linux-kernel - [PATCH v3 0/9] kprobes: Make KUnit and add stacktrace on kretprobe tests

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Date:   Thu, 21 Oct 2021 09:54:16 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Ananth N Mavinakayanahalli <ananth@...ux.ibm.com>,
        Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
        mhiramat@...nel.org, Sven Schnelle <svens@...ux.ibm.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 0/9] kprobes: Make KUnit and add stacktrace on kretprobe tests

Hi,

Here is the 3rd 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/163430224341.459050.2369208860773018092.stgit@devnote2/T/#u

In this version, I fixed arm's trampoline code, and add the version tag.
And I also dropped the RFC patch. It may be discussed in another series.

Thank you,

---

Masami Hiramatsu (8):
      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

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                |   28 ++
 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                |    7 
 arch/x86/Kconfig                              |    1 
 arch/x86/include/asm/unwind.h                 |    6 
 kernel/kprobes.c                              |    3 
 kernel/test_kprobes.c                         |  374 ++++++++++++++-----------
 lib/Kconfig.debug                             |    3 
 16 files changed, 302 insertions(+), 172 deletions(-)

--
Masami Hiramatsu (Linaro) <mhiramat@...nel.org>