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Hi,
I am able to reproduce this with a clean compile.
Attached: My Debug file with
a) gdb run until GLIBC DETECT
b) a manual 'bt' after it
c) the last 300 lines of the debug file (debug_level=-1)
Hope that helps a bit.
Regards
Hendrik
Ethan Galstad schrieb:
> It looks like the problem is on line 581 of common/macros.c. Most like
> the pointer is getting set to an invalid address at some point.
>
> I've been running the b4 code with the new servicegroup macros for about
> two weeks without problems thus far. I'll try running it under a
> debugger with various service/servicegroup variations to see if I can
> get it to segfault.
>
> Can you run Nagios with the debug log enabled for service checks to find
> out what service is being checked immediately before the segfault? If
> you could send (offline if necessary) the corresponding service
> definition, as well as defs for any servicegroups its a member of, that
> would be helpful as well.
>
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######
#
# GDB Run
#
######
*** glibc detected *** /usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios: realloc(): invalid next size: 0x082f2d78 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7e44cb1]
/lib/libc.so.6[0xb7e47928]
/lib/libc.so.6(__libc_realloc+0x100)[0xb7e48a40]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(grab_servicegroup_macros+0x96)[0x8077356]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(grab_service_macros+0x18d)[0x807768d]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(run_async_service_check+0x1fc)[0x805c8dc]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(run_scheduled_service_check+0xb9)[0x805e909]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(handle_timed_event+0x176)[0x806dd86]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(event_execution_loop+0x5d4)[0x806e684]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios(main+0x467)[0x8055b17]
/lib/libc.so.6(__libc_start_main+0xdc)[0xb7df687c]
/usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios[0x8055621]
======= Memory map: ========
08048000-080ce000 r-xp 00000000 08:05 181555 /usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios
080ce000-080cf000 rw-p 00086000 08:05 181555 /usr/local/src/cvs/nagios3cvs-appl-ne/base/nagios
080cf000-0861b000 rw-p 080cf000 00:00 0 [heap]
b7400000-b7421000 rw-p b7400000 00:00 0
b7421000-b7500000 ---p b7421000 00:00 0
b7571000-b7572000 ---p b7571000 00:00 0
b7572000-b7d72000 rw-p b7572000 00:00 0
b7d72000-b7da7000 r--s 00000000 08:03 466815 /var/run/nscd/passwd
b7da7000-b7ddc000 r--s 00000000 08:03 466816 /var/run/nscd/group
b7ddc000-b7ddd000 rw-p b7ddc000 00:00 0
b7ddd000-b7ddf000 r-xp 00000000 08:01 692160 /lib/libdl-2.4.so
b7ddf000-b7de1000 rw-p 00001000 08:01 692160 /lib/libdl-2.4.so
b7de1000-b7efc000 r-xp 00000000 08:01 692145 /lib/libc-2.4.so
b7efc000-b7efe000 r--p 0011a000 08:01 692145 /lib/libc-2.4.so
b7efe000-b7f00000 rw-p 0011c000 08:01 692145 /lib/libc-2.4.so
b7f00000-b7f04000 rw-p b7f00000 00:00 0
b7f04000-b7f89000 r-xp 00000000 08:01 549793 /opt/gnome/lib/libglib-2.0.so.0.800.6
b7f89000-b7f8a000 rw-p 00085000 08:01 549793 /opt/gnome/lib/libglib-2.0.so.0.800.6
b7f8a000-b7f8f000 r-xp 00000000 08:05 83787 /usr/lib/libltdl.so.3.1.4
b7f8f000-b7f90000 rw-p 00005000 08:05 83787 /usr/lib/libltdl.so.3.1.4
b7f90000-b7fa1000 r-xp 00000000 08:01 692171 /lib/libpthread-2.4.so
b7fa1000-b7fa3000 rw-p 00010000 08:01 692171 /lib/libpthread-2.4.so
b7fa3000-b7fa5000 rw-p b7fa3000 00:00 0
b7fa5000-b7fc8000 r-xp 00000000 08:01 692164 /lib/libm-2.4.so
b7fc8000-b7fca000 rw-
...[email truncated]...
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