diff options
| -rw-r--r-- | lib/libvfio-user.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libvfio-user.c b/lib/libvfio-user.c index 219b527..be4be95 100644 --- a/lib/libvfio-user.c +++ b/lib/libvfio-user.c @@ -582,12 +582,14 @@ handle_device_get_region_io_fds(vfu_ctx_t *vfu_ctx, vfu_msg_t *msg) assert(msg->out.fds == NULL); if (msg->in.iov.iov_len < sizeof(vfio_user_region_io_fds_request_t)) { + vfu_log(vfu_ctx, LOG_DEBUG, "input message too small"); return ERROR_INT(EINVAL); } req = msg->in.iov.iov_base; if (req->flags != 0 || req->count != 0) { + vfu_log(vfu_ctx, LOG_DEBUG, "bad flags or bad count"); return ERROR_INT(EINVAL); } @@ -601,6 +603,7 @@ handle_device_get_region_io_fds(vfu_ctx_t *vfu_ctx, vfu_msg_t *msg) // At least one flag must be set for a valid region. if (!(vfu_reg->flags & VFU_REGION_FLAG_MASK)) { + vfu_log(vfu_ctx, LOG_DEBUG, "bad region flags"); return ERROR_INT(EINVAL); } @@ -613,6 +616,7 @@ handle_device_get_region_io_fds(vfu_ctx_t *vfu_ctx, vfu_msg_t *msg) if (req->argsz < sizeof(vfio_user_region_io_fds_reply_t) || req->argsz > SERVER_MAX_DATA_XFER_SIZE) { + vfu_log(vfu_ctx, LOG_DEBUG, "bad argsz"); return ERROR_INT(EINVAL); } |