| Message ID | 1555035005-6070-1-git-send-email-lirongqing@baidu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | acpi/nfit: ensure that intel passphrase length is not larger than nvdimm | expand |
diff --git a/drivers/acpi/nfit/intel.c b/drivers/acpi/nfit/intel.c index f70de71f79d6..9517fb0fd8b9 100644 --- a/drivers/acpi/nfit/intel.c +++ b/drivers/acpi/nfit/intel.c @@ -248,6 +248,8 @@ static int __maybe_unused intel_security_erase(struct nvdimm *nvdimm, }, }; + BUILD_BUG_ON(NVDIMM_PASSPHRASE_LEN < ND_INTEL_PASSPHRASE_SIZE); + if (!test_bit(cmd, &nfit_mem->dsm_mask)) return -ENOTTY;
Both are same now, but if length of nvdimm passphrase is changed to less than intel passphrase length, OOB access will happen Signed-off-by: Li RongQing <lirongqing@baidu.com> --- drivers/acpi/nfit/intel.c | 2 ++ 1 file changed, 2 insertions(+)