how to find the pointer address

Mulyadi Santosa mulyadi.santosa at
Thu Jan 13 00:44:40 EST 2011

On Thu, Jan 13, 2011 at 04:07, mohit verma <mohit89mlnc at> wrote:
> hi all,
> i have to trap  some kernel functions  like:
>          any pathname resolution function  has to go through the
> link_path_walk() kernel function. so what this function returns is 0 on
> success or error.
>  but when it reurns with 0  , the nameidata->dentry and  mnt fields of
> nameidata structure point to the pathname component.
> so most probably( m not  sure) this  will change the stack address and get
> back to the calling  point of link_path_walk().
> is there any way by which i can find out the address of the pointer returned
> back from link_path_walk() (indirectly)  of nameidata structure.
> i mean as  u guys suggested me over here  to just use kprobe() kernel
> tracing funtion to use  but the problem is with how to find it out?
> is  there any way in /proc subsystem to  check it out?

Please rephrase your question: are you going to find symbol address?


Mulyadi Santosa
Freelance Linux trainer and consultant


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