Mark, I attached the gdb backtrace. Let me know if you need anything else.
Thanks! Brandon On Sun, 2007-06-17 at 09:20 +0200, Mark Burgess wrote: > Brandon, > > it would be a great help if you could reproduce this with a backtrace > in gdb. This will make it much easier to find the problem. Thanks > > gdb cfagent > run -qIvK > > (overflow) > > back > > > > Brandon Hutchinson wrote: > > On RHEL 5 systems (i386), placing FriendStatus(0) in "alerts" causes a > > buffer overflow error on cfengine versions 2.2.0 and 2.2.1. > > > > I do not receive this buffer overflow error with cfengine 2.1.22 on RHEL > > 5, nor do I receive it with any version on RHEL 4. > > > > # cfagent -qvIK: > > ... > > > > CheckFriendConnections(0) > > *** buffer overflow detected ***: cfagent terminated > > ======= Backtrace: ========= > > /lib/libc.so.6(__chk_fail+0x41)[0x7ce241] > > /lib/libc.so.6[0x7cdc83] > > /lib/libc.so.6(__snprintf_chk+0x37)[0x7cdb67] > > cfagent[0x8062289] > > cfagent[0x80770ec] > > cfagent[0x807b578] > > cfagent[0x805a5cf] > > cfagent[0x804f057] > > /lib/libc.so.6(__libc_start_main+0xdc)[0x702dec] > > cfagent[0x804acb1] > > ======= Memory map: ======== > > 002c5000-002c9000 r-xp 00000000 68:02 557095 /lib/libnss_dns-2.5.so > > 002c9000-002ca000 r-xp 00003000 68:02 557095 /lib/libnss_dns-2.5.so > > 002ca000-002cb000 rwxp 00004000 68:02 557095 /lib/libnss_dns-2.5.so > > 005da000-005db000 r-xp 005da000 00:00 0 [vdso] > > 006d0000-006e9000 r-xp 00000000 68:02 559290 /lib/ld-2.5.so > > 006e9000-006ea000 r-xp 00018000 68:02 559290 /lib/ld-2.5.so > > 006ea000-006eb000 rwxp 00019000 68:02 559290 /lib/ld-2.5.so > > 006ed000-00824000 r-xp 00000000 68:02 559291 /lib/libc-2.5.so > > 00824000-00826000 r-xp 00137000 68:02 559291 /lib/libc-2.5.so > > 00826000-00827000 rwxp 00139000 68:02 559291 /lib/libc-2.5.so > > 00827000-0082a000 rwxp 00827000 00:00 0 > > 0082c000-0082e000 r-xp 00000000 68:02 559294 /lib/libdl-2.5.so > > 0082e000-0082f000 r-xp 00001000 68:02 559294 /lib/libdl-2.5.so > > 0082f000-00830000 rwxp 00002000 68:02 559294 /lib/libdl-2.5.so > > 00832000-00857000 r-xp 00000000 68:02 559293 /lib/libm-2.5.so > > 00857000-00858000 r-xp 00024000 68:02 559293 /lib/libm-2.5.so > > 00858000-00859000 rwxp 00025000 68:02 559293 /lib/libm-2.5.so > > 0085b000-0086e000 r-xp 00000000 68:02 559300 /lib/libpthread-2.5.so > > 0086e000-0086f000 r-xp 00012000 68:02 559300 /lib/libpthread-2.5.so > > 0086f000-00870000 rwxp 00013000 68:02 559300 /lib/libpthread-2.5.so > > 00870000-00872000 rwxp 00870000 00:00 0 > > 00874000-00886000 r-xp 00000000 68:02 559283 /lib/libnsl-2.5.so > > 00886000-00887000 r-xp 00012000 68:02 559283 /lib/libnsl-2.5.so > > 00887000-00888000 rwxp 00013000 68:02 559283 /lib/libnsl-2.5.so > > 00888000-0088a000 rwxp 00888000 00:00 0 > > 0088c000-00895000 r-xp 00000000 68:02 > > 559319 /lib/libnss_files-2.5.so > > 00895000-00896000 r-xp 00008000 68:02 > > 559319 /lib/libnss_files-2.5.so > > 00896000-00897000 rwxp 00009000 68:02 > > 559319 /lib/libnss_files-2.5.so > > 00899000-008a1000 r-xp 00000000 68:02 559320 /lib/libnss_nis-2.5.so > > 