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| author |   Alexei Starovoitov <ast@kernel.org> | 2024-03-27 09:32:25 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-03-27 09:56:43 -0700 |
| commit | a4e02d6b91c5e57f820032ec6ad794694c86f327 (patch) | |
| tree | bf6977a9ab0b8a0c54accee088371e52c6d6d08d /tools | |
| parent | bpf: fix warning for crash_kexec (diff) | |
| parent | bpf: Protect against int overflow for stack access size (diff) | |
| download | wireguard-linux-a4e02d6b91c5e57f820032ec6ad794694c86f327.tar.xz wireguard-linux-a4e02d6b91c5e57f820032ec6ad794694c86f327.zip | |
Merge branch 'check-bloom-filter-map-value-size'
Andrei Matei says:
====================
Check bloom filter map value size
v1->v2:
- prepend a patch addressing the bloom map specifically
- change low-level rejection error to EFAULT, to indicate a bug
====================
Link: https://lore.kernel.org/r/20240327024245.318299-1-andreimatei1@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c index 053f4d6da77a..cc184e4420f6 100644 --- a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c +++ b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c @@ -2,6 +2,7 @@ /* Copyright (c) 2021 Facebook */ #include <sys/syscall.h> +#include <limits.h> #include <test_progs.h> #include "bloom_filter_map.skel.h" @@ -21,6 +22,11 @@ static void test_fail_cases(void) if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid value size 0")) close(fd); + /* Invalid value size: too big */ + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, INT32_MAX, 100, NULL); + if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid value too large")) + close(fd); + /* Invalid max entries size */ fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 0, NULL); if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid max entries size")) |