From nobody@FreeBSD.ORG Tue Nov  2 02:34:14 1999
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Date: Tue,  2 Nov 1999 02:34:14 -0800 (PST)
From: Higashi.Hiroyuki@ss.anritsu.co.jp
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To: freebsd-gnats-submit@freebsd.org
Subject: limit coredumpsize 0, but dumps Zero Size Core File
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>Number:         14660
>Category:       kern
>Synopsis:       limit coredumpsize 0, but dumps Zero Size Core File
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Nov  2 02:40:00 PST 1999
>Closed-Date:    Tue Nov 2 02:48:28 PST 1999
>Last-Modified:  Tue Nov  2 02:48:52 PST 1999
>Originator:     HIGASHI Hiroyuki
>Release:        FreeBSD-3.3R i386
>Organization:
ANRITSU CORPORATION
>Environment:
3.3-RELEASE FreeBSD 3.3-RELEASE
>Description:
I set "limit coredumpsize 0".
But kernel dumps "Zero Size Core File".
>How-To-Repeat:
Test Program source is below.(This file name is "foo.c".)
-----
main(void)
{
    int   a;
     a  = 1/0;
}
-----
Compile this source program.
And execute it.
-----
% limit coredumpsize 0
% cc foo.c
% a.out
Floating point exception
% ls -l a.out*
-rwxrwxr-x  1 higashi  TR  3093 Nov  2 19:13 a.out
-rw-------  1 higashi  TR     0 Nov  2 19:13 a.out.core
-----
Other version of FreeBSD DOSE NOT DUMP core file.
>Fix:
at kern_sig.c of coredump()
before call "p->p_sysent->sv_coredump(p, vp, limit)"
check "limit" size
Ex.
-----
1393         error = (limit & p->p_sysent->sv_coredump) ?
1394           p->p_sysent->sv_coredump(p, vp, limit) :
1395           ENOSYS;
-----


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: sheldonh 
State-Changed-When: Tue Nov 2 02:48:28 PST 1999 
State-Changed-Why:  
Duplicate of PR 14540. 
>Unformatted:
