Re: Lua 5.4.2 crashes where Lua 5.3.6 does not
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- Subject: Re: Lua 5.4.2 crashes where Lua 5.3.6 does not
- From: Viacheslav Usov <via.usov@...>
- Date: 2020年12月19日 12:36:10 +0100
On Sat, Dec 19, 2020 at 11:25 AM Andrew Gierth
<andrew@tao11.riddles.org.uk> wrote:
> And indeed, what you do to the stack in the deentify / deentifyn
> functions is a classic example of violating the luaL_Buffer protocol -
> you're assuming you can push something, do an addstring, and then pop
> the thing that you pushed - but this is explicitly forbidden, since
> addstring is allowed to push new entries on the stack.
Is this the same thing as in
http://lua-users.org/lists/lua-l/2017-11/msg00004.html?
If this is, it is somewhat ironic that Sean participated in that thread.
It is a pity that three years later, this facility is neither
deprecated nor better specified as unsafe.
Cheers,
V.