On Tue, Sep 24, 2002 at 02:43:47PM +0200, Andi Kleen wrote:
> wouldn't an on stack buffer do nicely to format a single number ?
Yes, this was a lazy adaption of other code. Will fix.
> it doesn't length limit count before passing to kmalloc - hole.
> Also has overflow bugs (consider someone passing 0xffffffff-1).
Thanks.
> The sys_lookup_dcookie call looks like a security hole to me. After
I'll make it CAP_SYS_ADMIN ?
> Adding a list_head to task_struct looks quite ugly to me. Is there
> surely no better way ? e.g. you could just put it in a file private
> structure and the daemon keeps the file open.
Well, if I'm going to "hard code" the unregister I can just remove the
registration and let the oprofile code call dcookie_init/exit on event
buffer open/release.
thanks
john
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