Hello,
I experienced various instances of segfaults on some cfengine
installations.
Following shows the two cases which I encounter so far:
Compiler: gcc 3.4.4
Version: cfengine 2.2.1
Linux (Distribubtion: AsteriskNow)
CASE 1
(gdb) run -D forceUpdate
Starting program: /usr/local/sbin/cfagent -D forceUpdate
Detaching after fork from child process 4679.
*** glibc detected *** free(): invalid pointer: 0x081772c8 ***
Program received signal SIGABRT, Aborted.
0xb7f7f410 in ?? ()
(gdb) back
#0 0xb7f7f410 in ?? ()
#1 0xbff88560 in ?? ()
#2 0x00000006 in ?? ()
#3 0x00001244 in ?? ()
#4 0xb7c3b275 in raise () from /lib/tls/libc.so.6
#5 0xb7c3ca59 in abort () from /lib/tls/libc.so.6
#6 0xb7c6f19a in __fsetlocking () from /lib/tls/libc.so.6
#7 0xb7c750a7 in malloc_usable_size () from /lib/tls/libc.so.6
#8 0xb7c75abb in free () from /lib/tls/libc.so.6
#9 0xb7c97e08 in closedir () from /lib/tls/libc.so.6
#10 0x0805fe75 in cfclosedir (dirh=0xb7d29e40) at image.c:1086
#11 0x080a162e in RecursiveImage (ip=0x81602f0,
from=0xbff92950 "/mnt/asterisksetup", to=0xbff90950 "/etc/asterisk_bak",
maxrecurse=-99) at expand-image.c:234
#12 0x08052c25 in MakeImages () at do.c:2548
#13 0x0804de24 in DoTree (passes=3, info=0x80a7afa "Main Tree")
at cfagent.c:1328
#14 0x0804ea5f in main (argc=3, argv=0xbff94aa4) at cfagent.c:180
CASE 2
(gdb) run -q -D forceUpdate
Starting program: /usr/local/sbin/cfagent -q -D forceUpdate
Detaching after fork from child process 6206.
Detaching after fork from child process 6207.
Detaching after fork from child process 6208.
Detaching after fork from child process 6209.
Detaching after fork from child process 6210.
Detaching after fork from child process 6211.
Program received signal SIGSEGV, Segmentation fault.
0xb7c0efee in free () from /lib/tls/libc.so.6
(gdb) back
#0 0xb7c0efee in free () from /lib/tls/libc.so.6
#1 0xb7c10701 in malloc () from /lib/tls/libc.so.6
#2 0x0806237d in AppendItem (liststart=0xbfd1b608,
itemstring=0x816d130 "root 362 0.0 0.0 0 0 ?
S< 10:05 0:00 [cifsoplockd]", classes=0x8199b18 "") at item.c:349
#3 0x080624fd in CopyList (dest=0xbfd1b608, source=0x8193030) at item.c:210
#4 0x0805d513 in LoadProcessTable (procdata=0xbfd1b748,
psopts=0x80b15c1 "auxw") at process.c:78
#5 0x0805302d in CheckProcesses () at do.c:2678
#6 0x0804ddc9 in DoTree (passes=3, info=0x80a7afa "Main Tree")
at cfagent.c:1348
#7 0x0804ea5f in main (argc=4, argv=0xbfd1b834) at cfagent.c:180
Thanks for creating the cfengine
Regards,
Bernard Chan.
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