| commit | b259a3c0e4348587e06fbabd828fb878457c5dad | |
| author | Dan Rosenberg <drosenberg@vsecurity.com> | |
| Tue, 26 Jul 2011 00:11:53 +0000 (25 17:11 -0700) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Mon, 8 Aug 2011 17:23:13 +0000 (8 10:23 -0700) | ||
| tree | fc18c4daec04bd2308b925ab9650c33aa3dd89f1 | treesnapshot (tar.gz zip) |
| parent | 78a4ddf99d27b83ca7b9720338b1030206db4a0e | commitdiff |
xtensa: prevent arbitrary read in ptrace
commit 0d0138ebe24b94065580bd2601f8bb7eb6152f56 upstream.
Prevent an arbitrary kernel read. Check the user pointer with access_ok()
before copying data in.
[akpm@linux-foundation.org: s/EIO/EFAULT/]
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Christian Zankel <chris@zankel.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit 0d0138ebe24b94065580bd2601f8bb7eb6152f56 upstream.
Prevent an arbitrary kernel read. Check the user pointer with access_ok()
before copying data in.
[akpm@linux-foundation.org: s/EIO/EFAULT/]
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Christian Zankel <chris@zankel.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| arch/xtensa/kernel/ptrace.c | diffblobblamehistory |