[x265] Crash with 407d8c61698d

[Steve Borho]

On Mon, Aug 26, 2013 at 1:13 PM, Nikos Barkas <nikbar2004 at yahoo.com> wrote:

> Commit 407d8c61698d crashes for me after displaying the header information
> and before starting to actually encode data. Below is the backtrace from
> gdb from the RelWithDebInfo target. Compiling on Win7 32-bit, GCC 4.7.1-TDM.
>
>
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00477d6a in filterRowH (
>     src=0x5341790 "ÖÖÖxxxxxOOxOOOOOOOOUOOOOOOO", 'U' <repeats 17 times>,
> "UUUÜYY
> Y____YYÜYÜÜUUUUU", 'U' <repeats 28 times>, "UU", 'O' <repeats 104
> times>...,
>     srcStride=880, midA=0x9f2e900, midB=0x9fde900, midC=0xa08e900,
>     midStride=720, dstA=0xa2c1790 "", dstB=0xa501790 "", dstC=0xa741790 "",
>     width=720, height=64, marginX=80, marginY=80, row=7, isLastRow=1)
>     at c:/DriveD/x265Project/x265/source/common/ipfilter.cpp:591
> 591                 ::memcpy(src - marginX + (height + y) * srcStride, src
> - mar
> ginX + (height - 1) * srcStride, sizeof(pixel) * (width + (marginX << 1)));
> (gdb) bt
> #0  0x00477d6a in filterRowH (
>     src=0x5341790 "ÖÖÖxxxxxOOxOOOOOOOOUOOOOOOO", 'U' <repeats 17 times>,
> "UUUÜYY
> Y____YYÜYÜÜUUUUU", 'U' <repeats 28 times>, "UU", 'O' <repeats 104
> times>...,
>     srcStride=880, midA=0x9f2e900, midB=0x9fde900, midC=0xa08e900,
>     midStride=720, dstA=0xa2c1790 "", dstB=0xa501790 "", dstC=0xa741790 "",
>     width=720, height=64, marginX=80, marginY=80, row=7, isLastRow=1)
>     at c:/DriveD/x265Project/x265/source/common/ipfilter.cpp:591
> #1  0x0047a463 in x265::MotionReference::generateReferencePlanes (
>     this=0x8eb2908)
>     at c:/DriveD/x265Project/x265/source/common/reference.cpp:197
> #2  0x00445e54 in TComPicYuv::generateMotionReference (this=0x4853f10,
>     pool=0x21bf970, w=0x0)
>     at c:/DriveD/x265Project/x265/source/Lib/TLibCommon/TComPicYuv.cpp:264
> #3  0x0040d812 in x265::FrameEncoder::compressFrame (this=0x21bfe80, pic=
>     0x4980078)
>     at c:/DriveD/x265Project/x265/source/encoder/frameencoder.cpp:436
> #4  0x0022fb08 in ?? ()
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> (gdb)
>
>
Yes, I'm getting the same thing here.  Still investigating.  Worst case
I'll need to backout  63e0736c1f87

-- 
Steve Borho
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