diff options
author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2009-01-04 20:27:31 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-01-04 20:27:31 -0500 |
commit | 914d11647b6d6fe81bdf0c059612ee36282b8cee (patch) | |
tree | 8d37925767cf7ba112a6d1ba21d3340e067c0d33 /net | |
parent | 22604c866889c4b2e12b73cbf1683bda1b72a313 (diff) |
ipv6: IPV6_PKTINFO relied userspace providing correct length
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Reported-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv6/ipv6_sockglue.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index eeeaad2e8b5c..40f324655e24 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c | |||
@@ -404,7 +404,7 @@ sticky_done: | |||
404 | else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL) | 404 | else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL) |
405 | goto e_inval; | 405 | goto e_inval; |
406 | 406 | ||
407 | if (copy_from_user(&pkt, optval, optlen)) { | 407 | if (copy_from_user(&pkt, optval, sizeof(struct in6_pktinfo))) { |
408 | retv = -EFAULT; | 408 | retv = -EFAULT; |
409 | break; | 409 | break; |
410 | } | 410 | } |