From d739070b26bdfb63686e5652d0427944f0c48e0e Mon Sep 17 00:00:00 2001
From: Artem Chaikin <chaykin.artem@gmail.com>
Date: Fri, 18 Oct 2024 16:42:21 +0100
Subject: [PATCH] add size_t to reinterpret_cast rule

---
 assets/semgrep_rules/client/reinterpret_cast.cpp  | 2 ++
 assets/semgrep_rules/client/reinterpret_cast.yaml | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/assets/semgrep_rules/client/reinterpret_cast.cpp b/assets/semgrep_rules/client/reinterpret_cast.cpp
index a0a4f47a..78f608d6 100644
--- a/assets/semgrep_rules/client/reinterpret_cast.cpp
+++ b/assets/semgrep_rules/client/reinterpret_cast.cpp
@@ -10,3 +10,5 @@ int rv = PKCS5_PBKDF2_HMAC(mnemonic.data(), mnemonic.length(), reinterpret_cast<
 float* float_data = reinterpret_cast<float*>(const_cast<uint8_t*>(data));
 // ok: reinterpret_cast
 auto orig_fn = reinterpret_cast<GetModuleFileNameExWFunction>(g_originals.functions[GET_MODULE_FILENAME_EX_W_ID]);
+// ruleid: reinterpret_cast
+size_t bytes_read = reinterpret_cast<size_t>(arg0);
diff --git a/assets/semgrep_rules/client/reinterpret_cast.yaml b/assets/semgrep_rules/client/reinterpret_cast.yaml
index aeb8ccbf..6f950c50 100644
--- a/assets/semgrep_rules/client/reinterpret_cast.yaml
+++ b/assets/semgrep_rules/client/reinterpret_cast.yaml
@@ -16,4 +16,4 @@ rules:
       - pattern: reinterpret_cast<$T>($ARG)
       - metavariable-regex:
           metavariable: $T
-          regex: ^(.*int.*|.*double.*|.*float.*|.*char.*)$ # this probably needs to be tweaked
+          regex: ^(.*int.*|.*double.*|.*float.*|.*char.*|.*size_t.*)$ # this probably needs to be tweaked