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Fix possible out of bounds memory access for M_MapLocked

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toaster 2022-12-14 17:30:39 +00:00
parent 6545b693d4
commit c693be47f8
1 changed files with 3 additions and 0 deletions
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3
src/m_cond.c
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@ -1100,6 +1100,9 @@ boolean M_MapLocked(INT32 mapnum)
if (marathonmode) if (marathonmode)
return false; return false;
if (!mapnum || mapnum > nummapheaders)
return false;
if (!mapheaderinfo[mapnum-1]) if (!mapheaderinfo[mapnum-1])
return false; return false;