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Diffstat (limited to 'tools/testing/selftests/bpf/progs/linked_list_fail.c')
-rw-r--r--tools/testing/selftests/bpf/progs/linked_list_fail.c96
1 files changed, 51 insertions, 45 deletions
diff --git a/tools/testing/selftests/bpf/progs/linked_list_fail.c b/tools/testing/selftests/bpf/progs/linked_list_fail.c
index 41978b46f58e..f4c63daba229 100644
--- a/tools/testing/selftests/bpf/progs/linked_list_fail.c
+++ b/tools/testing/selftests/bpf/progs/linked_list_fail.c
@@ -73,22 +73,21 @@ CHECK(inner_map, pop_back, &iv->head);
int test##_missing_lock_##op(void *ctx) \
{ \
INIT; \
- void (*p)(void *, void *) = (void *)&bpf_list_##op; \
- p(hexpr, nexpr); \
+ bpf_list_##op(hexpr, nexpr); \
return 0; \
}
-CHECK(kptr, push_front, &f->head, b);
-CHECK(kptr, push_back, &f->head, b);
+CHECK(kptr, push_front, &f->head, &b->node);
+CHECK(kptr, push_back, &f->head, &b->node);
-CHECK(global, push_front, &ghead, f);
-CHECK(global, push_back, &ghead, f);
+CHECK(global, push_front, &ghead, &f->node2);
+CHECK(global, push_back, &ghead, &f->node2);
-CHECK(map, push_front, &v->head, f);
-CHECK(map, push_back, &v->head, f);
+CHECK(map, push_front, &v->head, &f->node2);
+CHECK(map, push_back, &v->head, &f->node2);
-CHECK(inner_map, push_front, &iv->head, f);
-CHECK(inner_map, push_back, &iv->head, f);
+CHECK(inner_map, push_front, &iv->head, &f->node2);
+CHECK(inner_map, push_back, &iv->head, &f->node2);
#undef CHECK
@@ -135,32 +134,31 @@ CHECK_OP(pop_back);
int test##_incorrect_lock_##op(void *ctx) \
{ \
INIT; \
- void (*p)(void *, void*) = (void *)&bpf_list_##op; \
bpf_spin_lock(lexpr); \
- p(hexpr, nexpr); \
+ bpf_list_##op(hexpr, nexpr); \
return 0; \
}
#define CHECK_OP(op) \
- CHECK(kptr_kptr, op, &f1->lock, &f2->head, b); \
- CHECK(kptr_global, op, &f1->lock, &ghead, f); \
- CHECK(kptr_map, op, &f1->lock, &v->head, f); \
- CHECK(kptr_inner_map, op, &f1->lock, &iv->head, f); \
+ CHECK(kptr_kptr, op, &f1->lock, &f2->head, &b->node); \
+ CHECK(kptr_global, op, &f1->lock, &ghead, &f->node2); \
+ CHECK(kptr_map, op, &f1->lock, &v->head, &f->node2); \
+ CHECK(kptr_inner_map, op, &f1->lock, &iv->head, &f->node2); \
\
- CHECK(global_global, op, &glock2, &ghead, f); \
- CHECK(global_kptr, op, &glock, &f1->head, b); \
- CHECK(global_map, op, &glock, &v->head, f); \
- CHECK(global_inner_map, op, &glock, &iv->head, f); \
+ CHECK(global_global, op, &glock2, &ghead, &f->node2); \
+ CHECK(global_kptr, op, &glock, &f1->head, &b->node); \
+ CHECK(global_map, op, &glock, &v->head, &f->node2); \
+ CHECK(global_inner_map, op, &glock, &iv->head, &f->node2); \
\
- CHECK(map_map, op, &v->lock, &v2->head, f); \
- CHECK(map_kptr, op, &v->lock, &f2->head, b); \
- CHECK(map_global, op, &v->lock, &ghead, f); \
- CHECK(map_inner_map, op, &v->lock, &iv->head, f); \
+ CHECK(map_map, op, &v->lock, &v2->head, &f->node2); \
+ CHECK(map_kptr, op, &v->lock, &f2->head, &b->node); \
+ CHECK(map_global, op, &v->lock, &ghead, &f->node2); \
+ CHECK(map_inner_map, op, &v->lock, &iv->head, &f->node2); \
\
- CHECK(inner_map_inner_map, op, &iv->lock, &iv2->head, f); \
- CHECK(inner_map_kptr, op, &iv->lock, &f2->head, b); \
- CHECK(inner_map_global, op, &iv->lock, &ghead, f); \
- CHECK(inner_map_map, op, &iv->lock, &v->head, f);
+ CHECK(inner_map_inner_map, op, &iv->lock, &iv2->head, &f->node2);\
+ CHECK(inner_map_kptr, op, &iv->lock, &f2->head, &b->node); \
+ CHECK(inner_map_global, op, &iv->lock, &ghead, &f->node2); \
+ CHECK(inner_map_map, op, &iv->lock, &v->head, &f->node2);
CHECK_OP(push_front);
CHECK_OP(push_back);
