http://www.couchbase.com/issues This file is an XML representation of an issue en-us 5.2.4 845 26-12-2012 http://www.couchbase.com/issues/browse/RCBC-33 Couchbase Ruby client library While trying to understand issue in <a href="http://www.couchbase.com/issues/browse/MB-4493" title="Couchbase give different set of buckets list for url ending with &#39;/&#39;"><strike>MB-4493</strike></a> (caused by our unusual auth behavior, which could be client &quot;bug&quot; as well) I tried the following from irb and here&#39;s what I got: <br/> <br/> &gt;&gt; Couchbase.new(:hostname =&gt; &quot;localhost&quot;, :port =&gt; 9000, :bucket =&gt; &quot;pwprotected&quot;, :username =&gt;&quot;Administrator&quot;, :password=&gt;&quot;asdasd&quot;) <br/> *** buffer overflow detected ***: irb terminated <br/> ======= Backtrace: ========= <br/> /lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x50)[0xf7521f70] <br/> /lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xe3eaa)[0xf7520eaa] <br/> /lib/i386-linux-gnu/i686/cmov/libc.so.6(__strcpy_chk+0x44)[0xf7520224] <br/> /usr/lib/libcouchbase.so.1(+0x59c1)[0xf6c1b9c1] <br/> ======= Memory map: ======== <br/> 08048000-08049000 r-xp 00000000 08:02 17341823 /usr/bin/ruby1.8 <br/> 08049000-0804a000 r--p 00000000 08:02 17341823 /usr/bin/ruby1.8 <br/> 0804a000-0804b000 rw-p 00001000 08:02 17341823 /usr/bin/ruby1.8 <br/> 08b9b000-08fbd000 rw-p 00000000 00:00 0 [heap] <br/> f6b79000-f6b95000 r-xp 00000000 08:02 17995831 /lib/i386-linux-gnu/libgcc_s.so.1 <br/> f6b95000-f6b96000 rw-p 0001b000 08:02 17995831 /lib/i386-linux-gnu/libgcc_s.so.1 <br/> f6b96000-f6bcb000 r--s 00000000 08:02 11171194 /var/cache/nscd/hosts <br/> f6bcb000-f6c11000 r-xp 00000000 08:02 17736136 /usr/lib/libevent-2.0.so.5.1.6 <br/> f6c11000-f6c12000 rw-p 00046000 08:02 17736136 /usr/lib/libevent-2.0.so.5.1.6 <br/> f6c12000-f6c14000 r-xp 00000000 08:02 17736875 /usr/lib/libcouchbase_libevent.so.1.0.0 <br/> f6c14000-f6c15000 r--p 00001000 08:02 17736875 /usr/lib/libcouchbase_libevent.so.1.0.0 <br/> f6c15000-f6c16000 rw-p 00002000 08:02 17736875 /usr/lib/libcouchbase_libevent.so.1.0.0 <br/> f6c16000-f6c26000 r-xp 00000000 08:02 17736895 /usr/lib/libcouchbase.so.1.2.0 <br/> f6c26000-f6c27000 r--p 0000f000 08:02 17736895 /usr/lib/libcouchbase.so.1.2.0 <br/> f6c27000-f6c28000 rw-p 00010000 08:02 17736895 /usr/lib/libcouchbase.so.1.2.0 <br/> f6c28000-f6c33000 r-xp 00000000 08:02 16171260 /var/lib/gems/1.8/gems/yajl-ruby-1.1.0/lib/yajl/yajl.so <br/> f6c33000-f6c34000 rw-p 0000a000 08:02 16171260 /var/lib/gems/1.8/gems/yajl-ruby-1.1.0/lib/yajl/yajl.so <br/> f6c34000-f6f52000 rw-p 00000000 00:00 0 <br/> f6f52000-f7072000 r--p 001ee000 08:02 23382439 /usr/lib/locale/locale-archive <br/> f7072000-f7272000 r--p 00000000 08:02 23382439 /usr/lib/locale/locale-archive <br/> f7272000-f7311000 rw-p 00000000 00:00 0 <br/> f7311000-f732e000 r-xp 00000000 08:02 17995776 /lib/i386-linux-gnu/libtinfo.so.5.9 <br/> f732e000-f7330000 r--p 0001c000 08:02 17995776 /lib/i386-linux-gnu/libtinfo.so.5.9 <br/> f7330000-f7331000 rw-p 0001e000 08:02 17995776 /lib/i386-linux-gnu/libtinfo.so.5.9 <br/> f7331000-f7353000 r-xp 00000000 08:02 17995778 /lib/i386-linux-gnu/libncurses.so.5.9 <br/> f7353000-f7354000 r--p 00021000 08:02 17995778 /lib/i386-linux-gnu/libncurses.so.5.9 <br/> f7354000-f7355000 rw-p 00022000 08:02 17995778 /lib/i386-linux-gnu/libncurses.so.5.9 <br/> f7355000-f7389000 r-xp 00000000 08:02 17992855 /lib/i386-linux-gnu/libreadline.so.5.2 <br/> f7389000-f738d000 rw-p 00033000 08:02 17992855 /lib/i386-linux-gnu/libreadline.so.5.2 <br/> f738d000-f738e000 rw-p 00000000 00:00 0 <br/> f73b2000-f743d000 rw-p 00000000 00:00 0 <br/> f743d000-f7593000 r-xp 00000000 08:02 17995820 /lib/i386-linux-gnu/i686/cmov/libc-2.13.so <br/> f7593000-f7594000 ---p 00156000 08:02 17995820 /lib/i386-linux-gnu/i686/cmov/libc-2.13.so <br/> f7594000-f7596000 r--p 00156000 08:02 17995820 /lib/i386-linux-gnu/i686/cmov/libc-2.13.so <br/> f7596000-f7597000 rw-p 00158000 08:02 17995820 /lib/i386-linux-gnu/i686/cmov/libc-2.13.so <br/> f7597000-f759a000 rw-p 00000000 00:00 0 <br/> f759a000-f75be000 r-xp 00000000 08:02 17995814 /lib/i386-linux-gnu/i686/cmov/libm-2.13.so <br/> f75be000-f75bf000 r--p 00023000 08:02 17995814 /lib/i386-linux-gnu/i686/cmov/libm-2.13.so <br/> f75bf000-f75c0000 rw-p 00024000 08:02 17995814 /lib/i386-linux-gnu/i686/cmov/libm-2.13.so <br/> f75c0000-f75c9000 r-xp 00000000 08:02 17995801 /lib/i386-linux-gnu/i686/cmov/libcrypt-2.13.so <br/> f75c9000-f75ca000 r--p 00008000 08:02 17995801 /lib/i386-linux-gnu/i686/cmov/libcrypt-2.13.so <br/> f75ca000-f75cb000 rw-p 00009000 08:02 17995801 /lib/i386-linux-gnu/i686/cmov/libcrypt-2.13.so <br/> f75cb000-f75f2000 rw-p 00000000 00:00 0 <br/> f75f2000-f75f4000 r-xp 00000000 08:02 17995803 /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so <br/> f75f4000-f75f5000 r--p 00001000 08:02 17995803 /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so <br/> f75f5000-f75f6000 rw-p 00002000 08:02 17995803 /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so <br/> f75f6000-f75fd000 r-xp 00000000 08:02 17995828 /lib/i386-linux-gnu/i686/cmov/librt-2.13.so <br/> f75fd000-f75fe000 r--p 00006000 08:02 17995828 /lib/i386-linux-gnu/i686/cmov/librt-2.13.so <br/> f75fe000-f75ff000 rw-p 00007000 08:02 17995828 /lib/i386-linux-gnu/i686/cmov/librt-2.13.so <br/> f75ff000-f7600000 rw-p 00000000 00:00 0 <br/> f7600000-f7615000 r-xp 00000000 08:02 17995797 /lib/i386-linux-gnu/i686/cmov/libpthread-2.13.so <br/> f7615000-f7616000 r--p 00014000 08:02 17995797 /lib/i386-linux-gnu/i686/cmov/libpthread-2.13.so <br/> f7616000-f7617000 rw-p 00015000 08:02 17995797 /lib/i386-linux-gnu/i686/cmov/libpthread-2.13.so <br/> f7617000-f7619000 rw-p 00000000 00:00 0 <br/> f7619000-f7703000 r-xp 00000000 08:02 17736598 /usr/lib/libruby1.8.so.1.8.7 <br/> f7703000-f7706000 rw-p 000e9000 08:02 17736598 /usr/lib/libruby1.8.so.1.8.7 <br/> f7706000-f7716000 rw-p 00000000 00:00 0 <br/> f7717000-f771e000 r-xp 00000000 08:02 17736748 /usr/lib/libvbucket.so.1.1.0 <br/> f771e000-f771f000 r--p 00006000 08:02 17736748 /usr/lib/libvbucket.so.1.1.0 <br/> f771f000-f7720000 rw-p 00007000 08:02 17736748 /usr/lib/libvbucket.so.1.1.0Aborted <br/> <br/> Debian GNU/Linux i386 sid (kept up to date) <br/> RCBC-33

Crash caused by libc detecting buffer overflow

Bug Major Closed Fixed Public Sergey Avseyev Aleksey Kondratenko Mon, 30 Apr 2012 15:27:33 -0500 Tue, 13 Nov 2012 04:24:15 -0600 Wed, 2 May 2012 17:41:10 -0500 library 0 0 Is it possible to get the line in libcouchbase which called strcpy? <br/> <br/> /usr/lib/libcouchbase.so.1(+0x59c1)[0xf6c1b9c1] <br/> <br/> Also what versions of libcouchbase/libvbucket/gem are you using? # dpkg -l &#39;*couchbas*&#39; <br/> Desired=Unknown/Install/Remove/Purge/Hold <br/> | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend <br/> |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) <br/> ||/ Name Version Description <br/> +++-=====================================================-=====================================================-========================================================================================================================== <br/> ii libcouchbase-dev 1.0.2-1 library for the Couchbase protocol, development files <br/> ii libcouchbase1 1.0.2-1 library for the Couchbase protocol <br/> &nbsp;gem list --local | grep couchbase <br/> couchbase (1.1.1) <br/> Program received signal SIGABRT, Aborted. <br/> 0xf7fe0430 in __kernel_vsyscall () <br/> (gdb) bt <br/> #0 0xf7fe0430 in __kernel_vsyscall () <br/> #1 0xf7d0b941 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 <br/> #2 0xf7d0ed72 in *__GI_abort () at abort.c:92 <br/> #3 0xf7d452f5 in __libc_message (do_abort=2, fmt=0xf7e18608 &quot;*** %s ***: %s terminated\n&quot;) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189 <br/> #4 0xf7dc5f70 in *__GI___fortify_fail (msg=&lt;optimized out&gt;) at fortify_fail.c:32 <br/> #5 0xf7dc4eaa in *__GI___chk_fail () at chk_fail.c:29 <br/> #6 0xf7dc4224 in __strcpy_chk (dest=0x83975d0 &quot;s&quot;, src=0x80fbfc8 &quot;simple&quot;, destlen=6) at strcpy_chk.c:61 <br/> #7 0xf7fc59c1 in ?? () from /usr/lib/libcouchbase.so.1 <br/> #8 0xf7fc6a91 in ?? () from /usr/lib/libcouchbase.so.1 <br/> #9 0xf7a27e79 in event_base_loop () from /usr/lib/libevent-2.0.so.5 <br/> #10 0xf7fbca38 in ?? () from /usr/lib/libcouchbase_libevent.so.1 <br/> #11 0xf7fcbdca in libcouchbase_wait () from /usr/lib/libcouchbase.so.1 <br/> #12 0xf7fd5169 in do_connect (bucket=0x82de188) at couchbase_ext.c:1196 <br/> #13 