iptables/backport-libxtables-Fix-memleak-in-xtopt_parse_hostmask.patch
yangl777 9506a4d514 backport some patches from upstream
(cherry picked from commit 54ff14021f8246aaac6f171eedf8e4d82120d5b3)
2024-04-19 16:03:15 +08:00

32 lines
931 B
Diff

From ffe88f8f01263687e82ef4d3d2bdc0cb5444711e Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Wed, 2 Jun 2021 11:04:30 +0200
Subject: 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>
Conflict:NA
Reference:https://git.netfilter.org/iptables/commit/?id=ffe88f8f01263687e82ef4d3d2bdc0cb5444711e
---
libxtables/xtoptions.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libxtables/xtoptions.c b/libxtables/xtoptions.c
index d329f2ff..0dcdf607 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)
--
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