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Message-ID: <1659635174-2376-1-git-send-email-quic_gurus@quicinc.com>
Date: Thu, 4 Aug 2022 10:46:14 -0700
From: Guru Das Srinagesh <quic_gurus@...cinc.com>
To: Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Tom Rix <trix@...hat.com>
CC: Elliot Berman <quic_eberman@...cinc.com>, <llvm@...ts.linux.dev>,
<linux-kernel@...r.kernel.org>,
Guru Das Srinagesh <quic_gurus@...cinc.com>
Subject: [PATCH] scripts/clang-tools: Remove DeprecatedOrUnsafeBufferHandling check
This `clang-analyzer` check flags the use of memset(), suggesting a more
secure version of the API, such as memset_s(), which does not exist in
the kernel:
warning: Call to function 'memset' is insecure as it does not provide
security checks introduced in the C11 standard. Replace with analogous
functions that support length arguments or provides boundary checks such
as 'memset_s' in case of C11
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
Signed-off-by: Guru Das Srinagesh <quic_gurus@...cinc.com>
---
scripts/clang-tools/run-clang-tools.py | 1 +
1 file changed, 1 insertion(+)
diff --git a/scripts/clang-tools/run-clang-tools.py b/scripts/clang-tools/run-clang-tools.py
index f754415a..1337ced 100755
--- a/scripts/clang-tools/run-clang-tools.py
+++ b/scripts/clang-tools/run-clang-tools.py
@@ -51,6 +51,7 @@ def run_analysis(entry):
checks += "linuxkernel-*"
else:
checks += "clang-analyzer-*"
+ checks += ",-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling"
p = subprocess.run(["clang-tidy", "-p", args.path, checks, entry["file"]],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
--
2.7.4
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