0xf7fd76e7 in cb_bucket_init (argc=1, argv=0xffffc960, self=4156170480) at couchbase_ext.c:1300 <br/> #14 0xf7ef3ace in call_cfunc (argv=0xffffc960, argc=1, len=-1, recv=4156170480, func=0xf7fd7610 &lt;cb_bucket_init&gt;) at eval.c:5778 <br/> #15 rb_call0 (klass=4156186100, recv=4156170480, id=2961, oid=2961, argc=1, argv=0xffffc960, body=0xf7ba5c78, flags=2) at eval.c:5928 <br/> #16 0xf7ef3d31 in rb_call (klass=4156186100, recv=4156170480, mid=2961, argc=1, argv=0xffffc960, scope=1, self=&lt;optimized out&gt;) at eval.c:6176 <br/> #17 0xf7ef40ec in rb_funcall2 (recv=4156170480, mid=2961, argc=1, argv=0xffffc960) at eval.c:6312 <br/> #18 0xf7ef419a in rb_obj_call_init (obj=4156170480, argc=1, argv=0xffffc960) at eval.c:7825 <br/> #19 0xf7fd456e in cb_bucket_new (argc=1, argv=0xffffc960, klass=4156186100) at couchbase_ext.c:1227 <br/> #20 0xf7ef3ace in call_cfunc (argv=0xffffc960, argc=1, len=-1, recv=4156186100, func=0xf7fd44d0 &lt;cb_bucket_new&gt;) at eval.c:5778 <br/> #21 rb_call0 (klass=4156186080, recv=4156186100, id=3361, oid=3361, argc=1, argv=0xffffc960, body=0xf7ba5cf0, flags=0) at eval.c:5928 <br/> #22 0xf7ef3d31 in rb_call (klass=4156186080, recv=4156186100, mid=3361, argc=1, argv=0xffffc960, scope=0, self=&lt;optimized out&gt;) at eval.c:6176 <br/> #23 0xf7ef9409 in rb_eval (self=4155198180, n=0xf7ab5ef8) at eval.c:3506 <br/> #24 0xf7ef3061 in rb_call0 (klass=4156171320, recv=4155198180, id=3361, oid=15945, argc=&lt;optimized out&gt;, argv=&lt;optimized out&gt;, body=0xf7ab5ea8, flags=0) at eval.c:6079 <br/> #25 0xf7ef3d31 in rb_call (klass=4156171320, recv=4155198180, mid=3361, argc=1, argv=0xffffce90, scope=0, self=&lt;optimized out&gt;) at eval.c:6176 <br/> #26 0xf7ef9409 in rb_eval (self=4157462860, n=0xf7c9b4ac) at eval.c:3506 <br/> #27 0xf7effb3d in ruby_exec_internal () at eval.c:1654 <br/> #28 0xf7effb90 in ruby_exec () at eval.c:1674 <br/> #29 0xf7f022cc in ruby_run () at eval.c:1684 <br/> #30 0x0804868d in main (argc=6, argv=0xffffd394, envp=0xffffd3b0) at main.c:48 <br/> simple is pwprotected&#39;s bucket password. Not sure if it&#39;s good idea to use it at all btw <a href="http://review.couchbase.org/14641">http://review.couchbase.org/14641</a> it was fixed <br/> <br/> try to use <br/> <br/> &nbsp;&nbsp;&nbsp;deb <a href="http://packages.couchbase.com/preview/ubuntu">http://packages.couchbase.com/preview/ubuntu</a> oneiric oneiric/main <br/> <br/> or <br/> <br/> &nbsp;&nbsp;deb <a href="http://packages.couchbase.com/preview/ubuntu">http://packages.couchbase.com/preview/ubuntu</a> lucid lucid/main <br/> <br/> And then install preview couchbase gem: gem install couchbase --pre <br/> <br/> (you&#39;ll also get Views API btw) <br/> The problem fixed in libcouchbase 1.0.3: <a href="http://couchbase.com/develop/c/current">http://couchbase.com/develop/c/current</a> Rank 9628 Time In Status