008a1000-008a2000 r-xp 00007000 68:02 559320 /lib/libnss_nis-2.5.so > > 008a2000-008a3000 rwxp 00008000 68:02 559320 /lib/libnss_nis-2.5.so > > 008d5000-008e7000 r-xp 00000000 68:02 759336 /usr/lib/libz.so.1.2.3 > > 008e7000-008e8000 rwxp 00011000 68:02 759336 /usr/lib/libz.so.1.2.3 > > 008ea000-009de000 r-xp 00000000 68:02 559314 /lib/libdb-4.3.so > > 009de000-009e1000 rwxp 000f4000 68:02 559314 /lib/libdb-4.3.so > > 009f0000-009ff000 r-xp 00000000 68:02 559311 /lib/libresolv-2.5.so > > 009ff000-00a00000 r-xp 0000e000 68:02 559311 /lib/libresolv-2.5.so > > 00a00000-00a01000 rwxp 0000f000 68:02 559311 /lib/libresolv-2.5.so > > 00a01000-00a03000 rwxp 00a01000 00:00 0 > > 00a10000-00b2c000 r-xp 00000000 68:02 > > 559309 /lib/libcrypto.so.0.9.8b > > 00b2c000-00b3e000 rwxp 0011c000 68:02 > > 559309 /lib/libcrypto.so.0.9.8b > > 00b3e000-00b42000 rwxp 00b3e000 00:00 0 > > 00b62000-00b6d000 r-xp 00000000 68:02 > > 557074 /lib/libgcc_s-4.1.1-20070105.so > > .1 > > 00b6d000-00b6e000 rwxp 0000a000 68:02 > > 557074 /lib/libgcc_s-4.1.1-20070105.so > > .1 > > 08048000-080ed000 r-xp 00000000 68:02 767492 /usr/sbin/cfagent > > 080ed000-080ef000 rw-p 000a5000 68:02 767492 /usr/sbin/cfagent > > 080ef000-0815b000 rw-p 080ef000 00:00 0 > > 08632000-086c0000 rw-p 08632000 00:00 0 > > b7f20000-b7f23000 rw-p b7f20000 00:00 0 > > b7f28000-b7f2a000 rw-p b7f28000 00:00 0 > > bfd44000-bfd6a000 rw-p bfd44000 00:00 0 [stack] > > Aborted > > > > Please let me know if you would like me to gather additional information > > from the RHEL 5 systems to help troubleshoot the problem. > > > > Best regards, > > > > Brandon Hutchinson > > _______________________________________________ > > Bug-cfengine mailing list > > [email protected] > > https://cfengine.org/mailman/listinfo/bug-cfengine >
CheckFriendConnections(0) *** buffer overflow detected ***: /usr/sbin/cfagent terminated (no debugging symbols found) ======= Backtrace: ========= /lib/libc.so.6(__chk_fail+0x41)[0x7ce241] /lib/libc.so.6[0x7cdc83] /lib/libc.so.6(__snprintf_chk+0x37)[0x7cdb67] /usr/sbin/cfagent[0x8062119] /usr/sbin/cfagent[0x8076fec] /usr/sbin/cfagent[0x807b478] /usr/sbin/cfagent[0x805a45f] /usr/sbin/cfagent[0x804f057] /lib/libc.so.6(__libc_start_main+0xdc)[0x702dec] /usr/sbin/cfagent[0x804acb1] ======= Memory map: ======== 00110000-00114000 r-xp 00000000 68:02 557095 /lib/libnss_dns-2.5.so 00114000-00115000 r-xp 00003000 68:02 557095 /lib/libnss_dns-2.5.so 00115000-00116000 rwxp 00004000 68:02 557095 /lib/libnss_dns-2.5.so 001ee000-001f9000 r-xp 00000000 68:02 557059 /lib/libgcc_s-4.1.1-20070105.so.1 001f9000-001fa000 rwxp 0000a000 68:02 557059 /lib/libgcc_s-4.1.1-20070105.so.1 00225000-00226000 r-xp 00225000 00:00 0 [vdso] 006d0000-006e9000 r-xp 00000000 68:02 559290 /lib/ld-2.5.so 006e9000-006ea000 r-xp 00018000 68:02 559290 /lib/ld-2.5.so 006ea000-006eb000 rwxp 00019000 68:02 559290 /lib/ld-2.5.so 006ed000-00824000 r-xp 00000000 68:02 559291 /lib/libc-2.5.so 00824000-00826000 r-xp 00137000 68:02 559291 /lib/libc-2.5.so 00826000-00827000 rwxp 00139000 68:02 559291 /lib/libc-2.5.so 