fix "git apply --index ..." not to deref NULL

[git.git] / builtin / apply.c

diff --git a/builtin/apply.c b/builtin/apply.c
index 14951daedffa9e8a8a913eee5e8423220e86e291..97ade776f375320550fd5557e323c9896cac2658 100644 (file)
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -1405,6 +1405,9 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
                                            "%d leading pathname components (line %d)" , p_value, linenr);
                                patch->old_name = patch->new_name = patch->def_name;
                        }
+                       if (!patch->is_delete && !patch->new_name)
+                               die("git diff header lacks filename information "
+                                   "(line %d)", linenr);
                        patch->is_toplevel_relative = 1;
                        *hdrsize = git_hdr_len;
                        return offset;