ARM: 8770/1: kprobes: Prohibit probing on optimized_callback
authorMasami Hiramatsu <mhiramat@kernel.org>
Sun, 13 May 2018 04:04:10 +0000 (05:04 +0100)
committerRussell King <rmk+kernel@armlinux.org.uk>
Sat, 19 May 2018 10:35:56 +0000 (11:35 +0100)
commit70948c05fdde0aac32f9667856a88725c192fa40
tree438853e99d5d6ab02ef59df38856f858eb8b0f19
parent69af7e23a6870df2ea6fa79ca16493d59b3eebeb
ARM: 8770/1: kprobes: Prohibit probing on optimized_callback

Prohibit probing on optimized_callback() because
it is called from kprobes itself. If we put a kprobes
on it, that will cause a recursive call loop.
Mark it NOKPROBE_SYMBOL.

Fixes: 0dc016dbd820 ("ARM: kprobes: enable OPTPROBES for ARM 32")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
arch/arm/probes/kprobes/opt-arm.c