[PATCH 04/10] test_bitmap: skip user bitmap tests for !CONFIG_SET_FS
From: Christoph Hellwig <hch@lst.de>
Date: 2020-08-27 15:09:14
Also in:
linux-arch, linux-fsdevel, lkml
Subsystem:
bitmap api, library code, the rest · Maintainers:
Yury Norov, Andrew Morton, Linus Torvalds
We can't run the tests for userspace bitmap parsing if set_fs() doesn't exist. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <redacted> --- lib/test_bitmap.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index df903c53952bb9..49b1d25fbaf546 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c@@ -365,6 +365,7 @@ static void __init __test_bitmap_parselist(int is_user) for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) { #define ptest parselist_tests[i] +#ifdef CONFIG_SET_FS if (is_user) { mm_segment_t orig_fs = get_fs(); size_t len = strlen(ptest.in);
@@ -375,7 +376,9 @@ static void __init __test_bitmap_parselist(int is_user) bmap, ptest.nbits); time = ktime_get() - time; set_fs(orig_fs); - } else { + } else +#endif /* CONFIG_SET_FS */ + { time = ktime_get(); err = bitmap_parselist(ptest.in, bmap, ptest.nbits); time = ktime_get() - time;
@@ -454,6 +457,7 @@ static void __init __test_bitmap_parse(int is_user) for (i = 0; i < ARRAY_SIZE(parse_tests); i++) { struct test_bitmap_parselist test = parse_tests[i]; +#ifdef CONFIG_SET_FS if (is_user) { size_t len = strlen(test.in); mm_segment_t orig_fs = get_fs();
@@ -464,7 +468,9 @@ static void __init __test_bitmap_parse(int is_user) bmap, test.nbits); time = ktime_get() - time; set_fs(orig_fs); - } else { + } else +#endif /* CONFIG_SET_FS */ + { size_t len = test.flags & NO_LEN ? UINT_MAX : strlen(test.in); time = ktime_get();
--
2.28.0