GitHub Issue #1428

[CCExtractor.org CI Platform]

[BUG] global buffer overflow when parsing TS format - MoqiGod
Link to Issue: https://www.github.com/CCExtractor/ccextractor/issues/1428
MoqiGod

CCExtractor version: {replace with the version}

Version: 0.94

In raising this issue, I confirm the following:

• I have read and understood the contributors guide.
• I have checked that the bug-fix I am reporting can be replicated, or that the feature I am suggesting isn't already present.
• I have checked that the issue I'm posting isn't already reported.
• I have checked that the issue I'm porting isn't already solved and no duplicates exist in closed issues and in opened issues
• I have checked the pull requests tab for existing solutions/implementations to my issue/suggestion.
• I have used the latest available version of CCExtractor to verify this issue exists.

• I have ticked all the boxes in this section and to prove it I'm deleting the section completely to remove boilerplate text.

• What platform did you use? {Window/Linux/Mac}

  Ubuntu21.10

• What were the used arguments? {replace with the arguments}

  ./ccextractor global_example.ts

Additional information

```

==3374324==ERROR: AddressSanitizer: global-buffer-overflow on address 0x000001844050 at pc 0x0000016061df bp 0x7ffcd288a9f0 sp 0x7ffcd288a9e8 READ of size 8 at 0x000001844050 thread T0 #0 0x16061de in slice_header /home/moqi/ccextractor/src/lib_ccx/avc_functions.c:1166:5 #1 0x1600b09 in do_NAL /home/moqi/ccextractor/src/lib_ccx/avc_functions.c:125:3 #2 0x160743c in process_avc /home/moqi/ccextractor/src/lib_ccx/avc_functions.c:249:3 #3 0x167c4c2 in process_data /home/moqi/ccextractor/src/lib_ccx/general_loop.c:721:9 #4 0x168281f in general_loop /home/moqi/ccextractor/src/lib_ccx/general_loop.c:1025:10 #5 0x1107d55 in api_start /home/moqi/ccextractor/src/ccextractor.c:205:11 #6 0x110bed3 in main /home/moqi/ccextractor/src/ccextractor.c:463:18 #7 0x7fe847049fcf in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #8 0x7fe84704a07c in __libc_start_main csu/../csu/libc-start.c:409:3 #9 0x58c604 in _start (/home/moqi/ccextractor/src/build/ccextractor+0x58c604)

0x000001844050 is located 0 bytes to the right of global variable 'slice_types' defined in '/home/moqi/ccextractor/src/lib_ccx/ccx_common_constants.c:91:13' (0x1844000) of size 80 SUMMARY: AddressSanitizer: global-buffer-overflow /home/moqi/ccextractor/src/lib_ccx/avc_functions.c:1166:5 in slice_header Shadow bytes around the buggy address: 0x0000803007b0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x0000803007c0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x0000803007d0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x0000803007e0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x0000803007f0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 =>0x000080300800: 00 00 00 00 00 00 00 00 00 00[f9]f9 f9 f9 f9 f9 0x000080300810: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x000080300820: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x000080300830: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x000080300840: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 0x000080300850: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ``` global_example.ts link :

https://drive.google.com/file/d/1CiRfzglUdyyXz3PwLvJmbJCl9-03SIuj/view?usp=sharing