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The test verifies that file descriptor created with memfd_secret does not allow read/write operations, that secret memory mappings respect RLIMIT_MEMLOCK and that remote accesses with process_vm_read() and ptrace() to the secret memory fail. Link: https://lkml.kernel.org/r/20210518072034.31572-8-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christopher Lameter <cl@linux.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Elena Reshetova <elena.reshetova@intel.com> Cc: Hagen Paul Pfeifer <hagen@jauu.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Palmer Dabbelt <palmerdabbelt@google.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rick Edgecombe <rick.p.edgecombe@intel.com> Cc: Roman Gushchin <guro@fb.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tycho Andersen <tycho@tycho.ws> Cc: Will Deacon <will@kernel.org> Cc: kernel test robot <lkp@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| .gitignore | ||
| charge_reserved_hugetlb.sh | ||
| check_config.sh | ||
| compaction_test.c | ||
| config | ||
| gup_test.c | ||
| hmm-tests.c | ||
| hugepage-mmap.c | ||
| hugepage-shm.c | ||
| hugetlb_reparenting_test.sh | ||
| khugepaged.c | ||
| madv_populate.c | ||
| Makefile | ||
| map_fixed_noreplace.c | ||
| map_hugetlb.c | ||
| map_populate.c | ||
| memfd_secret.c | ||
| mlock-random-test.c | ||
| mlock2-tests.c | ||
| mlock2.h | ||
| mremap_dontunmap.c | ||
| mremap_test.c | ||
| on-fault-limit.c | ||
| pkey-helpers.h | ||
| pkey-powerpc.h | ||
| pkey-x86.h | ||
| protection_keys.c | ||
| run_vmtests.sh | ||
| split_huge_page_test.c | ||
| test_hmm.sh | ||
| test_vmalloc.sh | ||
| thuge-gen.c | ||
| transhuge-stress.c | ||
| userfaultfd.c | ||
| va_128TBswitch.c | ||
| virtual_address_range.c | ||
| write_hugetlb_memory.sh | ||
| write_to_hugetlbfs.c | ||