On Thu, Apr 17, 2025 at 8:16 AM KaFai Wan <[email protected]> wrote:
>
> Adding support to access arguments with const void pointer arguments
> in tracing programs.
>
> Currently we allow tracing programs to access void pointers. If we try to
> access argument which is pointer to const void like 2nd argument in kfree,
> verifier will fail to load the program with;
>
> 0: R1=ctx() R10=fp0
> ; asm volatile ("r2 = *(u64 *)(r1 + 8); ");
> 0: (79) r2 = *(u64 *)(r1 +8)
> func 'kfree' arg1 type UNKNOWN is not a struct
>
> Changing the is_int_ptr to void and generic integer check and renaming
> it to is_void_or_int_ptr.
>
> Cc: Leon Hwang <[email protected]>
> Signed-off-by: KaFai Wan <[email protected]>

The patch looks good, but your SOB is different from From.
Please use the same in SOB.
And keep Acks when you respin.

pw-bot: cr

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