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kprobes: Use kernel_text_address() for checking probe address

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Use kernel_text_address() for checking probe address instead of
__kernel_text_address(), because __kernel_text_address() returns true
for init functions even after relaseing those functions.

That will hit a BUG() in text_poke().

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Masami Hiramatsu 2009-07-28 19:47:23 -04:00 committed by Linus Torvalds
parent 90a09c9cf7
commit ec30c5f3a1
1 changed files with 1 additions and 1 deletions
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2
kernel/kprobes.c
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@ -694,7 +694,7 @@ int __kprobes register_kprobe(struct kprobe *p)
p->addr = addr;
preempt_disable();
if (!__kernel_text_address((unsigned long) p->addr) ||
if (!kernel_text_address((unsigned long) p->addr) ||
in_kprobes_functions((unsigned long) p->addr)) {
preempt_enable();
return -EINVAL;