moar mutations
This commit is contained in:
Andrea Fioraldi
parent
df901d37cf
commit
cd191edb80
@ -30,6 +30,43 @@ where
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fn add_mutation(&mut self, mutation: MutationFunction<Self, C, I, R>);
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}
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const ARITH_MAX: u64 = 35;
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const INTERESTING_8: [i8; 9] = [-128, -1, 0, 1, 16, 32, 64, 100, 127];
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const INTERESTING_16: [i16; 19] = [-128, -1, 0, 1, 16, 32, 64, 100, 127, -32768, -129, 128, 255, 256, 512, 1000, 1024, 4096, 32767];
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const INTERESTING_32: [i32; 27] = [-128, -1, 0, 1, 16, 32, 64, 100, 127, -32768, -129, 128, 255, 256, 512, 1000, 1024, 4096, 32767, -2147483648, -100663046, -32769, 32768, 65535, 65536, 100663045, 2147483647];
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fn self_mem_move(data: &mut [u8], from: usize, to: usize, len: usize) {
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debug_assert!(from + len <= data.len());
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debug_assert!(to + len <= data.len());
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let ptr = data.as_mut_ptr();
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unsafe {
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core::ptr::copy(ptr.offset(from as isize),
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ptr.offset(to as isize),
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len)
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}
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}
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fn mem_move(dst: &mut [u8], src: &[u8], from: usize, to: usize, len: usize) {
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debug_assert!(from + len <= src.len());
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debug_assert!(to + len <= dst.len());
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let dst_ptr = dst.as_mut_ptr();
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let src_ptr = src.as_ptr();
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unsafe {
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core::ptr::copy(src_ptr.offset(from as isize),
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dst_ptr.offset(to as isize),
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len)
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}
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}
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fn mem_set(data: &mut [u8], from: usize, len: usize, val: u8) {
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debug_assert!(from + len <= data.len());
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let ptr = data.as_mut_ptr();
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unsafe {
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core::ptr::write_bytes(ptr.offset(from as isize), val, len)
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}
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}
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/// Bitflip mutation for inputs with a bytes vector
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pub fn mutation_bitflip<M, C, I, R>(
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_mutator: &mut M,
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@ -151,25 +188,236 @@ where
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}
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}
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/*
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pub fn mutation_bytesexpand<M, C, I, R>(
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mutator: &mut M,
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pub fn mutation_byterand<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R> + HasMaxSize,
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let len = rand.below(mutator.max_size() as u64) as usize;
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Ok(MutationResult::Mutated)
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if input.bytes().len() == 0 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64) as usize;
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unsafe {
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// moar speed, no bound check
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*input.bytes_mut().get_unchecked_mut(idx) = rand.below(256) as u8;
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_byteadd<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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unsafe {
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// moar speed, no bound check
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let ptr = input.bytes_mut().get_unchecked_mut(idx) as *mut u8;
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let num = 1 + rand.below(ARITH_MAX) as u8;
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match rand.below(2) {
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0 => *ptr += num,
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_ => *ptr -= num,
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};
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_wordadd<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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unsafe {
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// moar speed, no bound check
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let ptr = input.bytes_mut().get_unchecked_mut(idx) as *mut _ as *mut u16;
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let num = 1 + rand.below(ARITH_MAX) as u16;
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match rand.below(4) {
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0 => *ptr += num,
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1 => *ptr -= num,
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2 => *ptr = ((*ptr).swap_bytes() + num).swap_bytes(),
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_ => *ptr = ((*ptr).swap_bytes() - num).swap_bytes(),
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};
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_dwordadd<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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unsafe {
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// moar speed, no bound check
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let ptr = input.bytes_mut().get_unchecked_mut(idx) as *mut _ as *mut u32;
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let num = 1 + rand.below(ARITH_MAX) as u32;
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match rand.below(4) {
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0 => *ptr += num,
