[libav-bugs] [Bug 1047] segfault in ff_sbr_hf_gen_sse.loop2

bugzilla at libav.org bugzilla at libav.org
Mon Apr 17 22:04:58 CEST 2017


https://bugzilla.libav.org/show_bug.cgi?id=1047

lu_zero at gentoo.org <lu_zero at gentoo.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |lu_zero at gentoo.org

--- Comment #2 from lu_zero at gentoo.org <lu_zero at gentoo.org> ---
Here a backtrace with more information.

ff_sbr_hf_gen_sse () at /usr/src/libav/libavcodec/x86/sbrdsp.asm:182
182        mova  [X_highq + start], m5
(rr) bt
#0  ff_sbr_hf_gen_sse () at /usr/src/libav/libavcodec/x86/sbrdsp.asm:182
#1  0x0000000000b56f56 in sbr_hf_gen (ac=0x30511c0, sbr=0x7fa9a40b8720,
X_high=0x7fa9a40fb380, X_low=0x7fa9a40f8b80,
    alpha0=0x7fa9a4109b80, alpha1=0x7fa9a4109d80, bw_array=0x7fa9a40d16cc,
t_env=0x7fa9a40e342c "", bs_num_env=0)
    at /usr/src/libav/libavcodec/aacsbr.c:1347
#2  0x0000000000b59899 in ff_sbr_apply (ac=0x30511c0, sbr=0x7fa9a40b8720,
id_aac=1, L=0x30c0ee0, R=0x30b6760)
    at /usr/src/libav/libavcodec/aacsbr.c:1682
#3  0x0000000000b4acdb in spectral_to_sample (ac=0x30511c0) at
/usr/src/libav/libavcodec/aacdec.c:2691
#4  0x0000000000b4b86e in aac_decode_frame_int (avctx=0x304f960,
data=0x3050de0, got_frame_ptr=0x7ffd32a2e748, gb=0x7ffd32a2e6d0)
    at /usr/src/libav/libavcodec/aacdec.c:2944
#5  0x0000000000b4bb85 in aac_decode_frame (avctx=0x304f960, data=0x3050de0,
got_frame_ptr=0x7ffd32a2e748, avpkt=0x30510e0)
    at /usr/src/libav/libavcodec/aacdec.c:3010
#6  0x00000000005f25df in decode_simple_internal (avctx=0x304f960,
frame=0x3050de0) at /usr/src/libav/libavcodec/decode.c:335
#7  0x00000000005f2834 in decode_simple_receive_frame (avctx=0x304f960,
frame=0x3050de0)
    at /usr/src/libav/libavcodec/decode.c:386
#8  0x00000000005f2909 in decode_receive_frame_internal (avctx=0x304f960,
frame=0x3050de0)
    at /usr/src/libav/libavcodec/decode.c:404
#9  0x00000000005f2a86 in avcodec_send_packet (avctx=0x304f960,
avpkt=0x7ffd32a2e840) at /usr/src/libav/libavcodec/decode.c:441
#10 0x000000000056b086 in try_decode_frame (s=0x303e060, st=0x304f160,
avpkt=0x7ffd32a2ea60, options=0x0)
    at /usr/src/libav/libavformat/utils.c:1950
#11 0x000000000056cb15 in avformat_find_stream_info (ic=0x303e060, options=0x0)
at /usr/src/libav/libavformat/utils.c:2459
#12 0x000000000040704f in open_input_file (o=0x7ffd32a2ec80,
filename=0x7ffd32a3123f "/root/Samples/crasher/bug_1047")
    at /usr/src/libav/avtools/avconv_opt.c:803
#13 0x000000000040e47d in open_files (l=0x303e898, inout=0xecb1d7 "input",
open_file=0x406b5e <open_input_file>)
    at /usr/src/libav/avtools/avconv_opt.c:2449
#14 0x000000000040e5fa in avconv_parse_options (argc=6, argv=0x7ffd32a2f1c8) at
/usr/src/libav/avtools/avconv_opt.c:2486
#15 0x0000000000420aab in main (argc=6, argv=0x7ffd32a2f1c8) at
/usr/src/libav/avtools/avconv.c:2910

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