From: Kees Cook <keescook@chromium.org>
To: Kalle Valo <kvalo@kernel.org>
Cc: "Vlastimil Babka" <vbabka@suse.cz>,
"Gregory Greenman" <gregory.greenman@intel.com>,
"Johannes Berg" <johannes.berg@intel.com>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
"Pekka Enberg" <penberg@kernel.org>,
"David Rientjes" <rientjes@google.com>,
"Joonsoo Kim" <iamjoonsoo.kim@lge.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Nick Desaulniers" <ndesaulniers@google.com>,
"Alex Elder" <elder@kernel.org>,
"Josef Bacik" <josef@toxicpanda.com>,
"David Sterba" <dsterba@suse.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Christian König" <christian.koenig@amd.com>,
"Jesse Brandeburg" <jesse.brandeburg@intel.com>,
"Daniel Micay" <danielmicay@gmail.com>,
"Yonghong Song" <yhs@fb.com>, "Marco Elver" <elver@google.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Jacob Shin" <jacob.shin@amd.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-btrfs@vger.kernel.org, linux-media@vger.kernel.org,
dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
linux-fsdevel@vger.kernel.org, intel-wired-lan@lists.osuosl.org,
dev@openvswitch.org, x86@kernel.org, llvm@lists.linux.dev,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH 10/12] iwlwifi: Track scan_cmd allocation size explicitly
Date: Wed, 21 Sep 2022 22:26:27 -0700 [thread overview]
Message-ID: <202209212224.A2F1DB798@keescook> (raw)
In-Reply-To: <87fsgk6nys.fsf@kernel.org>
On Thu, Sep 22, 2022 at 07:18:51AM +0300, Kalle Valo wrote:
> Kees Cook <keescook@chromium.org> writes:
>
> > In preparation for reducing the use of ksize(), explicitly track the
> > size of scan_cmd allocations. This also allows for noticing if the scan
> > size changes unexpectedly. Note that using ksize() was already incorrect
> > here, in the sense that ksize() would not match the actual allocation
> > size, which would trigger future run-time allocation bounds checking.
> > (In other words, memset() may know how large scan_cmd was allocated for,
> > but ksize() will return the upper bounds of the actually allocated memory,
> > causing a run-time warning about an overflow.)
> >
> > Cc: Gregory Greenman <gregory.greenman@intel.com>
> > Cc: Kalle Valo <kvalo@kernel.org>
> > Cc: Johannes Berg <johannes.berg@intel.com>
> > Cc: linux-wireless@vger.kernel.org
> > Cc: netdev@vger.kernel.org
> > Signed-off-by: Kees Cook <keescook@chromium.org>
>
> Via which tree is this iwlwifi patch going? Normally via wireless-next
> or something else?
This doesn't depend on the kmalloc_size_roundup() helper at all, so I
would be happy for it to go via wireless-next if the patch seems
reasonable.
--
Kees Cook
next prev parent reply other threads:[~2022-09-22 5:26 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-22 3:10 [PATCH 00/12] slab: Introduce kmalloc_size_roundup() Kees Cook
2022-09-22 3:10 ` [PATCH 01/12] " Kees Cook
2022-09-22 11:12 ` Hyeonggon Yoo
2022-09-23 1:17 ` Feng Tang
2022-09-23 18:50 ` Kees Cook
2022-09-22 3:10 ` [PATCH 02/12] skbuff: Proactively round up to kmalloc bucket size Kees Cook
2022-09-22 19:40 ` Jakub Kicinski
2022-09-22 3:10 ` [PATCH 03/12] net: ipa: " Kees Cook
2022-09-22 13:45 ` Alex Elder
2022-09-22 15:57 ` Kees Cook
2022-09-22 3:10 ` [PATCH 04/12] btrfs: send: " Kees Cook
2022-09-22 13:30 ` David Sterba
2022-09-22 3:10 ` [PATCH 05/12] dma-buf: " Kees Cook
2022-09-22 3:10 ` [PATCH 06/12] coredump: " Kees Cook
2022-09-22 3:10 ` [PATCH 07/12] igb: " Kees Cook
2022-09-22 15:56 ` Ruhl, Michael J
2022-09-22 16:00 ` Kees Cook
2022-09-22 3:10 ` [PATCH 08/12] openvswitch: " Kees Cook
2022-09-22 3:10 ` [PATCH 09/12] x86/microcode/AMD: Track patch allocation size explicitly Kees Cook
2022-09-22 3:10 ` [PATCH 10/12] iwlwifi: Track scan_cmd " Kees Cook
2022-09-22 4:18 ` Kalle Valo
2022-09-22 5:26 ` Kees Cook [this message]
2022-09-22 3:10 ` [PATCH 11/12] slab: Remove __malloc attribute from realloc functions Kees Cook
2022-09-22 9:23 ` Miguel Ojeda
2022-09-22 15:56 ` Kees Cook
2022-09-22 17:41 ` Miguel Ojeda
2022-09-22 3:10 ` [PATCH 12/12] slab: Restore __alloc_size attribute to __kmalloc_track_caller Kees Cook
2022-09-22 7:10 ` [PATCH 00/12] slab: Introduce kmalloc_size_roundup() Christian König
2022-09-22 15:55 ` Kees Cook
2022-09-22 21:05 ` Vlastimil Babka
2022-09-22 21:49 ` Kees Cook
2022-09-23 9:07 ` Vlastimil Babka
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