Re: your mail (fwd)

Wed, 4 Dec 1996 20:35:09 -0800 (PST)

Can some people look over this problem? I have noticed it lots since the
2.0's and 2.1's... The gdb "stuff" from it is...

aurora:~/strobe# gdb strobe
GDB is free software and you are welcome to 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.
GDB 4.16 (i586-unknown-linux), Copyright 1996 Free Software Foundation,
(no debugging symbols found)...
(gdb) run
Starting program: /root/strobe/strobe
strobe (c) 1994 *Proff* All Rights Reserved.

Program received signal SIGSEGV, Segmentation fault.
0x8048ce5 in attempt_clear ()
(gdb) disassemble
[snip snip snip snip snip]
0x8048d4e <attempt_clear+158>: movl $0x9,%ecx
0x8048d53 <attempt_clear+163>: repz movsl %ds:(%esi),%es:(%edi)
0x8048d55 <attempt_clear+165>: leal 0xffffffe4(%ebp),%esp
0x8048d58 <attempt_clear+168>: popl %ebx
0x8048d59 <attempt_clear+169>: popl %esi
0x8048d5a <attempt_clear+170>: popl %edi
0x8048d5b <attempt_clear+171>: movl %ebp,%esp
0x8048d5d <attempt_clear+173>: popl %ebp
0x8048d5e <attempt_clear+174>: ret
0x8048d5f <attempt_clear+175>: nop

etc etc..


---------- Forwarded message ----------
Date: Wed, 4 Dec 1996 21:31:37 -0500 (EST)
From: Gregory Maxwell <>
To: KRSE <>
Cc: Linux Administrative <>
Subject: Re: your mail

On Wed, 4 Dec 1996, KRSE wrote:

> Does anyone know what is the cause of all of these seg faults i've been
> having? When using the program "strobe" (a port scanner) and several
> others, They bomb out right here...
> BTW, I have libc 5.4.13 :) and am using a heavily modified ver of slack
> 3.1
> (this is the last 5 something line output from strace)
> close(4) = 0
> gettimeofday({849751980, 653293}, NULL) = 0
> time(NULL) = 849751980
> time(NULL) = 849751980
> gettimeofday({849751980, 655405}, NULL) = 0
> --- SIGSEGV (Segmentation fault) ---
> +++ killed by SIGSEGV +++

Hey! The same thing happens to me.. I've also got 5.4.13 and a heavily
modified vers of slackware (I think my was orignaly 2 though.. but I've
upgraded EVERYTING)... I'm running 2.1.14.. I posted this same question
to linux-kernel... Didn't get any help though.. Fetchmail does the same
thing to me.. I suspect it might be 2.1.x kernels.. But I'm too lazy to
go back to check... BTW- Fetchmail does not, however, segfault after a

(If you find anything out pass it onto me if you can.. Without fetchmail
working I'm getting like 200messages a day straight into my inbox (I've
gotta use popclient cause fetchmail wont work.. so proc mail wont work))..