public inbox for linuxppc-dev@ozlabs.org 
 help / color / mirror / Atom feed
From: Olaf Hering <olh@suse•de>
To: Paul Mackeras <paulus@samba•org>, linuxppc-dev@ozlabs•org
Subject: [PATCH] prevent stack corruption in call_prom_ret
Date: Tue, 29 Nov 2005 14:04:05 +0100	[thread overview]
Message-ID: <20051129130405.GA19793@suse.de> (raw)


Use the correct pointer to clear the memory of the return values,
to prevent stack corruption in the callers stackframe.

Signed-off-by: Olaf Hering <olh@suse•de>

 arch/powerpc/kernel/prom_init.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.15-rc3-olh/arch/powerpc/kernel/prom_init.c
===================================================================
--- linux-2.6.15-rc3-olh.orig/arch/powerpc/kernel/prom_init.c
+++ linux-2.6.15-rc3-olh/arch/powerpc/kernel/prom_init.c
@@ -265,7 +265,7 @@ static int __init call_prom_ret(const ch
 	va_end(list);
 
 	for (i = 0; i < nret; i++)
-		rets[nargs+i] = 0;
+		args.args[nargs+i] = 0;
 
 	if (enter_prom(&args, RELOC(prom_entry)) < 0)
 		return PROM_ERROR;
-- 
short story of a lazy sysadmin:
 alias appserv=wotan

                 reply	other threads:[~2005-11-29 13:04 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20051129130405.GA19793@suse.de \
    --to=olh@suse$(echo .)de \
    --cc=linuxppc-dev@ozlabs$(echo .)org \
    --cc=paulus@samba$(echo .)org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox