From e63d7cdfdac78c6fd27e9e63150335767592b85e Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Fri, 17 Jun 2022 17:45:34 +0200
Subject: awk: fix use after free (CVE-2022-30065)

fixes https://bugs.busybox.net/show_bug.cgi?id=14781

function                                             old     new   delta
evaluate                                            3343    3357     +14

Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 testsuite/awk.tests | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'testsuite')

diff --git a/testsuite/awk.tests b/testsuite/awk.tests
index 93e25d8c1..bbf0fbff1 100755
--- a/testsuite/awk.tests
+++ b/testsuite/awk.tests
@@ -479,4 +479,10 @@ testing 'awk backslash+newline eaten with no trace' \
 	"Hello world\n" \
 	'' ''
 
+testing 'awk assign while test' \
+	"awk '\$1==\$1=\"foo\" {print \$1}'" \
+	"foo\n" \
+	"" \
+	"foo"
+
 exit $FAILCOUNT
-- 
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