Opened 9 years ago
Closed 8 years ago
#5137 closed defect (duplicate)
signed integer overflow in weight_h264_pixels2_9_c()
Reported by: | tsmith | Owned by: | |
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Priority: | normal | Component: | avcodec |
Version: | git-master | Keywords: | h264 ubsan |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description
Summary of the bug:
UBSan: libavcodec/h264dsp_template.c:98:1: runtime error: signed integer overflow: 256 * 2028513204 cannot be represented in type 'int'
How to reproduce:
% ffmpeg -ivf -i <test_case> -f null - ffmpeg version N-77718-g72673ad Copyright (c) 2000-2016 the FFmpeg developers built with Ubuntu clang version 3.7.1-svn253742-1~exp1 (branches/release_37) (based on LLVM 3.7.1) configuration: --cc=clang --cxx=clang++ --disable-libxcb --disable-xlib --disable-logging --disable-ffprobe --disable-ffplay --disable-sdl --disable-ffserver --disable-doc --disable-pthreads --disable-network --disable-d3d11va --disable-dxva2 --disable-vaapi --disable-vda --disable-vdpau --disable-stripping --disable-runtime-cpudetect --disable-securetransport --disable-iconv libavutil 55. 12.100 / 55. 12.100 libavcodec 57. 22.100 / 57. 22.100 libavformat 57. 21.101 / 57. 21.101 libavdevice 57. 0.100 / 57. 0.100 libavfilter 6. 23.100 / 6. 23.100 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.101 / 2. 0.101 [h264 @ 0x619000005a80] Warning: not compiled with thread support, using thread emulation [h264 @ 0x619000005a80] sps_id 2 out of range [h264 @ 0x619000005a80] non-existing PPS 0 referenced [h264 @ 0x619000005a80] sps_id 2 out of range [h264 @ 0x619000005a80] non-existing PPS 0 referenced [h264 @ 0x619000005a80] decode_slice_header error [h264 @ 0x619000005a80] data partitioning is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented. [h264 @ 0x619000005a80] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org) [h264 @ 0x619000005a80] non-existing PPS 0 referenced [h264 @ 0x619000005a80] decode_slice_header error [h264 @ 0x619000005a80] FMO not supported [h264 @ 0x619000005a80] first_mb_in_slice overflow [h264 @ 0x619000005a80] decode_slice_header error [h264 @ 0x619000005a80] first_mb_in_slice overflow [h264 @ 0x619000005a80] decode_slice_header error [h264 @ 0x619000005a80] number of reference frames (0+2) exceeds max (1; probably corrupt input), discarding one [ivf @ 0x61b00001f180] decoding for stream 0 failed Input #0, ivf, from '/home/user/Desktop/ffmpeg/ivf_corpus/d4998b87a0de83ca63ee48ec6b4222e3f7c87999': Duration: N/A, bitrate: N/A Stream #0:0: Video: h264 (CAVLC 4:4:4) (V264 / 0x34363256), yuv422p9le, 48x128, 4.20 tbr, 4.20 tbn, 8.39 tbc [wrapped_avframe @ 0x619000003780] Warning: not compiled with thread support, using thread emulation [h264 @ 0x619000004180] Warning: not compiled with thread support, using thread emulation [h264 @ 0x619000004180] sps_id 2 out of range [h264 @ 0x619000004180] Ignoring NAL 1 in global header/extradata [h264 @ 0x619000004180] Ignoring NAL 3 in global header/extradata [h264 @ 0x619000004180] Ignoring NAL 1 in global header/extradata [h264 @ 0x619000004180] FMO not supported Output #0, null, to 'pipe:': Metadata: encoder : Lavf57.21.101 Stream #0:0: Video: wrapped_avframe, yuv422p9le, 48x128, q=2-31, 200 kb/s, 4.20 fps, 4.20 tbn, 4.20 tbc Metadata: encoder : Lavc57.22.100 wrapped_avframe Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native)) Press [q] to stop, [?] for help [h264 @ 0x619000004180] FMO not supported [h264 @ 0x619000004180] reference picture missing during reorder [h264 @ 0x619000004180] Missing reference picture, default is 0 Last message repeated 13 times [h264 @ 0x619000004180] chroma_log2_weight_denom 10 is out of range [h264 @ 0x619000004180] illegal memory management control operation 32 [h264 @ 0x619000004180] co located POCs unavailable [h264 @ 0x619000004180] data partitioning is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented. [h264 @ 0x619000004180] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org) [h264 @ 0x619000004180] Missing reference picture, default is 0 Last message repeated 12 times [h264 @ 0x619000004180] co located POCs unavailable libavcodec/h264dsp_template.c:98:1: runtime error: signed integer overflow: 256 * 2028513204 cannot be represented in type 'int' #0 0x108526b in weight_h264_pixels2_9_c /home/user/code/ffmpeg/libavcodec/h264dsp_template.c:98:1 #1 0xfd8b5c in hl_motion_422_complex /home/user/code/ffmpeg/libavcodec/h264_mc_template.c:135:17 #2 0xfd8b5c in hl_decode_mb_complex /home/user/code/ffmpeg/libavcodec/h264_mb_template.c:176 #3 0x105c63b in decode_slice /home/user/code/ffmpeg/libavcodec/h264_slice.c:2390:21 #4 0x105ae54 in ff_h264_execute_decode_slices /home/user/code/ffmpeg/libavcodec/h264_slice.c:2550:15 #5 0xf8ddc1 in decode_nal_units /home/user/code/ffmpeg/libavcodec/h264.c:1647:23 #6 0xf95900 in h264_decode_frame /home/user/code/ffmpeg/libavcodec/h264.c:1832:17 #7 0x1a3fc96 in avcodec_decode_video2 /home/user/code/ffmpeg/libavcodec/utils.c:2107:19 #8 0x589546 in decode_video /home/user/code/ffmpeg/ffmpeg.c:2069:11 #9 0x589546 in process_input_packet /home/user/code/ffmpeg/ffmpeg.c:2318 #10 0x5990bc in process_input /home/user/code/ffmpeg/ffmpeg.c:3980:5 #11 0x5726c6 in transcode_step /home/user/code/ffmpeg/ffmpeg.c:4068:11 #12 0x5726c6 in transcode /home/user/code/ffmpeg/ffmpeg.c:4122 #13 0x56f73c in main /home/user/code/ffmpeg/ffmpeg.c:4314:9 #14 0x7f9f7c36bec4 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287 #15 0x466445 in _start (/home/user/Desktop/ffmpeg/ffmpeg_full+0x466445)
Attachments (1)
Change History (2)
by , 9 years ago
Attachment: | test_case.ivf added |
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comment:1 by , 8 years ago
Keywords: | h264 ubsan added |
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Resolution: | → duplicate |
Status: | new → closed |
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Probably a duplicate of ticket #5134, also not reproducible since 772ad714.