diff --git a/src/gallium/drivers/llvmpipe/lp_fence.c b/src/gallium/drivers/llvmpipe/lp_fence.c
index 81ce55f7845..43777502d0a 100644
--- a/src/gallium/drivers/llvmpipe/lp_fence.c
+++ b/src/gallium/drivers/llvmpipe/lp_fence.c
@@ -294,10 +294,15 @@ lp_create_fence_fd(struct pipe_context *pipe,
    if (!f)
       goto fail;
 
+   f->sync_fd = os_dupfd_cloexec(fd);
+   if (f->sync_fd < 0) {
+      free(f);
+      goto fail;
+   }
+
    pipe_reference_init(&f->reference, 1);
    f->type = LP_FENCE_TYPE_SYNC_FD;
    f->id = p_atomic_inc_return(&fence_id) - 1;
-   f->sync_fd = os_dupfd_cloexec(fd);
    f->issued = true;
 
    *fence = (struct pipe_fence_handle*)f;
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 7405f99158e..be44a89f486 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -852,7 +852,10 @@ llvmpipe_resource_get_handle(struct pipe_screen *_screen,
          /* reuse lavapipe codepath to handle destruction */
          lpr->backable = true;
       } else {
+         assert(lpr->dmabuf_alloc->fd >= 0);
          whandle->handle = os_dupfd_cloexec(lpr->dmabuf_alloc->fd);
+         if (whandle->handle < 0)
+            return false;
       }
       whandle->modifier = DRM_FORMAT_MOD_LINEAR;
       whandle->stride = lpr->row_stride[0];
@@ -1460,8 +1463,15 @@ llvmpipe_allocate_memory_fd(struct pipe_screen *pscreen,
       alloc->type = LLVMPIPE_MEMORY_FD_TYPE_DMA_BUF;
       alloc->cpu_addr = llvmpipe_resource_alloc_udmabuf(screen, alloc, size);
 
-      if (alloc->cpu_addr)
+      if (alloc->cpu_addr) {
          *fd = os_dupfd_cloexec(alloc->fd);
+         if (*fd < 0) {
+            close(alloc->mem_fd);
+            close(alloc->fd);
+            FREE(alloc);
+            goto fail;
+         }
+      }
    } else
 #endif
    {
@@ -1517,6 +1527,13 @@ llvmpipe_import_memory_fd(struct pipe_screen *screen,
       alloc->cpu_addr = cpu_addr;
       alloc->size = mmap_size;
       alloc->fd = os_dupfd_cloexec(fd);
+      if (alloc->fd < 0) {
+         munmap(alloc->cpu_addr, alloc->size);
+         free(alloc);
+         *ptr = NULL;
+         return false;
+      }
+
       *ptr = (struct pipe_memory_allocation*)alloc;
       *size = mmap_size;