Module: xenomai-gch
Branch: for-forge
Commit: a404efaed928d4db5c0b085003556c8e0971d2c7
URL:
http://git.xenomai.org/?p=xenomai-gch.git;a=commit;h=a404efaed928d4db5c0b085003556c8e0971d2c7
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Mon Jul 2 19:55:54 2012 +0200
nucleus/vfile: avoid buffer overflow
---
kernel/cobalt/nucleus/vfile.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/cobalt/nucleus/vfile.c b/kernel/cobalt/nucleus/vfile.c
index a228958..569e8ae 100644
--- a/kernel/cobalt/nucleus/vfile.c
+++ b/kernel/cobalt/nucleus/vfile.c
@@ -805,7 +805,7 @@ ssize_t xnvfile_get_blob(struct xnvfile_input *input,
{
ssize_t nbytes = input->size;
- if (nbytes < size)
+ if (nbytes > size)
nbytes = size;
if (nbytes > 0 && copy_from_user(data, input->u_buf, nbytes))
@@ -898,7 +898,7 @@ ssize_t xnvfile_get_integer(struct xnvfile_input *input,
long *valp)
ssize_t nbytes;
long val;
- nbytes = xnvfile_get_blob(input, buf, sizeof(buf));
+ nbytes = xnvfile_get_blob(input, buf, sizeof(buf) - 1);
if (nbytes < 0)
return nbytes;
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