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| H A D | br_multicast.c | diff 7f285fa78d4b81b8458f05e77fb6b46245121b4e Mon Jul 05 09:50:08 CDT 2010 Herbert Xu <herbert@gondor.apana.org.au> bridge br_multicast: BUG: unable to handle kernel NULL pointer dereference
On Tue, Jul 06, 2010 at 08:48:35AM +0800, Herbert Xu wrote:
>
> bridge: Restore NULL check in br_mdb_ip_get
Resend with proper attribution.
bridge: Restore NULL check in br_mdb_ip_get
Somewhere along the line the NULL check in br_mdb_ip_get went
AWOL, causing crashes when we receive an IGMP packet with no
multicast table allocated.
This patch restores it and ensures all br_mdb_*_get functions
use it.
Reported-by: Frank Arnold <frank.arnold@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Thanks,
Signed-off-by: David S. Miller <davem@davemloft.net>
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