Re: [Qemu-stable] [Qemu-devel] [PATCH] json: Fix % handling when not interpolating

[Eric Blake]

On 1/7/19 9:47 AM, Markus Armbruster wrote:
> Eric Blake <address@hidden> writes:
> 
>> On 1/2/19 12:01 PM, Christophe Fergeau wrote:
>>> Adding Markus to cc: list, I forgot to do it when sending the patch.
>>
>> Also worth backporting via qemu-stable, now in cc.
>>
>>>
>>> Christophe
>>>
>>> On Wed, Jan 02, 2019 at 03:05:35PM +0100, Christophe Fergeau wrote:
>>>> commit 8bca4613 added support for %% in json strings when interpolating,
>>>> but in doing so, this broke handling of % when not interpolating as the
>>>> '%' is skipped in both cases.
>>>> This commit ensures we only try to handle %% when interpolating.
> 
> Impact?
> 
> If you're unable to assess, could you give us at least a reproducer?

Another thread pointed out that Spice passwords involving % get corrupted.

> 
>>>> Signed-off-by: Christophe Fergeau <address@hidden>
>>>> ---
>>>>  qobject/json-parser.c | 10 ++++++----
>>>>  tests/check-qjson.c   |  5 +++++
>>>>  2 files changed, 11 insertions(+), 4 deletions(-)
>>>>
>>
>> Reviewed-by: Eric Blake <address@hidden>
> 
> Patch looks good to me, but I'd like us to improve the commit message.

Indeed.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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