diff options
| -rw-r--r-- | net/bpf/test_run.c | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/verifier.c | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/progs/verifier_typedef.c | 23 |
3 files changed, 29 insertions, 0 deletions
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 2321bd2f9964..63b11f7a5392 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -555,6 +555,10 @@ __bpf_kfunc u32 bpf_fentry_test9(u32 *a) return *a; } +void noinline bpf_fentry_test_sinfo(struct skb_shared_info *sinfo) +{ +} + __bpf_kfunc int bpf_modify_return_test(int a, int *b) { *b += 1; diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c index 070a13833c3f..c375e59ff28d 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -58,6 +58,7 @@ #include "verifier_stack_ptr.skel.h" #include "verifier_subprog_precision.skel.h" #include "verifier_subreg.skel.h" +#include "verifier_typedef.skel.h" #include "verifier_uninit.skel.h" #include "verifier_unpriv.skel.h" #include "verifier_unpriv_perf.skel.h" @@ -159,6 +160,7 @@ void test_verifier_spin_lock(void) { RUN(verifier_spin_lock); } void test_verifier_stack_ptr(void) { RUN(verifier_stack_ptr); } void test_verifier_subprog_precision(void) { RUN(verifier_subprog_precision); } void test_verifier_subreg(void) { RUN(verifier_subreg); } +void test_verifier_typedef(void) { RUN(verifier_typedef); } void test_verifier_uninit(void) { RUN(verifier_uninit); } void test_verifier_unpriv(void) { RUN(verifier_unpriv); } void test_verifier_unpriv_perf(void) { RUN(verifier_unpriv_perf); } diff --git a/tools/testing/selftests/bpf/progs/verifier_typedef.c b/tools/testing/selftests/bpf/progs/verifier_typedef.c new file mode 100644 index 000000000000..08481cfaac4b --- /dev/null +++ b/tools/testing/selftests/bpf/progs/verifier_typedef.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <vmlinux.h> +#include <bpf/bpf_helpers.h> +#include "bpf_misc.h" + +SEC("fentry/bpf_fentry_test_sinfo") +__description("typedef: resolve") +__success __retval(0) +__naked void resolve_typedef(void) +{ + asm volatile (" \ + r1 = *(u64 *)(r1 +0); \ + r2 = *(u64 *)(r1 +%[frags_offs]); \ + r0 = 0; \ + exit; \ +" : + : __imm_const(frags_offs, + offsetof(struct skb_shared_info, frags)) + : __clobber_all); +} + +char _license[] SEC("license") = "GPL"; |