On 7/29/19 7:23 PM, Cong Wang wrote:
> On Mon, Jul 29, 2019 at 1:24 AM Jia-Ju Bai wrote:
>>
>> In dequeue_func(), there is an if statement on line 74 to check whether
>> skb is NULL:
>> if (skb)
>>
>> When skb is NULL, it is used on line 77:
>> prefetch(&skb->end);
>>
>> Thus, a possibl
On Mon, Jul 29, 2019 at 1:24 AM Jia-Ju Bai wrote:
>
> In dequeue_func(), there is an if statement on line 74 to check whether
> skb is NULL:
> if (skb)
>
> When skb is NULL, it is used on line 77:
> prefetch(&skb->end);
>
> Thus, a possible null-pointer dereference may occur.
>
> To fix th
From: Jia-Ju Bai
Date: Mon, 29 Jul 2019 16:24:33 +0800
> In dequeue_func(), there is an if statement on line 74 to check whether
> skb is NULL:
> if (skb)
>
> When skb is NULL, it is used on line 77:
> prefetch(&skb->end);
>
> Thus, a possible null-pointer dereference may occur.
>
> To
Mon, Jul 29, 2019 at 10:24:33AM CEST, baijiaju1...@gmail.com wrote:
>In dequeue_func(), there is an if statement on line 74 to check whether
>skb is NULL:
>if (skb)
>
>When skb is NULL, it is used on line 77:
>prefetch(&skb->end);
>
>Thus, a possible null-pointer dereference may occur.
>
>T
In dequeue_func(), there is an if statement on line 74 to check whether
skb is NULL:
if (skb)
When skb is NULL, it is used on line 77:
prefetch(&skb->end);
Thus, a possible null-pointer dereference may occur.
To fix this bug, skb->end is used when skb is not NULL.
This bug is found by a
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