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authorKees Cook <kees@kernel.org>2024-07-20 10:03:14 -0700
committerKees Cook <kees@kernel.org>2024-07-22 18:25:47 -0700
commitb6f5ee4d53019443fb99dd23bc08680b1244ccfa (patch)
treeafaaac60d7987c758ed562e6be3a848ddf26c718 /fs/binfmt_elf_test.c
parent21f93108306026b8066db31c24a097192c8c36c7 (diff)
execve: Move KUnit tests to tests/ subdirectory
Move the exec KUnit tests into a separate directory to avoid polluting the local directory namespace. Additionally update MAINTAINERS for the new files. Reviewed-by: David Gow <davidgow@google.com> Reviewed-by: SeongJae Park <sj@kernel.org> Acked-by: Christian Brauner <brauner@kernel.org> Link: https://lore.kernel.org/r/20240720170310.it.942-kees@kernel.org Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'fs/binfmt_elf_test.c')
-rw-r--r--fs/binfmt_elf_test.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/fs/binfmt_elf_test.c b/fs/binfmt_elf_test.c
deleted file mode 100644
index 11d734fec366..000000000000
--- a/fs/binfmt_elf_test.c
+++ /dev/null
@@ -1,64 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-#include <kunit/test.h>
-
-static void total_mapping_size_test(struct kunit *test)
-{
- struct elf_phdr empty[] = {
- { .p_type = PT_LOAD, .p_vaddr = 0, .p_memsz = 0, },
- { .p_type = PT_INTERP, .p_vaddr = 10, .p_memsz = 999999, },
- };
- /*
- * readelf -lW /bin/mount | grep '^ .*0x0' | awk '{print "\t\t{ .p_type = PT_" \
- * $1 ", .p_vaddr = " $3 ", .p_memsz = " $6 ", },"}'
- */
- struct elf_phdr mount[] = {
- { .p_type = PT_PHDR, .p_vaddr = 0x00000040, .p_memsz = 0x0002d8, },
- { .p_type = PT_INTERP, .p_vaddr = 0x00000318, .p_memsz = 0x00001c, },
- { .p_type = PT_LOAD, .p_vaddr = 0x00000000, .p_memsz = 0x0033a8, },
- { .p_type = PT_LOAD, .p_vaddr = 0x00004000, .p_memsz = 0x005c91, },
- { .p_type = PT_LOAD, .p_vaddr = 0x0000a000, .p_memsz = 0x0022f8, },
- { .p_type = PT_LOAD, .p_vaddr = 0x0000d330, .p_memsz = 0x000d40, },
- { .p_type = PT_DYNAMIC, .p_vaddr = 0x0000d928, .p_memsz = 0x000200, },
- { .p_type = PT_NOTE, .p_vaddr = 0x00000338, .p_memsz = 0x000030, },
- { .p_type = PT_NOTE, .p_vaddr = 0x00000368, .p_memsz = 0x000044, },
- { .p_type = PT_GNU_PROPERTY, .p_vaddr = 0x00000338, .p_memsz = 0x000030, },
- { .p_type = PT_GNU_EH_FRAME, .p_vaddr = 0x0000b490, .p_memsz = 0x0001ec, },
- { .p_type = PT_GNU_STACK, .p_vaddr = 0x00000000, .p_memsz = 0x000000, },
- { .p_type = PT_GNU_RELRO, .p_vaddr = 0x0000d330, .p_memsz = 0x000cd0, },
- };
- size_t mount_size = 0xE070;
- /* https://lore.kernel.org/linux-fsdevel/YfF18Dy85mCntXrx@fractal.localdomain */
- struct elf_phdr unordered[] = {
- { .p_type = PT_LOAD, .p_vaddr = 0x00000000, .p_memsz = 0x0033a8, },
- { .p_type = PT_LOAD, .p_vaddr = 0x0000d330, .p_memsz = 0x000d40, },
- { .p_type = PT_LOAD, .p_vaddr = 0x00004000, .p_memsz = 0x005c91, },
- { .p_type = PT_LOAD, .p_vaddr = 0x0000a000, .p_memsz = 0x0022f8, },
- };
-
- /* No headers, no size. */
- KUNIT_EXPECT_EQ(test, total_mapping_size(NULL, 0), 0);
- KUNIT_EXPECT_EQ(test, total_mapping_size(empty, 0), 0);
- /* Empty headers, no size. */
- KUNIT_EXPECT_EQ(test, total_mapping_size(empty, 1), 0);
- /* No PT_LOAD headers, no size. */
- KUNIT_EXPECT_EQ(test, total_mapping_size(&empty[1], 1), 0);
- /* Empty PT_LOAD and non-PT_LOAD headers, no size. */
- KUNIT_EXPECT_EQ(test, total_mapping_size(empty, 2), 0);
-
- /* Normal set of PT_LOADS, and expected size. */
- KUNIT_EXPECT_EQ(test, total_mapping_size(mount, ARRAY_SIZE(mount)), mount_size);
- /* Unordered PT_LOADs result in same size. */
- KUNIT_EXPECT_EQ(test, total_mapping_size(unordered, ARRAY_SIZE(unordered)), mount_size);
-}
-
-static struct kunit_case binfmt_elf_test_cases[] = {
- KUNIT_CASE(total_mapping_size_test),
- {},
-};
-
-static struct kunit_suite binfmt_elf_test_suite = {
- .name = KBUILD_MODNAME,
- .test_cases = binfmt_elf_test_cases,
-};
-
-kunit_test_suite(binfmt_elf_test_suite);