40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From 8bd95db6d02b8ed268f2bfb7ec62b4d0cfbf82ad Mon Sep 17 00:00:00 2001
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From: Pablo Neira Ayuso <pablo@netfilter.org>
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Date: Mon, 10 Jun 2019 19:23:40 +0200
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Subject: [PATCH] parser_bison: free chain name after creating constant
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expression
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==2330== 2 bytes in 1 blocks are definitely lost in loss record 1 of 1
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==2330== at 0x4C2BBAF: malloc (vg_replace_malloc.c:299)
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==2330== by 0x583D3B9: strdup (strdup.c:42)
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==2330== by 0x4E7966D: xstrdup (utils.c:75)
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==2330== by 0x4E9C283: nft_lex (scanner.l:626)
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==2330== by 0x4E8E3C2: nft_parse (parser_bison.c:5297)
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==2330== by 0x4E7EAB2: nft_parse_bison_filename (libnftables.c:374)
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==2330== by 0x4E7EAB2: nft_run_cmd_from_filename (libnftables.c:475)
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==2330== by 0x109A53: main (main.c:310)
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Fixes: f1e8a129ee42 ("src: Introduce chain_expr in jump and goto statements")
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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(cherry picked from commit 29d0b6b0526ed9b661db9f1c8dbd2abbff11483a)
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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src/parser_bison.y | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/parser_bison.y b/src/parser_bison.y
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index 4bd1ae1e39855..cea5d7660ba4c 100644
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--- a/src/parser_bison.y
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+++ b/src/parser_bison.y
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@@ -3482,6 +3482,7 @@ chain_expr : variable_expr
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BYTEORDER_HOST_ENDIAN,
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strlen($1) * BITS_PER_BYTE,
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$1);
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+ xfree($1);
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}
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;
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--
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2.21.0
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