From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Michal Nazarewicz <mina86@mina86.com>,
Andreas Schwab <schwab@linux-m68k.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH] linux: sysconf: limit _SC_MAX_ARG to 6 MiB [BZ #25305]
Date: Tue, 13 Apr 2021 17:47:19 -0300 [thread overview]
Message-ID: <8f7a6c09-713c-68b6-c629-044537fc7779@linaro.org> (raw)
In-Reply-To: <05wsjeil807oxrv57bk8g2i3@mina86.com>
On 13/04/2021 16:57, Michal Nazarewicz wrote:
>> On 13/04/2021 09:13, Andreas Schwab wrote:
>>> In addition, I'd give it a symbolic name with a comment.
>
> On Tue, Apr 13 2021, Adhemerval Zanella wrote:
>> What about:
>>
>> diff --git a/sysdeps/unix/sysv/linux/sysconf.c b/sysdeps/unix/sysv/linux/sysconf.c
>> index 366fcef01e..aceedfa87c 100644
>> --- a/sysdeps/unix/sysv/linux/sysconf.c
>> +++ b/sysdeps/unix/sysv/linux/sysconf.c
>> @@ -33,6 +33,9 @@
>> actual value varies based on the stack size. */
>> #define legacy_ARG_MAX 131072
>>
>> +/* Newer kernels (4.13) limit the maximum command line arguments lengths to
>> + 6MiB. */
>> +#define maximum_ARG_MAX 6291456
>
> I’d still go with (6 * 1024 * 1024). Otherwise looks good to me.
Ok, I fixed it upstream (I forgot to do it when I pushed it earlier).
prev parent reply other threads:[~2021-04-13 20:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 15:10 Michal Nazarewicz
2021-04-07 18:36 ` Adhemerval Zanella
2021-04-07 18:41 ` Florian Weimer
2021-04-07 18:52 ` Adhemerval Zanella
2021-04-07 19:04 ` Florian Weimer
2021-04-07 19:34 ` Adhemerval Zanella
2021-04-07 19:36 ` Florian Weimer
2021-04-08 1:49 ` Michal Nazarewicz
2021-04-12 20:59 ` Adhemerval Zanella
2021-04-12 21:31 ` Michal Nazarewicz
2021-04-13 11:53 ` Adhemerval Zanella
2021-04-13 12:13 ` Andreas Schwab
2021-04-13 13:36 ` Adhemerval Zanella
2021-04-13 14:41 ` Andreas Schwab
2021-04-13 14:45 ` Adhemerval Zanella
2021-04-13 19:57 ` Michal Nazarewicz
2021-04-13 20:47 ` Adhemerval Zanella [this message]
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