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FFI: Disallow nested VLS.

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Mike Pall 2014-02-19 22:05:34 +01:00
parent 2bc63bb6af
commit 1994a2453e
1 changed files with 1 additions and 1 deletions
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src/lj_cparse.c
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@ -1258,7 +1258,7 @@ static void cp_struct_layout(CPState *cp, CTypeID sid, CTInfo sattr)
sinfo |= (info & (CTF_QUAL|CTF_VLA)); /* Merge pseudo-qualifiers. */ sinfo |= (info & (CTF_QUAL|CTF_VLA)); /* Merge pseudo-qualifiers. */
/* Check for size overflow and determine alignment. */ /* Check for size overflow and determine alignment. */
if (sz >= 0x20000000u || bofs + csz < bofs) { if (sz >= 0x20000000u || bofs + csz < bofs || (info & CTF_VLA)) {
if (!(sz == CTSIZE_INVALID && ctype_isarray(info) && if (!(sz == CTSIZE_INVALID && ctype_isarray(info) &&
!(sinfo & CTF_UNION))) !(sinfo & CTF_UNION)))
cp_err(cp, LJ_ERR_FFI_INVSIZE); cp_err(cp, LJ_ERR_FFI_INVSIZE);