Re: [PATCH net,v7] net/smc: prevent NULL pointer dereference in txopt_get

From: patchwork-bot+netdevbpf
Date: Fri Aug 30 2024 - 08:31:06 EST


Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Thu, 29 Aug 2024 12:56:48 +0900 you wrote:
> Since smc_inet6_prot does not initialize ipv6_pinfo_offset, inet6_create()
> copies an incorrect address value, sk + 0 (offset), to inet_sk(sk)->pinet6.
>
> In addition, since inet_sk(sk)->pinet6 and smc_sk(sk)->clcsock practically
> point to the same address, when smc_create_clcsk() stores the newly
> created clcsock in smc_sk(sk)->clcsock, inet_sk(sk)->pinet6 is corrupted
> into clcsock. This causes NULL pointer dereference and various other
> memory corruptions.
>
> [...]

Here is the summary with links:
- [net,v7] net/smc: prevent NULL pointer dereference in txopt_get
https://git.kernel.org/netdev/net/c/98d4435efcbf

You are awesome, thank you!
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