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1 => *ptr -= num,
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2 => *ptr = ((*ptr).swap_bytes() + num).swap_bytes(),
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_ => *ptr = ((*ptr).swap_bytes() - num).swap_bytes(),
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};
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_qwordadd<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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unsafe {
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// moar speed, no bound check
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let ptr = input.bytes_mut().get_unchecked_mut(idx) as *mut _ as *mut u64;
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let num = 1 + rand.below(ARITH_MAX) as u64;
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match rand.below(4) {
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0 => *ptr += num,
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1 => *ptr -= num,
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2 => *ptr = ((*ptr).swap_bytes() + num).swap_bytes(),
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_ => *ptr = ((*ptr).swap_bytes() - num).swap_bytes(),
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};
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_byteinteresting<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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let val = INTERESTING_8[rand.below(INTERESTING_8.len() as u64) as usize] as u8;
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unsafe {
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// moar speed, no bound check
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*input.bytes_mut().get_unchecked_mut(idx) = val;
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_wordinteresting<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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let val = INTERESTING_16[rand.below(INTERESTING_8.len() as u64) as usize] as u16;
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unsafe {
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// moar speed, no bound check
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let ptr = input.bytes_mut().get_unchecked_mut(idx) as *mut _ as *mut u16;
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if rand.below(2) == 0 {
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*ptr = val;
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} else {
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*ptr = val.swap_bytes();
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}
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}
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Ok(MutationResult::Mutated)
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}
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}
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pub fn mutation_dwordinteresting<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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if input.bytes().len() <= 1 {
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Ok(MutationResult::Skipped)
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} else {
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let idx = rand.below(input.bytes().len() as u64 -1) as usize;
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let val = INTERESTING_32[rand.below(INTERESTING_8.len() as u64) as usize] as u32;
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unsafe {
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// moar speed, no bound check
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let ptr = input.bytes_mut().get_unchecked_mut(idx) as *mut _ as *mut u32;
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if rand.below(2) == 0 {
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*ptr = val;
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} else {
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*ptr = val.swap_bytes();
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}
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}
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Ok(MutationResult::Mutated)
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}
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}
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*/
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pub fn mutation_bytesdelete<M, C, I, R>(
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_mutator: &mut M,
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@ -195,6 +443,187 @@ where
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytesexpand<M, C, I, R>(
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mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R> + HasMaxSize,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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let off = if size == 0 {
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0
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} else {
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rand.below(size as u64 -1)
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} as usize;
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let len = rand.below(core::cmp::min(16, mutator.max_size() as u64)) as usize;
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input.bytes_mut().resize(size + len, 0);
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self_mem_move(input.bytes_mut(), off, off + len, len);
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytesinsert<M, C, I, R>(
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mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R> + HasMaxSize,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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let off = if size == 0 {
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0
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} else {
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rand.below(size as u64 -1)
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} as usize;
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let len = rand.below(core::cmp::min(16, mutator.max_size() as u64)) as usize;
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let val = input.bytes()[rand.below(size as u64) as usize];
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input.bytes_mut().resize(size + len, 0);
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self_mem_move(input.bytes_mut(), off, off + len, len);
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mem_set(input.bytes_mut(), off, len, val);
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytesrandinsert<M, C, I, R>(
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mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R> + HasMaxSize,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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let off = if size == 0 {
