* invalid fadvise parameter
@ 2004-02-13 6:35 Ulrich Drepper
0 siblings, 0 replies; only message in thread
From: Ulrich Drepper @ 2004-02-13 6:35 UTC (permalink / raw)
To: Andrew Morton, Linux Kernel
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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;
}
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2004-02-13 6:35 invalid fadvise parameter Ulrich Drepper
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