Re: [Patch nf] ipvs: initialize tbl->entries after allocation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



	Hello,

On Mon, 23 Apr 2018, Cong Wang wrote:

> tbl->entries is not initialized after kmalloc(), therefore
> causes an uninit-value warning in ip_vs_lblc_check_expire()
> as reported by syzbot.
> 
> Reported-by: <syzbot+3dfdea57819073a04f21@xxxxxxxxxxxxxxxxxxxxxxxxx>
> Cc: Simon Horman <horms@xxxxxxxxxxxx>
> Cc: Julian Anastasov <ja@xxxxxx>
> Cc: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
> Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>

	Thanks!

Acked-by: Julian Anastasov <ja@xxxxxx>

> ---
>  net/netfilter/ipvs/ip_vs_lblcr.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
> index 92adc04557ed..bc2bc5eebcb8 100644
> --- a/net/netfilter/ipvs/ip_vs_lblcr.c
> +++ b/net/netfilter/ipvs/ip_vs_lblcr.c
> @@ -534,6 +534,7 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
>  	tbl->counter = 1;
>  	tbl->dead = false;
>  	tbl->svc = svc;
> +	atomic_set(&tbl->entries, 0);
>  
>  	/*
>  	 *    Hook periodic timer for garbage collection
> -- 
> 2.13.0

Regards

--
Julian Anastasov <ja@xxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe lvs-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Filesystem Devel]     [Linux NFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]     [X.Org]

  Powered by Linux