Skip to content

Segmentation fault caused by null pointer dereference using mp4box in gf_isom_get_payt_count, hint_track.c:990 #1904

Closed
@5hadowblad3

Description

@5hadowblad3
  • I looked for a similar issue and couldn't find any.
  • I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
  • I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...).

Hi, there.

There is a segmentation fault caused by null pointer dereference in gf_isom_get_payt_count, hint_track.c:990 in commit d003a57.

Here is my environment, compiler info and gpac version:

Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.6 LTS
Release:	16.04
Codename:	xenial
gcc: 5.4.0

MP4Box - GPAC version 1.1.0-DEV-rev1191-g55d6dbc-master
(c) 2000-2021 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
	MINI build (encoders, decoders, audio and video output disabled)

Please cite our work in your research:
	GPAC Filters: https://doi.org/10.1145/3339825.3394929
	GPAC: https://doi.org/10.1145/1291233.1291452

GPAC Configuration: --static-bin --enable-debug
Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_FREETYPE GPAC_HAS_JPEG GPAC_HAS_PNG  GPAC_DISABLE_3D

To reproduce, run

./MP4Box -info poc

POC:
poc.zip
(unzip first)

Here is the trace reported by gdb:

Stopped reason: SIGSEGV
gef➤  bt
#0  0x0000000000ab4f30 in gf_isom_get_payt_count (the_file=the_file@entry=0x248c220, trackNumber=trackNumber@entry=0x4) at /mnt/data/playground/gpac/src/isomedia/hint_track.c:990
#1  0x0000000000490533 in DumpTrackInfo (file=file@entry=0x248c220, trackID=0x6, trackID@entry=0x4, full_dump=full_dump@entry=GF_FALSE, is_track_num=is_track_num@entry=GF_TRUE, dump_m4sys=dump_m4sys@entry=GF_TRUE) at /mnt/data/playground/gpac/applications/mp4box/filedump.c:3178
#2  0x0000000000491d78 in DumpMovieInfo (file=0x248c220, full_dump=GF_FALSE) at /mnt/data/playground/gpac/applications/mp4box/filedump.c:3789
#3  0x0000000000456587 in mp4boxMain (argc=<optimized out>, argv=<optimized out>) at /mnt/data/playground/gpac/applications/mp4box/main.c:6023
#4  0x0000000001f06976 in generic_start_main ()
#5  0x0000000001f06f65 in __libc_start_main ()
#6  0x000000000041c4e9 in _start ()

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions