NetBSD Problem Report #22119

Received: (qmail 23485 invoked by uid 605); 11 Jul 2003 08:06:05 -0000
Message-Id: <200307110902.h6B92a400725@kenny.nthcliff.demon.co.uk>
Date: Fri, 11 Jul 2003 10:02:36 +0100 (BST)
From: nick@nthcliff.demon.co.uk
Sender: gnats-bugs-owner@netbsd.org
Reply-To: nick@nthcliff.demon.co.uk
To: gnats-bugs@gnats.netbsd.org
Subject: lint segv on malformed function pointer cast
X-Send-Pr-Version: 3.95

>Number:         22119
>Category:       toolchain
>Synopsis:       lint segv on malformed function pointer cast
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    toolchain-manager
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 11 08:07:00 +0000 2003
>Closed-Date:    Sun Feb 28 23:01:52 +0000 2021
>Last-Modified:  Fri Apr 01 22:30:01 +0000 2022
>Originator:     Nick Hudson
>Release:        NetBSD 1.6.1_STABLE
>Organization:
>Environment:
System: NetBSD kenny 1.6.1_STABLE NetBSD 1.6.1_STABLE (KENNY) #0: Fri May 30 10:12:33 BST 2003 nick@kenny:/home/nick/work/netbsd/netbsd-1-6/src/sys/arch/i386/compile/KENNY i386
Architecture: i386
Machine: i386

Also exists in -current where I originally came across the problem;
>Description:
	As synopsis
>How-To-Repeat:
	Run lint on the following

	void
	func1(void)
	{
		void (*f1)(void);

		/*
	 	* f1 = (void (*)(void))p; is OK
	 	*/
		f1 = (void *()(void))p;
	}
>Fix:
	No idea.
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: bin-bug-people->toolchain-manager
Responsible-Changed-By: jmc@netbsd.org
Responsible-Changed-When: Fri, 28 Jan 2005 05:29:16 +0000
Responsible-Changed-Why:
toolchain issue


From: "Roland Illig" <rillig@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/22119 CVS commit: src
Date: Sun, 28 Feb 2021 22:12:17 +0000

 Module Name:	src
 Committed By:	rillig
 Date:		Sun Feb 28 22:12:17 UTC 2021

 Modified Files:
 	src/distrib/sets/lists/tests: mi
 	src/tests/usr.bin/xlint/lint1: Makefile t_integration.sh
 	src/usr.bin/xlint/lint1: tree.c
 Added Files:
 	src/tests/usr.bin/xlint/lint1: d_pr_22119.c d_pr_22119.exp

 Log Message:
 lint: fix null pointer dereference on parse error

 Fixes PR bin/22119.


 To generate a diff of this commit:
 cvs rdiff -u -r1.1023 -r1.1024 src/distrib/sets/lists/tests/mi
 cvs rdiff -u -r1.33 -r1.34 src/tests/usr.bin/xlint/lint1/Makefile
 cvs rdiff -u -r0 -r1.1 src/tests/usr.bin/xlint/lint1/d_pr_22119.c \
     src/tests/usr.bin/xlint/lint1/d_pr_22119.exp
 cvs rdiff -u -r1.31 -r1.32 src/tests/usr.bin/xlint/lint1/t_integration.sh
 cvs rdiff -u -r1.231 -r1.232 src/usr.bin/xlint/lint1/tree.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

State-Changed-From-To: open->closed
State-Changed-By: rillig@NetBSD.org
State-Changed-When: Sun, 28 Feb 2021 23:01:52 +0000
State-Changed-Why:

Thanks for the PR, lint no longer crashes on your code sample.
The fix will be part of the upcoming NetBSD 10 release.


From: "Roland Illig" <rillig@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/22119 CVS commit: src
Date: Fri, 1 Apr 2022 22:28:21 +0000

 Module Name:	src
 Committed By:	rillig
 Date:		Fri Apr  1 22:28:21 UTC 2022

 Modified Files:
 	src/tests/usr.bin/xlint/lint1: d_pr_22119.c d_pr_22119.exp
 	    decl_direct_abstract.c decl_direct_abstract.exp msg_155.c
 	    msg_155.exp
 	src/usr.bin/xlint/lint1: decl.c tree.c

 Log Message:
 lint: improve determination of abstract typename

 Still not perfect, but at least a step in the right direction.  See
 decl_direct_abstract.c for the missing edge cases.

 See PR#22119.


 To generate a diff of this commit:
 cvs rdiff -u -r1.3 -r1.4 src/tests/usr.bin/xlint/lint1/d_pr_22119.c \
     src/tests/usr.bin/xlint/lint1/decl_direct_abstract.exp
 cvs rdiff -u -r1.4 -r1.5 src/tests/usr.bin/xlint/lint1/d_pr_22119.exp \
     src/tests/usr.bin/xlint/lint1/decl_direct_abstract.c
 cvs rdiff -u -r1.9 -r1.10 src/tests/usr.bin/xlint/lint1/msg_155.c
 cvs rdiff -u -r1.11 -r1.12 src/tests/usr.bin/xlint/lint1/msg_155.exp
 cvs rdiff -u -r1.256 -r1.257 src/usr.bin/xlint/lint1/decl.c
 cvs rdiff -u -r1.412 -r1.413 src/usr.bin/xlint/lint1/tree.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

>Unformatted:

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