bpf: Improve ctx access verifier error message

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We've already had two "error during ctx access conversion" warnings
triggered by syzkaller. Let's improve the error message by dumping the
cnt variable so that we can more easily differentiate between the
different error cases.

Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/cc94316c30dd76fae4a75a664b61a2dbfe68e205.1754039605.git.paul.chaignon@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Paul Chaignon 2025-08-01 11:49:15 +02:00 • committed by Alexei Starovoitov

parent 9e6448f7b1

commit f914876eec

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kernel/bpf/verifier.c

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