[Forensics-changes] [yara] 24/135: Avoid segfault while scanning some processes in Windows

[Hilko Bengen]

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bengen pushed a commit to annotated tag v3.1.0
in repository yara.

commit 035b2a2df7d1cfabb36adf8bba997b78ff9bd4a2
Author: Victor M. Alvarez <plusvic at gmail.com>
Date:   Thu May 15 10:27:51 2014 +0200

    Avoid segfault while scanning some processes in Windows
---
 libyara/rules.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libyara/rules.c b/libyara/rules.c
index a776503..d83f428 100644
--- a/libyara/rules.c
+++ b/libyara/rules.c
@@ -1154,6 +1154,9 @@ int yr_rules_scan_mem_blocks(
   int tidx = 0;
   int result = ERROR_SUCCESS;
 
+  if (block == NULL)
+    return ERROR_SUCCESS;
+
   context.file_size = block->size;
   context.mem_block = block;
   context.entry_point = UNDEFINED;

-- 
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