Control: tags -1 +unreproducible
The original report says "This is not reproducible" so tagging as such.
On Fri, Sep 21, 2018 at 01:20:37PM +0200, Vincent Lefevre wrote:
> On 2018-09-21 05:49:19 +0100, Olly Betts wrote:
> > If it's something that happens sporadically I'd suggest you try
> > habitually running gnuplot under a malloc debugger (e.g. valgrind if the
> > slowdown is tolerable), and hope that catches the corruption as it
> > happens.
>
> I can see lots of "Conditional jump or move depends on uninitialised
> value(s)", and also:
>
> ==32184== Invalid read of size 32
> ==32184== at 0x790FFD1: __wcsnlen_avx2 (strlen-avx2.S:62)
> ==32184== by 0x78578C1: wcsrtombs (wcsrtombs.c:104)
> ==32184== by 0x5B12FAF: wcsrtombs (wchar2.h:519)
This looks like valgrind lacking a suppression for an optimised version
of wcslen() for AVX-capable CPUs which deliberately overreads the
string. I don't think it's connected to this bug report.
Cheers,
Olly
