V4L2 timeout leads to NULL pointer dereference in kernel in jetpack 4.6

Autonomous Machines Jetson & Embedded Systems Jetson Xavier NX
,
12

hello tim.cassens,

please update kernel sources as below to fix NULL pointer dereference,
for example,

diff --git a/drivers/media/platform/tegra/camera/vi/capture.c b/drivers/media/platform/tegra/camera/vi/capture.c

@@ -205,7 +205,9 @@ void vi_capture_shutdown(struct tegra_vi_channel *chan)
                }

                capture_common_unpin_memory(&capture->requests);
-               destroy_buffer_table(capture->buf_ctx);
+               if (capture->buf_ctx != NULL)
+                       destroy_buffer_table(capture->buf_ctx);