[oss-fuzz 6015292738437120] Heap-buffer-overflow cc_storage_append
Ref:
xeon ~/work/git/vlc-security-tools $ VLC_TARGET=h265 ASAN_OPTIONS=detect_leaks=0:halt_on_error=1:exitcode=43 \
/home/tom/work/git/vlc-3.0/build-asan-sec-fixed/test/vlc-demux-dec-run /home/tom/Downloads/clusterfuzz-testcase-minimized-vlc-demux-dec-libfuzzer-h265-6015292738437120
=================================================================
==2133296==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5020000261d8 at pc 0x7fa498b28346 bp 0x7ffcec7885b0 sp 0x7ffcec7885a8
READ of size 1 at 0x5020000261d8 thread T0
#0 0x7fa498b28345 in cc_Extract ../../modules/packetizer/../codec/cc.h:263
#1 0x7fa498b28da1 in cc_storage_append ../../modules/packetizer/hxxx_common.c:72
#2 0x7fa498b1a3ca in ParseSEICallback ../../modules/packetizer/hevc.c:990
#3 0x7fa498b26e7c in HxxxParseSEI ../../modules/packetizer/hxxx_sei.c:131
#4 0x7fa498b27459 in HxxxParse_AnnexB_SEI ../../modules/packetizer/hxxx_sei.c:35
#5 0x7fa498b19851 in ParseStoredSEI ../../modules/packetizer/hevc.c:638
#6 0x7fa498b19ccb in ParseVCL ../../modules/packetizer/hevc.c:679
#7 0x7fa498b1b89f in ParseNALBlock ../../modules/packetizer/hevc.c:904
#8 0x7fa498b1bc65 in PacketizeParse ../../modules/packetizer/hevc.c:935
#9 0x7fa498b1659f in packetizer_PacketizeBlock ../../modules/packetizer/packetizer_helper.h:208
#10 0x7fa498b16b82 in packetizer_Packetize ../../modules/packetizer/packetizer_helper.h:241
#11 0x7fa498b16c8d in PacketizeAnnexB ../../modules/packetizer/hevc.c:316
#12 0x7fa499451df8 in Demux ../../modules/demux/mpeg/h26x.c:430
#13 0x55a479e3e3ac in demux_Demux ../../include/vlc_demux.h:354
#14 0x55a479e3e3ac in demux_process_stream ../../test/src/input/demux-run.c:284
#15 0x55a479e3e65d in vlc_demux_process_url ../../test/src/input/demux-run.c:326
#16 0x55a479e3e6fc in vlc_demux_process_path ../../test/src/input/demux-run.c:340
#17 0x55a479e3d549 in main ../../test/vlc-demux-run.c:50
#18 0x7fa499a33ca7 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#19 0x7fa499a33d64 in __libc_start_main_impl ../csu/libc-start.c:360
#20 0x55a479e3d350 in _start (/home/tom/work/git/vlc-3.0/build-asan-sec-fixed/test/vlc-demux-dec-run+0x2350) (BuildId: 865a9cbe90a5102dceb30d6f775cc7bc868c79e3)
0x5020000261d8 is located 0 bytes after 8-byte region [0x5020000261d0,0x5020000261d8)
allocated by thread T0 here:
#0 0x7fa49a0f4c57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x7fa498b269fe in HxxxParseSEI ../../modules/packetizer/hxxx_sei.c:110
#2 0x7fa498b27459 in HxxxParse_AnnexB_SEI ../../modules/packetizer/hxxx_sei.c:35
#3 0x7fa498b19851 in ParseStoredSEI ../../modules/packetizer/hevc.c:638
#4 0x7fa498b19ccb in ParseVCL ../../modules/packetizer/hevc.c:679
#5 0x7fa498b1b89f in ParseNALBlock ../../modules/packetizer/hevc.c:904
#6 0x7fa498b1bc65 in PacketizeParse ../../modules/packetizer/hevc.c:935
#7 0x7fa498b1659f in packetizer_PacketizeBlock ../../modules/packetizer/packetizer_helper.h:208
#8 0x7fa498b16b82 in packetizer_Packetize ../../modules/packetizer/packetizer_helper.h:241
#9 0x7fa498b16c8d in PacketizeAnnexB ../../modules/packetizer/hevc.c:316
#10 0x7fa499451df8 in Demux ../../modules/demux/mpeg/h26x.c:430
#11 0x55a479e3e3ac in demux_Demux ../../include/vlc_demux.h:354
#12 0x55a479e3e3ac in demux_process_stream ../../test/src/input/demux-run.c:284
#13 0x55a479e3e65d in vlc_demux_process_url ../../test/src/input/demux-run.c:326
#14 0x55a479e3e6fc in vlc_demux_process_path ../../test/src/input/demux-run.c:340
#15 0x55a479e3d549 in main ../../test/vlc-demux-run.c:50
#16 0x7fa499a33ca7 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
SUMMARY: AddressSanitizer: heap-buffer-overflow ../../modules/packetizer/../codec/cc.h:263 in cc_Extract
Shadow bytes around the buggy address:
0x502000025f00: fa fa fd fd fa fa fd fa fa fa fd fd fa fa fd fd
0x502000025f80: fa fa fd fd fa fa fd fd fa fa fd fa fa fa fd fd
0x502000026000: fa fa fd fd fa fa fd fa fa fa fd fd fa fa fd fd
0x502000026080: fa fa fd fd fa fa fd fd fa fa fd fa fa fa fd fd
0x502000026100: fa fa fd fd fa fa fd fa fa fa fd fd fa fa fd fd
=>0x502000026180: fa fa 05 fa fa fa 05 fa fa fa 00[fa]fa fa fa fa
0x502000026200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x502000026280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x502000026300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x502000026380: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x502000026400: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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
==2133296==ABORTING
Samples: