Date: Sat, 14 Sep 2002 14:06:46 +0200 (CEST) From: Martin Blapp <mb@imp.ch> To: <netctar@freebsd.org> Cc: <cvs-committers@freebsd.org>, <cvs-all@freebsd.org> Subject: Re: cvs commit: src/lib/libc/net getaddrinfo.c gethostbydns.c getnetbydns.c name6.c res_query.c res_update.c Message-ID: <20020914135323.I3162-100000@levais.imp.ch>
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Hi,
Almost every program which uses DNS is broken now by these commits. This is
mozilla ...
After restoring the MAXPACKET behaviour as before, everything worked fine.
Unfortunatly I don't have the time to debug this.
The retvals are everywhere bogus ...
Program received signal SIGSEGV, Segmentation fault.
0x2862ec3a in _dns_gethostbyname (rval=0xbfadced0, cb_data=0x0, ap=0xbfadceb4
"@ó{\b\034")
at /usr/src/lib/libc/net/gethostbydns.c:473
(gdb) bt
#0 0x2862ec3a in _dns_gethostbyname (rval=0xbfadced0, cb_data=0x0,
ap=0xbfadceb4 "@ó{\b\034")
at /usr/src/lib/libc/net/gethostbydns.c:473
#1 0x2862d758 in nsdispatch (retval=0xbfadced0, disp_tab=0x286676e0,
database=0x286623a9 "hosts", method=0x286623af "gethostbyname",
defaults=0x286676c4)
at /usr/src/lib/libc/net/nsdispatch.c:244
#2 0x2862cdea in gethostbyname2 (name=0x87bf340 "www.mozilla.org", type=28)
at /usr/src/lib/libc/net/gethostnamadr.c:86
#3 0x2828bd39 in PR_GetIPNodeByName () from /usr/X11R6/lib/mozilla//libnspr4.so
#4 0x288d6b90 in nsDNSLookup::DoSyncLookupInternal() ()
And another place ....
(gdb) frame 0
#0 0x2861ddaa in __res_query (name=0x87b5f80 "www.mozilla.org", class=1,
type=28,
answer=0xbfadca40 "", anslen=1024) at /usr/src/lib/libc/net/res_query.c:111
111 {
(gdb) list
106 res_query(name, class, type, answer, anslen)
107 const char *name; /* domain name */
108 int class, type; /* class and type of query */
109 u_char *answer; /* buffer to put answer */
110 int anslen; /* size of answer buffer */
111 {
112 u_char buf[MAXPACKET];
113 HEADER *hp = (HEADER *) answer;
114 int n;
115
Martin
Martin Blapp, <mb@imp.ch> <mbr@FreeBSD.org>
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