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API: Passing -1 to function cMonster:FamilyFromType crashes the server #5442

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Seadragon91 opened this issue Sep 25, 2022 · 0 comments · May be fixed by #5444
Open

API: Passing -1 to function cMonster:FamilyFromType crashes the server #5442

Seadragon91 opened this issue Sep 25, 2022 · 0 comments · May be fixed by #5444

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@Seadragon91
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Server OS: Linux
Cuberite Commit id: b73cd11

Expected behavior

Passing -1 to function cMonster:FamilyFromType should not crash the server.

Actual behavior

Server crashes at:

cuberite/src/Mobs/Monster.cpp

Line 1173 in b73cd11

UNREACHABLE("Unhandled mob type");

Steps to reproduce the behavior

Call this lua code from a command:
cMonster:FamilyFromType(-1)

Found by APIFuzzing.
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Fix unknown Monster Family crashing the server (see #5442) tonitch/cuberite
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@Seadragon91