Re: Lua 5.4.0-rc5 segfault in low memory conditions
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- Subject: Re: Lua 5.4.0-rc5 segfault in low memory conditions
- From: Sergey Zakharchenko <doublef.mobile@...>
- Date: 2020年6月14日 04:06:50 +0400
Andrew,
Sergey Zakharchenko <doublef.mobile@gmail.com>:
> Andrew Gierth <andrew@tao11.riddles.org.uk>:
> > See if this fixes both of them:
> > --- src/lparser.c.orig 2020年06月13日 19:57:47.428734000 +0100
> > +++ src/lparser.c 2020年06月13日 19:58:08.039573000 +0100
>
> Thanks for your awesome analysis! I'll start testing this now, but
> please note one thing I hadn't mentioned before: the original issue
> discovered on MIPS was actually discovered when loading bytecode, with
> no parser involved. It's possible we aren't done with this yet...
Huh, similar code in lundump.c has no barriers as well... Does it make
sense to add them?
f->p[i] = luaF_newproto(S->L);
/* here */
loadFunction(S, f->p[i], f->source);
cl->p = luaF_newproto(L);
/* here */
loadFunction(&S, cl->p, NULL);
Best regards,
--
DoubleF
- References:
- Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Andrew Gierth
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Bogdan Marinescu
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Andrew Gierth
- Re: Lua 5.4.0-rc5 segfault in low memory conditions, Sergey Zakharchenko