Messages in this thread | | | Subject | Re: [PATCH v4 1/2] Revert "net: mdiobus: Fix memory leak in __mdiobus_register" | From | patchwork-bot+netdevbpf@kernel ... | Date | Fri, 01 Oct 2021 00:40:07 +0000 |
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Hello:
This series was applied to netdev/net.git (refs/heads/master):
On Thu, 30 Sep 2021 20:49:42 +0300 you wrote: > This reverts commit ab609f25d19858513919369ff3d9a63c02cd9e2e. > > This patch is correct in the sense that we _should_ call device_put() in > case of device_register() failure, but the problem in this code is more > vast. > > We need to set bus->state to UNMDIOBUS_REGISTERED before calling > device_register() to correctly release the device in mdiobus_free(). > This patch prevents us from doing it, since in case of device_register() > failure put_device() will be called 2 times and it will cause UAF or > something else. > > [...]
Here is the summary with links: - [v4,1/2] Revert "net: mdiobus: Fix memory leak in __mdiobus_register" https://git.kernel.org/netdev/net/c/10eff1f5788b - [v4,2/2] phy: mdio: fix memory leak https://git.kernel.org/netdev/net/c/ca6e11c337da
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