From: Ulrich Drepper <drepper@redhat.com>
To: Andrew Morton <akpm@osdl.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: invalid fadvise parameter
Date: Thu, 12 Feb 2004 22:35:48 -0800 [thread overview]
Message-ID: <402C7044.6050409@redhat.com> (raw)
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The len parameter for fadvise has a signed type and negative values
passed must be rejected. The attached patch does the job.
- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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--- mm/fadvise.c 2004-01-19 20:09:03.000000000 -0800
+++ mm/fadvise.c-new 2004-02-12 22:33:32.000000000 -0800
@@ -33,7 +33,7 @@
return -EBADF;
mapping = file->f_mapping;
- if (!mapping) {
+ if (!mapping || len < 0) {
ret = -EINVAL;
goto out;
}
reply other threads:[~2004-02-13 6:36 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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