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Message-Id: <20240613023044.45873-8-laoar.shao@gmail.com>
Date: Thu, 13 Jun 2024 10:30:41 +0800
From: Yafang Shao <laoar.shao@...il.com>
To: torvalds@...ux-foundation.org
Cc: ebiederm@...ssion.com,
alexei.starovoitov@...il.com,
rostedt@...dmis.org,
linux-mm@...ck.org,
linux-fsdevel@...r.kernel.org,
linux-trace-kernel@...r.kernel.org,
audit@...r.kernel.org,
linux-security-module@...r.kernel.org,
selinux@...r.kernel.org,
bpf@...r.kernel.org,
netdev@...r.kernel.org,
dri-devel@...ts.freedesktop.org,
Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH v2 07/10] tsacct: Replace strncpy() with __get_task_comm()
Using __get_task_comm() to read the task comm ensures that the name is
always NUL-terminated, regardless of the source string. This approach also
facilitates future extensions to the task comm.
Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
kernel/tsacct.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/tsacct.c b/kernel/tsacct.c
index 4252f0645b9e..6b094d5d9135 100644
--- a/kernel/tsacct.c
+++ b/kernel/tsacct.c
@@ -76,7 +76,7 @@ void bacct_add_tsk(struct user_namespace *user_ns,
stats->ac_minflt = tsk->min_flt;
stats->ac_majflt = tsk->maj_flt;
- strncpy(stats->ac_comm, tsk->comm, sizeof(stats->ac_comm));
+ __get_task_comm(stats->ac_comm, sizeof(stats->ac_comm), tsk);
}
--
2.39.1
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