bin/120055: [linux] kdump(1) segfaults on freebsd6_mmap syscall

[Jaakko Heinonen]

The following reply was made to PR bin/120055; it has been noted by GNATS.

From: Jaakko Heinonen <jh at saunalahti.fi>
To: bug-followup at FreeBSD.org, patpr at davenulle.org
Cc:  
Subject: Re: bin/120055: [linux] kdump(1) segfaults on freebsd6_mmap syscall
Date: Thu, 31 Jan 2008 14:57:19 +0200

 --6TrnltStXW4iwmi0
 Content-Type: text/plain; charset=us-ascii
 Content-Disposition: inline
 
 This is a duplicate of kern/119564. (You should use devel/linux_kdump
 port for Linux binaries.) However I think that it might be reasonable to
 commit the attached patch to avoid kdump segfaulting on "corrupted"
 dumps.
 
 --6TrnltStXW4iwmi0
 Content-Type: text/x-diff; charset=us-ascii
 Content-Disposition: attachment; filename="kdump_segfault.diff"
 
 Index: kdump.c
 ===================================================================
 RCS file: /home/ncvs/src/usr.bin/kdump/kdump.c,v
 retrieving revision 1.39
 diff -u -r1.39 kdump.c
 --- kdump.c	7 Jan 2008 18:50:25 -0000	1.39
 +++ kdump.c	31 Jan 2008 12:46:35 -0000
 @@ -770,7 +770,7 @@
  				narg--;
  			}
  		}
 -		while (narg) {
 +		while (narg > 0) {
  			print_number(ip,narg,c);
  		}
  		(void)putchar(')');
 
 --6TrnltStXW4iwmi0--