1 files changed, 46 insertions, 0 deletions
diff --git a/ghostscript-9.54.0-gdevtxtw-null-also-pointers.patch b/ghostscript-9.54.0-gdevtxtw-null-also-pointers.patch
new file mode 100644
index 0000000..90b9859
--- /dev/null
+++ b/ghostscript-9.54.0-gdevtxtw-null-also-pointers.patch
@@ -0,0 +1,46 @@
+diff --git a/devices/vector/gdevtxtw.c b/devices/vector/gdevtxtw.c
+index c6b95ed5b..f103d598b 100644
+--- a/devices/vector/gdevtxtw.c
++++ b/devices/vector/gdevtxtw.c
+@@ -1982,16 +1982,26 @@ textw_text_release(gs_text_enum_t *pte, client_name_t cname)
+     gx_device_txtwrite_t *const tdev = (gx_device_txtwrite_t *) pte->dev;
+ 
+     /* Free the working buffer where the Unicode was assembled from the enumerated text */
+-    if (penum->TextBuffer)
++    if (penum->TextBuffer) {
+         gs_free(tdev->memory, penum->TextBuffer, 1, penum->TextBufferIndex, "txtwrite free temporary text buffer");
+-    if (penum->Widths)
++        penum->TextBuffer = NULL;
++    }
++    if (penum->Widths) {
+         gs_free(tdev->memory, penum->Widths, sizeof(float), pte->text.size, "txtwrite free temporary widths array");
+-    if (penum->Advs)
++        penum->Widths = NULL;
++    }
++    if (penum->Advs) {
+         gs_free(tdev->memory, penum->Advs, 1, penum->TextBufferIndex, "txtwrite free temporary text buffer");
+-    if (penum->GlyphWidths)
++        penum->Advs = NULL;
++    }
++    if (penum->GlyphWidths) {
+         gs_free(tdev->memory, penum->GlyphWidths, 1, penum->TextBufferIndex, "txtwrite free temporary text buffer");
+-    if (penum->SpanDeltaX)
++        penum->GlyphWidths = NULL;
++    }
++    if (penum->SpanDeltaX) {
+         gs_free(tdev->memory, penum->SpanDeltaX, 1, penum->TextBufferIndex, "txtwrite free temporary text buffer");
++        penum->SpanDeltaX = NULL;
++    }
+     /* If this is copied away when we complete the text enumeration succesfully, then
+      * we set the pointer to NULL, if we get here with it non-NULL , then there was
+      * an error.
+@@ -2008,6 +2018,7 @@ textw_text_release(gs_text_enum_t *pte, client_name_t cname)
+         if (penum->text_state->FontName)
+             gs_free(tdev->memory, penum->text_state->FontName, 1, penum->TextBufferIndex, "txtwrite free temporary font name copy");
+         gs_free(tdev->memory, penum->text_state, 1, sizeof(penum->text_state), "txtwrite free text state");
++        penum->text_state = NULL;
+     }
+ }
+ 
+-- 
+2.17.1