diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/refcounted_kptr_fail.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/refcounted_kptr_fail.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/progs/refcounted_kptr_fail.c b/tools/testing/selftests/bpf/progs/refcounted_kptr_fail.c index 1ef07f6ee580..836c8ab7b908 100644 --- a/tools/testing/selftests/bpf/progs/refcounted_kptr_fail.c +++ b/tools/testing/selftests/bpf/progs/refcounted_kptr_fail.c @@ -32,7 +32,7 @@ static bool less(struct bpf_rb_node *a, const struct bpf_rb_node *b) } SEC("?tc") -__failure __msg("Unreleased reference id=4 alloc_insn=21") +__failure __msg("Unreleased reference id=4 alloc_insn={{[0-9]+}}") long rbtree_refcounted_node_ref_escapes(void *ctx) { struct node_acquire *n, *m; @@ -54,7 +54,26 @@ long rbtree_refcounted_node_ref_escapes(void *ctx) } SEC("?tc") -__failure __msg("Unreleased reference id=3 alloc_insn=9") +__failure __msg("Possibly NULL pointer passed to trusted arg0") +long refcount_acquire_maybe_null(void *ctx) +{ + struct node_acquire *n, *m; + + n = bpf_obj_new(typeof(*n)); + /* Intentionally not testing !n + * it's MAYBE_NULL for refcount_acquire + */ + m = bpf_refcount_acquire(n); + if (m) + bpf_obj_drop(m); + if (n) + bpf_obj_drop(n); + + return 0; +} + +SEC("?tc") +__failure __msg("Unreleased reference id=3 alloc_insn={{[0-9]+}}") long rbtree_refcounted_node_ref_escapes_owning_input(void *ctx) { struct node_acquire *n, *m; |