From: Chris Wright <chrisw@osdl.org>
To: linux-kernel@vger.kernel.org, stable@kernel.org, torvalds@osdl.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
akpm@osdl.org, alan@lxorguk.ukuu.org.uk, petero2@telia.com
Subject: [patch 04/23] [PATCH] packet writing oops fix
Date: Tue, 22 Nov 2005 13:06:19 -0800 [thread overview]
Message-ID: <20051122210619.GE28140@shell0.pdx.osdl.net> (raw)
[-- Attachment #1: packet-writing-oops-fix.patch --]
[-- Type: text/plain, Size: 955 bytes --]
-stable review patch. If anyone has any objections, please let us know.
------------------
There is an old bug in the pkt_count_states() function that causes stack
corruption. When compiling with gcc 3.x or 2.x it is harmless, but gcc 4
allocates local variables differently, which makes the bug visible.
Signed-off-by: Peter Osterlund <petero2@telia.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/block/pktcdvd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.14.2.orig/drivers/block/pktcdvd.c
+++ linux-2.6.14.2/drivers/block/pktcdvd.c
@@ -1191,7 +1191,7 @@ static void pkt_count_states(struct pktc
struct packet_data *pkt;
int i;
- for (i = 0; i <= PACKET_NUM_STATES; i++)
+ for (i = 0; i < PACKET_NUM_STATES; i++)
states[i] = 0;
spin_lock(&pd->cdrw.active_list_lock);
--
reply other threads:[~2005-11-22 21:06 UTC|newest]
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