rds: fix an infoleak in rds_inc_info_copy

commit 4116def233 upstream.

The last field "flags" of object "minfo" is not initialized.
Copying this object out may leak kernel stack data.
Assign 0 to it to avoid leak.

Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Juerg Haefliger <juerg.haefliger@hpe.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kangjie Lu
2016-06-02 04:11:20 -04:00
committed by Greg Kroah-Hartman
parent 0e324f6d66
commit ffd5ce2ad5

View File

@@ -545,5 +545,7 @@ void rds_inc_info_copy(struct rds_incoming *inc,
minfo.fport = inc->i_hdr.h_dport;
}
minfo.flags = 0;
rds_info_copy(iter, &minfo, sizeof(minfo));
}