From: Vegard Nossum <[email protected]>
Date: Tue, 5 Jul 2016 10:18:08 +0200
> If we hit any of the error conditions inside xfrm_dump_sa(), then
> xfrm_state_walk_init() never gets called. However, we still call
> xfrm_state_walk_done() from xfrm_dump_sa_done(), which will crash
> because the state walk was never initialized properly.
>
> We can fix this by setting cb->args[0] only after we've processed the
> first element and checking this before calling xfrm_state_walk_done().
>
> Fixes: d3623099d3 ("ipsec: add support of limited SA dump")
> Cc: Nicolas Dichtel <[email protected]>
> Cc: Steffen Klassert <[email protected]>
> Signed-off-by: Vegard Nossum <[email protected]>
I assume Steffen will pick this up.
