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From 9b3e5589c5e1b6ced176ce33f59774a3b1d28c36 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <psutter@redhat.com>
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Date: Tue, 21 Feb 2023 19:50:41 +0100
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Subject: [PATCH] optimize: Do not return garbage from stack
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2160049
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Upstream Status: nftables commit d4d47e5bdf943
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commit d4d47e5bdf943be494aeb5d5a29b8f5212acbddf
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Author: Phil Sutter <phil@nwl.cc>
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Date: Fri Jan 13 17:09:53 2023 +0100
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optimize: Do not return garbage from stack
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If input does not contain a single 'add' command (unusual, but
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possible), 'ret' value was not initialized by nft_optimize() before
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returning its value.
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Fixes: fb298877ece27 ("src: add ruleset optimization infrastructure")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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src/optimize.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/optimize.c b/src/optimize.c
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index 3a3049d..6514cbb 100644
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--- a/src/optimize.c
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+++ b/src/optimize.c
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@@ -1017,7 +1017,7 @@ static int cmd_optimize(struct nft_ctx *nft, struct cmd *cmd)
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int nft_optimize(struct nft_ctx *nft, struct list_head *cmds)
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{
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struct cmd *cmd;
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- int ret;
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+ int ret = 0;
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list_for_each_entry(cmd, cmds, list) {
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switch (cmd->op) {
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--
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2.39.2
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