[PATCH] riscv: kprobes: Fix incorrect address calculation

[Nam Cao]

Hi Alex,

On Thu, Nov 28, 2024 at 02:02:40PM +0100, Alexandre Ghiti wrote:
> On 19/11/2024 12:10, Nam Cao wrote:
> > p->ainsn.api.insn is a pointer to u32, therefore arithmetic operations are
> > multiplied by four. This is clearly undesirable for this case.
> > 
> > Cast it to (void *) first before any calculation.
...
> This looks good to me, how did you find this issue?

I found it while working on RV monitors (Documentation/trace/rv) which
use kprobes. The monitors exploded on riscv.

Best regards,
Nam