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$ ./dec265 -h
dec265 v1.0.8
--------------
usage: dec265 [options] videofile.bin
The video file must be a raw bitstream, or a stream with NAL units (option -n).
options:
-q, --quiet do not show decoded image
-t, --threads N set number of worker threads (0 - no threading)
-c, --check-hash perform hash check
-n, --nal input is a stream with 4-byte length prefixed NAL units
-f, --frames N set number of frames to process
-o, --output write YUV reconstruction
-d, --dump dump headers
-0, --noaccel do not use any accelerated code (SSE)
-v, --verbose increase verbosity level (up to 3 times)
-L, --no-logging disable logging
-B, --write-bytestream FILENAME write raw bytestream (from NAL input)
-m, --measure YUV compute PSNRs relative to reference YUV
-T, --highest-TID selecthighest temporal sublayer to decode
--disable-deblocking disable deblocking filter
--disable-sao disable sample-adaptive offset filter
-h, --help show help
Replay
git clone https://github.com/strukturag/libde265.git
cd libde265
mkdir build
cd build
cmake ../ -DCMAKE_CXX_FLAGS="-fsanitize=address"
make -j$(nproc)
./dec265/dec265 poc2
ASAN
WARNING: end_of_sub_stream_one_bit not set to 1 when it should be
WARNING: CTB outside of image area (concealing stream error...)
WARNING: non-existing PPS referenced
WARNING: non-existing PPS referenced
WARNING: pps header invalid
WARNING: non-existing PPS referenced
WARNING: pps header invalid
WARNING: slice header invalid
WARNING: pps header invalid
=================================================================
==35433==ERROR: AddressSanitizer: unknown-crash on address 0x7f812fbf9806 at pc 0x7f812e8b6a7a bp 0x7fffdae90350 sp 0x7fffdae90340
READ of size 16 at 0x7f812fbf9806 thread T0
#0 0x7f812e8b6a79 in ff_hevc_put_hevc_qpel_h_3_v_3_sse(short*, long, unsigned char const*, long, int, int, short*) (/libde265/build/libde265/liblibde265.so+0x28fa79)#1 0x7f812e79e37d in acceleration_functions::put_hevc_qpel(short*, long, void const*, long, int, int, short*, int, int, int) const (/libde265/build/libde265/liblibde265.so+0x17737d)#2 0x7f812e79f8ab in void mc_luma<unsigned char>(base_context const*, seq_parameter_set const*, int, int, int, int, short*, int, unsigned char const*, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x1788ab)#3 0x7f812e790995 in generate_inter_prediction_samples(base_context*, slice_segment_header const*, de265_image*, int, int, int, int, int, int, int, PBMotion const*) (/libde265/build/libde265/liblibde265.so+0x169995)#4 0x7f812e79d90f in decode_prediction_unit(base_context*, slice_segment_header const*, de265_image*, PBMotionCoding const&, int, int, int, int, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x17690f)#5 0x7f812e7d87e3 in read_prediction_unit(thread_context*, int, int, int, int, int, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x1b17e3)#6 0x7f812e7da3fe in read_coding_unit(thread_context*, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x1b33fe)#7 0x7f812e7db250 in read_coding_quadtree(thread_context*, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x1b4250)#8 0x7f812e7db163 in read_coding_quadtree(thread_context*, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x1b4163)#9 0x7f812e7db163 in read_coding_quadtree(thread_context*, int, int, int, int) (/libde265/build/libde265/liblibde265.so+0x1b4163)#10 0x7f812e7d2726 in read_coding_tree_unit(thread_context*) (/libde265/build/libde265/liblibde265.so+0x1ab726)#11 0x7f812e7db9ea in decode_substream(thread_context*, bool, bool) (/libde265/build/libde265/liblibde265.so+0x1b49ea)#12 0x7f812e7dd70f in read_slice_segment_data(thread_context*) (/libde265/build/libde265/liblibde265.so+0x1b670f)#13 0x7f812e73c6d2 in decoder_context::decode_slice_unit_sequential(image_unit*, slice_unit*) (/libde265/build/libde265/liblibde265.so+0x1156d2)#14 0x7f812e73cec1 in decoder_context::decode_slice_unit_parallel(image_unit*, slice_unit*) (/libde265/build/libde265/liblibde265.so+0x115ec1)#15 0x7f812e73bc0f