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- 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 ...). 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/
System info:
Ubuntu 18.04.6 LTS, X64, gcc version 7.4.0, gpac (latest master 4a7a63)
Compile Command:
$ CC="gcc -fsanitize=address -g" CXX="g++ -fsanitize=address -g" ./configure --static-mp4box
$ makeRun Command:
./MP4Box -dash 1000 crash_3ASAN info:
=================================================================
==13768==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000004 (pc 0x562656a3daf0 bp 0x000000000001 sp 0x7ffee325fef0 T0)
==13768==The signal is caused by a READ memory access.
==13768==Hint: address points to the zero page.
#0 0x562656a3daef in gf_dash_segmenter_probe_input media_tools/dash_segmenter.c:5264
#1 0x562656a6350a in gf_dasher_add_input media_tools/dash_segmenter.c:6669
#2 0x56265663ea6f in mp4boxMain /home/dr3dd/fuzzing/gpac/applications/mp4box/main.c:4704
#3 0x7fab411e9b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x56265662d7a9 in _start (/home/dr3dd/fuzzing/gpac/bin/gcc/MP4Box+0x1657a9)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV media_tools/dash_segmenter.c:5264 in gf_dash_segmenter_probe_input
==13768==ABORTINGgdb info:
(gdb) r -dash 1000 ~/gpac_poc/crash_3
Starting program: /home/dr3dd/fuzzing/gpac/bin/gcc/MP4Box -dash 1000 ~/gpac_poc/crash_2
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
0x0000555555bf408c in gf_dash_segmenter_probe_input (io_dash_inputs=io_dash_inputs@entry=0x5555562c4978,
nb_dash_inputs=nb_dash_inputs@entry=0x5555562c4980, idx=idx@entry=0) at media_tools/dash_segmenter.c:5264
5264 if (esd && (esd->decoderConfig->objectTypeIndication == GPAC_OTI_VIDEO_HEVC || esd->decoderConfig->objectTypeIndication == GPAC_OTI_VIDEO_LHVC)) {
(gdb) bt
#0 0x0000555555bf408c in gf_dash_segmenter_probe_input (io_dash_inputs=io_dash_inputs@entry=0x5555562c4978,
nb_dash_inputs=nb_dash_inputs@entry=0x5555562c4980, idx=idx@entry=0) at media_tools/dash_segmenter.c:5264
#1 0x0000555555c2dabb in gf_dasher_add_input (dasher=0x5555562c4970, input=<optimized out>)
at media_tools/dash_segmenter.c:6669
#2 0x00005555555c88f5 in mp4boxMain (argc=<optimized out>, argv=<optimized out>) at main.c:4704
#3 0x00007ffff722bb97 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00005555555a3e0a in _start () at main.c:5985
(gdb)Here is crash file:
crash_3.zip
Thanks
dr3dd
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