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| author | Matthew Wilcox <willy@infradead.org> | 2018-05-19 16:30:54 -0400 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-08-21 23:31:20 -0400 |
| commit | d1c0d5e3c63d61226a75f24d5c35fe20755f0180 (patch) | |
| tree | e29ecd34507fc26355626633e4d433955a67643b | |
| parent | c9b933521aa5795f5b9b6f9809325d6b21710d78 (diff) | |
| download | linux-d1c0d5e3c63d61226a75f24d5c35fe20755f0180.tar.gz linux-d1c0d5e3c63d61226a75f24d5c35fe20755f0180.tar.bz2 linux-d1c0d5e3c63d61226a75f24d5c35fe20755f0180.zip | |
radix tree test suite: Enable ubsan
Add support for the undefined behaviour sanitizer and fix the bugs
that ubsan pointed out. Nothing major, and all in the test suite,
not the code.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
| -rw-r--r-- | tools/testing/radix-tree/Makefile | 5 | ||||
| -rw-r--r-- | tools/testing/radix-tree/main.c | 20 |
2 files changed, 14 insertions, 11 deletions
diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile index db66f8a0d4be..da030a65d6d6 100644 --- a/tools/testing/radix-tree/Makefile +++ b/tools/testing/radix-tree/Makefile @@ -1,7 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -I. -I../../include -g -O2 -Wall -D_LGPL_SOURCE -fsanitize=address -LDFLAGS += -fsanitize=address +CFLAGS += -I. -I../../include -g -Og -Wall -D_LGPL_SOURCE -fsanitize=address \ + -fsanitize=undefined +LDFLAGS += -fsanitize=address -fsanitize=undefined LDLIBS+= -lpthread -lurcu TARGETS = main idr-test multiorder CORE_OFILES := radix-tree.o idr.o linux.o test.o find_bit.o diff --git a/tools/testing/radix-tree/main.c b/tools/testing/radix-tree/main.c index 257f3f8aacaa..584a8732f5ce 100644 --- a/tools/testing/radix-tree/main.c +++ b/tools/testing/radix-tree/main.c @@ -27,20 +27,22 @@ void __gang_check(unsigned long middle, long down, long up, int chunk, int hop) item_check_present(&tree, middle + idx); item_check_absent(&tree, middle + up); - item_gang_check_present(&tree, middle - down, - up + down, chunk, hop); - item_full_scan(&tree, middle - down, down + up, chunk); + if (chunk > 0) { + item_gang_check_present(&tree, middle - down, up + down, + chunk, hop); + item_full_scan(&tree, middle - down, down + up, chunk); + } item_kill_tree(&tree); } void gang_check(void) { - __gang_check(1 << 30, 128, 128, 35, 2); - __gang_check(1 << 31, 128, 128, 32, 32); - __gang_check(1 << 31, 128, 128, 32, 100); - __gang_check(1 << 31, 128, 128, 17, 7); - __gang_check(0xffff0000, 0, 65536, 17, 7); - __gang_check(0xfffffffe, 1, 1, 17, 7); + __gang_check(1UL << 30, 128, 128, 35, 2); + __gang_check(1UL << 31, 128, 128, 32, 32); + __gang_check(1UL << 31, 128, 128, 32, 100); + __gang_check(1UL << 31, 128, 128, 17, 7); + __gang_check(0xffff0000UL, 0, 65536, 17, 7); + __gang_check(0xfffffffeUL, 1, 1, 17, 7); } void __big_gang_check(void) |