diff options
Diffstat (limited to 'emacs/29.1/01_all_xdisp-segfault.patch')
-rw-r--r-- | emacs/29.1/01_all_xdisp-segfault.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/emacs/29.1/01_all_xdisp-segfault.patch b/emacs/29.1/01_all_xdisp-segfault.patch new file mode 100644 index 0000000..835185b --- /dev/null +++ b/emacs/29.1/01_all_xdisp-segfault.patch @@ -0,0 +1,32 @@ +Fix segmentation fault due to invalid mode-line-format +Patch backported from master branch +https://debbugs.gnu.org/64893 + +commit 7ea3f39deec3d54914077455e70605a14eb7d200 +Author: Eli Zaretskii <eliz@gnu.org> +Date: Thu Jul 27 15:34:38 2023 +0300 + + Avoid crashes due to invalid 'mode-line-format' + + * src/xdisp.c (display_mode_element, redisplay_window_error): + Don't take XCAR of what can be Qnil. (Bug#64893) + +--- emacs-29.1/src/xdisp.c ++++ emacs-29.1/src/xdisp.c +@@ -17601,6 +17601,7 @@ redisplay_window_error (Lisp_Object erro + if (max_redisplay_ticks > 0 + && CONSP (error_data) + && EQ (XCAR (error_data), Qerror) ++ && CONSP (XCDR (error_data)) + && STRINGP (XCAR (XCDR (error_data)))) + Vdelayed_warnings_list = Fcons (list2 (XCAR (error_data), + XCAR (XCDR (error_data))), +@@ -27091,7 +27092,7 @@ display_mode_element (struct it *it, int + + oprops = Fcopy_sequence (oprops); + tem = props; +- while (CONSP (tem)) ++ while (CONSP (tem) && CONSP (XCDR (tem))) + { + oprops = plist_put (oprops, XCAR (tem), + XCAR (XCDR (tem))); |