From: Jim Meyering <jim@meyering.net>
Date: Thu, 26 Apr 2012 16:35:12 +0000 (+0200)
Subject: Btrfs: avoid buffer overrun in btrfs_printk
X-Git-Tag: v3.5-rc1~17^2~1^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f07c9a79f06cd33b1c9c2c4eacb60bafa7e3f310;p=pandora-kernel.git

Btrfs: avoid buffer overrun in btrfs_printk

The buffer read-overrun would be triggered by a printk format
starting with <N>, where N is a single digit.  NUL-terminate
after strncpy.  Use memcpy, not strncpy, since we know the
string we're copying fits in the destination buffer and
contains no NUL byte.

Signed-off-by: Jim Meyering <meyering@redhat.com>
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