[Freeciv-Dev] (PR#14369) civserver crashes on startup (amd64)

["David A Knight" <david@xxxxxxxxxxxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=14369 >

civserver from a fresh checkout (Tue 18 Oct) crashes on startup under
x86_64. 

The reason for this seems to be code like in unittype.c precalc_one()

memory is allocated based of sizeof( Unit_type_id ),  which is 32bit,
but then tries to assign a pointer to it with

with_role[i][j++] = u;

which is 64bit, causing a buffer overflow.

this bug will exist anywhere where such allocation is being done.



David

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