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From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	"Tobin C . Harding" <me@tobin.cc>, Michal Hocko <mhocko@suse.cz>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org,
	Michael Ellerman <mpe@ellerman.id.au>,
	linuxppc-dev@lists.ozlabs.org, Russell Currey <ruscur@russell.cc>,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	Stephen Rothwell <sfr@ozlabs.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH] vsprintf: Do not break early boot with probing addresses
Date: Fri, 10 May 2019 17:16:35 +0900	[thread overview]
Message-ID: <20190510081635.GA4533@jagdpanzerIV> (raw)
In-Reply-To: <20190510080602.mdfk54f6lpyg6unw@pathway.suse.cz>

On (05/10/19 10:06), Petr Mladek wrote:
[..]
> I am going to send a patch replacing probe_kernel_address() with
> a simple check:
> 
> 	if ((unsigned long)ptr < PAGE_SIZE || IS_ERR_VALUE(ptr))
> 		return "(efault)";

I'm OK with this.
Probing ptrs was a good idea, it just didn't work out.

	-ss

  reply	other threads:[~2019-05-10  8:16 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09 12:19 Petr Mladek
2019-05-09 13:05 ` Andy Shevchenko
2019-05-09 13:13 ` Steven Rostedt
2019-05-09 14:06   ` Petr Mladek
2019-05-09 13:38 ` Michal Suchánek
2019-05-09 13:46   ` David Laight
2019-05-10 10:21     ` Michael Ellerman
2019-05-10  4:32 ` Sergey Senozhatsky
     [not found]   ` <CAHk-=wiP+hwSqEW0dM6AYNWUR7jXDkeueq69et6ahfUgV7hC3w@mail.gmail.com>
2019-05-10  5:07     ` Sergey Senozhatsky
2019-05-10  6:41       ` Michael Ellerman
2019-05-10  8:06       ` Petr Mladek
2019-05-10  8:16         ` Sergey Senozhatsky [this message]
2019-05-10  8:42           ` Petr Mladek
2019-05-10  8:51             ` Sergey Senozhatsky
2019-05-10 14:49             ` Petr Mladek
2019-05-10 16:24             ` Steven Rostedt
2019-05-10 16:32               ` Martin Schwidefsky
2019-05-10 16:40                 ` Steven Rostedt
2019-05-10 16:45                   ` Martin Schwidefsky
2019-05-13 12:24                   ` Petr Mladek
2019-05-10 16:41               ` Andy Shevchenko
2019-05-10 17:35               ` christophe leroy
2019-05-13  8:52                 ` David Laight
2019-05-13  9:13                   ` Andy Shevchenko
2019-05-13 12:42                     ` Petr Mladek
2019-05-13 14:15                       ` Steven Rostedt
2019-05-14  2:07                       ` Sergey Senozhatsky
2019-05-14  2:25                         ` Sergey Senozhatsky
2019-05-14  8:28                         ` David Laight
2019-05-14  9:02                           ` Geert Uytterhoeven
2019-05-14 18:37                             ` Steven Rostedt
2019-05-14 19:13                               ` Geert Uytterhoeven
2019-05-14 19:35                                 ` Steven Rostedt
2019-05-15  7:23                                   ` Geert Uytterhoeven
2019-05-15  7:53                                     ` Petr Mladek
2019-05-15  6:21                                 ` Sergey Senozhatsky
2019-05-15  7:35                               ` Petr Mladek
2019-05-15  9:00                                 ` David Laight

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