🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: gnu.gdb.bug
Article #257

add_file_command() passes invalid address to free()

#257
From: W. Wilson Ho
Date: Fri, 15 Sep 1989 04:18
32 lines
1509 bytes
gdb version 3.2, running under Sun 3 Unix 4.3 release 3.4

In file dbxread.c, function add_file_command() :

> add_file_command (arg_string)
>      char* arg_string;
> {
> 	[ ...omitted... ]
> 
>   name = arg_string;
> 
> 	[ ...omitted...]
> 
>   make_cleanup (free_current_contents, &name);

	Variable "name" was first assigned the value of the argument
"arg_string" and then its value is passed to free_current_contents(),
thus creating an error for passing invalid address to free().  I think
either a savestring() should be called or the call to make_cleanup()
should be removed.

	Thanks for your attention!

Wilson Ho
-------------------------------------------------------------------------------
  W. Wilson Ho		        |  INTERNET:  how@ivy.ucdavis.edu
  Division of Computer Science	|  UUCP:      ...!ucbvax!ucdavis!ivy!how
  EECS Department		|  BITNET:    wwho@ucdavis.bitnet
  University of California	|  
  Davis, CA 95616		|  Phone:     (916)752-7109
-------------------------------------------------------------------------------
Technical Details
Message-ID: <8909150418.AA25742@ivy.ucdavis.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!bionet!apple!agate!ucbvax!tut.cis.ohio-state.edu!IVY.UCDAVIS.EDU!how

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!bionet!apple!agate!ucbvax!tut.cis.ohio-state.edu!IVY.UCDAVIS.EDU!how
From: how@IVY.UCDAVIS.EDU (W. Wilson Ho)
Newsgroups: gnu.gdb.bug
Subject: add_file_command() passes invalid address to free()
Message-ID: <8909150418.AA25742@ivy.ucdavis.edu>
Date: 15 Sep 89 04:18:20 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: GNUs Not Usenet
Lines: 32