]> git.baikalelectronics.ru Git - kernel.git/commit
u32: negative offset fix
authorstephen hemminger <shemminger@vyatta.com>
Mon, 2 Aug 2010 13:44:13 +0000 (13:44 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 3 Aug 2010 05:07:45 +0000 (22:07 -0700)
commit2f40f76d0c62fc85b7ca43b73f57a8fd45e1a667
treea8738a77a087122167a2d881a8d0833255bbadb4
parenta21b4604bc92f52df01ddb60737c6656dd562843
u32: negative offset fix

It was possible to use a negative offset in a u32 match to reference
the ethernet header or other parts of the link layer header.
This fixes the regression caused by:

commit ec91ad3fa7572ea6acfac56a9e58a3280c453d0b
Author: Changli Gao <xiaosuo@gmail.com>
Date:   Wed Jun 2 07:32:42 2010 -0700

    cls_u32: use skb_header_pointer() to dereference data safely

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/cls_u32.c