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projects/c-blosc2/arvo_25704/crash.log ADDED
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+ Accepting input from '/tmp/poc'
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+ Usage for fuzzing: honggfuzz -P [flags] -- /out/decompress_fuzzer
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+ =================================================================
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+ ==1643==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x772cb52c6001 at pc 0x00000053cd7c bp 0x7ffe7d516570 sp 0x7ffe7d516568
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+ READ of size 4 at 0x772cb52c6001 thread T0
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+ SCARINESS: 27 (4-byte-read-heap-buffer-overflow-far-from-bounds)
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+ #0 0x53cd7b in sw32_ /src/c-blosc2/blosc/blosc-private.h:44:13
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+ #1 0x53cd7b in blosc_d /src/c-blosc2/blosc/blosc2.c:1018:14
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+ #2 0x53288f in serial_blosc /src/c-blosc2/blosc/blosc2.c:1169:18
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+ #3 0x53288f in do_job /src/c-blosc2/blosc/blosc2.c:1328:15
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+ #4 0x5395c0 in blosc_run_decompression_with_context /src/c-blosc2/blosc/blosc2.c:2123:15
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+ #5 0x539ec4 in blosc2_decompress /src/c-blosc2/blosc/blosc2.c:2192:12
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+ #6 0x4d9bd3 in LLVMFuzzerTestOneInput /src/c-blosc2/tests/fuzz/fuzz_decompress.c:33:5
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+ #7 0x4da27b in main (/out/decompress_fuzzer+0x4da27b)
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+ #8 0x772cb43a883f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
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+ #9 0x42aec8 in _start (/out/decompress_fuzzer+0x42aec8)
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+
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+ DEDUP_TOKEN: sw32_--blosc_d--serial_blosc
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+ 0x772cb52c6001 is located 2047 bytes to the left of 1048576-byte region [0x772cb52c6800,0x772cb53c6800)
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+ allocated by thread T0 here:
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+ #0 0x4a745d in malloc /src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3
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+ #1 0x4dbf58 in util_Calloc (/out/decompress_fuzzer+0x4dbf58)
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+
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+ DEDUP_TOKEN: malloc--util_Calloc
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+ SUMMARY: AddressSanitizer: heap-buffer-overflow /src/c-blosc2/blosc/blosc-private.h:44:13 in sw32_
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+ Shadow bytes around the buggy address:
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+ 0x0ee616a50bb0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50bc0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50bd0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50be0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50bf0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ =>0x0ee616a50c00:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50c10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50c20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50c30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50c40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ 0x0ee616a50c50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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+ Shadow byte legend (one shadow byte represents 8 application bytes):
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+ Addressable: 00
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+ Partially addressable: 01 02 03 04 05 06 07
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+ Heap left redzone: fa
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+ Freed heap region: fd
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+ Stack left redzone: f1
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+ Stack mid redzone: f2
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+ Stack right redzone: f3
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+ Stack after return: f5
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+ Stack use after scope: f8
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+ Global redzone: f9
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+ Global init order: f6
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+ Poisoned by user: f7
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+ Container overflow: fc
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+ Array cookie: ac
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+ Intra object redzone: bb
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+ ASan internal: fe
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+ Left alloca redzone: ca
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+ Right alloca redzone: cb
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+ Shadow gap: cc
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+ ==1643==ABORTING
projects/c-blosc2/arvo_25704/poc.bin ADDED
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+ version https://git-lfs.github.com/spec/v1
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+ oid sha256:4a3ebef5da36e025695ac3fedfd1419ea58ef854d617023ad9ece281a46ecc8b
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+ size 42
projects/c-blosc2/arvo_25704/src.tgz ADDED
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+ version https://git-lfs.github.com/spec/v1
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+ oid sha256:ed43748145f5bf04c5c7f19ce5df60c94551567054abb3d8d27b2c65dade21a0
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+ size 67709490