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lepc: added bound check for collect_tgt

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iwashiira 2024-05-30 04:40:50 +00:00 • committed by Andy Green
parent d1d622d3b9
commit 090ec8ef6b
1 changed files with 15 additions and 4 deletions
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19
lib/misc/lecp.c
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@ -673,10 +673,21 @@ push_m:
* We're collecting int / float pieces
*/
case LECP_COLLECT:
if (ctx->be)
*ctx->collect_tgt++ = c;
else
*ctx->collect_tgt-- = c;
if (ctx->be) {
if (ctx->collect_tgt + 1 >= &ctx->item.opcode)
*ctx->collect_tgt = c;
else
*ctx->collect_tgt++ = c;
} else {
if (ctx->collect_tgt <= (uint8_t *)&ctx->item.u)
*ctx->collect_tgt = c;
else
*ctx->collect_tgt-- = c;
}
if (--st->collect_rem)
break;