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Searched refs:MFD_NOEXEC_SEAL (Results 1 – 7 of 7) sorted by relevance

/linux-6.15/Documentation/userspace-api/
H A Dmfd_noexec.rst40 ``MFD_NOEXEC_SEAL``
41 When MFD_NOEXEC_SEAL bit is set in the ``flags``, memfd is created
50 ``MFD_NOEXEC_SEAL`` implies ``MFD_ALLOW_SEALING``. In case that
61 memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL acts like
65 memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL acts like
66 MFD_NOEXEC_SEAL was set.
69 memfd_create() without MFD_NOEXEC_SEAL will be rejected.
/linux-6.15/mm/
H A Dmemfd.c305 #define MFD_ALL_FLAGS (MFD_CLOEXEC | MFD_ALLOW_SEALING | MFD_HUGETLB | MFD_NOEXEC_SEAL | MFD_EXEC)
313 if (!(*flags & (MFD_EXEC | MFD_NOEXEC_SEAL))) { in check_sysctl_memfd_noexec()
315 *flags |= MFD_NOEXEC_SEAL; in check_sysctl_memfd_noexec()
320 if (!(*flags & MFD_NOEXEC_SEAL) && sysctl >= MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED) { in check_sysctl_memfd_noexec()
387 if ((flags & MFD_EXEC) && (flags & MFD_NOEXEC_SEAL)) in sanitize_flags()
439 if (flags & MFD_NOEXEC_SEAL) { in alloc_file()
/linux-6.15/tools/include/uapi/linux/
H A Dmemfd.h12 #define MFD_NOEXEC_SEAL 0x0008U macro
/linux-6.15/include/uapi/linux/
H A Dmemfd.h12 #define MFD_NOEXEC_SEAL 0x0008U macro
/linux-6.15/tools/testing/selftests/memfd/
H A Dmemfd_test.c41 #define MFD_NOEXEC_SEAL 0x0008U macro
868 mfd_fail_new("", MFD_EXEC | MFD_NOEXEC_SEAL); in test_create()
1186 MFD_CLOEXEC | MFD_ALLOW_SEALING | MFD_NOEXEC_SEAL); in test_noexec_seal()
1195 MFD_CLOEXEC | MFD_NOEXEC_SEAL); in test_noexec_seal()
1247 MFD_CLOEXEC | MFD_NOEXEC_SEAL | MFD_ALLOW_SEALING); in test_sysctl_sysctl1()
1279 MFD_CLOEXEC | MFD_NOEXEC_SEAL | MFD_ALLOW_SEALING); in test_sysctl_sysctl2()
/linux-6.15/tools/testing/selftests/mm/
H A Dpagemap_ioctl.c1577 fd = memfd_create("uffd-test", MFD_HUGETLB | MFD_NOEXEC_SEAL); in main()
1626 fd = memfd_create(__FILE__".tmp00", MFD_NOEXEC_SEAL); in main()
/linux-6.15/tools/lib/bpf/
H A Dlibbpf.c1740 #ifndef MFD_NOEXEC_SEAL
1741 #define MFD_NOEXEC_SEAL 0x0008U macro
1746 unsigned int flags = MFD_CLOEXEC | MFD_NOEXEC_SEAL; in create_placeholder_fd()
1757 fd = ensure_good_fd(sys_memfd_create(name, flags & ~MFD_NOEXEC_SEAL)); in create_placeholder_fd()