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From: "Christopher Li" <sparse@chrisli.org>
To: Randy Dunlap <rdunlap@xenotime.net>
Cc: Pavel Roskin <proski@gnu.org>, linux-sparse@vger.kernel.org
Subject: Re: sparse segfault in kernel -mm tree
Date: Tue, 6 Mar 2007 19:12:53 -0800	[thread overview]
Message-ID: <70318cbf0703061912k73f19092p2f74ab7d4ae80afb@mail.gmail.com> (raw)
In-Reply-To: <20070306190443.b8162bff.rdunlap@xenotime.net>

It seems that you are missing this change:

user:        Christopher Li <sparse@chrisli.org>
date:        Thu Feb 22 18:28:23 2007 -0800
summary:     Fix the segfault when initializer has unknown symbol

diff -r 9c425042a094 -r d22e36f6c600 expand.c
--- a/expand.c  Wed Feb 21 14:05:52 2007 -0800
+++ b/expand.c  Thu Feb 22 18:28:23 2007 -0800
@@ -872,7 +872,7 @@ static void verify_nonoverlapping(struct
        struct expression *b;

        FOR_EACH_PTR(*list, b) {
-               if (a && a->ctype->bit_size && bit_offset(a) == bit_offset(b)) {
+               if (a && a->ctype && a->ctype->bit_size &&
bit_offset(a) == bit_offset(b)) {
                        sparse_error(a->pos, "Initializer entry defined twice");
                        info(b->pos, "  also defined here");
                        return;

Many be the snapshot script need a restart again?

Chris

On 3/6/07, Randy Dunlap <rdunlap@xenotime.net> wrote:
> On Tue, 6 Mar 2007 14:28:24 -0800 Christopher Li wrote:
> 875                     if (a && a->ctype->bit_size && bit_offset(a) == bit_offset(b)) {
> (gdb) bt
> #0  0x000000000040fd63 in expand_expression (expr=<value optimized out>)

  reply	other threads:[~2007-03-07  3:12 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-06  1:53 sparse segfault in kernel -mm tree Randy Dunlap
2007-03-06  2:33 ` Christopher Li
2007-03-06  5:04   ` Randy Dunlap
2007-03-06  5:42     ` Pavel Roskin
2007-03-06  6:40       ` Randy Dunlap
2007-03-06 18:19         ` Pavel Roskin
2007-03-06 20:58           ` Randy Dunlap
2007-03-06 22:28             ` Christopher Li
2007-03-06 23:12               ` Randy Dunlap
2007-03-07  2:43                 ` Morten Welinder
2007-03-07  3:02                   ` Pavel Roskin
2007-03-07  3:04               ` Randy Dunlap
2007-03-07  3:12                 ` Christopher Li [this message]
2007-03-07  3:51                   ` Dave Jones
2007-03-07  4:13                   ` Randy Dunlap
2007-03-07  4:27                     ` Randy Dunlap

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