bpf: print full verifier states on infinite loop detection

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commit b4d8239534 upstream.

Additional logging in is_state_visited(): if infinite loop is detected
print full verifier state for both current and equivalent states.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20231024000917.12153-8-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Eduard Zingerman 2023-10-24 03:09:17 +03:00 • committed by Greg Kroah-Hartman

parent 00808be797

commit ae5e9c3ced

1 changed files with 4 additions and 0 deletions

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kernel/bpf/verifier.c

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