Date: Thu, 18 Oct 2001 15:12:14 -0700 (PDT) From: SUZUKI Koichi <koich@cac.co.jp> To: freebsd-gnats-submit@freebsd.org Subject: docs/31365: malloc.3: malloc(3) and calloc(3) don't free memory, do they? Message-ID: <200110182212.f9IMCE694618@freefall.freebsd.org>
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>Number: 31365
>Category: docs
>Synopsis: malloc.3: malloc(3) and calloc(3) don't free memory, do they?
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-doc
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: doc-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Oct 18 15:20:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: SUZUKI Koichi
>Release: FreeBSD 4.4-stable
>Organization:
FreeBSD Japanese Manual Translation Project
>Environment:
>Description:
According to the man page of malloc.3 (rev 1.25.2.12):
---
DIAGNOSTIC MESSAGES
:
The following is a brief description of possible warning messages and
their meanings:
:
pointer to wrong page The pointer that malloc() or calloc() is trying
to free does not reference a possible page.---
This warning message is output by irealloc() and free_pages() in malloc.c, and these two functions are called by realloc(), free() and reallocf().
(I'm looking src/lib/libc/stdlib/malloc.c,v 1.49.2.3
and src/lib/libc/stdlib/reallocf.c,v 1.3)
>How-To-Repeat:
>Fix:
--- malloc.3.org Thu Oct 18 14:09:23 2001
+++ malloc.3 Thu Oct 18 14:19:36 2001
@@ -420,9 +420,10 @@
has been modified.
.It "pointer to wrong page"
The pointer that
-.Fn malloc
+.Fn realloc ,
+.Fn free
or
-.Fn calloc
+.Fn reallocf
is trying to free does not reference a possible page.
.It "recursive call"
A process has attempted to call an allocation function recursively.
>Release-Note:
>Audit-Trail:
>Unformatted:
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