From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DC1128373 for ; Wed, 29 Jul 2026 00:05:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785283526; cv=none; b=XTaPSwjrQkEYEaJmQ/xUZXnYwDstlUWCAWIW4x4qjLwEbqIet7vpYcq529CkXt8xI15FgJe8pyg14Ld09pemHlUM9gEP5cpKgnfLIczh38rYZGGmxDtNUa5yHefS2uJlUcVztXSrvvKsojoXijX95uYj84KhS1yaLP4MFFhu/4Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785283526; c=relaxed/simple; bh=iSIegIUlHJ/oCK9S7pKHi6CWnq8gw3gNmuEW5CvqQ9A=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=VxCg+ceTOUIK7vkwfk4FhYyhXf58lsSx611UskCHCC2miTpRSj3qutpA07uimei1X4wp5F3ROhLlguSMIOdmtCGwvkztybbZVDgb+Jyw2nJulOs3qzeEWFh1XBupe8gXhYq25vdBhyeT8EVK/j7m8IOXrHzmPmzmkAggoV0oxo4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZVu+LkUN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZVu+LkUN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02E531F01559; Wed, 29 Jul 2026 00:05:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785283523; bh=J54NxGYKDypDxEVK6FfCq8tlOau9Vx0SeFB9UsQt4HM=; h=Date:From:To:Cc:Subject:References; b=ZVu+LkUNhbuGuRc/Afx5RfYJT+0aJtYbp2p0Z5DPROKRjwhKcgYrBJTiYsj+iV9iV HgTMSAAtZhJHnkvny8TlzvoixFl4kMU06RHMwcwWeUjBVUeciOmNFNk5nbZXktObyw hKWmzb7yKZamaE2RgTM2yCy3HXL16oQtR1RODHw27IfYXUBvH0XMW8aVrMUbGj/XJ5 BnJsZxptyQdMasWSFymoNJJhQ3H2EPYJJsGOlfocKen/li2q9a+OTymhiLhwYep2wq 5qZD6ZL1oBbhT9nIPAklY3AiFCoj9I5wgSlHrqZ30fpfSdL4fxLwpj0r0FR1/YA1vx W397E4MKDvUJw== Received: from rostedt by gandalf with local (Exim 4.99.4) (envelope-from ) id 1woro5-00000006UhB-2cFO; Tue, 28 Jul 2026 20:05:57 -0400 Message-ID: <20260729000557.500865716@kernel.org> User-Agent: quilt/0.69 Date: Tue, 28 Jul 2026 20:05:38 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Po-Sheng Lin Subject: [for-next][PATCH 15/16] tracing: Use strscpy() instead of strcpy() in trace_sched_switch References: <20260729000523.093060274@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 From: Po-Sheng Lin Replace strcpy() with strscpy() in __trace_find_cmdline() for consistency with the existing strscpy() call in the same function, and to avoid potential buffer overflow as flagged by the Kernel Self Protection Project. Link: https://patch.msgid.link/20260705173648.5418-1-posheng.lin.tw@gmail.com Signed-off-by: Po-Sheng Lin Signed-off-by: Steven Rostedt --- kernel/trace/trace_sched_switch.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index e9f0ff962660..1bd351c1fbfb 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -286,12 +286,12 @@ static void __trace_find_cmdline(int pid, char comm[]) int tpid; if (!pid) { - strcpy(comm, ""); + strscpy(comm, "", TASK_COMM_LEN); return; } if (WARN_ON_ONCE(pid < 0)) { - strcpy(comm, ""); + strscpy(comm, "", TASK_COMM_LEN); return; } @@ -304,7 +304,7 @@ static void __trace_find_cmdline(int pid, char comm[]) return; } } - strcpy(comm, "<...>"); + strscpy(comm, "<...>", TASK_COMM_LEN); } void trace_find_cmdline(int pid, char comm[]) -- 2.53.0