Messages in this thread | | | From | Song Liu <> | Date | Wed, 17 Apr 2024 20:25:20 -0700 | Subject | Re: [PATCH bpf-next 16/18] selftests/bpf: add checks for bpf_wq_set_callback() |
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On Tue, Apr 16, 2024 at 7:11 AM Benjamin Tissoires <bentiss@kernel.org> wrote: [...]
> +SEC("?tc") > +__log_level(2) > +__failure > +/* check that the first argument of bpf_wq_set_callback() > + * is a correct bpf_wq pointer. > + */ > +__msg("mark_precise: frame0: regs=r1 stack= before")
This line and some other "mark_precise" lines are causing issues for test_progs-no_alu32 in the CI. I can reproduce it in my local tests.
I am not quite sure what is the best fix. Maybe we can just remove it.
Thanks, Song
> +__msg(": (85) call bpf_wq_set_callback_impl#") /* anchor message */ > +__msg("off 1 doesn't point to 'struct bpf_wq' that is at 0") > +long test_wrong_wq_pointer_offset(void *ctx) > +{ > + int key = 0; > + struct bpf_wq *wq; > + > + wq = bpf_map_lookup_elem(&array, &key); > + if (!wq) > + return 1; > + > + if (bpf_wq_init(wq, &array, 0)) > + return 2; > + > + if (bpf_wq_set_callback((void *)wq + 1, wq_cb_sleepable, 0)) > + return 3; > + > + return -22; > +} > > -- > 2.44.0 >
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