[PATCH] riscv: process: fix kernel info leakage

patchwork-bot+linux-riscv at kernel.org patchwork-bot+linux-riscv at kernel.org
Thu Nov 10 14:50:16 PST 2022


Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Sat, 29 Oct 2022 19:34:50 +0800 you wrote:
> thread_struct's s[12] may contain random kernel memory content, which
> may be finally leaked to userspace. This is a security hole. Fix it
> by clearing the s[12] array in thread_struct when fork.
> 
> As for kthread case, it's better to clear the s[12] array as well.
> 
> Fixes: 7db91e57a0ac ("RISC-V: Task implementation")
> Signed-off-by: Jisheng Zhang <jszhang at kernel.org>
> 
> [...]

Here is the summary with links:
  - riscv: process: fix kernel info leakage
    https://git.kernel.org/riscv/c/6510c78490c4

You are awesome, thank you!
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