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-rw-r--r--posix/wordexp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/posix/wordexp.c b/posix/wordexp.c
index f6062d5..e711d43 100644
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -617,6 +617,10 @@ eval_expr_multdiv (char **expr, long int *result)
if (eval_expr_val (expr, &arg) != 0)
return WRDE_SYNTAX;
+ /* Division by zero or integer overflow. */
+ if (arg == 0 || (arg == -1 && *result == LONG_MIN))
+ return WRDE_SYNTAX;
+
*result /= arg;
}
else break;