patch 9.0.1740: segfault when reading invalid viminfo file Commit: https://github.com/vim/vim/commit/0a0764684591c7c6a5d722b628f11dc96208e853 Author: Pierre Colin <48397990+Pierre-Colin@users.noreply.github.com> Date: Sat Aug 19 11:56:57 2023 +0200 patch 9.0.1740: segfault when reading invalid viminfo file Problem: segfault when reading invalid viminfo file Solution: Check the expected type in the viminfo file Thanks to @yegappan for the included test. closes: #12652 closes: #12845 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Pierre Colin <48397990+Pierre-Colin@users.noreply.github.com> Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com> Co-authored-by: Christian Brabandt <cb@256bit.org>

--- a/src/viminfo.c
+++ b/src/viminfo.c
@@ -1804,6 +1804,11 @@ handle_viminfo_register(garray_T *values
 	    y_ptr->y_array[i] = vp[i + 6].bv_string;
 	    vp[i + 6].bv_string = NULL;
 	}
+        else if (vp[i + 6].bv_type != BVAL_STRING)
+        {
+            free(y_ptr->y_array);
+            y_ptr->y_array = NULL;
+        }
 	else
 	    y_ptr->y_array[i] = vim_strsave(vp[i + 6].bv_string);
     }