The gf_dump_setup function in GPAC 1.0.1 allows malicoius users to cause a denial of service (Invalid memory address dereference) via a crafted file in the MP4Box command.
Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

- [Yes ] I looked for a similar issue and couldn't find any.
- [ Yes] I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
- [ Yes] I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

**Version:**
```
./MP4Box -version
MP4Box - GPAC version 1.1.0-DEV-rev1527-g6fcf9819e-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-mp4box --prefix=/home/zxq/CVE_testing/sourceproject/gpac/cmakebuild --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 
```
**System information**
Ubuntu 20.04.1 LTS, gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)

**command:**
```
./bin/gcc/MP4Box -lsr POC
```
[POC.zip](https://github.com/gpac/gpac/files/7690542/POC.zip)
**Result**
```
[iso file] extra box maxr found in hinf, deleting
[iso file] extra box maxr found in hinf, deleting
[ODF] Error reading descriptor (tag 4 size 0): Invalid MPEG-4 Descriptor
[iso file] Incomplete box mdat - start 11495 size 128
[iso file] Incomplete file while reading for dump - aborting parsing
[iso file] extra box maxr found in hinf, deleting
[iso file] extra box maxr found in hinf, deleting
[ODF] Error reading descriptor (tag 4 size 0): Invalid MPEG-4 Descriptor
[iso file] Incomplete box mdat - start 11495 size 128
[iso file] Incomplete file while reading for dump - aborting parsing
MPEG-4 BIFS Scene Parsing
[MP4 Loading] Unable to fetch sample 1 from track ID 8 - aborting track import
Scene loaded - dumping 1 systems streams
[1]    1233733 segmentation fault 
```

**gdb information:**
```
[----------------------------------registers-----------------------------------]
RAX: 0x0 
RBX: 0x400788 --> 0x0 
RCX: 0x0 
RDX: 0x0 
RSI: 0x0 
RDI: 0x10f40f0 --> 0x10f4590 --> 0x10f4460 --> 0x70003 
RBP: 0x7fffffff87b0 --> 0x7fffffff8850 --> 0x7fffffff9950 --> 0x7fffffffe1f0 --> 0x7fffffffe210 --> 0xd078f0 (<__libc_csu_init>:	endbr64)
RSP: 0x7fffffff8750 --> 0x10f4090 --> 0x10002 
RIP: 0x6d9986 (<gf_dump_setup+365>:	movzx  eax,BYTE PTR [rax+0x8])
R8 : 0xe3d1d3 (" Scene Dump -->\n")
R9 : 0x12 
R10: 0xfffffffb 
R11: 0xe3d1c2 --> 0x565300526553414c ('LASeR')
R12: 0xd07990 (<__libc_csu_fini>:	endbr64)
R13: 0x0 
R14: 0x10a3018 --> 0xd7e490 (<__memmove_avx_unaligned_erms>:	endbr64)
R15: 0x0
EFLAGS: 0x10206 (carry PARITY adjust zero sign trap INTERRUPT direction overflow)
[-------------------------------------code-------------------------------------]
   0x6d997a <gf_dump_setup+353>:	mov    QWORD PTR [rbp-0x38],rax
   0x6d997e <gf_dump_setup+357>:	mov    rax,QWORD PTR [rbp-0x38]
   0x6d9982 <gf_dump_setup+361>:	mov    rax,QWORD PTR [rax+0x18]
=> 0x6d9986 <gf_dump_setup+365>:	movzx  eax,BYTE PTR [rax+0x8]
   0x6d998a <gf_dump_setup+369>:	cmp    al,0x3
   0x6d998c <gf_dump_setup+371>:	jne    0x6d99ff <gf_dump_setup+486>
   0x6d998e <gf_dump_setup+373>:	mov    rax,QWORD PTR [rbp-0x38]
   0x6d9992 <gf_dump_setup+377>:	mov    rax,QWORD PTR [rax+0x18]
[------------------------------------stack-------------------------------------]
0000| 0x7fffffff8750 --> 0x10f4090 --> 0x10002 
0008| 0x7fffffff8758 --> 0x10f47d0 --> 0x10e99f0 --> 0x0 
0016| 0x7fffffff8760 --> 0x500400788 
0024| 0x7fffffff8768 --> 0x200000000 
0032| 0x7fffffff8770 --> 0x10f4090 --> 0x10002 
0040| 0x7fffffff8778 --> 0x10f4460 --> 0x70003 
0048| 0x7fffffff8780 --> 0x7fffffff87b0 --> 0x7fffffff8850 --> 0x7fffffff9950 --> 0x7fffffffe1f0 --> 0x7fffffffe210 (--> ...)
0056| 0x7fffffff8788 --> 0x444a92 (<gf_list_enum+61>:	mov    QWORD PTR [rbp-0x8],rax)
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
gf_dump_setup (sdump=0x10f47d0, root_od=0x10f4090) at scene_manager/scene_dump.c:243
243					if (esd->decoderConfig->streamType != GF_STREAM_SCENE) continue;

