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flex: add security patch

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Fixes:
CVE-2016-6354 - buffer overflow in generated code (yy_get_next_buffer).

Patch status: upstream backport.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Gustavo Zacarias 2016-08-09 23:25:01 -03:00 committed by Thomas Petazzoni
parent 033f8a4504
commit 5e8b92cec6
1 changed files with 25 additions and 0 deletions
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25
package/flex/0002-fix-CVE-2016-6354.patch Normal file
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@ -0,0 +1,25 @@
From a5cbe929ac3255d371e698f62dc256afe7006466 Mon Sep 17 00:00:00 2001
From: Will Estes <westes575@gmail.com>
Date: Sat, 27 Feb 2016 11:56:05 -0500
Subject: [PATCH] Fixed incorrect integer type
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
---
Status: upstream
flex.skl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/flex.skl b/src/flex.skl
index 36a526a..64f853d 100644
--- a/flex.skl
+++ b/flex.skl
@@ -1703,7 +1703,7 @@ int yyFlexLexer::yy_get_next_buffer()
else
{
- yy_size_t num_to_read =
+ int num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )