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Date: Mon, 08 Apr 2013 11:27:08 +0800 From: Chen Gang <gang.chen@...anux.com> To: "Eric W. Biederman" <ebiederm@...ssion.com>, Frederic Weisbecker <fweisbec@...il.com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: [PATCH] kernel: tsacct: strncpy, always be sure of NUL terminated. for NUL terminated string, always set '\0' at the end. Signed-off-by: Chen Gang <gang.chen@...anux.com> --- kernel/tsacct.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/kernel/tsacct.c b/kernel/tsacct.c index a1dd9a1..01bcc4e 100644 --- a/kernel/tsacct.c +++ b/kernel/tsacct.c @@ -78,7 +78,8 @@ 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)); + strncpy(stats->ac_comm, tsk->comm, sizeof(stats->ac_comm) - 1); + stats->ac_comm[sizeof(stats->ac_comm) - 1] = '\0'; } -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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