[Bug 775455] New: memory leaks in qtdemux_inflate

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=775455

            Bug ID: 775455
           Summary: memory leaks in qtdemux_inflate
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: hanno at hboeck.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

If you take this file
http://samples.mplayerhq.hu/A-codecs/lossless/ALAC/alac.mov
and parse it (e.g. with gst-discoverer-1.0) it will cause several memory leaks.

Can be seen with valgrind or newer versions of asan (tip:
ASAN_OPTIONS="fast_unwind_on_malloc=0" gives reasonable stack traces for memory
leaks, otherwise the error messages are not very useful).

==27650==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 7152 byte(s) in 1 object(s) allocated from:
    #0 0x4d4e28 in malloc (/usr/bin/gst-discoverer-1.0+0x4d4e28)
    #1 0x7f9fe9946aa8 in g_malloc (/usr/lib64/libglib-2.0.so.0+0x4faa8)
    #2 0x7f9feaee7f5c in inflateInit2_ (/lib64/libz.so.1+0x7f5c)
    #3 0x7f9fdd3cc03d in qtdemux_inflate
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:6893:9
    #4 0x7f9fdd3cc03d in qtdemux_parse_moov
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:6951
    #5 0x7f9fdd3c08b8 in gst_qtdemux_loop_state_header
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:4218:7
    #6 0x7f9fdd3c08b8 in gst_qtdemux_loop
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:5753
    #7 0x7f9fea76c5d3 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #8 0x7f9fe9969627  (/usr/lib64/libglib-2.0.so.0+0x72627)
    #9 0x7f9fe9968c94  (/usr/lib64/libglib-2.0.so.0+0x71c94)
    #10 0x7f9fe93e5453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #11 0x7f9fe8f155dc in clone (/lib64/libc.so.6+0xe75dc)

Direct leak of 1759 byte(s) in 1 object(s) allocated from:
    #0 0x4d524d in realloc (/usr/bin/gst-discoverer-1.0+0x4d524d)
    #1 0x7f9fe9946b6c in g_realloc (/usr/lib64/libglib-2.0.so.0+0x4fb6c)
    #2 0x7f9fdd3cc136 in qtdemux_inflate
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:6897:27
    #3 0x7f9fdd3cc136 in qtdemux_parse_moov
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:6951
    #4 0x7f9fdd3c08b8 in gst_qtdemux_loop_state_header
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:4218:7
    #5 0x7f9fdd3c08b8 in gst_qtdemux_loop
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:5753
    #6 0x7f9fea76c5d3 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #7 0x7f9fe9969627  (/usr/lib64/libglib-2.0.so.0+0x72627)
    #8 0x7f9fe9968c94  (/usr/lib64/libglib-2.0.so.0+0x71c94)
    #9 0x7f9fe93e5453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #10 0x7f9fe8f155dc in clone (/lib64/libc.so.6+0xe75dc)

SUMMARY: AddressSanitizer: 8911 byte(s) leaked in 2 allocation(s).

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