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Duke3d: fix OOB memory access in CON_FOR

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Richard C. Gobeille 2020-05-04 19:11:56 -07:00 committed by Christoph Oelckers
parent dc9c6ce2e6
commit 1a1112b4c1
1 changed files with 4 additions and 4 deletions
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8
source/duke3d/src/gameexec.cpp
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@ -2743,7 +2743,7 @@ GAMEEXEC_STATIC void VM_Execute(int const loop /*= false*/)
case ITER_ALLSPRITESBYSTAT:
for (native_t statNum = 0; statNum < MAXSTATUS; ++statNum)
{
for (native_t jj = headspritestat[statNum], kk = nextspritestat[jj]; jj >= 0; jj = kk, kk = nextspritestat[jj])
for (native_t kk, SPRITES_OF_STAT_SAFE(statNum, jj, kk))
CON_FOR_ITERATION();
}
break;
@ -2751,7 +2751,7 @@ GAMEEXEC_STATIC void VM_Execute(int const loop /*= false*/)
case ITER_ALLSPRITESBYSECT:
for (native_t sectNum = 0; sectNum < numsectors; ++sectNum)
{
for (native_t jj = headspritesect[sectNum], kk = nextspritesect[jj]; jj >= 0; jj = kk, kk = nextspritesect[jj])
for (native_t kk, SPRITES_OF_SECT_SAFE(sectNum, jj, kk))
CON_FOR_ITERATION();
}
break;
@ -2786,7 +2786,7 @@ GAMEEXEC_STATIC void VM_Execute(int const loop /*= false*/)
if ((unsigned)nIndex >= MAXSECTORS)
goto badindex;
for (native_t jj = headspritesect[nIndex], kk = nextspritesect[jj]; jj >= 0; jj = kk, kk = nextspritesect[jj])
for (native_t kk, SPRITES_OF_SECT_SAFE(nIndex, jj, kk))
CON_FOR_ITERATION();
break;
@ -2794,7 +2794,7 @@ GAMEEXEC_STATIC void VM_Execute(int const loop /*= false*/)
if ((unsigned)nIndex >= MAXSTATUS)
goto badindex;
for (native_t jj = headspritestat[nIndex], kk = nextspritestat[jj]; jj >= 0; jj = kk, kk = nextspritestat[jj])
for (native_t kk, SPRITES_OF_STAT_SAFE(nIndex, jj, kk))
CON_FOR_ITERATION();
break;