linux-kernel - Re: [PATCH] [SCSI] osd: fix signed char versus %02x issue

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 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 10 Dec 2015 13:15:39 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:	Boaz Harrosh <ooo@...ctrozaur.com>,
	Benny Halevy <bhalevy@...marydata.com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	osd-dev@...n-osd.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [SCSI] osd: fix signed char versus %02x issue

>>>>> "Rasmus" == Rasmus Villemoes <linux@...musvillemoes.dk> writes:

Rasmus> If char is signed and one of these bytes happen to have a value
Rasmus> outside the ascii range, the corresponding output will consist
Rasmus> of "ffffff" followed by the two hex chars that were actually
Rasmus> intended. One way to fix it would be to change the casts to
Rasmus> (u8*) aka (unsigned char*), but it is much simpler (and
Rasmus> generates smaller code) to use the %ph extension which was
Rasmus> created for such short hexdumps.

Applied to 4.5/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/