guidelines For Reporting Issues

• I have read https://github.com/SuperTux/supertux/blob/master/CONTRIBUTING.md#bug-reports.
• I have verified this isn't an issue that's already been reported.
• I have verified this isn't a discussion, or an issue about unintended behavior or a feature request, but rather an actual crash ─ that is, the game closed unexpectedly.
• I have verified this issue is not about wrong translations (use Transifex for those), or anything unsupported (e.g. third-party add-ons).
• In this report, I have only included details about one (1) crash.
• If I make a mistake while submitting this report, I agree to use the "Edit" feature to correct it, instead of closing this issue and opening a new one.

[tulpenkiste]

Reproduced on CachyOS using latest master branch, albiet I got it in the titlescreen itself.

Game Version: v0.6.3-1477-g8c4846727
System Information: Linux 6.13.0-2-cachyos-deckify #\1 SMP PREEMPT_DYNAMIC Mon, 20 Jan 2025 20:11:11 +0000 x86_64

BT

/usr/bin/supertux2(_ZN12ErrorHandler14get_stacktraceB5cxx11Ev+0x36) [0x563002037f75]
/usr/bin/supertux2(_ZN12ErrorHandler12handle_errorEi+0x7c) [0x56300203830d]
/usr/lib/libc.so.6(+0x41880) [0x784a4b641880]
/usr/bin/supertux2(_ZN9__gnu_cxx17__normal_iteratorIPKN11GameSession10SpawnPointESt6vectorIS2_SaIS2_EEEC2ERKS4_+0x10) [0x563001c46d90]
/usr/bin/supertux2(_ZNKSt6vectorIN11GameSession10SpawnPointESaIS1_EE3endEv+0x32) [0x563001c44f3e]
/usr/bin/supertux2(_ZNKSt6vectorIN11GameSession10SpawnPointESaIS1_EE4backEv+0x27) [0x563001c4329f]
/usr/bin/supertux2(_ZNK11GameSession19get_last_spawnpointEv+0x1e) [0x563001c42e6c]
/usr/bin/supertux2(_ZNK12PlayerStatus22respawns_at_checkpointEv+0x19) [0x563001cc13e5]
/usr/bin/supertux2(_ZN6Player4killEb+0x53f) [0x563001f84889]
/usr/bin/supertux2(_ZN6Player12check_boundsEv+0x2a4) [0x563001f84fa6]
/usr/bin/supertux2(_ZN6Player6updateEf+0x545) [0x563001f78061]
/usr/bin/supertux2(_ZN17GameObjectManager6updateEf+0x9b) [0x563001c23ca7]
/usr/bin/supertux2(_ZN6Sector6updateEf+0x117) [0x563001cdc9c9]
/usr/bin/supertux2(_ZN11TitleScreen12update_levelEf+0x149) [0x563001d09f75]
/usr/bin/supertux2(_ZN11TitleScreen6updateEfRK10Controller+0x42) [0x563001d09dda]
/usr/bin/supertux2(_ZN13ScreenManager16update_gamelogicEf+0xce) [0x563001cd509c]
/usr/bin/supertux2(_ZN13ScreenManager9loop_iterEv+0x3e9) [0x563001cd6279]
/usr/bin/supertux2(_ZN13ScreenManager3runEv+0x2b) [0x563001cd64bf]
/usr/bin/supertux2(_ZN4Main11launch_gameERK20CommandLineArguments+0x12c6) [0x563001c5cad0]
/usr/bin/supertux2(_ZN4Main3runEiPPc+0x2b5) [0x563001c5d355]
/usr/bin/supertux2(main+0x6f) [0x563001b2bc18]
/usr/lib/libc.so.6(+0x261ce) [0x784a4b6261ce]
/usr/lib/libc.so.6(__libc_start_main+0x8a) [0x784a4b62628a]
/usr/bin/supertux2(_start+0x25) [0x563001b2bad5]

[SusDTSteve]

yeah i meant to say that part aswell but i forgot