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| author | Mimi Zohar <zohar@linux.ibm.com> | 2021-05-14 01:36:04 +0300 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2021-06-20 18:10:25 +0300 |
| commit | 87ac3d002d567fac3527d6612865e81cfd783727 (patch) | |
| tree | 9a43cd3d52a0edb7817d8efecb5ec868f3c7c7d1 /security/integrity/evm/evm_main.c | |
| parent | 52c208397c246f0c31d031eb8c41f9c7e9fdec0e (diff) | |
| download | linux-87ac3d002d567fac3527d6612865e81cfd783727.tar.xz | |
evm: output EVM digest calculation info
Output the data used in calculating the EVM digest and the resulting
digest as ascii hexadecimal strings.
Suggested-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com> (CONFIG_DYNAMIC_DEBUG)
Reviewed-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Reported-by: kernel test robot <lkp@intel.com> (Use %zu for size_t)
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security/integrity/evm/evm_main.c')
| -rw-r--r-- | security/integrity/evm/evm_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c index 977208aecd06..1c8435dfabee 100644 --- a/security/integrity/evm/evm_main.c +++ b/security/integrity/evm/evm_main.c @@ -11,6 +11,8 @@ * evm_inode_removexattr, and evm_verifyxattr */ +#define pr_fmt(fmt) "EVM: "fmt + #include <linux/init.h> #include <linux/crypto.h> #include <linux/audit.h> @@ -272,6 +274,8 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry, else evm_status = INTEGRITY_FAIL; } + pr_debug("digest: (%d) [%*phN]\n", digest.hdr.length, digest.hdr.length, + digest.digest); out: if (iint) iint->evm_status = evm_status; |