- Fix bogus 0x0 unwind of the thread's topmost function clone(3) (BZ
216711). - Testcase for readline segfault on excessively long hand-typed lines. - Related: rhbz#216711
This commit is contained in:
Jan Kratochvil
parent
9dc4b31d3d
commit
b9610957d2
3 changed files with 407 additions and 1 deletions
136
gdb-6.5-readline-long-line-crash-test.patch
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136
gdb-6.5-readline-long-line-crash-test.patch
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@ -0,0 +1,136 @@
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=214196
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Index: ./gdb/testsuite/gdb.base/readline-overflow.exp
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===================================================================
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RCS file: ./gdb/testsuite/gdb.base/readline-overflow.exp
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diff -N ./gdb/testsuite/gdb.base/readline-overflow.exp
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--- /dev/null 1 Jan 1970 00:00:00 -0000
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+++ ./gdb/testsuite/gdb.base/readline-overflow.exp 13 Nov 2006 23:42:50 -0000
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@@ -0,0 +1,125 @@
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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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+# Don't let a .inputrc file or an existing setting of INPUTRC mess up
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+# the test results. Even if /dev/null doesn't exist on the particular
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+# platform, the readline library will use the default setting just by
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+# failing to open the file. OTOH, opening /dev/null successfully will
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+# also result in the default settings being used since nothing will be
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+# read from this file.
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+global env
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+if [info exists env(INPUTRC)] {
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+ set old_inputrc $env(INPUTRC)
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+}
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+set env(INPUTRC) "/dev/null"
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+
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+set oldtimeout1 $timeout
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+set timeout 600
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+
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+if [info exists env(GDBHISTFILE)] {
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+ set old_gdbhistfile $env(GDBHISTFILE)
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+}
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+if [info exists env(HISTSIZE)] {
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+ set old_histsize $env(HISTSIZE)
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+}
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+set env(GDBHISTFILE) "${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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+gdb_test "\r" \
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+ "No executable file specified..*" \
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+ "All the characters transferred"
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+
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+
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+# Restore globals modified in this test...
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+if [info exists old_inputrc] {
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+ set env(INPUTRC) $old_inputrc
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+} else {
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+ unset env(INPUTRC)
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+}
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+if [info exists old_gdbhistfile] {
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+ set env(GDBHISTFILE) $old_gdbhistfile
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+} else {
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+ unset env(GDBHISTFILE)
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+}
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+if [info exists old_histsize] {
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+ set env(HISTSIZE) $old_histsize
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+} else {
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+ unset env(HISTSIZE)
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+}
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+set timeout $oldtimeout1
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+
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+return 0
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