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Re: [PATCH 2/2] execve: check the VM has enough memory at first
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From: KOSAKI Motohiro
Subject:
Re: [PATCH 2/2] execve: check the VM has enough memory at first
Date: Monday, September 13, 2010 - 6:52 pm
> On Wed, Sep 8, 2010 at 10:04 PM, KOSAKI Motohiro
quoted text
> <kosaki.motohiro@jp.fujitsu.com> wrote: > > > > After this patch, execve() expand stack at first and receive to > > check vm_enough_memory() properly. then, too long argument of > > execve() than the machine memory return EFAULT properly. > > This is horrible. We don't want to walk the arguments one more time > just for this. Let's just improve the checks that we do as we go > along. > > Linus
Okey. I'll consider new way in this night. --
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Messages in current thread:
[PATCH] exec argument expansion can inappropriately trigge ...
, Kees Cook
, (Fri Aug 27, 3:02 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, KOSAKI Motohiro
, (Sun Aug 29, 5:19 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Roland McGrath
, (Sun Aug 29, 5:56 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Solar Designer
, (Sun Aug 29, 8:23 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Roland McGrath
, (Mon Aug 30, 3:06 am)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Solar Designer
, (Mon Aug 30, 10:49 am)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Solar Designer
, (Mon Aug 30, 12:48 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Brad Spengler
, (Mon Aug 30, 3:08 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Roland McGrath
, (Mon Aug 30, 5:40 pm)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Solar Designer
, (Tue Aug 31, 4:53 am)
Re: [PATCH] exec argument expansion can inappropriately tr ...
, Tetsuo Handa
, (Tue Aug 31, 4:56 am)
[PATCH 0/3] execve argument-copying fixes
, Roland McGrath
, (Tue Sep 7, 7:34 pm)
[PATCH 1/3] setup_arg_pages: diagnose excessive argument size
, Roland McGrath
, (Tue Sep 7, 7:35 pm)
[PATCH 2/3] execve: improve interactivity with large arguments
, Roland McGrath
, (Tue Sep 7, 7:36 pm)
[PATCH 3/3] execve: make responsive to SIGKILL with large ...
, Roland McGrath
, (Tue Sep 7, 7:37 pm)
Re: [PATCH 0/3] execve argument-copying fixes
, KOSAKI Motohiro
, (Tue Sep 7, 8:00 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, pageexec
, (Wed Sep 8, 1:29 am)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Brad Spengler
, (Wed Sep 8, 4:57 am)
[PATCH 0/2] execve memory exhaust of argument-copying fixes
, KOSAKI Motohiro
, (Wed Sep 8, 10:01 pm)
[PATCH 1/2] oom: don't ignore rss in nascent mm
, KOSAKI Motohiro
, (Wed Sep 8, 10:03 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, KOSAKI Motohiro
, (Wed Sep 8, 10:31 pm)
Re: [PATCH 1/2] oom: don't ignore rss in nascent mm
, Oleg Nesterov
, (Thu Sep 9, 3:05 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Roland McGrath
, (Fri Sep 10, 1:59 am)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Roland McGrath
, (Fri Sep 10, 2:18 am)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Roland McGrath
, (Fri Sep 10, 2:25 am)
Re: [PATCH 1/2] oom: don't ignore rss in nascent mm
, Roland McGrath
, (Fri Sep 10, 2:39 am)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, KOSAKI Motohiro
, (Fri Sep 10, 2:43 am)
[PATCH] move cred_guard_mutex from task_struct to signal_s ...
, KOSAKI Motohiro
, (Fri Sep 10, 2:57 am)
Re: [PATCH 2/2] execve: check the VM has enough memory at ...
, Linus Torvalds
, (Fri Sep 10, 8:06 am)
Re: [PATCH] move cred_guard_mutex from task_struct to sign ...
, Oleg Nesterov
, (Fri Sep 10, 10:24 am)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, pageexec
, (Sat Sep 11, 6:30 am)
Re: [PATCH 2/2] execve: check the VM has enough memory at ...
, KOSAKI Motohiro
, (Mon Sep 13, 6:52 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Roland McGrath
, (Tue Sep 14, 11:51 am)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Roland McGrath
, (Tue Sep 14, 12:33 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, pageexec
, (Tue Sep 14, 1:28 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, Roland McGrath
, (Tue Sep 14, 2:16 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, pageexec
, (Tue Sep 14, 3:27 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, pageexec
, (Tue Sep 14, 3:35 pm)
Re: [PATCH 1/3] setup_arg_pages: diagnose excessive argume ...
, pageexec
, (Wed Sep 15, 2:27 am)
Re: [PATCH] move cred_guard_mutex from task_struct to sign ...
, KOSAKI Motohiro
, (Wed Sep 15, 10:51 pm)
Re: [PATCH 2/2] execve: check the VM has enough memory at ...
, KOSAKI Motohiro
, (Wed Sep 15, 10:51 pm)
Re: [PATCH 2/2] execve: check the VM has enough memory at ...
, Linus Torvalds
, (Thu Sep 16, 8:01 am)
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