bpf: Fix kprobe_multi cookies access in show_fdinfo callback

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We don't check if cookies are available on the kprobe_multi link
before accessing them in show_fdinfo callback, we should.

Cc: stable@vger.kernel.org
Fixes: da7e9c0a7f ("bpf: Add show_fdinfo for kprobe_multi")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20260225111249.186230-1-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Jiri Olsa 2026-02-25 12:12:49 +01:00 • committed by Alexei Starovoitov

parent ef06fd16d4

commit ad6fface76

1 changed files with 3 additions and 1 deletions

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kernel/trace/bpf_trace.c

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