Re: [PATCH spice-server] reds: Do not abort due to wrong header

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> 
> On Fri, Nov 13, 2015 at 9:14 AM, Pavel Grunt <pgrunt@xxxxxxxxxx> wrote:
> > Just prevent the buggy client from connecting.
> >
> >  #0  0x00007fffe83b2a98 in raise () at /lib64/libc.so.6
> >  #1  0x00007fffe83b469a in abort () at /lib64/libc.so.6
> >  #2  0x00007ffff7b1533d in spice_logv (log_domain=0x7ffff7b87226 "Spice",
> >  log_level=SPICE_LOG_LEVEL_ERROR, strloc=0x7ffff7b92aba "reds.c:1373",
> >  function=0x7ffff7b94f40 <__FUNCTION__.31775> "reds_send_link_ack",
> >  format=0x7ffff7b871fe "assertion `%s' failed",
> >  args=args@entry=0x7fffffffcb68) at log.c:109
> >  #3  0x00007ffff7b15468 in spice_log
> >  (log_domain=log_domain@entry=0x7ffff7b87226 "Spice",
> >  log_level=log_level@entry=SPICE_LOG_LEVEL_ERROR,
> >  strloc=strloc@entry=0x7ffff7b92aba "reds.c:1373",
> >  function=function@entry=0x7ffff7b94f40 <__FUNCTION__.31775>
> >  "reds_send_link_ack", format=format@entry=0x7ffff7b871fe "assertion `%s'
> >  failed") at log.c:123
> >  #4  0x00007ffff7aee335 in reds_handle_read_link_done (link=0x555556b27c70)
> >      at reds.c:1373
> >  #5  0x00007ffff7aee335 in reds_handle_read_link_done
> >  (opaque=0x555556b27c70)
> >      at reds.c:2139
> >  #6  0x000055555588acc6 in qemu_iohandler_poll ()
> >  #7  0x000055555588a8e1 in main_loop_wait ()
> >  #8  0x0000555555614064 in main ()
> >
> > Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1281442
> > ---
> >  server/reds.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/server/reds.c b/server/reds.c
> > index 1f6774e..9bd28df 100644
> > --- a/server/reds.c
> > +++ b/server/reds.c
> > @@ -1370,7 +1370,10 @@ static int reds_send_link_ack(RedLinkInfo *link)
> >      channel = reds_find_channel(link->link_mess->channel_type,
> >                                  link->link_mess->channel_id);
> >      if (!channel) {
> > -        spice_assert(link->link_mess->channel_type == SPICE_CHANNEL_MAIN);
> > +        if (link->link_mess->channel_type != SPICE_CHANNEL_MAIN) {
> > +            spice_warning("Received wrong header: channel_type !=
> > SPICE_CHANNEL_MAIN");
> > +            return FALSE;
> > +        }
> >          spice_assert(reds->main_channel);
> >          channel = &reds->main_channel->base;
> >      }
> > --
> > 2.5.0
> >
> > _______________________________________________
> > Spice-devel mailing list
> > Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/spice-devel
> 
> Looks good, ACK!

More than good

Acked too

Frediano
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