From: David Howells <dhowells@redhat.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: dhowells@redhat.com, Colin Ian King <colin.king@canonical.com>,
linux-afs@lists.infradead.org, kernel-janitors@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH][next] afs: fix integer overflow when shifting 1 more than 32 places
Date: Wed, 11 Apr 2018 17:03:48 +0100 [thread overview]
Message-ID: <2495.1523462628@warthog.procyon.org.uk> (raw)
In-Reply-To: <20180411155811.2qznymjhi6zlzgbb@mwanda>
Dan Carpenter <dan.carpenter@oracle.com> wrote:
> Ideally static analyzers should know that nr_slots is 0-9, but right now
> that seems pretty tricky to figure out...
1-9, actually, but, yeah. Maybe the addition of "assertions" that aren't
actually evaluated at runtime?
David
WARNING: multiple messages have this Message-ID (diff)
From: David Howells <dhowells@redhat.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: dhowells@redhat.com, Colin Ian King <colin.king@canonical.com>,
linux-afs@lists.infradead.org, kernel-janitors@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH][next] afs: fix integer overflow when shifting 1 more than 32 places
Date: Wed, 11 Apr 2018 16:03:48 +0000 [thread overview]
Message-ID: <2495.1523462628@warthog.procyon.org.uk> (raw)
In-Reply-To: <20180411155811.2qznymjhi6zlzgbb@mwanda>
Dan Carpenter <dan.carpenter@oracle.com> wrote:
> Ideally static analyzers should know that nr_slots is 0-9, but right now
> that seems pretty tricky to figure out...
1-9, actually, but, yeah. Maybe the addition of "assertions" that aren't
actually evaluated at runtime?
David
next prev parent reply other threads:[~2018-04-11 16:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-11 13:26 [PATCH][next] afs: fix integer overflow when shifting 1 more than 32 places Colin King
2018-04-11 13:26 ` Colin King
2018-04-11 13:39 ` David Howells
2018-04-11 13:39 ` David Howells
2018-04-11 13:42 ` Colin Ian King
2018-04-11 13:42 ` Colin Ian King
2018-04-11 14:10 ` David Howells
2018-04-11 14:10 ` David Howells
2018-04-11 14:17 ` Colin Ian King
2018-04-11 14:17 ` Colin Ian King
2018-04-11 15:58 ` Dan Carpenter
2018-04-11 15:58 ` Dan Carpenter
2018-04-11 16:03 ` David Howells [this message]
2018-04-11 16:03 ` David Howells
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