From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Fedora GDB patches Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-6.5-readline-long-line-crash-test.patch ;; Fix readline segfault on excessively long hand-typed lines. ;;=fedoratest https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=214196 diff --git a/gdb/testsuite/gdb.base/readline-overflow.exp b/gdb/testsuite/gdb.base/readline-overflow.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.base/readline-overflow.exp @@ -0,0 +1,96 @@ +# Copyright 2006 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Jan Kratochvil + +# This file is part of the gdb testsuite. + +# +# Tests for readline buffer overflow. +# + +if $tracelevel { + strace $tracelevel +} + +global env + +save_vars { env(GDBHISTFILE) env(HISTSIZE) TERM timeout } { + # The arrow key test relies on the standard VT100 bindings, so + # make sure that an appropriate terminal is selected. The same + # bug doesn't show up if we use ^P / ^N instead. + setenv TERM vt100 + + set timeout 600 + + set env(GDBHISTFILE) "${srcdir}/${subdir}/gdb_history" + set env(HISTSIZE) "10" + + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + + + set width 11 + gdb_test "set width $width" \ + "" \ + "Setting width to $width." + #gdb_test "set height 1" \ + # "" \ + # "Setting height to 1." + send_gdb "run X" + set i 0 + # It crashes using `set width 7' on `set total 3560'. + # Sometimes it corrupts screen on `set width 7'. + # Bugreport used `set total 130001': + # https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=214196 + # Check also `timeout' above. + set total 4200 + gdb_expect { + -re X { + incr i + if {$i <= $total} { + send_gdb "X" + exp_continue + } + } + -re "\[ \b\r\n\]" { + exp_continue + } + eof { + fail "gdb sending total $total characters" + note "Failed after sending $i characters, reason: EOF" + gdb_clear_suppressed + } + timeout { + fail "gdb sending total $total characters" + note "Failed after sending $i characters (timeout $timeout), reason: TIMEOUT" + gdb_clear_suppressed + } + default { + fail "gdb sending total $total characters" + note "Failed after sending $i characters, reason: 0=\[$expect_out(0,string)\] buffer=\[$expect_out(buffer)\]" + gdb_clear_suppressed + } + } + send_gdb "\r" + gdb_test "" \ + "No executable file specified..*" \ + "All the characters transferred" +}