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habanalabs: check pad and reserved fields in ioctls

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Make sure all reserved/pad fields in uapi input structures
are set to 0.

Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
farah kassabri 2023-01-03 14:23:55 +02:00 committed by Oded Gabbay
parent 0970380a7e
commit 72848de04b
2 changed files with 19 additions and 2 deletions
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15
drivers/accel/habanalabs/common/command_submission.c
View file

@ -1310,6 +1310,13 @@ static int hl_cs_sanity_checks(struct hl_fpriv *hpriv, union hl_cs_args *args)
enum hl_device_status status;
enum hl_cs_type cs_type;
bool is_sync_stream;
int i;
for (i = 0 ; i < sizeof(args->in.pad) ; i++)
if (args->in.pad[i]) {
dev_dbg(hdev->dev, "Padding bytes must be 0\n");
return -EINVAL;
}
if (!hl_device_operational(hdev, &status)) {
return -EBUSY;
@ -2918,7 +2925,13 @@ static int hl_multi_cs_wait_ioctl(struct hl_fpriv *hpriv, void *data)
u32 size_to_copy;
u64 *cs_seq_arr;
u8 seq_arr_len;
int rc;
int rc, i;
for (i = 0 ; i < sizeof(args->in.pad) ; i++)
if (args->in.pad[i]) {
dev_dbg(hdev->dev, "Padding bytes must be 0\n");
return -EINVAL;
}
if (!hdev->supports_wait_for_multi_cs) {
dev_err(hdev->dev, "Wait for multi CS is not supported\n");

6
drivers/accel/habanalabs/common/habanalabs_ioctl.c
View file

@ -884,9 +884,13 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data,
enum hl_device_status status;
struct hl_info_args *args = data;
struct hl_device *hdev = hpriv->hdev;
int rc;
if (args->pad) {
dev_dbg(hdev->dev, "Padding bytes must be 0\n");
return -EINVAL;
}
/*
* Information is returned for the following opcodes even if the device
* is disabled or in reset.