@@ -340,7 +338,7 @@ int direct_read_node(void *ctx)
f = bpf_obj_new(typeof(*f));
if (!f)
return 0;
- return *(int *)&f->node;
+ return *(int *)&f->node2;
}
SEC("?tc")
@@ -351,12 +349,12 @@ int direct_write_node(void *ctx)
f = bpf_obj_new(typeof(*f));
if (!f)
return 0;
- *(int *)&f->node = 0;
+ *(int *)&f->node2 = 0;
return 0;
}
static __always_inline
-int use_after_unlock(void (*op)(void *head, void *node))
+int use_after_unlock(bool push_front)
{
struct foo *f;
@@ -365,7 +363,10 @@ int use_after_unlock(void (*op)(void *head, void *node))
return 0;
bpf_spin_lock(&glock);
f->data = 42;
- op(&ghead, &f->node);
+ if (push_front)
+ bpf_list_push_front(&ghead, &f->node2);
+ else
+ bpf_list_push_back(&ghead, &f->node2);
bpf_spin_unlock(&glock);
return f->data;
@@ -374,17 +375,17 @@ int use_after_unlock(void (*op)(void *head, void *node))
SEC("?tc")
int use_after_unlock_push_front(void *ctx)
{
- return use_after_unlock((void *)bpf_list_push_front);
+ return use_after_unlock(true);
}
SEC("?tc")
int use_after_unlock_push_back(void *ctx)
{
- return use_after_unlock((void *)bpf_list_push_back);
+ return use_after_unlock(false);
}
static __always_inline
-int list_double_add(void (*op)(void *head, void *node))
+int list_double_add(bool push_front)
{
struct foo *f;
@@ -392,8 +393,13 @@ int list_double_add(void (*op)(void *head, void *node))
if (!f)
return 0;
bpf_spin_lock(&glock);
- op(&ghead, &f->node);
- op(&ghead, &f->node);
+ if (push_front) {
+ bpf_list_push_front(&ghead, &f->node2);
+ bpf_list_push_front(&ghead, &f->node2);
+ } else {
+ bpf_list_push_back(&ghead, &f->node2);
+ bpf_list_push_back(&ghead, &f->node2);
+ }
bpf_spin_unlock(&glock);
return 0;
@@ -402,13 +408,13 @@ int list_double_add(void (*op)(void *head, void *node))
SEC("?tc")
int double_push_front(void *ctx)
{
- return list_double_add((void *)bpf_list_push_front);
+ return list_double_add(true);
}
SEC("?tc")
int double_push_back(void *ctx)
{
- return list_double_add((void *)bpf_list_push_back);
+ return list_double_add(false);
}
SEC("?tc")
@@ -450,7 +456,7 @@ int incorrect_node_var_off(struct __sk_buff *ctx)
if (!f)
return 0;
bpf_spin_lock(&glock);
- bpf_list_push_front(&ghead, (void *)&f->node + ctx->protocol);
+ bpf_list_push_front(&ghead, (void *)&f->node2 + ctx->protocol);
bpf_spin_unlock(&glock);
return 0;
@@ -465,7 +471,7 @@ int incorrect_node_off1(void *ctx)
if (!f)
return 0;
bpf_spin_lock(&glock);
- bpf_list_push_front(&ghead, (void *)&f->node + 1);
+ bpf_list_push_front(&ghead, (void *)&f->node2 + 1);
bpf_spin_unlock(&glock);
return 0;
@@ -480,7 +486,7 @@ int incorrect_node_off2(void *ctx)
if (!f)
return 0;
bpf_spin_lock(&glock);
- bpf_list_push_front(&ghead, &f->node2);
+ bpf_list_push_front(&ghead, &f->node);
bpf_spin_unlock(&glock);
return 0;
@@ -510,7 +516,7 @@ int incorrect_head_var_off1(struct __sk_buff *ctx)
if (!f)
return 0;
bpf_spin_lock(&glock);
- bpf_list_push_front((void *)&ghead + ctx->protocol, &f->node);
+ bpf_list_push_front((void *)&ghead + ctx->protocol, &f->node2);
bpf_spin_unlock(&glock);
return 0;
@@ -525,7 +531,7 @@ int incorrect_head_var_off2(struct __sk_buff *ctx)
if (!f)
return 0;
bpf_spin_lock(&glock);
- bpf_list_push_front((void *)&f->head + ctx->protocol, &f->node);
+ bpf_list_push_front((void *)&f->head + ctx->protocol, &f->node2);
bpf_spin_unlock(&glock);
return 0;
@@ -563,7 +569,7 @@ int incorrect_head_off2(void *ctx)
return 0;
bpf_spin_lock(&glock);
- bpf_list_push_front((void *)&ghead + 1, &f->node);
+ bpf_list_push_front((void *)&ghead + 1, &f->node2);
bpf_spin_unlock(&glock);
return 0;
generated by cgit (git 2.34.1) at 2024-06-22 22:21:11 +0000