23 lines
812 B
Diff
23 lines
812 B
Diff
From 9defefae9fbcb6958cddbfa778c1ea8605da8b8b Mon Sep 17 00:00:00 2001
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From: dataisland <dataisland@outlook.com>
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Date: Fri, 22 Sep 2023 00:21:20 -0500
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Subject: [PATCH] Fix null-pointer-dereference in yasm_expr_get_intnum (#244)
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---
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libyasm/expr.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libyasm/expr.c b/libyasm/expr.c
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index 5b0c418b..09ae1121 100644
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--- a/libyasm/expr.c
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+++ b/libyasm/expr.c
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@@ -1264,7 +1264,7 @@ yasm_expr_get_intnum(yasm_expr **ep, int calc_bc_dist)
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{
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*ep = yasm_expr_simplify(*ep, calc_bc_dist);
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- if ((*ep)->op == YASM_EXPR_IDENT && (*ep)->terms[0].type == YASM_EXPR_INT)
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+ if (*ep && (*ep)->op == YASM_EXPR_IDENT && (*ep)->terms[0].type == YASM_EXPR_INT)
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return (*ep)->terms[0].data.intn;
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else
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return (yasm_intnum *)NULL;
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