Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Mon, 22 Mar 2021 11:21:45 -0700 you wrote:
> From: Eric Dumazet
>
> When adding CONFIG_PCPU_DEV_REFCNT, I forgot that the
> initial net device refcount was 0.
>
> When CONFIG_PCPU_DEV_REFCNT is not set, this means
> t
From: David Miller
Date: Mon, 22 Mar 2021 16:55:26 -0700 (PDT)
> From: Eric Dumazet
> Date: Mon, 22 Mar 2021 11:21:45 -0700
>
> This hunk:
>> @@ -10682,6 +10682,9 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv,
>> const char *name,
>> dev->pcpu_refcnt = alloc_percpu(int);
>>
From: Eric Dumazet
Date: Mon, 22 Mar 2021 11:21:45 -0700
> From: Eric Dumazet
>
> When adding CONFIG_PCPU_DEV_REFCNT, I forgot that the
> initial net device refcount was 0.
>
> When CONFIG_PCPU_DEV_REFCNT is not set, this means
> the first dev_hold() triggers an illegal refcount
> operation (a
From: Eric Dumazet
When adding CONFIG_PCPU_DEV_REFCNT, I forgot that the
initial net device refcount was 0.
When CONFIG_PCPU_DEV_REFCNT is not set, this means
the first dev_hold() triggers an illegal refcount
operation (addition on 0)
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 0 P
