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From:   Bernd Edlinger <bernd.edlinger@hotmail.de>
Subject: [PATCH 0/4] Use new infrastructure to fix deadlocks in execve
To:     "Eric W. Biederman" <ebiederm@xmission.com>
Cc:     Christian Brauner <christian.brauner@ubuntu.com>,
        Kees Cook <keescook@chromium.org>,
        Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Oleg Nesterov <oleg@redhat.com>,
        Frederic Weisbecker <frederic@kernel.org>,
        Andrei Vagin <avagin@gmail.com>,
        Ingo Molnar <mingo@kernel.org>,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        Yuyang Du <duyuyang@gmail.com>,
        David Hildenbrand <david@redhat.com>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        David Howells <dhowells@redhat.com>,
        James Morris <jamorris@linux.microsoft.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Shakeel Butt <shakeelb@google.com>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        Christian Kellner <christian@kellner.me>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Aleksa Sarai <cyphar@cyphar.com>,
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Date:   Tue, 10 Mar 2020 14:43:21 +0100
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This is a follow up on Eric's patch series to
fix the deadlocks observed with ptracing when execve
in multi-threaded applications.

This fixes the simple and most important case where
the cred_guard_mutex causes strace to deadlock.

This also adds a test case (which is only partially
fixed so far, the rest of the fixes will follow
soon).

Two trivial comment fixes are also included.

Bernd Edlinger (4):
  exec: Fix a deadlock in ptrace
  selftests/ptrace: add test cases for dead-locks
  mm: docs: Fix a comment in process_vm_rw_core
  kernel: doc: remove outdated comment in prepare_kernel_cred

 kernel/cred.c                             |  2 -
 kernel/fork.c                             |  4 +-
 mm/process_vm_access.c                    |  2 +-
 tools/testing/selftests/ptrace/Makefile   |  4 +-
 tools/testing/selftests/ptrace/vmaccess.c | 86 +++++++++++++++++++++++++++++++
 5 files changed, 91 insertions(+), 7 deletions(-)
 create mode 100644 tools/testing/selftests/ptrace/vmaccess.c

-- 
1.9.1