| commit | ae6df5f96a51818d6376da5307d773baeece4014 | |
| author | Kees Cook <kees.cook@canonical.com> | |
| Thu, 7 Oct 2010 10:03:48 +0000 (7 10:03 +0000) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Fri, 8 Oct 2010 17:48:28 +0000 (8 10:48 -0700) | ||
| tree | e696e82cc5a4df37f0d2d3fa25045a79646a0cce | treesnapshot (tar.gz zip) |
| parent | 94b105723a3bfca45c75916423cd959ce71ed215 | commitdiff |
net: clear heap allocation for ETHTOOL_GRXCLSRLALL
Calling ETHTOOL_GRXCLSRLALL with a large rule_cnt will allocate kernel
heap without clearing it. For the one driver (niu) that implements it,
it will leave the unused portion of heap unchanged and copy the full
contents back to userspace.
Signed-off-by: Kees Cook <kees.cook@canonical.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Calling ETHTOOL_GRXCLSRLALL with a large rule_cnt will allocate kernel
heap without clearing it. For the one driver (niu) that implements it,
it will leave the unused portion of heap unchanged and copy the full
contents back to userspace.
Signed-off-by: Kees Cook <kees.cook@canonical.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| net/core/ethtool.c | diffblobblamehistory |