linux-kernel - Re: [PATCH] ACPI, psargs: Fix small mem leaks on error paths

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 30 Mar 2012 03:11:40 -0400
From:	Len Brown <lenb@...nel.org>
To:	Bob Moore <robert.moore@...el.com>
CC:	Jesper Juhl <jj@...osbits.net>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Lin Ming <ming.m.lin@...el.com>
Subject: Re: [PATCH] ACPI, psargs: Fix small mem leaks on error paths

Bob?

On 02/04/2012 08:12 PM, Jesper Juhl wrote:

> As far as I can see, there are two small mem leaks in error paths of
> 'acpi_ps_get_next_field()' where we neglect to free the memory
> previously allocated to 'field'.
> 
> I believe this patch should fix the leaks.
> 
> Signed-off-by: Jesper Juhl <jj@...osbits.net>
> ---
>  drivers/acpi/acpica/psargs.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
>  Note: Compile tested only.
> 
> diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
> index 5ac36ab..a683d66 100644
> --- a/drivers/acpi/acpica/psargs.c
> +++ b/drivers/acpi/acpica/psargs.c
> @@ -618,6 +618,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
>  
>  				arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP);
>  				if (!arg) {
> +					acpi_ps_free_op(field);
>  					return_PTR(NULL);
>  				}
>  
> @@ -662,6 +663,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
>  		} else {
>  			arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
>  			if (!arg) {
> +				acpi_ps_free_op(field);
>  				return_PTR(NULL);
>  			}
>  


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/