lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Date:	Sun, 17 Jun 2007 13:40:03 +0200
From:	Michael Buesch <mb@...sch.de>
To:	John Linville <linville@...driver.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	netdev@...r.kernel.org, Maximilian Engelhardt <maxi@...monizer.de>,
	Gary Zambrano <zambrano@...adcom.com>
Subject: [PATCH] Fix stupid wol variable overflow bug

This bug was introduced by me.
val is 16bit, but the read value is 32bit.
Seems like I was smoking crack when porting that part of the driver.
I guess that's the last stupid bug in these 4 lines of code.

Signed-off-by: Michael Buesch <mb@...sch.de>

Index: bu3sch-wireless-dev/drivers/net/b44.c
===================================================================
--- bu3sch-wireless-dev.orig/drivers/net/b44.c	2007-06-16 19:56:41.000000000 +0200
+++ bu3sch-wireless-dev/drivers/net/b44.c	2007-06-17 13:35:23.000000000 +0200
@@ -1574,8 +1574,7 @@ static void b44_setup_wol_pci(struct b44
 	u16 val;
 
 	if (bp->sdev->bus->bustype != SSB_BUSTYPE_SSB) {
-		val = br32(bp, SSB_TMSLOW);
-		bw32(bp, SSB_TMSLOW, val | SSB_TMSLOW_PE);
+		bw32(bp, SSB_TMSLOW, br32(bp, SSB_TMSLOW) | SSB_TMSLOW_PE);
 		pci_read_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, &val);
 		pci_write_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, val | SSB_PE);
 	}

Please apply this to wireless-dev.

-- 
Greetings Michael.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists