Thread (5 messages) 5 messages, 2 authors, 2021-06-24

Re: [net 1/2] can: j1939: j1939_sk_setsockopt(): prevent allocation of j1939 filter for optlen == 0

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-06-24 18:30:13
Also in: netdev

Hello:

This series was applied to netdev/net.git (refs/heads/master):

On Thu, 24 Jun 2021 08:41:59 +0200 you wrote:
From: Norbert Slusarek <redacted>

If optval != NULL and optlen == 0 are specified for SO_J1939_FILTER in
j1939_sk_setsockopt(), memdup_sockptr() will return ZERO_PTR for 0
size allocation. The new filter will be mistakenly assigned ZERO_PTR.
This patch checks for optlen != 0 and filter will be assigned NULL in
case of optlen == 0.

[...]
Here is the summary with links:
  - [net,1/2] can: j1939: j1939_sk_setsockopt(): prevent allocation of j1939 filter for optlen == 0
    https://git.kernel.org/netdev/net/c/aaf473d0100f
  - [net,2/2] can: peak_pciefd: pucan_handle_status(): fix a potential starvation issue in TX path
    https://git.kernel.org/netdev/net/c/b17233d385d0

You are awesome, thank you!
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