diff options
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index b9afaea2a3d3..f53086cc7b92 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -151,6 +151,9 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret) sev = psp->sev_data; + if (data && WARN_ON_ONCE(!virt_addr_valid(data))) + return -EINVAL; + /* Get the physical address of the command buffer */ phys_lsb = data ? lower_32_bits(__psp_pa(data)) : 0; phys_msb = data ? upper_32_bits(__psp_pa(data)) : 0; |