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(parent: 659ec76) | patch
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)
commitad4f967a8a5d2c55f9824bb4f6fe499e45f8d8b2
tree438853e99d5d6ab02ef59df38856f858eb8b0f19tree | snapshot
parent659ec7661a90f6953a83a787a1ffa7cfcdc2fc7dcommit | diff
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: 56bdaecc4814 ("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 diff | blob | history
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