On Sat, Mar 06, 2010 at 03:27:06PM +0100, Patch from Alexey Dobriyan wrote: > From: Alexey Dobriyan <adobriyan@xxxxxxxxx> > > 1. After sock_register() returns, it's possible to create sockets, > even if module still not initialized fully (blame generic module code > for that!) > 2. Consequently, pfkey_create() can be called with pfkey_net_id still not > initialized which will BUG_ON in net_generic(): > kernel BUG at include/net/netns/generic.h:43! > 3. During netns shutdown, netns ops should be unregistered after > key manager unregistered because key manager calls can be triggered > from xfrm_user module: > > general protection fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > pfkey_broadcast+0x111/0x210 [af_key] > pfkey_send_notify+0x16a/0x300 [af_key] > km_state_notify+0x41/0x70 > xfrm_flush_sa+0x75/0x90 [xfrm_user] > 4. Unregister netns ops after socket ops just in case and for symmetry. > > Reported by Luca Tettamanti. > > Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> > Tested-by: Luca Tettamanti <kronos.it@xxxxxxxxx> > Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> What this has to do with DVB? -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
