diff options
| author | Albert van der Linde <alinde@google.com> | 2020-10-15 20:13:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 11:11:22 -0700 |
| commit | 4d0e9df5e43dba52d38b251e3b909df8fa1110be (patch) | |
| tree | 6132ad46be683778740f7144820f465725a1b90e /security | |
| parent | 2c739ced5886cd8c8361faa79a9522ec05174ed0 (diff) | |
| download | linux-4d0e9df5e43dba52d38b251e3b909df8fa1110be.tar.bz2 | |
lib, uaccess: add failure injection to usercopy functions
To test fault-tolerance of user memory access functions, introduce fault
injection to usercopy functions.
If a failure is expected return either -EFAULT or the total amount of
bytes that were not copied.
Signed-off-by: Albert van der Linde <alinde@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Marco Elver <elver@google.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20200831171733.955393-3-alinde@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions