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