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bpf: add missing fsession to the verifier log

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The fsession attach type is missed in the verifier log in
check_get_func_ip(), bpf_check_attach_target() and check_attach_btf_id().
Update them to make the verifier log proper. Meanwhile, update the
corresponding selftests.

Acked-by: Leon Hwang <leon.hwang@linux.dev>
Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Link: https://lore.kernel.org/r/20260412060346.142007-2-dongml2@chinatelecom.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Menglong Dong
2026-04-12 14:03:44 +08:00
committed by Alexei Starovoitov
parent 46ffc1f782
commit 9fd19e3ed7
3 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tools/testing/selftests/bpf/prog_tests/exceptions.c
View File

@@ -128,7 +128,7 @@ static void test_exceptions_success(void)
bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
"exception_cb_mod"), "set_attach_target"))
goto done;
}), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
}), "Tracing programs cannot attach to exception callback", 0);
if (test__start_subtest("throwing fentry -> exception_cb"))
RUN_EXT(-EINVAL, true, ({
@@ -138,7 +138,7 @@ static void test_exceptions_success(void)
bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
"exception_cb_mod"), "set_attach_target"))
goto done;
}), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
}), "Tracing programs cannot attach to exception callback", 0);
if (test__start_subtest("non-throwing fexit -> exception_cb"))
RUN_EXT(-EINVAL, true, ({
@@ -148,7 +148,7 @@ static void test_exceptions_success(void)
bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
"exception_cb_mod"), "set_attach_target"))
goto done;
}), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
}), "Tracing programs cannot attach to exception callback", 0);
if (test__start_subtest("throwing fexit -> exception_cb"))
RUN_EXT(-EINVAL, true, ({
@@ -158,7 +158,7 @@ static void test_exceptions_success(void)
bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
"exception_cb_mod"), "set_attach_target"))
goto done;
}), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
}), "Tracing programs cannot attach to exception callback", 0);
if (test__start_subtest("throwing extension (with custom cb) -> exception_cb"))
RUN_EXT(-EINVAL, true, ({

2
tools/testing/selftests/bpf/verifier/sleepable.c
View File

@@ -85,7 +85,7 @@
.expected_attach_type = BPF_TRACE_RAW_TP,
.kfunc = "sched_switch",
.result = REJECT,
.errstr = "Only fentry/fexit/fmod_ret, lsm, iter, uprobe, and struct_ops programs can be sleepable",
.errstr = "Only fentry/fexit/fsession/fmod_ret, lsm, iter, uprobe, and struct_ops programs can be sleepable",
.flags = BPF_F_SLEEPABLE,
.runs = -1,
},