commit | 85390378f0a6abf3bdb10c3d504d77862a2d0ec9 | [log] [tgz] |
---|---|---|
author | Joel Stanley <joel@jms.id.au> | Thu Apr 24 16:55:35 2014 +0930 |
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | Mon Apr 28 13:08:48 2014 +1000 |
tree | f4b8f3bec96478f6a5ce0dae9ea0b9ce8ce9b504 | |
parent | b8569d230416c490065098684adf13c1751cb830 [diff] |
powerpc/powernv: Check sysfs size before copying The sysparam code currently uses the userspace supplied number of bytes when memcpy()ing in to a local 64-byte buffer. Limit the maximum number of bytes by the size of the buffer. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>