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From: Eric Blake <eblake@redhat.com>
To: Orit Wasserman <owasserm@redhat.com>
Cc: peter.maydell@linaro.org, aliguori@us.ibm.com,
	quintela@redhat.com, stefanha@gmail.com, qemu-devel@nongnu.org,
	mdroth@linux.vnet.ibm.com, blauwirbel@gmail.com, avi@redhat.com,
	pbonzini@redhat.com, chegu_vinod@hp.com
Subject: Re: [Qemu-devel] [PATCH v12 05/13] Add uleb encoding/decoding functions
Date: Tue, 19 Jun 2012 10:59:21 -0600	[thread overview]
Message-ID: <4FE0AFE9.4040805@redhat.com> (raw)
In-Reply-To: <1340120601-24747-6-git-send-email-owasserm@redhat.com>

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On 06/19/2012 09:43 AM, Orit Wasserman wrote:
> Implement Unsigned Little Endian Base 128.
> 
> Signed-off-by: Orit Wasserman <owasserm@redhat.com>
> ---
>  cutils.c      |   29 +++++++++++++++++++++++++++++
>  qemu-common.h |    8 ++++++++
>  2 files changed, 37 insertions(+), 0 deletions(-)
> 

> +int uleb128_decode_small(const uint8_t *in, uint32_t *n)
> +{
> +    if (!(*in & 0x80)) {
> +        *n = *in++;
> +        return 1;
> +    } else {
> +        *n = *in++ & 0x7f;
> +        g_assert(!(*in & 0x80));

Are we really okay calling g_assert() in the middle of an incoming
migration, or are there more graceful ways to fail when dealing with
invalid user input?

-- 
Eric Blake   eblake@redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org




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  reply	other threads:[~2012-06-19 16:59 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-19 15:43 [Qemu-devel] [PATCH v12 00/13] XBZRLE delta for live migration of large memory app Orit Wasserman
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 01/13] Add MigrationParams structure Orit Wasserman
2012-06-19 16:00   ` Eric Blake
2012-06-19 16:02     ` Orit Wasserman
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 02/13] Add migration capabilites Orit Wasserman
2012-06-19 16:27   ` Eric Blake
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation Orit Wasserman
2012-06-19 16:46   ` Eric Blake
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 04/13] Add cache handling functions Orit Wasserman
2012-06-19 16:51   ` Eric Blake
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 05/13] Add uleb encoding/decoding functions Orit Wasserman
2012-06-19 16:59   ` Eric Blake [this message]
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 06/13] Add save_block_hdr function Orit Wasserman
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 07/13] Add debugging infrastructure Orit Wasserman
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 08/13] Change ram_save_block to return -1 if there are no more changes Orit Wasserman
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 09/13] Add migration_end function Orit Wasserman
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 10/13] Add xbzrle_encode_buffer and xbzrle_decode_buffer functions Orit Wasserman
2012-06-19 18:08   ` Eric Blake
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 11/13] Add XBZRLE to ram_save_block and ram_save_live Orit Wasserman
2012-06-19 18:50   ` Eric Blake
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 12/13] Add set_cachesize command Orit Wasserman
2012-06-19 19:13   ` Eric Blake
2012-06-19 15:43 ` [Qemu-devel] [PATCH v12 13/13] Add XBZRLE statistics Orit Wasserman
2012-06-19 19:20   ` Eric Blake

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