From: James Morse <james.morse@arm.com>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Pratyush Anand <panand@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
"David A . Long" <dave.long@linaro.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/4] arm64: kprobes: Move exception_text check in blacklist
Date: Mon, 21 Jan 2019 12:08:59 +0000 [thread overview]
Message-ID: <47b290e9-0dcc-d9cd-3a7d-f6a4c4c3ca60@arm.com> (raw)
In-Reply-To: <154753350520.31541.11995657762766497151.stgit@devbox>
Hi,
On 15/01/2019 06:25, Masami Hiramatsu wrote:
> Move exception/irqentry text address check in blacklist,
> since those are symbol based rejection.
>
> If we prohibit probing on the symbols in exception_text,
> those should be blacklisted.
We need to blacklist this as its where do_debug_exception() lives, which kprobes
depends on for single-stepping.
Reviewed-by: James Morse <james.morse@arm.com>
Thanks!
James
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next prev parent reply other threads:[~2019-01-21 12:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-15 6:23 [PATCH v2 0/4] arm64: kprobes: Update blacklist checking on arm64 Masami Hiramatsu
2019-01-15 6:24 ` [PATCH v2 1/4] arm64: kprobes: Move extable address check into arch_prepare_kprobe() Masami Hiramatsu
2019-01-15 6:24 ` [PATCH v2 2/4] arm64: kprobes: Remove unneeded RODATA check Masami Hiramatsu
2019-01-15 11:20 ` Mark Rutland
2019-01-15 6:25 ` [PATCH v2 3/4] arm64: kprobes: Move exception_text check in blacklist Masami Hiramatsu
2019-01-21 12:08 ` James Morse [this message]
2019-01-15 6:25 ` [PATCH v2 4/4] arm64: kprobes: Use arch_populate_kprobe_blacklist() Masami Hiramatsu
2019-01-21 12:20 ` James Morse
2019-01-21 13:25 ` Masami Hiramatsu
2019-02-08 9:15 ` Will Deacon
2019-02-11 13:10 ` Masami Hiramatsu
2019-02-11 15:58 ` Will Deacon
2019-02-11 16:05 ` Marc Zyngier
2019-02-12 15:28 ` Masami Hiramatsu
2019-01-16 13:40 ` [PATCH v2 0/4] arm64: kprobes: Update blacklist checking on arm64 Will Deacon
2019-01-19 13:31 ` Masami Hiramatsu
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