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iptables/SOURCES/0045-libxtables-Fix-memleak...

30 lines
903 B

From e672c567d978bf99652a8c3681e105d5a212552f Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Wed, 2 Jun 2021 11:04:30 +0200
Subject: [PATCH] libxtables: Fix memleak in xtopt_parse_hostmask()
The allocated hostmask duplicate needs to be freed again.
Fixes: 66266abd17adc ("libxtables: XTTYPE_HOSTMASK support")
Signed-off-by: Phil Sutter <phil@nwl.cc>
(cherry picked from commit ffe88f8f01263687e82ef4d3d2bdc0cb5444711e)
---
libxtables/xtoptions.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libxtables/xtoptions.c b/libxtables/xtoptions.c
index d329f2ff7979e..0dcdf607f4678 100644
--- a/libxtables/xtoptions.c
+++ b/libxtables/xtoptions.c
@@ -763,6 +763,7 @@ static void xtopt_parse_hostmask(struct xt_option_call *cb)
cb->arg = p;
xtopt_parse_plenmask(cb);
cb->arg = orig_arg;
+ free(work);
}
static void xtopt_parse_ethermac(struct xt_option_call *cb)
--
2.40.0