To: vim_dev@googlegroups.com Subject: Patch 8.1.0565 Fcc: outbox From: Bram Moolenaar Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------ Patch 8.1.0565 Problem: Asan complains about reading before allocated block. Solution: Workaround: Avoid offset from becoming negative. Files: src/gui.c *** ../vim-8.1.0564/src/gui.c 2018-11-16 16:21:01.633310065 +0100 --- src/gui.c 2018-12-05 19:44:07.455956642 +0100 *************** *** 2753,2759 **** } else if (enc_utf8) { ! if (ScreenLines[off + col1] == 0) --col1; # ifdef FEAT_GUI_GTK if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) --- 2753,2760 ---- } else if (enc_utf8) { ! // FIXME: how can the first character ever be zero? ! if (col1 > 0 && ScreenLines[off + col1] == 0) --col1; # ifdef FEAT_GUI_GTK if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) *** ../vim-8.1.0564/src/version.c 2018-12-05 18:43:24.489493117 +0100 --- src/version.c 2018-12-05 19:45:06.855458016 +0100 *************** *** 794,795 **** --- 794,797 ---- { /* Add new patch number below this line */ + /**/ + 565, /**/ -- SECOND SOLDIER: It could be carried by an African swallow! FIRST SOLDIER: Oh yes! An African swallow maybe ... but not a European swallow. that's my point. "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org ///