[FFmpeg-trac] #6150(avcodec:new): msmpeg4dec.c ff_msmpeg4_decode_init crash issue
FFmpeg
trac at avcodec.org
Thu Feb 16 07:54:50 EET 2017
#6150: msmpeg4dec.c ff_msmpeg4_decode_init crash issue
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Reporter: wqmffmpeg | Owner:
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: 3.1.5 | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by wqmffmpeg):
Thanks for your help
The crash only happen in 32bit arm
Maybe this is a configuration issue, I will check it more
in 32bit arm platform, the address of ff_msmp4_mb_i_vlc symbol is
0xf5773638, this is fault
My 32bit arm configure line is below:
--arch=arm --target-os=linux --enable-cross-compile --cross-
prefix=/home/workspace/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-
android-4.9/bin/../../../arm/arm-linux-androideabi-4.8/bin/arm-linux-
androideabi-
--sysroot=/home/workspace/prebuilts/ndk/current/platforms/android-21/arch-
arm --enable-shared --enable-gpl --disable-avdevice --disable-ffserver
--disable-postproc --disable-ffplay --disable-static --enable-yasm
--enable-asm --disable-avresample
Replying to [comment:4 cehoyos]:
> Replying to [comment:3 wqmffmpeg]:
> > after test current FFmpeg git head, crash still occur
>
> Please provide complete backtrace, disassembly and register dump as
explained on https://ffmpeg.org/bugreports.html to make this a valid
ticket.
>
> > My configure line is below:
> > --arch=aarch64 --target-os=linux --enable-cross-compile --cross-
prefix=/home/workspace/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-
android-4.9/bin/aarch64-linux-android-
--sysroot=/home/workspace/prebuilts/ndk/current/platforms/android-21/arch-
arm64 --enable-shared --enable-gpl --disable-avdevice --disable-ffserver
--disable-postproc --disable-ffplay --disable-static --enable-yasm
--enable-asm --extra-cflags='-DANDROID -std=gnu99 -Wall -O3 -fomit-frame-
pointer' --disable-avresample
>
> Do you see the same crash when compiling for 32bit arm?
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6150#comment:5>
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