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authorAlexander Potapenko <glider@google.com>2019-07-17 01:27:27 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-17 04:23:22 +0200
commit5015a300a522c8fb542dc993140e4c360cf4cf5f (patch)
treedbad49fce32d12ce9c68a81656963cb1803992a0 /fs/debugfs
parentlib/test_overflow.c: avoid tainting the kernel and fix wrap size (diff)
downloadlinux-5015a300a522c8fb542dc993140e4c360cf4cf5f.tar.xz
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lib: introduce test_meminit module
Add tests for heap and pagealloc initialization. These can be used to check init_on_alloc and init_on_free implementations as well as other approaches to initialization. Expected test output in the case the kernel provides heap initialization (e.g. when running with either init_on_alloc=1 or init_on_free=1): test_meminit: all 10 tests in test_pages passed test_meminit: all 40 tests in test_kvmalloc passed test_meminit: all 60 tests in test_kmemcache passed test_meminit: all 10 tests in test_rcu_persistent passed test_meminit: all 120 tests passed! Link: http://lkml.kernel.org/r/20190529123812.43089-4-glider@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: Christoph Lameter <cl@linux.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Kostya Serebryany <kcc@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Sandeep Patil <sspatil@android.com> Cc: Laura Abbott <labbott@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Marco Elver <elver@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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