linux-kernel - Re: 2.6.22-rc2-mm1 NTFS & SLUB related fix

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:	Fri, 25 May 2007 05:22:50 +0000
From:	"young dave" <hidave.darkstar@...il.com>
To:	"Christoph Lameter" <clameter@....com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.22-rc2-mm1 NTFS & SLUB related fix

Hi,

> Is this ntfs_init_locked_inode?

Yes, it is.

> >  Bytes b4 0xc2959e28:  00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a
> >    Object 0xc2959e38:  24 00 51 00 00 00 6b a5
> >   Redzone 0xc2959e40:  00 00 cc cc
>
> First two bytes after the object overwritten. The allocation for this
> object should have been two bytes longer.
>
> > Last alloc: ntfs_init_locked_inode+0x9e/0x110 jiffies_ago=5140 cpu=0 pid=1604
>
> This is the function that allocated a too short object.
>

Only the last one byte of  the string  is zeroed, but It malloced 2
more byte appended the string because size of thentfschar type is 2
bytes , is this the reason? But why?

Regards
dave
-
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/