From: Kalle Valo <kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: Elena Reshetova
<elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-hams-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-ppp-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ganeshgr-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org,
nbd-p3rKhJxN3npAfugRpC6u6w@public.gmane.org,
blogic-p3rKhJxN3npAfugRpC6u6w@public.gmane.org,
matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
saeedm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
ajk-iz34hMvxm2Hmj42eshorlhS11BummzK+@public.gmane.org,
paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org, j@w1.fi,
peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
Hans Liljestrand
<ishkamiel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
David Windsor <dwindsor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt from atomic_t to refcount_t
Date: Mon, 03 Apr 2017 14:38:49 +0300 [thread overview]
Message-ID: <874ly5oh4m.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1490691403-4016-16-git-send-email-elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> (Elena Reshetova's message of "Tue, 28 Mar 2017 11:56:42 +0300")
Elena Reshetova <elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> writes:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Signed-off-by: Elena Reshetova <elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Hans Liljestrand <ishkamiel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> Signed-off-by: David Windsor <dwindsor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> drivers/net/wireless/intersil/hostap/hostap_hw.c | 12 ++++++------
> drivers/net/wireless/intersil/hostap/hostap_wlan.h | 3 ++-
> 2 files changed, 8 insertions(+), 7 deletions(-)
The prefix should be "hostap:", I'll fix that.
--
Kalle Valo
WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@codeaurora.org>
To: Elena Reshetova
<elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-hams-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-ppp-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ganeshgr-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org,
nbd-p3rKhJxN3npAfugRpC6u6w@public.gmane.org,
blogic-p3rKhJxN3npAfugRpC6u6w@public.gmane.org,
matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
saeedm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
ajk-iz34hMvxm2Hmj42eshorlhS11BummzK+@public.gmane.org,
paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org, j@w1.fi,
peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
Hans Liljestrand
<ishkamiel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
David Windsor <dwindsor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt from atomic_t to refcount_
Date: Mon, 03 Apr 2017 11:38:49 +0000 [thread overview]
Message-ID: <874ly5oh4m.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1490691403-4016-16-git-send-email-elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> (Elena Reshetova's message of "Tue, 28 Mar 2017 11:56:42 +0300")
Elena Reshetova <elena.reshetova@intel.com> writes:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: David Windsor <dwindsor@gmail.com>
> ---
> drivers/net/wireless/intersil/hostap/hostap_hw.c | 12 ++++++------
> drivers/net/wireless/intersil/hostap/hostap_wlan.h | 3 ++-
> 2 files changed, 8 insertions(+), 7 deletions(-)
The prefix should be "hostap:", I'll fix that.
--
Kalle Valo
WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@codeaurora.org>
To: Elena Reshetova <elena.reshetova@intel.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-rdma@vger.kernel.org,
linux-hams@vger.kernel.org, linux-ppp@vger.kernel.org,
linux-wireless@vger.kernel.org, ganeshgr@chelsio.com,
nbd@openwrt.org, blogic@openwrt.org, matthias.bgg@gmail.com,
yishaih@mellanox.com, saeedm@mellanox.com, matanb@mellanox.com,
leonro@mellanox.com, ajk@comnets.uni-bremen.de, paulus@samba.org,
j@w1.fi, peterz@infradead.org, keescook@chromium.org,
gregkh@linuxfoundation.org,
Hans Liljestrand <ishkamiel@gmail.com>,
David Windsor <dwindsor@gmail.com>
Subject: Re: [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt from atomic_t to refcount_t
Date: Mon, 03 Apr 2017 14:38:49 +0300 [thread overview]
Message-ID: <874ly5oh4m.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1490691403-4016-16-git-send-email-elena.reshetova@intel.com> (Elena Reshetova's message of "Tue, 28 Mar 2017 11:56:42 +0300")
Elena Reshetova <elena.reshetova@intel.com> writes:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: David Windsor <dwindsor@gmail.com>
> ---
> drivers/net/wireless/intersil/hostap/hostap_hw.c | 12 ++++++------
> drivers/net/wireless/intersil/hostap/hostap_wlan.h | 3 ++-
> 2 files changed, 8 insertions(+), 7 deletions(-)
The prefix should be "hostap:", I'll fix that.
