Thanks Even We tested your patch and we were not able to crash it. It looks like fixed :) .___ ._ ..._ .. . ._. .___ .. __ . _. . __.. ... .... ._ .__ Entre dos pensamientos racionales hay infinitos pensamientos irracionales.
On Thu, 26 Aug 2021 at 19:02, Even Rouault <[email protected]> wrote: > Javier, > > Hopefully https://github.com/OSGeo/gdal/pull/4347 should solve that > > Even > Le 26/08/2021 à 18:45, Javier Jimenez Shaw a écrit : > > Hi > > Some times (unfortunately it is not reproducible every time) we got a > crash when we cancel the overview generation. > I tried to reproduce it in my Ubuntu 20.04, but couldn't. My colleagues > are able to reproduce some times on Mac and Windows. > > In C++, with GDAL 3.3.1, calling BuildOverviews("AVERAGE", ...) to produce > embedded overview and calling the cancel callback, it crashes on > overviews.cpp: > > ~PointerHolder() { CPLFree(ptr); }. (line 3929) > The reason of the crash is : Thread 34: EXC_BAD_ACCESS (code=1, > address=0x1d) > Yes, the debugger says the value of "ptr" is 0x1d... that does not make so > much sense. > > the debugger shows this steps on the back trace: > poJob->oDstBufferHolder.reset(new PointerHolder(poJob->pDstBuffer)); > (line 4930) > GDALRegenerateOverviewsMultiBand (line 4638) > > > Before calling to BuildOverviews I am calling > CPLSetConfigOption("GDAL_NUM_THREADS", "ALL_CPUS"); > to make it multithreaded. > > The image is an RGBA 8bit with JPEG compression. > > Is anything wrong there? > > Thanks. > .___ ._ ..._ .. . ._. .___ .. __ . _. . __.. ... .... ._ .__ > Entre dos pensamientos racionales > hay infinitos pensamientos irracionales. > > > _______________________________________________ > gdal-dev mailing > [email protected]https://lists.osgeo.org/mailman/listinfo/gdal-dev > > -- http://www.spatialys.com > My software is free, but my time generally not. > >
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