Re: [PATCH] Make `obsolete params' work correctly if MODULE_SYMBOL_PREFIX is non-empty

Rusty Russell (rusty@rustcorp.com.au)
Fri, 10 Jan 2003 21:20:31 +1100

In message <20030110015203.A16268@twiddle.net> you write:
> On Wed, Jan 08, 2003 at 10:56:51PM +1100, Rusty Russell wrote:
> > + char sym_name[strlen(obsparm[i].name) + 2];
>
> Are you really intending to use variable sized allocation
> on the kernel stack?

Yep. Maximum length of obsolete parameter name in current kernel:
seq_default_timer_resolution (28 chars).

It's far more likely that someone will hit the unchecked kmalloc
allocations in arch/alpha/kernel/modules.c 8)

Hope that helps,
Rusty.

--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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