Re: [squid-users] segfault with freebsd 4.4

For a start upgrade to 2.4.STABLE2, or recompile your Squid without -O2

The GCC-2.95.* family of compilers are buggy in -O2, and 2.4.STABLE1 did
not know about 2.95.3. (only detects 2.95.1 and 2.95.2 as buggy)

Regards
Henrik Nordström
Squid Hacker

Miklos Magyari wrote:
>
> hi,
>
> I've compiled squid (2.4stable1) on a new FreeBSD 4.4 box (I copied the
> config file from a production fbsd 4.2). When it receives a request, it
> segfaults immediately. Here is a quick backtrace with gdb.
> Can someone give me a pointer what to try next? Should I report it to
> squid-dev?
>
> thanks,
> Miki
>
> GNU gdb 4.18
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for
> details.
> This GDB was configured as "i386-unknown-freebsd"...
> (gdb) set args -NCd1
> (gdb) run
> Starting program: /tmp/squid-2.4.STABLE1/src/squid -NCd1
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x2816afd4 in strdup () from /usr/lib/libc.so.4
> (gdb) backtrace
> #0 0x2816afd4 in strdup () from /usr/lib/libc.so.4
> #1 0x8097be0 in rfc1035NamePack (buf=0x855e80c "", sz=500, name=0x0) at
> rfc1035.c:181
> #2 0x8097cae in rfc1035QuestionPack (buf=0x855e80c "", sz=500,
> name=0x0, type=1, class=1) at
> rfc1035.c:209
> #3 0x809841b in rfc1035BuildAQuery (hostname=0x859c620
> "inside.ericsson.se", buf=0x855e800 "",
> szp=0x855ea00) at rfc1035.c:499
> #4 0x8061df6 in idnsALookup (name=0x859c620 "inside.ericsson.se",
> callback=0x80774ac
> <ipcacheHandleReply>, data=0x8575a30) at dns_internal.c:505
> #5 0x8077743 in ipcache_nbgethostbyname (name=0x855f888
> "inside.ericsson.se", handler=0x805d7c4
> <commConnectDnsHandle>, handlerData=0x85a2100) at ipcache.c:420
> #6 0x805d79f in commConnectStart (fd=17, host=0x855f888
> "inside.ericsson.se", port=80,
> callback=0x8063e7c <fwdConnectDone>, data=0x85a20c0) at comm.c:245
> #7 0x8064424 in fwdConnectStart (data=0x85a20c0) at forward.c:310
> #8 0x806447c in fwdStartComplete (servers=0x8575ff0, data=0x85a20c0) at
> forward.c:320
> #9 0x807fb1e in peerSelectCallback (psstate=0x859f280) at
> peer_select.c:199
> #10 0x807fe6d in peerSelectFoo (ps=0x859f280) at peer_select.c:303
> #11 0x807f9a4 in peerCheckAlwaysDirectDone (answer=1, data=0x859f280) at
> peer_select.c:174
> #12 0x804d939 in aclCheckCallback (checklist=0x857fc00,
> answer=ACCESS_ALLOWED) at acl.c:1734
> #13 0x804d800 in aclCheck (checklist=0x857fc00) at acl.c:1700
> #14 0x804dbde in aclNBCheck (checklist=0x857fc00, callback=0x807f94c
> <peerCheckAlwaysDirectDone>,
> callback_data=0x859f280) at acl.c:1844
> #15 0x807fd36 in peerSelectFoo (ps=0x859f280) at peer_select.c:260
> #16 0x807f8e3 in peerSelect (request=0x855f800, entry=0x85a2040,
> callback=0x806442c
> <fwdStartComplete>, callback_data=0x85a20c0) at peer_select.c:154
> #17 0x8064a8e in fwdStart (fd=16, e=0x85a2040, r=0x855f800) at
> forward.c:523
> #18 0x805b648 in clientProcessMiss (http=0x855e000) at
> client_side.c:2227
> #19 0x805b425 in clientProcessRequest (http=0x855e000) at
> client_side.c:2165
> #20 0x8057b8e in clientCheckNoCacheDone (answer=1, data=0x855e000) at
> client_side.c:340
> #21 0x8057b51 in clientCheckNoCache (http=0x855e000) at
> client_side.c:330
> #22 0x8057aee in clientRedirectDone (data=0x855e000, result=0x0) at
> client_side.c:320
> #23 0x80816f6 in redirectStart (http=0x855e000, handler=0x8057858
> <clientRedirectDone>,
> data=0x855e000) at redirect.c:103
> #24 0x8057744 in clientAccessCheckDone (answer=1, data=0x855e000) at
> client_side.c:232
> #25 0x804d939 in aclCheckCallback (checklist=0x857fb00,
> answer=ACCESS_ALLOWED) at acl.c:1734
> #26 0x804d800 in aclCheck (checklist=0x857fb00) at acl.c:1700
> #27 0x804dbde in aclNBCheck (checklist=0x857fb00, callback=0x805766c
> <clientAccessCheckDone>,
> callback_data=0x855e000) at acl.c:1844
> #28 0x8057591 in clientAccessCheck (data=0x855e000) at client_side.c:179
> #29 0x805c943 in clientReadRequest (fd=16, data=0x857f900) at
> client_side.c:2739
> #30 0x805f70c in comm_poll (msec=1000) at comm_select.c:432
> #31 0x8079598 in main (argc=2, argv=0xbfbffba0) at main.c:720
> #32 0x804a375 in _start ()
> (gdb) quit
> The program is running. Exit anyway? (y or n)
Received on Fri Oct 19 2001 - 03:18:58 MDT