Re: [Vimprobable-users] js crash

[Serge E. H. <se...@ha...>]

On Fri, Mar 11, 2016 at 04:19:07PM +0100, Hannes Schüller wrote:
> Hi Serge!
> 
> 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 ?? ()

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