Re: [PATCH] clk: samsung: Fix UBSAN panic in samsung_clk_init()

[Krzysztof Kozlowski]

On Wed, 12 Feb 2025 10:32:52 -0800, Will McVicker wrote:
> With UBSAN_ARRAY_BOUNDS=y, I'm hitting the below panic due to
> dereferencing `ctx->clk_data.hws` before setting
> `ctx->clk_data.num = nr_clks`. Move that up to fix the crash.
> 
>   UBSAN: array index out of bounds: 00000000f2005512 [#1] PREEMPT SMP
>   <snip>
>   Call trace:
>    samsung_clk_init+0x110/0x124 (P)
>    samsung_clk_init+0x48/0x124 (L)
>    samsung_cmu_register_one+0x3c/0xa0
>    exynos_arm64_register_cmu+0x54/0x64
>    __gs101_cmu_top_of_clk_init_declare+0x28/0x60
>    ...
> 
> [...]

Applied, thanks!

[1/1] clk: samsung: Fix UBSAN panic in samsung_clk_init()
      https://git.kernel.org/krzk/linux/c/d19d7345a7bcdb083b65568a11b11adffe0687af

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>