Public bug reported:
Binary package hint: xymon
To whom it may concern
There appears to be a bug with Xymon's Availability report. I started
doing straces and the I found
14:29:39.537196 mkdir("/usr/lib/hobbit/server/www/rep/3755-1295958579", 0755) =
0 <0.000080>
14:29:39.537344 open("/dev/tty", O_RDWR|O_NOCTTY|O_NONBLOCK) = -1 ENXIO (No
such device or address) <0.000022>
14:29:39.537417 writev(2, [{"*** ", 4}, {"buffer overflow detected", 24}, {"
***: ", 6}, {"/usr/lib/hobbit/server/bin/bb-re"..., 37}, {" terminated\n",
12}], 5) = 83 <0.000028>
When I got the strace I start Googling the problem, it appears to be a
known / common problem
http://comments.gmane.org/gmane.comp.monitoring.hobbit/23117
http://www.xymon.com/archive/2009/07/msg00369.html
http://www.xymon.com/archive/2010/03/msg00150.html
Below is the output in /var/log/hobbit/cgierror.log
-------------------------------------------------------------
*** buffer overflow detected ***: /usr/lib/hobbit/server/bin/bb-rep.cgi
terminated
======= Backtrace: =========
/lib/libc.so.6(__fortify_fail+0x37)[0x7ff427b13217]
/lib/libc.so.6(+0xfe0d0)[0x7ff427b120d0]
/lib/libc.so.6(+0xfd539)[0x7ff427b11539]
/lib/libc.so.6(_IO_default_xsputn+0xcc)[0x7ff427a89d1c]
/lib/libc.so.6(_IO_vfprintf+0xf3e)[0x7ff427a5a2de]
/lib/libc.so.6(__vsprintf_chk+0x99)[0x7ff427b115d9]
/lib/libc.so.6(__sprintf_chk+0x7f)[0x7ff427b1151f]
/usr/lib/hobbit/server/bin/bb-rep.cgi[0x403226]
/lib/libc.so.6(__libc_start_main+0xfd)[0x7ff427a32c4d]
/usr/lib/hobbit/server/bin/bb-rep.cgi[0x4025e9]
======= Memory map: ========
00400000-0041b000 r-xp 00000000 fb:00 269547
/usr/lib/hobbit/server/bin/bb-rep.cgi
0061a000-0061b000 r--p 0001a000 fb:00 269547
/usr/lib/hobbit/server/bin/bb-rep.cgi
0061b000-0061c000 rw-p 0001b000 fb:00 269547
/usr/lib/hobbit/server/bin/bb-rep.cgi
0061c000-0061d000 rw-p 00000000 00:00 0
00e81000-00ea2000 rw-p 00000000 00:00 0 [heap]
7ff4275e0000-7ff4275f6000 r-xp 00000000 fb:00 4008
/lib/libgcc_s.so.1
7ff4275f6000-7ff4277f5000 ---p 00016000 fb:00 4008
/lib/libgcc_s.so.1
7ff4277f5000-7ff4277f6000 r--p 00015000 fb:00 4008
/lib/libgcc_s.so.1
7ff4277f6000-7ff4277f7000 rw-p 00016000 fb:00 4008
/lib/libgcc_s.so.1
7ff4277f7000-7ff42780f000 r-xp 00000000 fb:00 430
/lib/libpthread-2.11.1.so
7ff42780f000-7ff427a0e000 ---p 00018000 fb:00 430
/lib/libpthread-2.11.1.so
7ff427a0e000-7ff427a0f000 r--p 00017000 fb:00 430
/lib/libpthread-2.11.1.so
7ff427a0f000-7ff427a10000 rw-p 00018000 fb:00 430
/lib/libpthread-2.11.1.so
7ff427a10000-7ff427a14000 rw-p 00000000 00:00 0
7ff427a14000-7ff427b8e000 r-xp 00000000 fb:00 432
/lib/libc-2.11.1.so
7ff427b8e000-7ff427d8d000 ---p 0017a000 fb:00 432
/lib/libc-2.11.1.so
7ff427d8d000-7ff427d91000 r--p 00179000 fb:00 432
/lib/libc-2.11.1.so
7ff427d91000-7ff427d92000 rw-p 0017d000 fb:00 432
/lib/libc-2.11.1.so
7ff427d92000-7ff427d97000 rw-p 00000000 00:00 0
7ff427d97000-7ff427d9e000 r-xp 00000000 fb:00 420
/lib/librt-2.11.1.so
7ff427d9e000-7ff427f9d000 ---p 00007000 fb:00 420
/lib/librt-2.11.1.so
7ff427f9d000-7ff427f9e000 r--p 00006000 fb:00 420
/lib/librt-2.11.1.so
7ff427f9e000-7ff427f9f000 rw-p 00007000 fb:00 420
/lib/librt-2.11.1.so
7ff427f9f000-7ff427fcc000 r-xp 00000000 fb:00 4016
/lib/libpcre.so.3.12.1
7ff427fcc000-7ff4281cb000 ---p 0002d000 fb:00 4016
/lib/libpcre.so.3.12.1
7ff4281cb000-7ff4281cc000 r--p 0002c000 fb:00 4016
/lib/libpcre.so.3.12.1
7ff4281cc000-7ff4281cd000 rw-p 0002d000 fb:00 4016
/lib/libpcre.so.3.12.1
7ff4281cd000-7ff4281ed000 r-xp 00000000 fb:00 417
/lib/ld-2.11.1.so
7ff4283de000-7ff4283e2000 rw-p 00000000 00:00 0
7ff4283e9000-7ff4283ec000 rw-p 00000000 00:00 0
7ff4283ec000-7ff4283ed000 r--p 0001f000 fb:00 417
/lib/ld-2.11.1.so
7ff4283ed000-7ff4283ee000 rw-p 00020000 fb:00 417
/lib/ld-2.11.1.so
7ff4283ee000-7ff4283ef000 rw-p 00000000 00:00 0
7fff294db000-7fff294f0000 rw-p 00000000 00:00 0 [stack]
7fff295e8000-7fff295e9000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
[vsyscall]
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xymon (not installed)
ProcVersionSignature: Ubuntu 2.6.35-25.43-generic 2.6.35.10
Uname: Linux 2.6.35-25-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Tue Jan 25 14:56:07 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcEnviron:
LANG=en_ZA.utf8
SHELL=/bin/bash
SourcePackage: xymon
** Affects: xymon (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 maverick
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https://bugs.launchpad.net/bugs/707393
Title:
buffer overflow detected for /usr/lib/hobbit/server/bin/bb-rep.cgi
terminated
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