Re: [ 5.4 ] Bug - L->nCcalls unsigned short overflow

[Roberto Ierusalimschy <roberto@...>]

> > Sometimes when calling collectgarbage() inside a coroutine, my application
> > crashes with 'C Stack Overflow'. I managed to track it down to a negative
> > number being assigned to nCcalls in lstate.c and ldo.c, so nCcalls becomes
> > ~65534.
> 
> Many thanks for the report.
> 
> Are you sure about the cause? In particular, can you check whether the
> problem is that (L->nci > L->nCcalls) when luaD_rawrunprotected is
> called?  That should never happen.
> 
> Can you produce a "small" self-sufficient program that reproduces the bug?

One more question: does your application call 'lua_resume' directly,
from C?

-- Roberto