Clang 5.0 32-bit builds Failing on CppunitTest_vcl_pdfexport

[Michael Stahl]

On 12.04.2017 19:35, slacka wrote:
> Here is the backtrace:
> 
> https://pastebin.com/vhYRQDSG
> 
> This was with  clang version 4.0.0 (trunk 287326)
> 
> On Ubuntu 16.04.2 LTS 3 4.4.0-64-generic #85-Ubuntu SMP Mon Feb 20 11:49:39
> UTC 2017 i686 i686 i686 
> 
> I'm not sure if it was timing, ccache. or what but whatever is causing this
> crash started about 1 month ago. I have been building Libreoffice with Clang

CppunitTest_vcl_pdfexport was added quite recently.

> for years and I'm seeing this on 2 different machines(Ubuntu/Fedora).

oh, that is interesting!

> #11 0x403058ad in std::terminate() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
> No symbol table info available.
> #12 0x40305b70 in __cxa_throw () from /usr/lib/i386-linux-gnu/libstdc++.so.6
> No symbol table info available.
> #13 0x458d4ea4 in errorExit (cinfo=0xbfa9beb0) at /core/vcl/source/filter/jpeg/jpegc.cxx:45
>         buffer = "Quantization table 0x00 was not defined\000\016\225\261E\260\276\251\277S\v\000\000\230\273\251\277\273\221\261E\b\000\000\000\b\000\000\000\000\260\367E\b\000\000\000\b\000\000\000\000\260\367E\300\245\362\t\260\245\362\t\370\320\362\t@\v\000\000\001\000\000\000\260\276\251\277\001\000\000\000\000\260\367E軩\277\060\227\261E\260\276\251\277\001\000\000\000@\v\000\000\n\000\000\000 \001\000\000\020\000\000\000`\000\000\000\000\260\367E^\373\064\000\000\000\000\000\n\000\000\000\n\000\000\000\000\261\362\t0\205\362\t\370\320\362\t\n\000\000\000 \001\000\000\001\000\000\000\260\276\251\277"
> #14 0x45b052e2 in latch_quant_tables (cinfo=0xbfa9beb0) at jdinput.c:259
>         ci = 0
>         qtblno = 0
>         compptr = 0x9f26620
>         qtbl = 0x1
> #15 0x45b04ab7 in start_input_pass (cinfo=0xbfa9beb0) at jdinput.c:281
> No locals.
> #16 0x45b0aa98 in master_selection (cinfo=0xbfa9beb0) at jdmaster.c:575
>         master = 0x9e64870
>         use_c_buffer = 0
>         samplesperrow = 2220
>         jd_samplesperrow = 2220
> #17 0x45b0a3ce in jinit_master_decompress (cinfo=0xbfa9beb0) at jdmaster.c:735
>         master = 0x9e64870
> #18 0x45b033ca in jpeg_start_decompress (cinfo=0xbfa9beb0) at jdapistd.c:47
> No locals.
> #19 0x458d5738 in ReadJPEG (pJPEGReader=0x9e5e03c, pInputStream=0xbfa9ca30, pLines=0xbfa9c124, previewSize=...) at /core/vcl/source/filter/jpeg/jpegc.cxx:206

an unhandled exception during JPEG import - then i was wrong to blame
the GStreamer thread?

or is this a different problem - this one dies with SIGABRT while your
previous log died with SIGSEGV?  hmm and previously the test printed "OK
(4)" but here it apparently dies in the middle of the test.  oh, and now
i notice that this log is for CppunitTest_vcl_filters_test not the
pdfexport test.