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author | Jerry Snitselaar <jsnitsel@redhat.com> | 2017-03-11 00:46:04 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-25 13:44:32 (GMT) |
commit | cc15d340ec6a63aec4b0f68465f79b79add847eb (patch) | |
tree | eb83fe6f6237186c974e482e58d3cbfe71d6ddf4 /sound/soc/codecs | |
parent | 0c150305212b7afc3c8f90d3fe165ba902cc28f9 (diff) | |
download | linux-cc15d340ec6a63aec4b0f68465f79b79add847eb.tar.xz |
tpm_crb: check for bad response size
commit 8569defde8057258835c51ce01a33de82e14b148 upstream.
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 <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc/codecs')
0 files changed, 0 insertions, 0 deletions