Re: [PATCH] tpm_crb: check for bad response size

2017-03-11 Thread Jarkko Sakkinen
On Fri, Mar 10, 2017 at 05:46:04PM -0700, Jerry Snitselaar wrote: > Make sure size of response buffer is at least 6 bytes, or > we will underflow and pass large size_t to memcpy_fromio(). > This was encountered while testing earlier version of > locality patchset. > > Fixes: 30fc8d138e912 ("tpm: T

[PATCH] tpm_crb: check for bad response size

2017-03-10 Thread Jerry Snitselaar
Make sure size of response buffer is at least 6 bytes, or we will underflow and pass large size_t to memcpy_fromio(). This was encountered while testing earlier version of locality patchset. Fixes: 30fc8d138e912 ("tpm: TPM 2.0 CRB Interface") Signed-off-by: Jerry Snitselaar --- drivers/char/tpm/