Daryl - it is possibly due to a typo that was just detected and fixed.
If you are willing to try the latest svn version, it might fix the
problem.
Mark
Daryl Grunau wrote:
> Hi, I running this version of cfengine in FC8 and keep getting the
> following runtime error:
>
> [EMAIL PROTECTED] [1658] # cfagent -qxK
> *** buffer overflow detected ***: cfagent terminated
> ======= Backtrace: =========
> /lib64/libc.so.6(__fortify_fail-0x8da20)[0x805475b148]
> /lib64/libc.so.6(__chk_fail-0x8fb34)[0x8054758d14]
> /lib64/libc.so.6(__strcat_chk-0x90d48)[0x8054757a10]
> cfagent[0x1008e53c]
> cfagent[0x1004c39c]
> cfagent[0x1005571c]
> cfagent[0x100723f0]
> cfagent[0x10068ab8]
> cfagent[0x10034b44]
> cfagent[0x100359ec]
> cfagent[0x100097e8]
> /lib64/libc.so.6[0x805466b184]
> /lib64/libc.so.6(__libc_start_main-0x175924)[0x805466b39c]
> ======= Memory map: ========
> 00100000-00103000 r-xp 00100000 00:00 0
> [vdso]
> 10000000-100c8000 r-xp 00000000 08:03 39455915
> /usr/sbin/cfagent
> 100d7000-100ea000 rw-p 000c7000 08:03 39455915
> /usr/sbin/cfagent
> 100ea000-10237000 rw-p 100ea000 00:00 0
> [heap]
> 80545d0000-80545fc000 r-xp 00000000 08:03 21332054
> /lib64/ld-2.7.so
> 805460f000-8054610000 r--p 0002f000 08:03 21332054
> /lib64/ld-2.7.so
> 8054610000-8054613000 rw-p 00030000 08:03 21332054
> /lib64/ld-2.7.so
> 8054620000-80547c4000 r-xp 00000000 08:03 21332043
> /lib64/libc-2.7.so
> 80547c4000-80547dc000 ---p 001a4000 08:03 21332043
> /lib64/libc-2.7.so
> 80547dc000-80547e0000 r--p 001ac000 08:03 21332043
> /lib64/libc-2.7.so
> 80547e0000-80547f0000 rw-p 001b0000 08:03 21332043
> /lib64/libc-2.7.so
> 80547f0000-80547f4000 rw-p 80547f0000 00:00 0
> 8054800000-80548bf000 r-xp 00000000 08:03 21332047
> /lib64/libm-2.7.so
> 80548bf000-80548cf000 ---p 000bf000 08:03 21332047
> /lib64/libm-2.7.so
> 80548cf000-80548d0000 r--p 000bf000 08:03 21332047
> /lib64/libm-2.7.so
> 80548d0000-80548d9000 rw-p 000c0000 08:03 21332047
> /lib64/libm-2.7.so
> 80548e0000-80548e4000 r-xp 00000000 08:03 21331977
> /lib64/libdl-2.7.so
> 80548e4000-80548ff000 ---p 00004000 08:03 21331977
> /lib64/libdl-2.7.so
> 80548ff000-8054900000 r--p 0000f000 08:03 21331977
> /lib64/libdl-2.7.so
> 8054900000-8054901000 rw-p 00010000 08:03 21331977
> /lib64/libdl-2.7.so
> 8054910000-805492e000 r-xp 00000000 08:03 21332049
> /lib64/libpthread-2.7.so
> 805492e000-805493f000 ---p 0001e000 08:03 21332049
> /lib64/libpthread-2.7.so
> 805493f000-8054940000 r--p 0001f000 08:03 21332049
> /lib64/libpthread-2.7.so
> 8054940000-8054942000 rw-p 00020000 08:03 21332049
> /lib64/libpthread-2.7.so
> 8054942000-8054946000 rw-p 8054942000 00:00 0
> 8054950000-8054969000 r-xp 00000000 08:03 21331983
> /lib64/libz.so.1.2.3
> 8054969000-8054978000 ---p 00019000 08:03 21331983
> /lib64/libz.so.1.2.3
> 8054978000-805497a000 rw-p 00018000 08:03 21331983
> /lib64/libz.so.1.2.3
> 8054e70000-8054e87000 r-xp 00000000 08:03 21331987
> /lib64/libresolv-2.7.so
> 8054e87000-8054e9f000 ---p 00017000 08:03 21331987
> /lib64/libresolv-2.7.so
> 8054e9f000-8054ea0000 r--p 0001f000 08:03 21331987
> /lib64/libresolv-2.7.so
> 8054ea0000-8054ea2000 rw-p 00020000 08:03 21331987
> /lib64/libresolv-2.7.so
> 8054ea2000-8054ea4000 rw-p 8054ea2000 00:00 0
> 8055010000-805501b000 r-xp 00000000 08:03 21332044
> /lib64/librt-2.7.so
> 805501b000-805502f000 ---p 0000b000 08:03 21332044
