On Fri, Jul 30, 2004 at 10:24:50AM +0100, Ollie Cook wrote:
> I have recompiled with debugging symbols, so I will be able to provide a more
> comprehensive backtrace the next time this occurs.
With debugging symbols the backtrace is:
(gdb) c
Continuing.
[Switching to process 33496, thread 24]
Program received signal SIGSEGV, Segmentation fault.
0x2813e6bf in _flockfile_debug () from /usr/lib/libc_r.so.4
(gdb) bt
#0 0x2813e6bf in _flockfile_debug () from /usr/lib/libc_r.so.4
#1 0x2813e856 in flockfile () from /usr/lib/libc_r.so.4
#2 0x2815778f in fgets () from /usr/lib/libc_r.so.4
#3 0x2814f0ae in gethostent () from /usr/lib/libc_r.so.4
#4 0x2814f2a6 in _gethostbyhtname () from /usr/lib/libc_r.so.4
#5 0x2814ebd0 in gethostbyname2 () from /usr/lib/libc_r.so.4
#6 0x2814eb61 in gethostbyname () from /usr/lib/libc_r.so.4
#7 0x804ffda in scanstream (odesc=16, scanned=0x0, root=0x8084800,
limits=0xbfbffa20, options=27, copt=0x80564c0) at scanner.c:240
#8 0x804dfce in command (desc=16, root=0x8084800, limits=0xbfbffa20,
options=27, copt=0x80564c0) at session.c:125
#9 0x804e854 in scanner_thread (arg=0xc608ca0) at server-th.c:74
#10 0x804e64d in thrmgr_worker (arg=0x955ee00) at thrmgr.c:199
#11 0x280ff240 in _thread_start () from /usr/lib/libc_r.so.4
#12 0xbfa10ffc in ?? ()
#13 0x281255de in accept () from /usr/lib/libc_r.so.4
#14 0x804f3b8 in acceptloop_th (socketd=4, root=0x8084800, copt=0x80564c0)
at server-th.c:413
#15 0x804d7bc in tcpserver (opt=0x805a040, copt=0x80564c0, root=0x8084800)
at tcpserver.c:112
#16 0x804d319 in clamd (opt=0x805a040) at clamd.c:285
#17 0x804c478 in main (argc=2, argv=0xbfbffb94) at options.c:114
(gdb) fr 7
#7 0x804ffda in scanstream (odesc=16, scanned=0x0, root=0x8084800,
limits=0xbfbffa20, options=27, copt=0x80564c0) at scanner.c:240
240 if ((he = gethostbyname(cpt->strarg)) == 0) {
(gdb) p cpt->strarg
$7 = 0x805a0c0 "80.168.70.183"
Since the call to gethostbyname has a valid argument, I'm guessing there's
probably some memory corruption causing this crash.
Cheers,
Ollie
--
Oliver Cook Systems Administrator, Claranet UK
[EMAIL PROTECTED] +44 20 7903 3065
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