From: fche@redhat.com (Frank Ch. Eigler)
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@kernel.org>,
linux-arch@vger.kernel.org,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Sandeepa Prabhu <sandeepa.prabhu@linaro.org>,
x86@kernel.org, lkml <linux-kernel@vger.kernel.org>,
"Steven Rostedt (Red Hat)" <rostedt@goodmis.org>,
virtualization@lists.linux-foundation.org,
systemtap@sourceware.org, "David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH -tip v3 00/23] kprobes: introduce NOKPROBE_SYMBOL() and general cleaning of kprobe blacklist
Date: Wed, 20 Nov 2013 09:26:59 -0500 [thread overview]
Message-ID: <y0mvbznxi6k.fsf@fche.csb> (raw)
In-Reply-To: <20131120042148.15296.88360.stgit@kbuild-fedora.novalocal> (Masami Hiramatsu's message of "Wed, 20 Nov 2013 04:21:48 +0000")
masami.hiramatsu.pt wrote:
> [...] This series also includes a change which prohibits probing on
> the address in .entry.text because the code is used for very
> low-level sensitive interrupt/syscall entries. Probing such code may
> cause unexpected result (actually most of that area is already in
> the kprobe blacklist). So I've decide to prohibit probing all of
> them. [...]
Does this new blacklist cover enough that the kernel now survives a
broadly wildcarded perf-probe, e.g. over e.g. all of its kallsyms?
- FChE
next prev parent reply other threads:[~2013-11-20 14:27 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-20 4:21 [PATCH -tip v3 00/23] kprobes: introduce NOKPROBE_SYMBOL() and general cleaning of kprobe blacklist Masami Hiramatsu
2013-11-20 4:21 ` [PATCH -tip v3 01/23] kprobes: Prohibit probing on .entry.text code Masami Hiramatsu
2013-11-20 4:21 ` [PATCH -tip v3 02/23] kprobes: Introduce NOKPROBE_SYMBOL() macro for blacklist Masami Hiramatsu
2013-11-27 13:32 ` Ingo Molnar
2013-11-28 7:56 ` Masami Hiramatsu
2013-11-20 4:21 ` [PATCH -tip v3 03/23] kprobes: Show blacklist entries via debugfs Masami Hiramatsu
2013-11-20 4:21 ` [PATCH -tip v3 04/23] kprobes: Support blacklist functions in module Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 05/23] kprobes: Use NOKPROBE_SYMBOL() in sample modules Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 06/23] kprobes/x86: Allow probe on some kprobe preparation functions Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 07/23] kprobes/x86: Use NOKPROBE_SYMBOL instead of __kprobes Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 08/23] kprobes: Allow probe on some kprobe functions Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 09/23] kprobes: Use NOKPROBE_SYMBOL macro instead of __kprobes Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 10/23] ftrace/kprobes: Allow probing on some preparation functions Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 11/23] ftrace/kprobes: Use NOKPROBE_SYMBOL macro in ftrace Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 12/23] x86/hw_breakpoint: Use NOKPROBE_SYMBOL macro in hw_breakpoint Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 13/23] x86/trap: Use NOKPROBE_SYMBOL macro in trap.c Masami Hiramatsu
2013-11-22 21:21 ` Andi Kleen
2013-11-23 12:11 ` Masami Hiramatsu
2013-11-27 1:38 ` Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 14/23] x86/fault: Use NOKPROBE_SYMBOL macro in fault.c Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 15/23] x86/alternative: Use NOKPROBE_SYMBOL macro in alternative.c Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 16/23] x86/nmi: Use NOKPROBE_SYMBOL macro for nmi handlers Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 17/23] x86/kvm: Use NOKPROBE_SYMBOL macro in kvm.c Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 18/23] x86/dumpstack: Use NOKPROBE_SYMBOL macro in dumpstack.c Masami Hiramatsu
2013-11-21 11:30 ` Ingo Molnar
2013-11-22 2:08 ` Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 19/23] [BUGFIX] kprobes/x86: Prohibit probing on debug_stack_* Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 20/23] [BUGFIX] kprobes: Prohibit probing on func_ptr_is_kernel_text Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 21/23] notifier: Use NOKPROBE_SYMBOL macro in notifier Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 22/23] sched: Use NOKPROBE_SYMBOL macro in sched Masami Hiramatsu
2013-11-20 4:22 ` [PATCH -tip v3 23/23] kprobes/x86: Use kprobe_blacklist for .kprobes.text and .entry.text Masami Hiramatsu
2013-11-20 14:26 ` Frank Ch. Eigler [this message]
2013-11-20 15:38 ` [PATCH -tip v3 00/23] kprobes: introduce NOKPROBE_SYMBOL() and general cleaning of kprobe blacklist Ingo Molnar
2013-11-20 17:36 ` Frank Ch. Eigler
2013-11-20 17:56 ` Steven Rostedt
2013-11-20 18:09 ` Josh Stone
2013-11-21 2:14 ` Masami Hiramatsu
2013-11-21 7:29 ` Ingo Molnar
2013-11-22 2:35 ` Masami Hiramatsu
2013-11-22 11:46 ` Masami Hiramatsu
2013-11-27 13:30 ` Ingo Molnar
2013-11-28 10:43 ` Masami Hiramatsu
2013-11-30 13:46 ` Ingo Molnar
2013-12-01 2:16 ` Masami Hiramatsu
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