]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 7288e91) | patch
netlink: make sure nladdr has correct size in netlink_connect()
authorAlexander Potapenko <glider@google.com>
Fri, 23 Mar 2018 12:49:02 +0000 (13:49 +0100)
committerDavid S. Miller <davem@davemloft.net>
Mon, 26 Mar 2018 01:14:51 +0000 (21:14 -0400)
commitfe6f48d9aa4e95c49d476d4ff1aa986f4f6e5318
tree57a3a7410835c1868a4fec3a8ed8fbc5020c3526tree | snapshot
parent7288e911ab15b0c4d476abc5826c2aa1ea946427commit | diff
netlink: make sure nladdr has correct size in netlink_connect()

KMSAN reports use of uninitialized memory in the case when |alen| is
smaller than sizeof(struct sockaddr_nl), and therefore |nladdr| isn't
fully copied from the userspace.

Signed-off-by: Alexander Potapenko <glider@google.com>
Fixes: 1da177e4c3f41524 ("Linux-2.6.12-rc2")
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/netlink/af_netlink.c diff | blob | history
Linux Kernel Source Tree.