35 lines
954 B
Diff
35 lines
954 B
Diff
From c5188cd7e1b2d54a63dac25b6f84f2ab26f7b8fc Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Wed, 2 Jun 2021 11:55:20 +0200
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Subject: [PATCH] nft: Avoid memleak in error path of nft_cmd_new()
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If rule allocation fails, free the allocated 'cmd' before returning to
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caller.
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Fixes: a7f1e208cdf9c ("nft: split parsing from netlink commands")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit eab75ed36a4f204ddab0c40ba42c5a300634d5c3)
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---
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iptables/nft-cmd.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/iptables/nft-cmd.c b/iptables/nft-cmd.c
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index 5d33f1f00f574..9b0c964847615 100644
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--- a/iptables/nft-cmd.c
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+++ b/iptables/nft-cmd.c
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@@ -35,8 +35,10 @@ struct nft_cmd *nft_cmd_new(struct nft_handle *h, int command,
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if (state) {
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rule = nft_rule_new(h, chain, table, state);
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- if (!rule)
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+ if (!rule) {
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+ nft_cmd_free(cmd);
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return NULL;
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+ }
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cmd->obj.rule = rule;
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--
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2.31.1
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