[FFmpeg-trac] #5500(avcodec:new): ff_h264_decode_nal crash on iOS 32/64 bit

FFmpeg trac at avcodec.org
Mon May 2 15:00:11 CEST 2016


#5500: ff_h264_decode_nal crash on iOS 32/64 bit
------------------------------------+-----------------------------------
             Reporter:  glip        |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  h264        |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by glip):

 Parts of Mac crash report

 Version:               ???
 Code Type:             X86-64 (Native)
 Parent Process:        Qt Creator [525]

 Date/Time:             2016-05-02 08:56:34.610 -0400
 OS Version:            Mac OS X 10.11.4 (15E65)
 Report Version:        11

 Time Awake Since Boot: 4000 seconds

 System Integrity Protection: enabled

 Crashed Thread:        7  QThread

 Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
 Exception Codes:       KERN_INVALID_ADDRESS at 0x000000012e0c6000
 Exception Note:        EXC_CORPSE_NOTIFY

 VM Regions Near 0x12e0c6000:
     MALLOC_LARGE           000000012dfcc000-000000012e0c6000 [ 1000K]
 rw-/rwx SM=PRV
 -->
     MALLOC_LARGE           000000012e1c2000-000000012e2b8000 [  984K]
 rw-/rwx SM=PRV

 Thread 7 Crashed:: QThread
 0   com.yourcompany.app         0x000000010f3adf23 ff_h264_decode_nal +
 131 (h264.c:261)

 Thread 8:: QThread
 0   com.yourcompany.app 0x000000010f3ba0ab get_cabac_noinline + 75
 (cabac.h:192)

 Thread 9:: QThread
 0   com.yourcompany.app         0x000000010f3ba2fd fill_decode_caches +
 141 (h264_mvpred.h:461)

 Thread 10:: QThread
 0   com.yourcompany.app         0x000000010f3ba5e5 fill_decode_caches +
 885 (h264_mvpred.h:545)

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Ticket URL: <https://trac.ffmpeg.org/ticket/5500#comment:3>
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