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Fri, 04 Apr 2025 11:58:22 -0700 (PDT) Received: from fedora.nitk.ac.in ([2a09:bac1:36a0:810::176:64]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-739d97d17f8sm3879563b3a.10.2025.04.04.11.58.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Apr 2025 11:58:22 -0700 (PDT) From: Devaansh Kumar To: rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com Cc: Devaansh Kumar , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: [PATCH v4] tracing: Replace deprecated strncpy() with strscpy() for stack_trace_filter_buf Date: Sat, 5 Apr 2025 00:28:15 +0530 Message-ID: <20250404185816.2990559-1-devaanshk840@gmail.com> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit strncpy() is deprecated for NUL-terminated destination buffers and must be replaced by strscpy(). See issue: https://github.com/KSPP/linux/issues/90 Signed-off-by: Devaansh Kumar --- kernel/trace/trace_stack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 5a48dba912ea..617e59a234da 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -544,7 +544,7 @@ static __init int enable_stacktrace(char *str) int len; if ((len = str_has_prefix(str, "_filter="))) - strncpy(stack_trace_filter_buf, str + len, COMMAND_LINE_SIZE); + strscpy(stack_trace_filter_buf, str + len, sizeof(stack_trace_filter_buf)); stack_tracer_enabled = 1; return 1; -- 2.47.1