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| author |   Eric Dumazet <edumazet@google.com> | 2024-02-23 12:32:08 +0000 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2024-02-26 18:39:34 -0800 |
| commit | 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e (patch) | |
| tree | 53eed160261aa91dfdd4270e8c5ee634abe138ea /net/mptcp/pm_userspace.c | |
| parent | lan78xx: enable auto speed configuration for LAN7850 if no EEPROM is detected (diff) | |
| download | linux-rng-0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e.tar.xz linux-rng-0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e.zip | |
dpll: rely on rcu for netdev_dpll_pin()
This fixes a possible UAF in if_nlmsg_size(),
which can run without RTNL.
Add rcu protection to "struct dpll_pin"
Move netdev_dpll_pin() from netdevice.h to dpll.h to
decrease name pollution.
Note: This looks possible to no longer acquire RTNL in
netdev_dpll_pin_assign() later in net-next.
v2: do not force rcu_read_lock() in rtnl_dpll_pin_size() (Jiri Pirko)
Fixes: 5f1842692880 ("netdev: expose DPLL pin handle for netdevice")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Cc: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240223123208.3543319-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions