tree 424b9893aa5494104b8d93de2b9c52fbdce37b75
parent 5d0af85cd0964bb845b63d5059bb20e8f7731e65
author Kulikov Vasiliy <segooon@gmail.com> 1288448777 +0000
committer Alex Elder <aelder@sgi.com> 1289412047 -0600

xfs: xfs_ioctl: fix information leak to userland

al_hreq is copied from userland.  If al_hreq.buflen is not properly aligned
then xfs_attr_list will ignore the last bytes of kbuf.  These bytes are
unitialized.  It leads to leaking of contents of kernel stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Alex Elder <aelder@sgi.com>