From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhiramat@kernel.org (Masami Hiramatsu) Date: Sat, 12 May 2018 09:42:21 +0900 Subject: [BUGFIX PATCH v3 0/4] arm: kprobes: Fix to prohibit probing on unsafe functions In-Reply-To: <20180508112503.GD16141@n2100.armlinux.org.uk> References: <152540727123.29650.13679359124038587629.stgit@devbox> <20180508112503.GD16141@n2100.armlinux.org.uk> Message-ID: <20180512094221.e911fa262d8ca9a70ab8869e@kernel.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Greg, Could you pick this series to stable? Thank you, On Tue, 8 May 2018 12:25:03 +0100 Russell King - ARM Linux wrote: > On Fri, May 04, 2018 at 01:14:31PM +0900, Masami Hiramatsu wrote: > > Hi, > > > > This is the 3rd version of bugfix series for kprobes on arm. > > This series fixes 4 different issues which I found. > > > > - Fix to use smp_processor_id() after disabling preemption. > > - Prohibit probing on optimized_callback() for avoiding > > recursive probe. > > - Prohibit kprobes on do_undefinstr() by same reason. > > - Prohibit kprobes on get_user() by same reason. > > > > >From v2, I included another 2 bugfixes (1/4 and 2/4) > > which are not merged yet, and added "Cc: stable at vger.kernel.org", > > since there are obvious bugs. > > Please submit them to the patch system, thanks. > > > > > Thanks, > > > > --- > > > > Masami Hiramatsu (4): > > arm: kprobes: Fix to use get_kprobe_ctlblk after irq-disabed > > arm: kprobes: Prohibit probing on optimized_callback > > arm: kprobes: Prohibit kprobes on do_undefinstr > > arm: kprobes: Prohibit kprobes on get_user functions > > > > > > arch/arm/include/asm/assembler.h | 10 ++++++++++ > > arch/arm/kernel/traps.c | 5 ++++- > > arch/arm/lib/getuser.S | 10 ++++++++++ > > arch/arm/probes/kprobes/opt-arm.c | 4 +++- > > 4 files changed, 27 insertions(+), 2 deletions(-) > > > > -- > > Masami Hiramatsu (Linaro) > > -- > RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ > FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up > According to speedtest.net: 8.21Mbps down 510kbps up -- Masami Hiramatsu