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?

-- Roberto