On 8/14/17 11:16 AM, Eric Dumazet wrote:
> From: Eric Dumazet <eduma...@google.com>
>
> pfkey_broadcast() might be called from non process contexts,
> we can not use GFP_KERNEL in these cases [1].
>
> This patch partially reverts commit ba51b6be38c1 ("net: Fix RCU splat in
> af_key"), only keeping the GFP_ATOMIC forcing under rcu_read_lock()
> section.
>
> [1] : syzkaller reported :
...
> Fixes: ba51b6be38c1 ("net: Fix RCU splat in af_key")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Reported-by: Dmitry Vyukov <dvyu...@google.com>
> Cc: David Ahern <d...@cumulusnetworks.com>
> ---
> net/key/af_key.c | 48 ++++++++++++++++++++++++---------------------
> 1 file changed, 26 insertions(+), 22 deletions(-)
>
Thanks for the fix, Eric.
Acked-by: David Ahern <dsah...@gmail.com>
