[gstreamer-bugs] [Bug 633837] New: videoscale: invalid reads after conversion to orc linear scaling

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Nov 2 11:06:40 PDT 2010


https://bugzilla.gnome.org/show_bug.cgi?id=633837
  GStreamer | gst-plugins-base | git

           Summary: videoscale: invalid reads after conversion to orc
                    linear scaling
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: t.i.m at zen.co.uk
         QAContact: gstreamer-bugs at lists.sourceforge.net
                CC: ds at schleef.org
      GNOME target: ---
     GNOME version: ---


~/gst/git/gst-plugins-base/tests/check$ make elements/videoscale.valgrind
Running suite(s): videoscale
==17342== Invalid read of size 8
==17342==    at 0x402E5B0: ??? (in /tmp/orcexec.exteya (deleted))
==17342==    by 0x8442967: gst_videoscale_orc_resample_bilinear_u32
(tmp-orc.c:1252)
==17342==    by 0x843A5DA: vs_image_scale_linear_RGBA (vs_image.c:110)
==17342==  Address 0x7479010 is 0 bytes inside a block of size 4 alloc'd
==17342== 
==17344== Invalid read of size 1
==17344==    at 0x843CC18: vs_scanline_resample_4tap_RGBA (vs_4tap.c:339)
==17344==    by 0x843CECC: vs_image_scale_4tap_RGBA (vs_4tap.c:407)
==17344==  Address 0x7467c94 is 0 bytes after a block of size 4 alloc'd
==17344== 
==17344== Invalid read of size 1
==17344==    at 0x843D2E8: vs_scanline_resample_4tap_RGB (vs_4tap.c:462)
==17344==    by 0x843D57C: vs_image_scale_4tap_RGB (vs_4tap.c:530)
==17344==  Address 0x7df9294 is 0 bytes after a block of size 4 alloc'd
==17344== 
==17344== Invalid read of size 1
==17344==    at 0x843DDAE: vs_scanline_resample_4tap_YUYV (vs_4tap.c:643)
==17344==    by 0x843E27C: vs_image_scale_4tap_YUYV (vs_4tap.c:728)
==17344==  Address 0x772b884 is 0 bytes after a block of size 4 alloc'd
==17344== 
==17344== etc.

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