nftables/SOURCES/0015-libnftables-Fix-memleak-in-nft_parse_bison_filename.patch
2021-10-08 14:03:04 +00:00

44 lines
1.5 KiB
Diff

From eb770d79146941ce975c7b7caa9372b380978f98 Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Fri, 12 Oct 2018 13:22:55 +0200
Subject: [PATCH] libnftables: Fix memleak in nft_parse_bison_filename()
Allocated scanner object leaks when returning to caller. For some odd
reason, this was missed by the commit referenced below.
Fixes: bd82e03e15df8 ("libnftables: Move scanner object into struct nft_ctx")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
(cherry picked from commit a56fe55dbd3232e70514610a1c2df1d6b15b931f)
Signed-off-by: Phil Sutter <psutter@redhat.com>
---
src/libnftables.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/src/libnftables.c b/src/libnftables.c
index 5bc7ba0d210ab..91af169ca7190 100644
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -418,15 +418,14 @@ static int nft_parse_bison_filename(struct nft_ctx *nft, const char *filename,
struct list_head *msgs, struct list_head *cmds)
{
struct cmd *cmd;
- void *scanner;
int ret;
parser_init(nft, nft->state, msgs, cmds);
- scanner = scanner_init(nft->state);
- if (scanner_read_file(scanner, filename, &internal_location) < 0)
+ nft->scanner = scanner_init(nft->state);
+ if (scanner_read_file(nft->scanner, filename, &internal_location) < 0)
return -1;
- ret = nft_parse(nft, scanner, nft->state);
+ ret = nft_parse(nft, nft->scanner, nft->state);
if (ret != 0 || nft->state->nerrs > 0)
return -1;
--
2.19.0