Opened 8 years ago
Closed 8 years ago
#5060 closed defect (invalid)
signed integer overflow in decode_cabac_residual_internal
Reported by: | tsmith | Owned by: | |
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Priority: | normal | Component: | avcodec |
Version: | git-master | Keywords: | h264 |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description (last modified by )
Summary of the bug:
This is an Undefined behavior sanitizer (UBSan) runtime error.
libavcodec/h264_cabac.c:1755:9: runtime error: signed integer overflow: 2147483647 + 14 cannot be represented in type 'int' #0 0x17ec392 in decode_cabac_residual_internal /home/user/code/ffmpeg/libavcodec/h264_cabac.c:1755:9 #1 0x17ec392 in decode_cabac_residual_nondc_internal /home/user/code/ffmpeg/libavcodec/h264_cabac.c:1795 #2 0x17b00ec in decode_cabac_residual_nondc /home/user/code/ffmpeg/libavcodec/h264_cabac.c:1856:5 #3 0x17b00ec in decode_cabac_luma_residual /home/user/code/ffmpeg/libavcodec/h264_cabac.c:1878 #4 0x17b00ec in ff_h264_decode_mb_cabac /home/user/code/ffmpeg/libavcodec/h264_cabac.c:2403 #5 0x96cad2 in decode_slice /home/user/code/ffmpeg/libavcodec/h264_slice.c:2404:23 #6 0x9697d2 in ff_h264_execute_decode_slices /home/user/code/ffmpeg/libavcodec/h264_slice.c:2567:15 #7 0x7a1dcc in decode_nal_units /home/user/code/ffmpeg/libavcodec/h264.c:1655:23 #8 0x7b4469 in h264_decode_frame /home/user/code/ffmpeg/libavcodec/h264.c:1840:17 #9 0xe89945 in avcodec_decode_video2 /home/user/code/ffmpeg/libavcodec/utils.c:2105:19 #10 0x756b2d in try_decode_frame /home/user/code/ffmpeg/libavformat/utils.c:2752:19 #11 0x7434ab in avformat_find_stream_info /home/user/code/ffmpeg/libavformat/utils.c:3401:9 #12 0x507779 in open_input_file /home/user/code/ffmpeg/ffmpeg_opt.c:970:11 #13 0x50365f in open_files /home/user/code/ffmpeg/ffmpeg_opt.c:2939:15 #14 0x502706 in ffmpeg_parse_options /home/user/code/ffmpeg/ffmpeg_opt.c:2976:11 #15 0x57ab79 in main /home/user/code/ffmpeg/ffmpeg.c:4273:11 #16 0x7f965275eec4 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287 #17 0x41ad25 in _start (/home/user/Desktop/ffmpeg/ffmpeg_ub+0x41ad25)
How to reproduce:
% ./ffmpeg -v 0 -nostats -f h264 -i test_case.264 -f null - ffmpeg version N-76984-g259c71c built on Linux x86_64
Patches should be submitted to the ffmpeg-devel mailing list and not this bug tracker.
Attachments (1)
Change History (3)
by , 8 years ago
Attachment: | test_case.264 added |
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comment:1 by , 8 years ago
Description: | modified (diff) |
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comment:2 by , 8 years ago
Keywords: | h264 added |
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Resolution: | → invalid |
Status: | new → closed |
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This is not reproducible with git head, so it must have been fixed by a recent commit.