24 lines
712 B
Rust
24 lines
712 B
Rust
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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use esp_p4_eth::{zeroed_tx_descriptors, DescriptorError, TDesRing, BUF_SIZE, TX_DESC_COUNT};
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fuzz_target!(|data: &[u8]| {
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let mut descriptors = zeroed_tx_descriptors();
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let mut buffers = [[0u8; BUF_SIZE]; TX_DESC_COUNT];
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let mut ring = TDesRing::new(&mut descriptors, &mut buffers);
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match ring.transmit(data) {
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Ok(()) => {
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assert!(data.len() <= BUF_SIZE);
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}
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Err(DescriptorError::BufferTooLarge(_)) => {
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assert!(data.len() > BUF_SIZE);
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}
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Err(DescriptorError::RingFull) => {}
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Err(DescriptorError::NoFrame) => {}
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}
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assert!(ring.fuzz_current_index() < TX_DESC_COUNT);
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});
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