00827000-0082a000 rwxp 00827000 00:00 0 0082c000-0082e000 r-xp 00000000 68:02 559294 /lib/libdl-2.5.so 0082e000-0082f000 r-xp 00001000 68:02 559294 /lib/libdl-2.5.so 0082f000-00830000 rwxp 00002000 68:02 559294 /lib/libdl-2.5.so 00832000-00857000 r-xp 00000000 68:02 559293 /lib/libm-2.5.so 00857000-00858000 r-xp 00024000 68:02 559293 /lib/libm-2.5.so 00858000-00859000 rwxp 00025000 68:02 559293 /lib/libm-2.5.so 0085b000-0086e000 r-xp 00000000 68:02 559300 /lib/libpthread-2.5.so 0086e000-0086f000 r-xp 00012000 68:02 559300 /lib/libpthread-2.5.so 0086f000-00870000 rwxp 00013000 68:02 559300 /lib/libpthread-2.5.so 00870000-00872000 rwxp 00870000 00:00 0 00874000-00886000 r-xp 00000000 68:02 559283 /lib/libnsl-2.5.so 00886000-00887000 r-xp 00012000 68:02 559283 /lib/libnsl-2.5.so 00887000-00888000 rwxp 00013000 68:02 559283 /lib/libnsl-2.5.so 00888000-0088a000 rwxp 00888000 00:00 0 0088c000-00895000 r-xp 00000000 68:02 559319 /lib/libnss_files-2.5.so 00895000-00896000 r-xp 00008000 68:02 559319 /lib/libnss_files-2.5.so 00896000-00897000 rwxp 00009000 68:02 559319 /lib/libnss_files-2.5.so 00899000-008a1000 r-xp 00000000 68:02 559320 /lib/libnss_nis-2.5.so 008a1000-008a2000 r-xp 00007000 68:02 559320 /lib/libnss_nis-2.5.so 008a2000-008a3000 rwxp 00008000 68:02 559320 /lib/libnss_nis-2.5.so 008d5000-008e7000 r-xp 00000000 68:02 759336 /usr/lib/libz.so.1.2.3 008e7000-008e8000 rwxp 00011000 68:02 759336 /usr/lib/libz.so.1.2.3 008ea000-009de000 r-xp 00000000 68:02 559314 /lib/libdb-4.3.so 009de000-009e1000 rwxp 000f4000 68:02 559314 /lib/libdb-4.3.so 009f0000-009ff000 r-xp 00000000 68:02 559311 /lib/libresolv-2.5.so 009ff000-00a00000 r-xp 0000e000 68:02 559311 /lib/libresolv-2.5.so 00a00000-00a01000 rwxp 0000f000 68:02 559311 /lib/libresolv-2.5.so 00a01000-00a03000 rwxp 00a01000 00:00 0 00a10000-00b2c000 r-xp 00000000 68:02 559309 /lib/libcrypto.so.0.9.8b 00b2c000-00b3e000 rwxp 0011c000 68:02 559309 /lib/libcrypto.so.0.9.8b 00b3e000-00b42000 rwxp 00b3e000 00:00 0 08048000-080ef000 r-xp 00000000 68:02 760385 /usr/sbin/cfagent 080ef000-080f2000 rw-p 000a6000 68:02 760385 /usr/sbin/cfagent 080f2000-0815d000 rw-p 080f2000 00:00 0 088dd000-08969000 rw-p 088dd000 00:00 0 b7f9f000-b7fa2000 rw-p b7f9f000 00:00 0 b7fa7000-b7fa9000 rw-p b7fa7000 00:00 0 bf84e000-bf885000 rw-p bf84e000 00:00 0 [stack] Program received signal SIGABRT, Aborted. [Switching to Thread -1208355136 (LWP 10889)] 0x00225402 in __kernel_vsyscall () (gdb) back #0 0x00225402 in __kernel_vsyscall () #1 0x00715c00 in raise () from /lib/libc.so.6 #2 0x00717451 in abort () from /lib/libc.so.6 #3 0x0074b21b in __libc_message () from /lib/libc.so.6 #4 0x007ce241 in __chk_fail () from /lib/libc.so.6 #5 0x007cdc83 in __vsnprintf_chk () from /lib/libc.so.6 #6 0x007cdb67 in __snprintf_chk () from /lib/libc.so.6 #7 0x08062119 in CheckFriendConnections () #8 0x08076fec in HandleFriendStatus () #9 0x0807b478 in EvaluateFunction () #10 0x0805a45f in DoAlerts () #11 0x0804f057 in main () (gdb) quit The program is running. Exit anyway? (y or n) y
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