Re: kern/40651: kmem_alloc() returns misaligned pointers

[Andrew Doran <ad%netbsd.org@localhost>]

The following reply was made to PR kern/40651; it has been noted by GNATS.

From: Andrew Doran <ad%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: martin%NetBSD.org@localhost
Subject: Re: kern/40651: kmem_alloc() returns misaligned pointers
Date: Tue, 17 Feb 2009 22:56:58 +0000

 On Mon, Feb 16, 2009 at 01:55:03PM +0000, Martin Husemann wrote:
 
 >  kmem_poison_check(0xf41cb600, 0xb8, 0x0, 0x0, 0x0, 0xa) at 
 > netbsd:kmem_alloc+0xb4                                                       
 >                        
 >  kmem_alloc(0xf41cb600, 0x1, 0xf03e1344, 0x0, 0x0, 0xa) at 
 > netbsd:kmem_zalloc+0x8
 
 In subr_kmem.c:
 
     252        kmem_poison_fill(p, size);
     253        size += REDZONE_SIZE;
 
 It should be:
 
        size += REDZONE_SIZE;
        kmem_poison_fill(p, size);
 
 I don't forsee any problems with the change but also don't have the ability
 to test it right now.
 
 Andrew