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[85.87.222.224]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47d193cbe58sm200372525e9.9.2025.12.22.09.42.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Dec 2025 09:42:35 -0800 (PST) From: Jaime Saguillo Revilla To: linux-kernel@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, Jaime Saguillo Revilla Subject: [PATCH] proc: uptime: print 64-bit seconds values Date: Mon, 22 Dec 2025 18:41:41 +0100 Message-ID: <20251222174141.39277-1-jaime.saguillo@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" uptime.tv_sec and idle.tv_sec are time64_t and may exceed unsigned long on 32-bit kernels. Print them using a 64-bit format to avoid truncation in /proc/uptime. Signed-off-by: Jaime Saguillo Revilla --- fs/proc/uptime.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c index b5343d209381..2b83435ad01e 100644 --- a/fs/proc/uptime.c +++ b/fs/proc/uptime.c @@ -30,10 +30,10 @@ static int uptime_proc_show(struct seq_file *m, void *v) =20 idle.tv_sec =3D div_u64_rem(idle_nsec, NSEC_PER_SEC, &rem); idle.tv_nsec =3D rem; - seq_printf(m, "%lu.%02lu %lu.%02lu\n", - (unsigned long) uptime.tv_sec, + seq_printf(m, "%lld.%02lu %lld.%02lu\n", + (long long) uptime.tv_sec, (uptime.tv_nsec / (NSEC_PER_SEC / 100)), - (unsigned long) idle.tv_sec, + (long long) idle.tv_sec, (idle.tv_nsec / (NSEC_PER_SEC / 100))); return 0; } --=20 2.43.0