diff options
| -rw-r--r-- | drivers/accel/qaic/qaic_data.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c index ffcdf5738d09..43aba57b48f0 100644 --- a/drivers/accel/qaic/qaic_data.c +++ b/drivers/accel/qaic/qaic_data.c @@ -557,6 +557,7 @@ static bool invalid_sem(struct qaic_sem *sem) static int qaic_validate_req(struct qaic_device *qdev, struct qaic_attach_slice_entry *slice_ent, u32 count, u64 total_size) { + u64 total; int i; for (i = 0; i < count; i++) { @@ -566,7 +567,8 @@ static int qaic_validate_req(struct qaic_device *qdev, struct qaic_attach_slice_ invalid_sem(&slice_ent[i].sem2) || invalid_sem(&slice_ent[i].sem3)) return -EINVAL; - if (slice_ent[i].offset + slice_ent[i].size > total_size) + if (check_add_overflow(slice_ent[i].offset, slice_ent[i].size, &total) || + total > total_size) return -EINVAL; } |