lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20231205152620.568183-1-pawel.chmielewski@intel.com>
Date: Tue,  5 Dec 2023 16:26:20 +0100
From: Pawel Chmielewski <pawel.chmielewski@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	Ngai-Mint Kwan <ngai-mint.kwan@...el.com>,
	Mateusz Polchlopek <mateusz.polchlopek@...el.com>,
	Pawel Chmielewski <pawel.chmielewski@...el.com>
Subject: [PATCH iwl-next] ice: Do not get coalesce settings while in reset

From: Ngai-Mint Kwan <ngai-mint.kwan@...el.com>

Getting coalesce settings while reset is in progress can cause NULL
pointer deference bug.
If under reset, abort get coalesce for ethtool.

Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@...el.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@...el.com>
Signed-off-by: Pawel Chmielewski <pawel.chmielewski@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_ethtool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index bde9bc74f928..2d565cc484a0 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -3747,6 +3747,9 @@ __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
 	struct ice_netdev_priv *np = netdev_priv(netdev);
 	struct ice_vsi *vsi = np->vsi;
 
+	if (ice_is_reset_in_progress(vsi->back->state))
+		return -EBUSY;
+
 	if (q_num < 0)
 		q_num = 0;
 
-- 
2.37.3


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