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authorDan Carpenter <error27@gmail.com>2022-12-07 10:06:31 +0300
committerJakub Kicinski <kuba@kernel.org>2022-12-08 09:09:36 -0800
commitcdd97383e19d4afe29adc3376025a15ae3bab3a3 (patch)
tree5824da88d36abdff7cfc02cc62e072dbc4daf094 /fs/fcntl.c
parentnet: thunderbolt: fix memory leak in tbnet_open() (diff)
downloadwireguard-linux-cdd97383e19d4afe29adc3376025a15ae3bab3a3.tar.xz
wireguard-linux-cdd97383e19d4afe29adc3376025a15ae3bab3a3.zip
net: mvneta: Fix an out of bounds check
In an earlier commit, I added a bounds check to prevent an out of bounds read and a WARN(). On further discussion and consideration that check was probably too aggressive. Instead of returning -EINVAL, a better fix would be to just prevent the out of bounds read but continue the process. Background: The value of "pp->rxq_def" is a number between 0-7 by default, or even higher depending on the value of "rxq_number", which is a module parameter. If the value is more than the number of available CPUs then it will trigger the WARN() in cpu_max_bits_warn(). Fixes: e8b4fc13900b ("net: mvneta: Prevent out of bounds read in mvneta_config_rss()") Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/Y5A7d1E5ccwHTYPf@kadam Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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