Re: Trying to crack the Firefox crashing issue

On 9/5/25 8:17 pm, Ed Robbins wrote:
> I think it's because w2c_rlbox_streqci is an "rlbox" sandboxed version
> of the expat streqci function (https://rlbox.dev). It's transformed
> somewhere and not necessarily even compiled by gcc. I don't know how
> this web stuff, wasm, rlbox etc works, the toolchain is a total
> mystery to me... I'm not even sure if new C source is generated or if
> sandboxed functions are generated at compile time skipping C entirely.
> But it does look as though there's a fair chance the source code
> presented is what is eventually transformed into the asm code
> presented. However the bug could equally be in the toolchain
> somewhere...

It would be the sandboxed version. I stepped through the code and a 
source comes up for a sandbox within a hpp source file. Right before it 
calls into the hidden or internal rlbox code it calls rlbox.wasm.c 
implying some sort of C source conjured up in between.