GHSA-f7qj-v3vp-4856: libafl has unsound usages of `core::slice::from_raw_parts_mut`
The library breaks the safety assumptions when using unsafe API slice::from_raw_parts_mut. The pointer passed to from_raw_parts_mut is misaligned by casting u8 to u16 raw pointer directly, which is unsound. The bug is patched by using align_offset, which could make sure the memory address is aligned to 2 bytes for u16.
References
- github.com/AFLplusplus/LibAFL
- github.com/AFLplusplus/LibAFL/commit/f70a16a09a8096d3c50159dd8a912a75c2af157c
- github.com/AFLplusplus/LibAFL/issues/1526
- github.com/AFLplusplus/LibAFL/pull/1530
- github.com/AFLplusplus/LibAFL/pull/1530/commits/5a60cb31ef587d71d09d534bba39bd3973c4b35d
- github.com/advisories/GHSA-f7qj-v3vp-4856
- rustsec.org/advisories/RUSTSEC-2024-0424.html
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