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0
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} else {
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rand.below(size as u64 -1)
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} as usize;
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let len = rand.below(core::cmp::min(16, mutator.max_size() as u64)) as usize;
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let val = rand.below(256) as u8;
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input.bytes_mut().resize(size + len, 0);
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self_mem_move(input.bytes_mut(), off, off + len, len);
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mem_set(input.bytes_mut(), off, len, val);
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytesset<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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if size == 0 {
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return Ok(MutationResult::Skipped);
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}
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let val = input.bytes()[rand.below(size as u64) as usize];
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let start = if size == 1 { 0 } else { rand.below(size as u64 -1) as usize };
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let end = rand.below((size - start) as u64) as usize;
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mem_set(input.bytes_mut(), start, end - start, val);
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytesrandset<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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if size == 0 {
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return Ok(MutationResult::Skipped);
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}
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let val = rand.below(256) as u8;
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let start = if size == 1 { 0 } else { rand.below(size as u64 -1) as usize };
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let end = rand.below((size - start) as u64) as usize;
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mem_set(input.bytes_mut(), start, end - start, val);
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytescopy<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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if size <= 1 {
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return Ok(MutationResult::Skipped);
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}
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let from = rand.below(input.bytes().len() as u64 -1) as usize;
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let to = rand.below(input.bytes().len() as u64 -1) as usize;
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let len = rand.below((size - core::cmp::max(from, to)) as u64) as usize;
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self_mem_move(input.bytes_mut(), from, to, len);
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Ok(MutationResult::Mutated)
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}
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pub fn mutation_bytesswap<M, C, I, R>(
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_mutator: &mut M,
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rand: &mut R,
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_corpus: &C,
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input: &mut I,
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) -> Result<MutationResult, AflError>
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where
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M: Mutator<C, I, R>,
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C: Corpus<I, R>,
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I: Input + HasBytesVec,
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R: Rand,
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{
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let size = input.bytes().len();
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if size <= 1 {
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return Ok(MutationResult::Skipped);
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}
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let first = rand.below(input.bytes().len() as u64 -1) as usize;
|
||||
let second = rand.below(input.bytes().len() as u64 -1) as usize;
|
||||
let len = rand.below((size - core::cmp::max(first, second)) as u64) as usize;
|
||||
|
||||
let tmp = input.bytes()[first..len].to_vec();
|
||||
self_mem_move(input.bytes_mut(), second, first, len);
|
||||
mem_move(input.bytes_mut(), &tmp, 0, second, len);
|
||||
Ok(MutationResult::Mutated)
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// Returns the first and last diff position between the given vectors, stopping at the min len
|
||||
fn locate_diffs(this: &[u8], other: &[u8]) -> (i64, i64) {
|
||||
let mut first_diff: i64 = -1;
|
||||
|
||||
@ -207,25 +207,32 @@ where
|
||||
scheduled.add_mutation(mutation_byteinc);
|
||||
scheduled.add_mutation(mutation_bytedec);
|
||||
scheduled.add_mutation(mutation_byteneg);
|
||||
scheduled.add_mutation(mutation_byterand);
|
||||
|
||||
//scheduled.add_mutation(mutation_bytesexpand);
|
||||
//scheduled.add_mutation(mutation_bytesdelete);
|
||||
//scheduled.add_mutation(mutation_bytesdelete);
|
||||
//scheduled.add_mutation(mutation_bytesdelete);
|
||||
//scheduled.add_mutation(mutation_bytesdelete);
|
||||
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_byteadd);
|
||||
scheduled.add_mutation(mutation_wordadd);
|
||||
scheduled.add_mutation(mutation_dwordadd);
|
||||
scheduled.add_mutation(mutation_qwordadd);
|
||||
scheduled.add_mutation(mutation_byteinteresting);
|
||||
scheduled.add_mutation(mutation_wordinteresting);
|
||||
scheduled.add_mutation(mutation_dwordinteresting);
|
||||
|
||||
scheduled.add_mutation(mutation_bytesdelete);
|
||||
scheduled.add_mutation(mutation_bytesdelete);
|
||||
scheduled.add_mutation(mutation_bytesdelete);
|
||||
scheduled.add_mutation(mutation_bytesdelete);
|
||||
scheduled.add_mutation(mutation_bytesexpand);
|
||||
scheduled.add_mutation(mutation_bytesinsert);
|
||||
scheduled.add_mutation(mutation_bytesrandinsert);
|
||||
scheduled.add_mutation(mutation_bytesset);
|
||||
scheduled.add_mutation(mutation_bytesrandset);
|
||||
scheduled.add_mutation(mutation_bytescopy);
|
||||
scheduled.add_mutation(mutation_bytesswap);
|
||||
|
||||
// TODO dictionary and custom dictionary (redqueen etc.)
|
||||
/*scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);
|
||||
scheduled.add_mutation(mutation_bitflip);*/
|
||||
|
||||
scheduled.add_mutation(mutation_splice);
|
||||
HavocBytesMutator {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user