diff options
| author | Andrii Nakryiko <andrii@kernel.org> | 2021-11-24 03:23:19 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-11-26 02:15:03 +0300 |
| commit | 486e648cb2f170702fc05f777c7b6b3d8ec662ce (patch) | |
| tree | 9312bc4266d9c2fb51e405c8fa36eaff39c6e6e9 /tools/testing/selftests/bpf/prog_tests/btf_dump.c | |
| parent | 593835377f24ca1bb98008ec1dc3baefe491ad6e (diff) | |
| download | linux-486e648cb2f170702fc05f777c7b6b3d8ec662ce.tar.xz | |
selftests/bpf: Fix UBSan complaint about signed __int128 overflow
Test is using __int128 variable as unsigned and highest order bit can be
set to 1 after bit shift. Use unsigned __int128 explicitly and prevent
UBSan from complaining.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-8-andrii@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/btf_dump.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/btf_dump.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c index af47aeb211e7..9e26903f9170 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_dump.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c @@ -323,7 +323,7 @@ static void test_btf_dump_int_data(struct btf *btf, struct btf_dump *d, char *str) { #ifdef __SIZEOF_INT128__ - __int128 i = 0xffffffffffffffff; + unsigned __int128 i = 0xffffffffffffffff; /* this dance is required because we cannot directly initialize * a 128-bit value to anything larger than a 64-bit value. |