```


 A segmentation fault  in gf_dump_setup() at scene_manager/scene_dump.c:243 
This is a GitHub Issue
repo:gpac
owner:gpac
Title :  A segmentation fault  in gf_dump_setup() at scene_manager/scene_dump.c:243 
Issue date:

--- start body ---
Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

- [Yes ] I looked for a similar issue and couldn't find any.
- [ Yes] I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
- [ Yes] I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

**Version:**
```
./MP4Box -version
MP4Box - GPAC version 1.1.0-DEV-rev1527-g6fcf9819e-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-mp4box --prefix=/home/zxq/CVE_testing/sourceproject/gpac/cmakebuild --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 
```
**System information**
Ubuntu 20.04.1 LTS, gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)

**command:**
```
./bin/gcc/MP4Box -lsr POC
```
[POC.zip](https://github.com/gpac/gpac/files/7690542/POC.zip)
**Result**
```
[iso file] extra box maxr found in hinf, deleting
[iso file] extra box maxr found in hinf, deleting
[ODF] Error reading descriptor (tag 4 size 0): Invalid MPEG-4 Descriptor
[iso file] Incomplete box mdat - start 11495 size 128
[iso file] Incomplete file while reading for dump - aborting parsing
[iso file] extra box maxr found in hinf, deleting
[iso file] extra box maxr found in hinf, deleting
[ODF] Error reading descriptor (tag 4 size 0): Invalid MPEG-4 Descriptor
[iso file] Incomplete box mdat - start 11495 size 128
[iso file] Incomplete file while reading for dump - aborting parsing
MPEG-4 BIFS Scene Parsing
[MP4 Loading] Unable to fetch sample 1 from track ID 8 - aborting track import
Scene loaded - dumping 1 systems streams
[1]    1233733 segmentation fault 
```

**gdb information:**
```
[----------------------------------registers-----------------------------------]
RAX: 0x0 
RBX: 0x400788 --> 0x0 
RCX: 0x0 
RDX: 0x0 
RSI: 0x0 
RDI: 0x10f40f0 --> 0x10f4590 --> 0x10f4460 --> 0x70003 
RBP: 0x7fffffff87b0 --> 0x7fffffff8850 --> 0x7fffffff9950 --> 0x7fffffffe1f0 --> 0x7fffffffe210 --> 0xd078f0 (<__libc_csu_init>:	endbr64)
RSP: 0x7fffffff8750 --> 0x10f4090 --> 0x10002 
RIP: 0x6d9986 (<gf_dump_setup+365>:	movzx  eax,BYTE PTR [rax+0x8])
R8 : 0xe3d1d3 (" Scene Dump -->\n")
R9 : 0x12 
R10: 0xfffffffb 
R11: 0xe3d1c2 --> 0x565300526553414c ('LASeR')
R12: 0xd07990 (<__libc_csu_fini>:	endbr64)
R13: 0x0 
R14: 0x10a3018 --> 0xd7e490 (<__memmove_avx_unaligned_erms>:	endbr64)
R15: 0x0
EFLAGS: 0x10206 (carry PARITY adjust zero sign trap INTERRUPT direction overflow)
[-------------------------------------code-------------------------------------]
   0x6d997a <gf_dump_setup+353>:	mov    QWORD PTR [rbp-0x38],rax
   0x6d997e <gf_dump_setup+357>:	mov    rax,QWORD PTR [rbp-0x38]
   0x6d9982 <gf_dump_setup+361>:	mov    rax,QWORD PTR [rax+0x18]
=> 0x6d9986 <gf_dump_setup+365>:	movzx  eax,BYTE PTR [rax+0x8]
   0x6d998a <gf_dump_setup+369>:	cmp    al,0x3
   0x6d998c <gf_dump_setup+371>:	jne    0x6d99ff <gf_dump_setup+486>
   0x6d998e <gf_dump_setup+373>:	mov    rax,QWORD PTR [rbp-0x38]
   0x6d9992 <gf_dump_setup+377>:	mov    rax,QWORD PTR [rax+0x18]
[------------------------------------stack-------------------------------------]
0000| 0x7fffffff8750 --> 0x10f4090 --> 0x10002 
0008| 0x7fffffff8758 --> 0x10f47d0 --> 0x10e99f0 --> 0x0 
0016| 0x7fffffff8760 --> 0x500400788 
0024| 0x7fffffff8768 --> 0x200000000 
0032| 0x7fffffff8770 --> 0x10f4090 --> 0x10002 
0040| 0x7fffffff8778 --> 0x10f4460 --> 0x70003 
0048| 0x7fffffff8780 --> 0x7fffffff87b0 --> 0x7fffffff8850 --> 0x7fffffff9950 --> 0x7fffffffe1f0 --> 0x7fffffffe210 (--> ...)
0056| 0x7fffffff8788 --> 0x444a92 (<gf_list_enum+61>:	mov    QWORD PTR [rbp-0x8],rax)
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
gf_dump_setup (sdump=0x10f47d0, root_od=0x10f4090) at scene_manager/scene_dump.c:243
243					if (esd->decoderConfig->streamType != GF_STREAM_SCENE) continue;

```


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