[FFmpeg-trac] #1531(avcodec:open): mss1 crash

FFmpeg trac at avcodec.org
Fri Jul 13 07:40:25 CEST 2012


#1531: mss1 crash
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  crash        |               Blocked By:
  SIGSEGV mss1                       |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  new => open
 * reproduced:  0 => 1
 * component:  undetermined => avcodec
 * priority:  normal => important
 * version:  unspecified => git-master
 * keywords:   => crash SIGSEGV mss1


Comment:

 {{{
 (gdb) bt
 #0  0xb79ca1f7 in memset () from /lib/libc.so.6
 #1  0x084e1659 in decode_region_intra (ctx=<value optimized out>,
     acoder=0xbfc932bc, x=319, y=<value optimized out>, width=-1, height=2)
     at libavcodec/mss1.c:600
 #2  0x084e1ae9 in decode_intra (ctx=0xb77a6020, acoder=0xbfc932bc, x=319,
 y=0,
     width=1, height=2) at libavcodec/mss1.c:634
 #3  0x084e1a77 in decode_intra (ctx=0xb77a6020, acoder=0xbfc932bc, x=319,
 y=0,
     width=1, height=3) at libavcodec/mss1.c:625
 #4  0x084e1a77 in decode_intra (ctx=0xb77a6020, acoder=0xbfc932bc, x=319,
 y=0,
     width=1, height=240) at libavcodec/mss1.c:625
 #5  0x084e1a9f in decode_intra (ctx=0xb77a6020, acoder=0xbfc932bc, x=0,
 y=0,
     width=1, height=240) at libavcodec/mss1.c:636
 #6  0x084e2a7c in mss1_decode_frame (avctx=0x90437a0, data=0x903bb00,
     data_size=0xbfc936e4, avpkt=0xbfc93320) at libavcodec/mss1.c:738
 #7  0x08595805 in avcodec_decode_video2 (avctx=0x90437a0,
 picture=0x903bb00,
     got_picture_ptr=0xbfc935c4, avpkt=0xf) at libavcodec/utils.c:1520
 #8  0x08059592 in output_packet (ist=0x90445e0, pkt=0xbfc939ec)
     at ffmpeg.c:2481
 #9  0x0805b906 in main (argc=Cannot access memory at address 0x3ffc35f7
 ) at ffmpeg.c:3684
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1531#comment:1>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list