Re: latest cvs source segvs on linux 2.2.12-20 (egcs-2.91.66)

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Don't know how to explain it but I did a make distclean with the latest from
cvs and now the segv's went away. Don't have time to figure it out but my
guess is that there was some stack corruption...??

-GSM

Michael Slifcak wrote:

> Are you loading non-English NLS (nat'l language support)
> or setting the LANG environment ?  Is your compiler doing this ?
>
> Which platform/OS/Version compiler/version are you using ?
>
> "G. S. Marzot" wrote:
> >
> > I am getting all tests failing and segv just starting up any of the
> > apps. It looks like it croaks in MIB parsing but in a very improbable
> > place so I am guessing stack corruption. electric fence is running but I
> > guess this does not catch all stack overwrites. I don't suppose this is
> > happening for anyone but me otherwise there would be more hew-and-cry.
> > perhaps my environement is hosed but nothing showed up like this before
> >
> > [ gmarzot@donzi net-snmp]$ apps/snmpwalk localhost public .1
> >
> >   Electric Fence 2.0.5 Copyright (C) 1987-1998 Bruce Perens.
> > Segmentation fault (core dumped)
> >
> > [gmarzot@donzi net-snmp]$ gdb -c core snmpwalk
> > 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-redhat-linux"...
> > Core was generated by `apps/snmpwalk -Dall localhost public .1'.
> > Program terminated with signal 11, Segmentation fault.
> > Reading symbols from /lib/libdl.so.2...done.
> > Reading symbols from /usr/lib/librpm.so.0...done.
> > Reading symbols from /lib/libdb.so.2...done.
> > Reading symbols from /usr/lib/libz.so.1...done.
> > Reading symbols from /lib/libm.so.6...done.
> > Reading symbols from /lib/libc.so.6...done.
> > Reading symbols from /lib/ld-linux.so.2...done.
> > Reading symbols from /usr/lib/libbz2.so.0...done.
> > Reading symbols from /lib/libnss_files.so.2...done.
> > Reading symbols from /usr/lib/gconv/ISO8859-1.so...done.
> > #0  gconv (step=0x410d3fc8, data=0xbfffde7c, inbuf=0xbfffde70,
> >     inbufend=0x40176d24 "", written=0xbfffde74, do_flush=0)
> >     at ../iconv/skeleton.c:204
> > 204 ../iconv/skeleton.c: No such file or directory.
> > (gdb) where
> > #0  gconv (step=0x410d3fc8, data=0xbfffde7c, inbuf=0xbfffde70,
> >     inbufend=0x40176d24 "", written=0xbfffde74, do_flush=0)
> >     at ../iconv/skeleton.c:204
> > #1  0x400f893b in __mbrtowc (pwc=0xbfffdf64, s=0x40176d23 ".", n=1,
> >     ps=0xbfffdf68) at mbrtowc.c:67
> > #2  0x400e30f6 in _IO_vfscanf (s=0xbfffdfd4,
> >     format=0x80957d1 "%2d%2d%2d%2d%2d", argptr=0xbfffe09c, errp=0x0)
> >     at vfscanf.c:254
> > #3  0x400e896e in _IO_vsscanf (string=0xbffff0f0 "9411010000Z",
> >     format=0x80957d1 "%2d%2d%2d%2d%2d", args=0xbfffe09c) at
> > iovsscanf.c:44
> > #4  0x400e673f in sscanf (s=0xbffff0f0 "9411010000Z",
> >     format=0x80957d1 "%2d%2d%2d%2d%2d") at sscanf.c:38
> > #5  0x8053519 in check_utc (utc=0xbffff0f0 "9411010000Z") at
> > parse.c:2880
> > #6  0x805365b in parse_moduleIdentity (fp=0x40425f50, name=0xbffff1b0
> > "ipMIB")
> >     at parse.c:2925
> > #7  0x8055122 in parse (fp=0x40425f50, root=0x0) at parse.c:3788
> > #8  0x8054279 in read_module_internal (name=0x40421f10 "IP-MIB")
> >     at parse.c:3294
> > #9  0x8054411 in read_module (name=0x40421f10 "IP-MIB") at parse.c:3361
> > #10 0x804cdee in init_mib () at mib.c:1189
> > #11 0x8056f21 in init_snmp (type=0x80992c0 "snmpapp") at snmp_api.c:638
> > #12 0x8067e2a in snmp_parse_args (argc=5, argv=0xbffffcb4,
> > session=0xbffffb9c,
> >     localOpts=0x8092929 "C:", proc=0x804a010 <optProc>)
> > ---Type <return> to continue, or q <return> to quit---
> >     at snmp_parse_args.c:411
> > #13 0x804a0e3 in main (argc=5, argv=0xbffffcb4) at snmpwalk.c:169
> > (
> >
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