[PATCH v2 3/8] ima: Evaluate error in init_ima()

Roberto Sassu roberto.sassu at huawei.com
Wed Feb 5 10:39:13 UTC 2020


> -----Original Message-----
> From: Roberto Sassu
> Sent: Wednesday, February 5, 2020 11:33 AM
> To: zohar at linux.ibm.com; James.Bottomley at HansenPartnership.com;
> jarkko.sakkinen at linux.intel.com
> Cc: linux-integrity at vger.kernel.org; linux-security-module at vger.kernel.org;
> linux-kernel at vger.kernel.org; Silviu Vlasceanu
> <Silviu.Vlasceanu at huawei.com>; Roberto Sassu
> <roberto.sassu at huawei.com>
> Subject: [PATCH v2 3/8] ima: Evaluate error in init_ima()
> 
> Evaluate error in init_ima() before register_blocking_lsm_notifier() and
> return if not zero.
> 
> Fixes: b16942455193 ("ima: use the lsm policy update notifier")
> Signed-off-by: Roberto Sassu <roberto.sassu at huawei.com>

Add in CC stable at vger.kernel.org.

Roberto

HUAWEI TECHNOLOGIES Duesseldorf GmbH, HRB 56063
Managing Director: Li Peng, Li Jian, Shi Yanli

> ---
>  security/integrity/ima/ima_main.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/security/integrity/ima/ima_main.c
> b/security/integrity/ima/ima_main.c
> index d7e987baf127..a16c148ed90d 100644
> --- a/security/integrity/ima/ima_main.c
> +++ b/security/integrity/ima/ima_main.c
> @@ -738,6 +738,9 @@ static int __init init_ima(void)
>  		error = ima_init();
>  	}
> 
> +	if (error)
> +		return error;
> +
>  	error = register_blocking_lsm_notifier(&ima_lsm_policy_notifier);
>  	if (error)
>  		pr_warn("Couldn't register LSM notifier, error %d\n", error);
> --
> 2.17.1



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