in decoder_context::decode_some(bool*) (/libde265/build/libde265/liblibde265.so+0x114c0f)#16 0x7f812e73b93d in decoder_context::read_slice_NAL(bitreader&, NAL_unit*, nal_header&) (/libde265/build/libde265/liblibde265.so+0x11493d)#17 0x7f812e73e43e in decoder_context::decode_NAL(NAL_unit*) (/libde265/build/libde265/liblibde265.so+0x11743e)#18 0x7f812e73eab3 in decoder_context::decode(int*) (/libde265/build/libde265/liblibde265.so+0x117ab3)#19 0x7f812e725e95 in de265_decode (/libde265/build/libde265/liblibde265.so+0xfee95)#20 0x55b9f5596bc9 in main (/libde265/build/dec265/dec265+0x6bc9)#21 0x7f812e257c86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)#22 0x55b9f55949b9 in _start (/libde265/build/dec265/dec265+0x49b9)
0x7f812fbf9810 is located 0 bytes to the right of 131088-byte region [0x7f812fbd9800,0x7f812fbf9810)
allocated by thread T0 here:
#0 0x7f812ec4e790 in posix_memalign (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdf790)#1 0x7f812e7771cb in ALLOC_ALIGNED(unsigned long, unsigned long) (/libde265/build/libde265/liblibde265.so+0x1501cb)#2 0x7f812e77792a in de265_image_get_buffer(void*, de265_image_spec*, de265_image*, void*) (/libde265/build/libde265/liblibde265.so+0x15092a)#3 0x7f812e779d1a in de265_image::alloc_image(int, int, de265_chroma, std::shared_ptr<seq_parameter_set const>, bool, decoder_context*, long, void*, bool) (/libde265/build/libde265/liblibde265.so+0x152d1a)#4 0x7f812e75e0cc in decoded_picture_buffer::new_image(std::shared_ptr<seq_parameter_set const>, decoder_context*, long, void*, bool) (/libde265/build/libde265/liblibde265.so+0x1370cc)#5 0x7f812e73f824 in decoder_context::generate_unavailable_reference_picture(seq_parameter_set const*, int, bool) (/libde265/build/libde265/liblibde265.so+0x118824)#6 0x7f812e742332 in decoder_context::process_reference_picture_set(slice_segment_header*) (/libde265/build/libde265/liblibde265.so+0x11b332)#7 0x7f812e745d70 in decoder_context::process_slice_segment_header(slice_segment_header*, de265_error*, long, nal_header*, void*) (/libde265/build/libde265/liblibde265.so+0x11ed70)#8 0x7f812e73b246 in decoder_context::read_slice_NAL(bitreader&, NAL_unit*, nal_header&) (/libde265/build/libde265/liblibde265.so+0x114246)#9 0x7f812e73e43e in decoder_context::decode_NAL(NAL_unit*) (/libde265/build/libde265/liblibde265.so+0x11743e)#10 0x7f812e73eab3 in decoder_context::decode(int*) (/libde265/build/libde265/liblibde265.so+0x117ab3)#11 0x7f812e725e95 in de265_decode (/libde265/build/libde265/liblibde265.so+0xfee95)#12 0x55b9f5596bc9 in main (/libde265/build/dec265/dec265+0x6bc9)#13 0x7f812e257c86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
SUMMARY: AddressSanitizer: unknown-crash (/libde265/build/libde265/liblibde265.so+0x28fa79) in ff_hevc_put_hevc_qpel_h_3_v_3_sse(short*, long, unsigned char const*, long, int, int, short*)
Shadow bytes around the buggy address:
0x0ff0a5f772b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff0a5f772c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff0a5f772d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff0a5f772e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff0a5f772f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0ff0a5f77300:[00]00 fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ff0a5f77310: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ff0a5f77320: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ff0a5f77330: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ff0a5f77340: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0ff0a5f77350: 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
==35433==ABORTING
Description
SUMMARY: AddressSanitizer: unknown-crash (/libde265/build/libde265/liblibde265.so+0x28fa79) in ff_hevc_put_hevc_qpel_h_3_v_3_sse(short*, long, unsigned char const*, long, int, int, short*)
Version
Replay
ASAN
POC
https://github.com/FDU-Sec/poc/blob/main/libde265/poc2
Environment
Credit
Peng Deng (Fudan University)
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