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authorLinus Torvalds <torvalds@linux-foundation.org>2025-12-03 16:54:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2025-12-03 16:54:54 -0800
commit015e7b0b0e8e51f7321ec2aafc1d7fc0a8a5536f (patch)
tree258f719e59946c733dd03198eba404e85f9d0945 /tools/testing/selftests/bpf/test_loader.c
parentb6d993310a65b994f37e3347419d9ed398ee37a3 (diff)
parentff34657aa72a4dab9c2fd38e1b31a506951f4b1c (diff)
Merge tag 'bpf-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov: - Convert selftests/bpf/test_tc_edt and test_tc_tunnel from .sh to test_progs runner (Alexis Lothoré) - Convert selftests/bpf/test_xsk to test_progs runner (Bastien Curutchet) - Replace bpf memory allocator with kmalloc_nolock() in bpf_local_storage (Amery Hung), and in bpf streams and range tree (Puranjay Mohan) - Introduce support for indirect jumps in BPF verifier and x86 JIT (Anton Protopopov) and arm64 JIT (Puranjay Mohan) - Remove runqslower bpf tool (Hoyeon Lee) - Fix corner cases in the verifier to close several syzbot reports (Eduard Zingerman, KaFai Wan) - Several improvements in deadlock detection in rqspinlock (Kumar Kartikeya Dwivedi) - Implement "jmp" mode for BPF trampoline and corresponding DYNAMIC_FTRACE_WITH_JMP. It improves "fexit" program type performance from 80 M/s to 136 M/s. With Steven's Ack. (Menglong Dong) - Add ability to test non-linear skbs in BPF_PROG_TEST_RUN (Paul Chaignon) - Do not let BPF_PROG_TEST_RUN emit invalid GSO types to stack (Daniel Borkmann) - Generalize buildid reader into bpf_dynptr (Mykyta Yatsenko) - Optimize bpf_map_update_elem() for map-in-map types (Ritesh Oedayrajsingh Varma) - Introduce overwrite mode for BPF ring buffer (Xu Kuohai) * tag 'bpf-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (169 commits) bpf: optimize bpf_map_update_elem() for map-in-map types bpf: make kprobe_multi_link_prog_run always_inline selftests/bpf: do not hardcode target rate in test_tc_edt BPF program selftests/bpf: remove test_tc_edt.sh selftests/bpf: integrate test_tc_edt into test_progs selftests/bpf: rename test_tc_edt.bpf.c section to expose program type selftests/bpf: Add success stats to rqspinlock stress test rqspinlock: Precede non-head waiter queueing with AA check rqspinlock: Disable spinning for trylock fallback rqspinlock: Use trylock fallback when per-CPU rqnode is busy rqspinlock: Perform AA checks immediately rqspinlock: Enclose lock/unlock within lock entry acquisitions bpf: Remove runqslower tool selftests/bpf: Remove usage of lsm/file_alloc_security in selftest bpf: Disable file_alloc_security hook bpf: check for insn arrays in check_ptr_alignment bpf: force BPF_F_RDONLY_PROG on insn array creation bpf: Fix exclusive map memory leak selftests/bpf: Make CS length configurable for rqspinlock stress test selftests/bpf: Add lock wait time stats to rqspinlock stress test ...
Diffstat (limited to 'tools/testing/selftests/bpf/test_loader.c')
-rw-r--r--tools/testing/selftests/bpf/test_loader.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/test_loader.c b/tools/testing/selftests/bpf/test_loader.c
index 74ecc281bb8c..338c035c3688 100644
--- a/tools/testing/selftests/bpf/test_loader.c
+++ b/tools/testing/selftests/bpf/test_loader.c
@@ -43,6 +43,7 @@
#define TEST_TAG_EXPECT_STDERR_PFX_UNPRIV "comment:test_expect_stderr_unpriv="
#define TEST_TAG_EXPECT_STDOUT_PFX "comment:test_expect_stdout="
#define TEST_TAG_EXPECT_STDOUT_PFX_UNPRIV "comment:test_expect_stdout_unpriv="
+#define TEST_TAG_LINEAR_SIZE "comment:test_linear_size="
/* Warning: duplicated in bpf_misc.h */
#define POINTER_VALUE 0xbadcafe
@@ -89,6 +90,7 @@ struct test_spec {
int mode_mask;
int arch_mask;
int load_mask;
+ int linear_sz;
bool auxiliary;
bool valid;
};
@@ -633,6 +635,21 @@ static int parse_test_spec(struct test_loader *tester,
&spec->unpriv.stdout);
if (err)
goto cleanup;
+ } else if (str_has_pfx(s, TEST_TAG_LINEAR_SIZE)) {
+ switch (bpf_program__type(prog)) {
+ case BPF_PROG_TYPE_SCHED_ACT:
+ case BPF_PROG_TYPE_SCHED_CLS:
+ case BPF_PROG_TYPE_CGROUP_SKB:
+ val = s + sizeof(TEST_TAG_LINEAR_SIZE) - 1;
+ err = parse_int(val, &spec->linear_sz, "test linear size");
+ if (err)
+ goto cleanup;
+ break;
+ default:
+ PRINT_FAIL("__linear_size for unsupported program type");
+ err = -EINVAL;
+ goto cleanup;
+ }
}
}
@@ -1007,10 +1024,11 @@ static bool is_unpriv_capable_map(struct bpf_map *map)
}
}
-static int do_prog_test_run(int fd_prog, int *retval, bool empty_opts)
+static int do_prog_test_run(int fd_prog, int *retval, bool empty_opts, int linear_sz)
{
__u8 tmp_out[TEST_DATA_LEN << 2] = {};
__u8 tmp_in[TEST_DATA_LEN] = {};
+ struct __sk_buff ctx = {};
int err, saved_errno;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = tmp_in,
@@ -1020,6 +1038,12 @@ static int do_prog_test_run(int fd_prog, int *retval, bool empty_opts)
.repeat = 1,
);
+ if (linear_sz) {
+ ctx.data_end = linear_sz;
+ topts.ctx_in = &ctx;
+ topts.ctx_size_in = sizeof(ctx);
+ }
+
if (empty_opts) {
memset(&topts, 0, sizeof(struct bpf_test_run_opts));
topts.sz = sizeof(struct bpf_test_run_opts);
@@ -1269,7 +1293,8 @@ void run_subtest(struct test_loader *tester,
}
err = do_prog_test_run(bpf_program__fd(tprog), &retval,
- bpf_program__type(tprog) == BPF_PROG_TYPE_SYSCALL ? true : false);
+ bpf_program__type(tprog) == BPF_PROG_TYPE_SYSCALL ? true : false,
+ spec->linear_sz);
if (!err && retval != subspec->retval && subspec->retval != POINTER_VALUE) {
PRINT_FAIL("Unexpected retval: %d != %d\n", retval, subspec->retval);
goto tobj_cleanup;