From: Masami Hiramatsu <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Naveen N . Rao" <naveen.n.rao@linux.vnet.ibm.com>,
Ananth N Mavinakayanahalli <ananth@linux.ibm.com>,
Ingo Molnar <mingo@kernel.org>,
linux-kernel@vger.kernel.org, mhiramat@kernel.org,
Sven Schnelle <svens@linux.ibm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 00/10] kprobes: Make KUnit and add stacktrace on kretprobe tests
Date: Fri, 15 Oct 2021 21:50:43 +0900 [thread overview]
Message-ID: <163430224341.459050.2369208860773018092.stgit@devnote2> (raw)
Hi,
Here is the 2nd version of the series to change the kprobes selftest
to KUnit and add testcases for stacktrace on kretprobes, which has
been fixed recently on x86. The previous version is here;
https://lore.kernel.org/all/163369609308.636038.15295764725220907794.stgit@devnote2/
In this version, I fixed some typos and coding issues according to
Will and Mark's comments. Thanks!
And I added 1 RFC patch, which will detect the unwinding error on
arm64 (just for testing) according to Mark's comment. But since
I'm not sure how to handle that error correctly in the unwinder
code. So this is just for testing.
Mark, can you tell me how can I handle it? Just asserted by WARN_ON_ONCE()
is OK? Or print out more error information? For the debugging, we need
more information, so I printed out the error code.
Thank you,
---
Masami Hiramatsu (9):
kprobes: Add a test case for stacktrace from kretprobe handler
x86/unwind: Compile kretprobe fixup code only if CONFIG_KRETPROBES=y
arm64: kprobes: Record frame pointer with kretprobe instance
arm64: kprobes: Make a frame pointer on __kretprobe_trampoline
arm64: Recover kretprobe modified return address in stacktrace
ARM: clang: Do not rely on lr register for stacktrace
ARM: kprobes: Make a frame pointer on __kretprobe_trampoline
ARM: Recover kretprobe modified return address in stacktrace
[RFC] arm64: kprobes: Detect error of kretprobe return address fixup
Sven Schnelle (1):
kprobes: convert tests to kunit
arch/Kconfig | 8 +
arch/arm/Kconfig | 1
arch/arm/include/asm/stacktrace.h | 9 +
arch/arm/kernel/return_address.c | 4
arch/arm/kernel/stacktrace.c | 17 +
arch/arm/probes/kprobes/core.c | 29 ++
arch/arm64/Kconfig | 1
arch/arm64/include/asm/stacktrace.h | 4
arch/arm64/kernel/probes/kprobes.c | 4
arch/arm64/kernel/probes/kprobes_trampoline.S | 4
arch/arm64/kernel/stacktrace.c | 13 +
arch/x86/Kconfig | 1
arch/x86/include/asm/unwind.h | 6
include/linux/kprobes.h | 2
kernel/kprobes.c | 52 +++
kernel/test_kprobes.c | 374 ++++++++++++++-----------
lib/Kconfig.debug | 3
17 files changed, 359 insertions(+), 173 deletions(-)
--
Masami Hiramatsu (Linaro) <mhiramat@kernel.org>
next reply other threads:[~2021-10-15 12:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 12:50 Masami Hiramatsu [this message]
2021-10-15 12:50 ` [PATCH 01/10] kprobes: convert tests to kunit Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 02/10] kprobes: Add a test case for stacktrace from kretprobe handler Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 03/10] x86/unwind: Compile kretprobe fixup code only if CONFIG_KRETPROBES=y Masami Hiramatsu
2021-10-15 13:10 ` Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 04/10] arm64: kprobes: Record frame pointer with kretprobe instance Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 05/10] arm64: kprobes: Make a frame pointer on __kretprobe_trampoline Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 06/10] arm64: Recover kretprobe modified return address in stacktrace Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 07/10] ARM: clang: Do not rely on lr register for stacktrace Masami Hiramatsu
2021-10-15 12:51 ` [PATCH 08/10] ARM: kprobes: Make a frame pointer on __kretprobe_trampoline Masami Hiramatsu
2021-10-16 10:37 ` kernel test robot
2021-10-16 21:15 ` Russell King (Oracle)
2021-10-18 5:55 ` Masami Hiramatsu
2021-10-15 12:52 ` [PATCH 09/10] ARM: Recover kretprobe modified return address in stacktrace Masami Hiramatsu
2021-10-15 12:52 ` [PATCH 10/10] [RFC] arm64: kprobes: Detect error of kretprobe return address fixup Masami Hiramatsu
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