On 7/9/26 3:01 AM, Alexis Lothoré (eBPF Foundation) wrote: > Add two simple helpers to allow checking whether KASAN for eBPF tests > should be executed: > - one helper to check if BPF_JIT_KASAN is enabled in kernel > configuration > - one helper to check if the kernel is running with kasan_multi_shot > (otherwise only the first test will be able to trigger a report) > > Signed-off-by: Alexis Lothoré (eBPF Foundation) <[email protected]> > --- > Changes in v5: > - add kasan_multi_shot helper > > Changes in v2: > - fix condition > --- > tools/testing/selftests/bpf/unpriv_helpers.c | 10 ++++++++++ > tools/testing/selftests/bpf/unpriv_helpers.h | 2 ++ > 2 files changed, 12 insertions(+) > > diff --git a/tools/testing/selftests/bpf/unpriv_helpers.c > b/tools/testing/selftests/bpf/unpriv_helpers.c > index f997d7ec8fd0..95be83937883 100644 > --- a/tools/testing/selftests/bpf/unpriv_helpers.c > +++ b/tools/testing/selftests/bpf/unpriv_helpers.c > @@ -142,3 +142,13 @@ bool get_unpriv_disabled(void) > } > return mitigations_off; > } > + > +bool get_kasan_jit_enabled(void) > +{ > + return config_contains("CONFIG_BPF_JIT_KASAN=y") == 1; > +} > + > +bool get_kasan_multi_shot_enabled(void) > +{ > + return cmdline_contains("kasan_multi_shot"); > +}
Acked-by: Ihor Solodrai <[email protected]> > diff --git a/tools/testing/selftests/bpf/unpriv_helpers.h > b/tools/testing/selftests/bpf/unpriv_helpers.h > index 151f67329665..a7ceb51577cd 100644 > --- a/tools/testing/selftests/bpf/unpriv_helpers.h > +++ b/tools/testing/selftests/bpf/unpriv_helpers.h > @@ -5,3 +5,5 @@ > #define UNPRIV_SYSCTL "kernel/unprivileged_bpf_disabled" > > bool get_unpriv_disabled(void); > +bool get_kasan_jit_enabled(void); > +bool get_kasan_multi_shot_enabled(void); >
