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From: bridean@ureach.com
To: gcc-gnats@gcc.gnu.org
Subject: c/8411: Segmentation fault error in malloc
Date: Thu, 31 Oct 2002 02:16:00 -0000	[thread overview]
Message-ID: <20021031101027.8161.qmail@sources.redhat.com> (raw)


>Number:         8411
>Category:       c
>Synopsis:       Segmentation fault error in malloc
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Oct 31 02:16:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Brian M. Dean
>Release:        unknown-1.0
>Organization:
>Environment:
Red Hat 8.0  Gnu compiler 3.2
>Description:
When the following program is compiled with -O3 optimization
either
int CheckRepeats[MaxRepSize * sizeof(int)]
or
CheckRepeats = (int *) malloc(MaxRepSize * sizeof(int))
Will return a segmentation fault.

If the program is compiled without optimization, it will execute normally.
>How-To-Repeat:
Do the following compile
gcc -O3 -o GetComplete GetComplete3.c
Then run it as follows
./GetComplete 3 -1000 1000
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="GetComplete3.c"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="GetComplete3.c"

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             reply	other threads:[~2002-10-31 10:16 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-31  2:16 bridean [this message]
2002-10-31 14:34 jbuck
2002-10-31 14:36 Joe Buck
2003-02-23 21:06 neroden

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