From: Martin Wilck <mwilck@suse.com>
To: Benjamin Marzinski <bmarzins@redhat.com>,
device-mapper development <dm-devel@redhat.com>
Subject: Re: [PATCH v3 11/19] libmultipath: fix null dereference int alloc_path_group
Date: Mon, 01 Oct 2018 23:33:21 +0200 [thread overview]
Message-ID: <df1df2c77e869580ddd5e662a2b6cb5a282d2bc7.camel@suse.com> (raw)
In-Reply-To: <1537571127-10143-12-git-send-email-bmarzins@redhat.com>
On Fri, 2018-09-21 at 18:05 -0500, Benjamin Marzinski wrote:
> If all_pathgroup failed to allocate a vector for pgp->paths, instead
> of
> failing after it freed pgp, it would set pgp to NULL and then
> dereference it. This patch fixes that. Found by coverity.
>
> Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
> ---
> libmultipath/structs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libmultipath/structs.c b/libmultipath/structs.c
> index ae847d6..caa178a 100644
> --- a/libmultipath/structs.c
> +++ b/libmultipath/structs.c
> @@ -165,7 +165,7 @@ alloc_pathgroup (void)
>
> if (!pgp->paths) {
> FREE(pgp);
> - pgp = NULL;
> + return NULL;
> }
>
> dm_pathgroup_to_gen(pgp)->ops = &dm_gen_pathgroup_ops;
--
Dr. Martin Wilck <mwilck@suse.com>, Tel. +49 (0)911 74053 2107
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2018-10-01 21:33 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 23:05 [PATCH v3 00/19] Misc Multipath patches Benjamin Marzinski
2018-09-21 23:05 ` [PATCH v3 01/19] libmultipath: fix tur checker timeout Benjamin Marzinski
2018-10-01 19:51 ` Martin Wilck
2018-10-04 16:31 ` Benjamin Marzinski
2018-10-05 10:11 ` Martin Wilck
2018-10-05 17:02 ` Benjamin Marzinski
2018-10-05 19:23 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 02/19] libmultipath: fix tur checker double locking Benjamin Marzinski
2018-10-01 20:09 ` Martin Wilck
2018-10-01 20:44 ` Martin Wilck
2018-10-04 16:47 ` Benjamin Marzinski
2018-10-04 16:45 ` Benjamin Marzinski
2018-10-05 10:25 ` Martin Wilck
2018-10-05 17:10 ` Benjamin Marzinski
2018-10-05 19:07 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 03/19] libmultipath: fix tur memory misuse Benjamin Marzinski
2018-10-01 20:59 ` Martin Wilck
2018-10-02 7:48 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 04/19] libmultipath: cleanup tur locking Benjamin Marzinski
2018-10-01 21:08 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 05/19] libmultipath: fix tur checker timeout issue Benjamin Marzinski
2018-10-01 21:09 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 06/19] libmultipath: fix set_int error path Benjamin Marzinski
2018-10-01 21:17 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 07/19] libmultipath: fix length issues in get_vpd_sgio Benjamin Marzinski
2018-10-01 21:25 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 08/19] libmultipath: _install_keyword cleanup Benjamin Marzinski
2018-10-01 21:26 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 09/19] libmultipath: remove unused code Benjamin Marzinski
2018-10-01 21:28 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 10/19] libmultipath: fix memory issue in path_latency prio Benjamin Marzinski
2018-10-01 21:30 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 11/19] libmultipath: fix null dereference int alloc_path_group Benjamin Marzinski
2018-10-01 21:33 ` Martin Wilck [this message]
2018-09-21 23:05 ` [PATCH v3 12/19] libmutipath: don't use malformed uevents Benjamin Marzinski
2018-10-01 21:31 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 13/19] multipath: fix max array size in print_cmd_valid Benjamin Marzinski
2018-10-01 21:35 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 14/19] multipathd: function return value tweaks Benjamin Marzinski
2018-10-01 21:37 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 15/19] multipathd: minor fixes Benjamin Marzinski
2018-10-01 21:38 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 16/19] multipathd: remove useless check and fix format Benjamin Marzinski
2018-10-01 21:40 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 17/19] multipathd: fix memory leak on error in configure Benjamin Marzinski
2018-10-01 21:42 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 18/19] libmultipath: Don't blank intialized paths Benjamin Marzinski
2018-10-01 22:00 ` Martin Wilck
2018-10-02 22:37 ` Martin Wilck
2018-10-05 19:38 ` Benjamin Marzinski
2018-10-08 9:41 ` Martin Wilck
2018-10-09 22:20 ` Benjamin Marzinski
2018-10-08 9:35 ` Martin Wilck
2018-09-21 23:05 ` [PATCH v3 19/19] libmultipath: Fixup updating paths Benjamin Marzinski
2018-10-01 22:30 ` Martin Wilck
2018-10-05 20:32 ` Benjamin Marzinski
2018-10-07 8:36 ` [PATCH v3 00/19] Misc Multipath patches Christophe Varoqui
2018-10-09 16:13 ` Benjamin Marzinski
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