> /lib64/librt-2.7.so
> 805502f000-8055030000 r--p 0000f000 08:03 21332044
> /lib64/librt-2.7.so
> 8055030000-8055031000 rw-p 00010000 08:03 21332044
> /lib64/librt-2.7.so
> 8055031000-8055032000 rw-p 8055031000 00:00 0
> 8056500000-80566ae000 r-xp 00000000 08:03 21332077
> /lib64/libcrypto.so.0.9.8b
> 80566ae000-80566b0000 ---p 001ae000 08:03 21332077
> /lib64/libcrypto.so.0.9.8b
> 80566b0000-80566e0000 rw-p 001b0000 08:03 21332077
> /lib64/libcrypto.so.0.9.8b
> 80566e0000-80566e4000 rw-p 80566e0000 00:00 0
> 80566f0000-805670f000 r-xp 00000000 08:03 21332052
> /lib64/libnsl-2.7.so
> 805670f000-805671f000 ---p 0001f000 08:03 21332052
> /lib64/libnsl-2.7.so
> 805671f000-8056720000 r--p 0001f000 08:03 21332052
> /lib64/libnsl-2.7.so
> 8056720000-8056722000 rw-p 00020000 08:03 21332052
> /lib64/libnsl-2.7.so
> 8056722000-8056725000 rw-p 8056722000 00:00 0
> 80681f0000-806838d000 r-xp 00000000 08:03 21332100
> /lib64/libdb-4.6.so
> 806838d000-8068390000 ---p 0019d000 08:03 21332100
> /lib64/libdb-4.6.so
> 8068390000-80683a8000 rw-p 001a0000 08:03 21332100
> /lib64/libdb-4.6.so
> 80683b0000-80683be000 r-xp 00000000 08:03 21331993
> /lib64/libnss_nis-2.7.so
> 80683be000-80683cf000 ---p 0000e000 08:03 21331993
> /lib64/libnss_nis-2.7.so
> 80683cf000-80683d0000 r--p 0000f000 08:03 21331993
> /lib64/libnss_nis-2.7.so
> 80683d0000-80683d1000 rw-p 00010000 08:03 21331993
> /lib64/libnss_nis-2.7.so
> 80683e0000-80683ef000 r-xp 00000000 08:03 21332061
> /lib64/libnss_files-2.7.so
> 80683ef000-80683ff000 ---p 0000f000 08:03 21332061
> /lib64/libnss_files-2.7.so
> 80683ff000-8068400000 r--p 0000f000 08:03 21332061
> /lib64/libnss_files-2.7.so
> 8068400000-8068401000 rw-p 00010000 08:03 21332061
> /lib64/libnss_files-2.7.so
> 8068401000-8068402000 rw-p 8068401000 00:00 0
> 40000000000-40000002000 rw-p 40000000000 00:00 0
> 40000032000-40000038000 rw-p 40000032000 00:00 0
> 40000038000-4000003d000 r-xp 00000000 08:03 21331991
> /lib64/libnss_dns-2.7.so
> 4000003d000-40000057000 ---p 00005000 08:03 21331991
> /lib64/libnss_dns-2.7.so
> 40000057000-40000058000 r--p 0000f000 08:03 21331991
> /lib64/libnss_dns-2.7.so
> 40000058000-40000059000 rw-p 00010000 08:03 21331991
> /lib64/libnss_dns-2.7.so
> fffff98d000-fffff9e5000 rw-p ffffffa8000 00:00 0
> [stack]
> Aborted
>
>
> I narrowed down the problem to the following offending rule:
>
> shellcommands:
> WarewulfServer::
> "/bin/bash -c '/usr/bin/yum -c /tmp/$0/etc/yum.conf
> --installroot /tmp/$0 install ${rpms})' $(ww_image)"
>
> Here ${rpms} is simply a rather long string of RPM names, space
> delimited (i.e. not an iterator). The variable $(ww_image) is
> intended to be an iterator (colon delimited) but currently only has 1
> element, e.g. "f8_ppc". Any help getting to the bottom of this
> problem would be greatly appreciated!
>
> Daryl
>
> P.s. I tried the same cfengine input deck under v 2.1.14 and 2.1.22
> with the same result. I found this URL speaking to the automatic
> buffer overflow checking in newer versions of GCC/glibc:
>
> http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
> _______________________________________________
> Bug-cfengine mailing list
> [email protected]
> https://cfengine.org/mailman/listinfo/bug-cfengine
--
Mark Burgess
Web: http://www.iu.hio.no/~mark
Tlf: +47 22453272
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