Re: [PATCH v4] riscv: Prevent NULL pointer dereference in machine_kexec_prepare

[patchwork-bot+linux-riscv]

Hello:

This patch was applied to riscv/linux.git (fixes)
by Paul Walmsley <pjw@xxxxxxxxxx>:

On Fri,  3 Jul 2026 23:15:31 +1200 you wrote:
> A NULL pointer dereference issue is noticed in riscv's machine_kexec_prepare(),
> where image->segment[i].buf might be NULL and copied unchecked.
> 
> The NULL buf comes from ima_add_kexec_buffer(), where kbuf is added by
> kexec_add_buffer(), but kbuf.buffer is NULL, then it is copied without
> a check in machine_kexec_prepare().
> 
> [...]

Here is the summary with links:
  - [v4] riscv: Prevent NULL pointer dereference in machine_kexec_prepare
    https://git.kernel.org/riscv/c/60d607dc599a

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html