Re: Bug: Segfault calling tostring on a result from debug.getlocal

[Dimiter 'malkia' Stanev <malkia@...>]

Not that it's much helpful, but this does not crash with luajit 
(with/without -joff, and on 32-bit/64-bit windows)

It also crashes with cygwin's lua (5.1.4) that I have installed.

On 4/20/2012 10:54 AM, Dan Tull wrote:
> local function caller()
> 	local result, message = loadstring( "return" )
> 	return result, message
> end
>
> local function locals()
> 	local i = 1
> 	local inf, n, v
> 	
> 	repeat
> 		inf = debug.getinfo( i, "fn" )
> 		if inf and inf.func == caller then
> 			break
> 		end
> 		i = i + 1
> 	until not inf
>
> 	if inf then
> 		local j = 1
> 		repeat
> 			n, v  = debug.getlocal( i, j )
> 			if n then
> 				if type( v ) == "proto" and tostring( v ) then
> 					print "BOOM" -- never printed on 5.1.5
> 				end
> 			end
> 			j = j + 1
> 		until not n
> 	end
> end
>
> debug.sethook( locals, "", 1 )
> caller()