Re: [PATCH net-next v3 1/9] af_packet: avoid erroring out after sock_init_data() in packet_create()

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From: Ignat Korchagin <ignat@xxxxxxxxxxxxxx>
Date: Mon, 14 Oct 2024 16:38:00 +0100
> After sock_init_data() the allocated sk object is attached to the provided
> sock object. On error, packet_create() frees the sk object leaving the
> dangling pointer in the sock object on return. Some other code may try
> to use this pointer and cause use-after-free.
> 
> Suggested-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Signed-off-by: Ignat Korchagin <ignat@xxxxxxxxxxxxxx>

Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>




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