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(parent: 371a3bc) | patch
net: Fix data-races around sysctl_devconf_inherit_init_net.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 23 Aug 2022 17:46:57 +0000 (10:46 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 31 Aug 2022 15:15:21 +0000 (17:15 +0200)
commit9fcc4f4066208b3383824ed8f0eba6bf47c23e87
tree6c7033c779e2a285cd9d5151bb5a99a83ca215c8tree | snapshot
parent371a3bcf3144584c511f80e87d4c28ac2c75e9a7commit | diff
net: Fix data-races around sysctl_devconf_inherit_init_net.

[ Upstream commit a5612ca10d1aa05624ebe72633e0c8c792970833 ]

While reading sysctl_devconf_inherit_init_net, it can be changed
concurrently.  Thus, we need to add READ_ONCE() to its readers.

Fixes: 856c395cfa63 ("net: introduce a knob to control whether to inherit devconf config")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
include/linux/netdevice.h diff | blob | blame | history
net/ipv4/devinet.c diff | blob | blame | history
net/ipv6/addrconf.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git