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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: phil@nwl.cc
Subject: Re: [PATCH nft] rule: memleak in __do_add_setelems()
Date: Thu, 30 Apr 2020 15:08:20 +0200	[thread overview]
Message-ID: <20200430130820.GA11056@salvia> (raw)
In-Reply-To: <20200430121845.10388-1-pablo@netfilter.org>

On Thu, Apr 30, 2020 at 02:18:45PM +0200, Pablo Neira Ayuso wrote:
> This patch invokes interval_map_decompose() with named sets:
> 
> ==3402== 2,352 (128 direct, 2,224 indirect) bytes in 1 blocks are definitely lost in loss record 9 of 9
> ==3402==    at 0x483577F: malloc (vg_replace_malloc.c:299)
> ==3402==    by 0x48996A8: xmalloc (utils.c:36)
> ==3402==    by 0x4899778: xzalloc (utils.c:65)
> ==3402==    by 0x487CB46: expr_alloc (expression.c:45)
> ==3402==    by 0x487E2A0: mapping_expr_alloc (expression.c:1140)
> ==3402==    by 0x4898AA8: interval_map_decompose (segtree.c:1095)
> ==3402==    by 0x4872BDF: __do_add_setelems (rule.c:1569)
> ==3402==    by 0x4872BDF: __do_add_setelems (rule.c:1559)
> ==3402==    by 0x4877936: do_command (rule.c:2710)
> ==3402==    by 0x489F1CB: nft_netlink.isra.5 (libnftables.c:42)
> ==3402==    by 0x489FB07: nft_run_cmd_from_filename (libnftables.c:508)
> ==3402==    by 0x10A9AA: main (main.c:455)
> 
> Fixes: dd44081d91ce ("segtree: Fix add and delete of element in same batch")

This fixes the problem for anonymous sets, still named sets are
showing a memleak.

  reply	other threads:[~2020-04-30 13:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30 12:18 [PATCH nft] rule: memleak in __do_add_setelems() Pablo Neira Ayuso
2020-04-30 13:08 ` Pablo Neira Ayuso [this message]
2020-04-30 13:52   ` Phil Sutter
2020-04-30 14:47     ` Pablo Neira Ayuso
2020-04-30 15:41       ` Phil Sutter
2020-04-30 15:46         ` Pablo Neira Ayuso

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