AddressSanitizer:DEADLYSIGNAL
=================================================================
==2590==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000004 (pc 0x7f10a4aef7e8 bp 0x7ffc623e3300 sp 0x7ffc623e2c20 T0)
==2590==The signal is caused by a READ memory access.
==2590==Hint: address points to the zero page.
#0 0x7f10a4aef7e7 in gf_media_export_filters media_tools/media_export.c:1112
#1 0x7f10a4af1146 in gf_media_export media_tools/media_export.c:1474
#2 0x5605c1f30d36 in do_export_tracks /home/lab4/src/gpac/applications/mp4box/main.c:4646
#3 0x5605c1f35f6a in mp4boxMain /home/lab4/src/gpac/applications/mp4box/main.c:5971
#4 0x5605c1f37653 in main /home/lab4/src/gpac/applications/mp4box/main.c:6335
#5 0x7f10a455a0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
#6 0x5605c1f232ad in _start (/home/lab4/src/gpac/bin/gcc/MP4Box+0x182ad)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV media_tools/media_export.c:1112 in gf_media_export_filters
==2590==ABORTING
A null pointer dereference issue was found in MP4Box, to reproduce, compile gpac as follows:
run poc file :
Detailed ASAN result is as below:
Credit : ADLab of Venustech
poc-null.zip
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