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linux/kernel/kprobes.c
Masami Hiramatsu (Google) e13f0dd5fb kprobes: Prohibit probing on CFI preamble symbol 
[ Upstream commit de02f2ac5d ]

Do not allow to probe on "__cfi_" or "__pfx_" started symbol, because those
are used for CFI and not executed. Probing it will break the CFI.

Link: https://lore.kernel.org/all/168904024679.116016.18089228029322008512.stgit@devnote2/

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-19 12:22:28 +02:00

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