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Message-Id: <20221018092340.never.556-kees@kernel.org> Date: Tue, 18 Oct 2022 02:25:23 -0700 From: Kees Cook <keescook@...omium.org> To: Ruhl@....outflux.net, Michael J <michael.j.ruhl@...el.com> Cc: Kees Cook <keescook@...omium.org>, Jesse Brandeburg <jesse.brandeburg@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org, linux-hardening@...r.kernel.org Subject: [PATCH v3 0/2] igb: Proactively round up to kmalloc bucket size Hi, In preparation for removing the "silently change allocation size" users of ksize(), explicitly round up all q_vector allocations so that allocations can be correctly compared to ksize(). Before that, fix a potential Use After Free under memory pressure. Thanks, -Kees v3; split UAF fix from bucket rounding. v2: https://lore.kernel.org/lkml/20220923202822.2667581-7-keescook@chromium.org/ Kees Cook (2): igb: Do not free q_vector unless new one was allocated igb: Proactively round up to kmalloc bucket size drivers/net/ethernet/intel/igb/igb_main.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) -- 2.34.1
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