diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c index 38f2ed830dd6..93f09173cc49 100644 --- a/security/integrity/ima/ima_crypto.c +++ b/security/integrity/ima/ima_crypto.c @@ -78,6 +78,8 @@ int __init ima_init_crypto(void) hash_algo_name[ima_hash_algo], rc); return rc; } + pr_info("Allocated hash algorithm: %s\n", + hash_algo_name[ima_hash_algo]); return 0; } diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 2b3def14b4fb..a71f906b4f7a 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -16,6 +16,9 @@ * implements the IMA hooks: ima_bprm_check, ima_file_mmap, * and ima_file_check. */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -426,6 +429,16 @@ static int __init init_ima(void) hash_setup(CONFIG_IMA_DEFAULT_HASH); error = ima_init(); + + if (error && strcmp(hash_algo_name[ima_hash_algo], + CONFIG_IMA_DEFAULT_HASH) != 0) { + pr_info("Allocating %s failed, going to use default hash algorithm %s\n", + hash_algo_name[ima_hash_algo], CONFIG_IMA_DEFAULT_HASH); + hash_setup_done = 0; + hash_setup(CONFIG_IMA_DEFAULT_HASH); + error = ima_init(); + } + if (!error) { ima_initialized = 1; ima_update_policy_flag();