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authorKangjie Lu <kangjielu@gmail.com>2016-06-02 10:11:20 +0200
committerDavid S. Miller <davem@davemloft.net>2016-06-03 06:32:37 +0200
commit4116def2337991b39919f3b448326e21c40e0dbb (patch)
tree7ccdfaac2b0c0dc732a14d0db3c89abea1dfa5db /net/rds
parenttipc: fix an infoleak in tipc_nl_compat_link_dump (diff)
downloadlinux-4116def2337991b39919f3b448326e21c40e0dbb.tar.xz
linux-4116def2337991b39919f3b448326e21c40e0dbb.zip
rds: fix an infoleak in rds_inc_info_copy
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>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/recv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rds/recv.c b/net/rds/recv.c
index c0be1ecd11c9..8413f6c99e13 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -561,5 +561,7 @@ 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));
}