--
Kalle Valo
WARNING: multiple messages have this Message-ID (diff)
From: kvalo@codeaurora.org (Kalle Valo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt from atomic_t to refcount_t
Date: Mon, 03 Apr 2017 14:38:49 +0300 [thread overview]
Message-ID: <874ly5oh4m.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1490691403-4016-16-git-send-email-elena.reshetova@intel.com> (Elena Reshetova's message of "Tue, 28 Mar 2017 11:56:42 +0300")
Elena Reshetova <elena.reshetova@intel.com> writes:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: David Windsor <dwindsor@gmail.com>
> ---
> drivers/net/wireless/intersil/hostap/hostap_hw.c | 12 ++++++------
> drivers/net/wireless/intersil/hostap/hostap_wlan.h | 3 ++-
> 2 files changed, 8 insertions(+), 7 deletions(-)
The prefix should be "hostap:", I'll fix that.
--
Kalle Valo
next prev parent reply other threads:[~2017-04-03 11:38 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-28 8:56 [PATCH 00/16] Networking drivers refcount conversions Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 01/16] drivers, net, ethernet: convert clip_entry.refcnt from atomic_t to refcount_t Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 02/16] drivers, net, ethernet: convert mtk_eth.dma_refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 03/16] drivers, net, mlx4: convert mlx4_cq.refcount " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 04/16] drivers, net, mlx4: convert mlx4_qp.refcount " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 05/16] drivers, net, mlx4: convert mlx4_srq.refcount " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 06/16] drivers, net, mlx5: convert mlx5_cq.refcount " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 9:33 ` David Laight
2017-03-28 9:33 ` David Laight
2017-03-28 9:33 ` David Laight
2017-03-28 9:33 ` David Laight
2017-03-28 9:33 ` David Laight
2017-03-28 14:00 ` Reshetova, Elena
2017-03-28 14:00 ` Reshetova, Elena
2017-03-28 14:00 ` Reshetova, Elena
2017-03-28 14:00 ` Reshetova, Elena
[not found] ` <1490691403-4016-1-git-send-email-elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-03-28 8:56 ` [PATCH 07/16] drivers, net, mlx5: convert fs_node.refcount " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 08/16] drivers, net, hamradio: convert sixpack.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 09/16] drivers, net: convert masces_rx_sa.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 10/16] drivers, net: convert masces_rx_sc.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 11/16] drivers, net: convert masces_tx_sa.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 12/16] drivers, net, ppp: convert asyncppp.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 13/16] drivers, net, ppp: convert ppp_file.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 14/16] drivers, net, ppp: convert syncppp.refcnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-05-22 15:24 ` [15/16] hostap: " Kalle Valo
2017-05-22 15:24 ` Kalle Valo
2017-05-22 15:24 ` Kalle Valo
[not found] ` <1490691403-4016-16-git-send-email-elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-04-03 11:38 ` Kalle Valo [this message]
2017-04-03 11:38 ` [PATCH 15/16] drivers, net, intersil: " Kalle Valo
2017-04-03 11:38 ` Kalle Valo
2017-04-03 11:38 ` [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt from atomic_t to refcount_ Kalle Valo
2017-05-22 15:24 ` [15/16] hostap: convert hostap_cmd_queue.usecnt from atomic_t to refcount_t Kalle Valo
2017-05-22 15:24 ` Kalle Valo
2017-05-22 15:24 ` Kalle Valo
2017-05-22 15:24 ` Kalle Valo
2017-03-28 8:56 ` [PATCH 16/16] drivers, net, intersil: convert request_context.refcount " Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-03-28 8:56 ` Elena Reshetova
2017-04-03 11:41 ` Kalle Valo
2017-04-03 11:41 ` Kalle Valo
2017-04-03 11:41 ` [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount Kalle Valo
2017-04-04 10:07 ` [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount_t Reshetova, Elena
2017-04-04 10:07 ` Reshetova, Elena
2017-04-04 10:07 ` Reshetova, Elena
2017-04-04 10:07 ` Reshetova, Elena
2017-04-04 10:07 ` [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount Reshetova, Elena
2017-04-05 10:33 ` [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount_t Kalle Valo
2017-04-05 10:33 ` Kalle Valo
2017-04-05 10:33 ` Kalle Valo
2017-04-05 10:33 ` Kalle Valo
2017-04-05 10:33 ` [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount Kalle Valo
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