From: Vlad Yasevich <[email protected]> Date: Thu, 27 Mar 2014 21:51:18 -0400
> When the vlan filtering is enabled on the bridge, but > the filter is not configured on the bridge device itself, > running tcpdump on the bridge device will result in a > an Oops with NULL pointer dereference. The reason > is that br_pass_frame_up() will bypass the vlan > check because promisc flag is set. It will then try > to get the table pointer and process the packet based > on the table. Since the table pointer is NULL, we oops. > Catch this special condition in br_handle_vlan(). > > Reported-by: Toshiaki Makita <[email protected]> > CC: Toshiaki Makita <[email protected]> > Signed-off-by: Vlad Yasevich <[email protected]> > --- > > * Changed to use kfree_skb() instead of kfree_skb_list() to > match the reset of bridge code. > * Fix-up {} style. Applied, thanks.
