php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Bug #56191 Possible race condition in apc_sma_malloc() ?
Submitted: 2004-09-15 11:23 UTC Modified: 2004-09-16 00:52 UTC
From: swen dot thuemmler at telefonica dot de Assigned: rasmus (profile)
Status: Closed Package: APC (PECL)
PHP Version: Irrelevant OS: Solaris 2.8
Private report: No CVE-ID: None
View Add Comment Developer Edit
Welcome back! If you're the original bug submitter, here's where you can edit the bug or add additional notes.
If this is not your bug, you can add a comment by following this link.
If this is your bug, but you forgot your password, you can retrieve your password here.
Password:
Status:
Package:
Bug Type:
Summary:
From: swen dot thuemmler at telefonica dot de
New email:
PHP Version: OS:

 

 [2004-09-15 11:23 UTC] swen dot thuemmler at telefonica dot de 
Description:
------------
I'm not sure, but shouldnt the UNLOCK come after the assignment?

[...]
        if (off != -1) {
            void* p = (void *)(((char *)(sma_shmaddrs[i])) + off);
--->            UNLOCK(sma_lock);
--->            sma_lastseg = i;
            return p;
        }
[...]


--Swen

Patches

Add a Patch

Pull Requests

Add a Pull Request

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2004-09-16 00:52 UTC] rasmus@php.net 
I suppose there could be a race in a multithreaded environment.  I have flipped those around.
 
PHP Copyright © 2001-2024 The PHP Group
All rights reserved. 		Last updated: Fri Apr 26 18:01:31 2024 UTC