diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/user_ringbuf_fail.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/user_ringbuf_fail.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c b/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c index f3201dc69a60..03ee946c6bf7 100644 --- a/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c +++ b/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c @@ -16,6 +16,7 @@ struct sample { struct { __uint(type, BPF_MAP_TYPE_USER_RINGBUF); + __uint(max_entries, 4096); } user_ringbuf SEC(".maps"); struct { @@ -39,7 +40,8 @@ bad_access1(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to read before the pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("negative offset dynptr_ptr ptr") int user_ringbuf_callback_bad_access1(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, bad_access1, NULL, 0); @@ -61,7 +63,8 @@ bad_access2(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to read past the end of the pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("dereference of modified dynptr_ptr ptr") int user_ringbuf_callback_bad_access2(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, bad_access2, NULL, 0); @@ -80,7 +83,8 @@ write_forbidden(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to write to that pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("invalid mem access 'dynptr_ptr'") int user_ringbuf_callback_write_forbidden(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, write_forbidden, NULL, 0); @@ -99,7 +103,8 @@ null_context_write(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to write to that pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("invalid mem access 'scalar'") int user_ringbuf_callback_null_context_write(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, null_context_write, NULL, 0); @@ -120,7 +125,8 @@ null_context_read(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to write to that pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("invalid mem access 'scalar'") int user_ringbuf_callback_null_context_read(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, null_context_read, NULL, 0); @@ -139,7 +145,8 @@ try_discard_dynptr(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to read past the end of the pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("cannot release unowned const bpf_dynptr") int user_ringbuf_callback_discard_dynptr(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, try_discard_dynptr, NULL, 0); @@ -158,7 +165,8 @@ try_submit_dynptr(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to read past the end of the pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("cannot release unowned const bpf_dynptr") int user_ringbuf_callback_submit_dynptr(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, try_submit_dynptr, NULL, 0); @@ -175,7 +183,8 @@ invalid_drain_callback_return(struct bpf_dynptr *dynptr, void *context) /* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should * not be able to write to that pointer. */ -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("At callback return the register R0 has value") int user_ringbuf_callback_invalid_return(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, invalid_drain_callback_return, NULL, 0); @@ -197,14 +206,16 @@ try_reinit_dynptr_ringbuf(struct bpf_dynptr *dynptr, void *context) return 0; } -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("Dynptr has to be an uninitialized dynptr") int user_ringbuf_callback_reinit_dynptr_mem(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, try_reinit_dynptr_mem, NULL, 0); return 0; } -SEC("?raw_tp/") +SEC("?raw_tp") +__failure __msg("Dynptr has to be an uninitialized dynptr") int user_ringbuf_callback_reinit_dynptr_ringbuf(void *ctx) { bpf_user_ringbuf_drain(&user_ringbuf, try_reinit_dynptr_ringbuf, NULL, 0); |