From: rivaldihormat-debug <rivaldihormat@gmail.com>
To: intel-wired-lan@lists.osuosl.org
Cc: linux-kernel@vger.kernel.org, Rifaldi Hormat <rivaldihormat@gmail.com>
Subject: [PATCH] i40e: fix integer overflow in i40e_dbg_command_write()
Date: Sat, 5 Sep 2026 16:31:44 +0000 [thread overview]
Message-ID: <20260905163144.17069-1-rivaldihormat@gmail.com> (raw)
From: Rifaldi Hormat <rivaldihormat@gmail.com>
Signed-off-by: Rifaldi Hormat <rivaldihormat@gmail.com>
---
drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 0b52509cb14c..74e75504fdda 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -722,6 +722,8 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
int cnt;
/* don't allow partial writes */
+ if (count == 0 || count > PAGE_SIZE)
+ return -EINVAL;
if (*ppos != 0)
return 0;
@@ -1605,6 +1607,8 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
int i, cnt;
/* don't allow partial writes */
+ if (count == 0 || count > PAGE_SIZE)
+ return -EINVAL;
if (*ppos != 0)
return 0;
--
2.53.0
next reply other threads:[~2026-09-05 16:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-05 16:31 rivaldihormat-debug [this message]
2026-09-08 14:35 ` [PATCH] i40e: fix integer overflow in i40e_dbg_command_write() Loktionov, Aleksandr
2026-09-08 16:18 ` Rivaldi Hormat
-- strict thread matches above, loose matches on Subject: below --
2026-09-08 15:39 rivaldihormat-debug
2026-10-05 19:39 ` Nowlin, Alexander
2026-09-05 15:31 rivaldihormat-debug
2026-09-04 6:39 rivaldihormat-debug
2026-09-04 6:47 ` Greg Kroah-Hartman
2026-09-04 6:25 rivaldihormat-debug
2026-09-05 14:31 ` Paul Menzel
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