On Wed, 2020-02-12 at 14:30 -0800, Tushar Sugandhi wrote: > > On 2020-02-12 6:47 a.m., Mimi Zohar wrote: > > Hi Tushar, > > > > Please remove the period at the end of the Subject line. > Thanks. I will fix it in the next iteration. > > > > On Tue, 2020-02-11 at 15:14 -0800, Tushar Sugandhi wrote: > >> process_buffer_measurement() does not have log messages for failure > >> conditions. > >> > >> This change adds a log statement in the above function. > > > > I agree some form of notification needs to be added. The question is > > whether the failure should be audited or a kernel message emitted. > > IMA emits audit messages (integrity_audit_msg) for a number of > > reasons - on failure to calculate a file hash, invalid policy rules, > > failure to communicate with the TPM, signature verification errors, > > etc. > I believe both IMA audit messages and kernel message should be emitted - > for better discoverability and diagnosability. Like file measurement failures, failure to measure a key or the boot command line should be audited as well. For debugging purposes, you could make this message pr_devel. Mimi