Re: [Vimprobable-users] js crash

[Hannes S. <ha...@yl...>]

On Fri, 11 Mar 2016 18:39:13 -0600, "Serge E. Hallyn"
<se...@ha...> wrote:
> On Fri, Mar 11, 2016 at 04:19:07PM +0100, Hannes Schüller wrote:
> > On Fri, 11 Mar 2016 02:26:24 -0600, "Serge E. Hallyn"
> > <se...@ha...> wrote:
> > > for several months now I've had regular crashes in vimprobable -
> > > most easily reproduced by turning js on and going to imgur, then
> > > paging down a bit.  Presumably ad reloading or something.  gdb
> > > unhelpfully gives me:
> > 
> > Could you provide an URL where this happens? Also, could you build
> > the browser with debugging symbols enabled (see Makefile) and then
> > provide a backtrace?
> 
> I went ahead and rebuilt, and got:
> 
> Thread 1 "vimprobable2" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff4cb6678 in JSC::JSCell::toPrimitive(JSC::ExecState*,
> JSC::PreferredPrimitiveType) const ()
> from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-1.0.so.0 (gdb)
> where #0  0x00007ffff4cb6678 in
> JSC::JSCell::toPrimitive(JSC::ExecState*,
> JSC::PreferredPrimitiveType) const ()
> from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-1.0.so.0 #1
> 0x00007ffff4d1bf0b in JSC::JSValue::toStringSlowCase(JSC::ExecState*)
> const () from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-1.0.so.0
> #2  0x00007ffff4b87991 in ?? ()
> from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-1.0.so.0 #3
> 0x00007ffff4b88273 in ?? ()
> from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-1.0.so.0 #4
> 0x00007fff90065409 in ?? () #5  0x0000000000000000 in ?? ()

Hm, still not particularly telling. Probably an indication that the
error is really inside a library rather than the browser itself.

> as I said, http://imgur.com is my easiest reproducer;  just browse
> with javascript on and page down.

Sorry, I can't reproduce it. I scrolled down until it had reloaded new
images about ten times, but no instability – it's working fine here.

Anyone else experience the problem?

Hannes