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…ed-value ==1==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0x59fa93 in deflate_medium zlib-ng/deflate_medium.c:259:21 madler#1 0x590905 in zng_deflate zlib-ng/deflate.c:951:18 madler#2 0x587095 in zng_compress2 zlib-ng/compress.c:59:15 madler#3 0x5866e3 in check_compress_level zlib-ng/test/fuzz/compress_fuzzer.c:18:3 madler#4 0x5862fd in LLVMFuzzerTestOneInput zlib-ng/test/fuzz/compress_fuzzer.c:38:3 madler#5 0x4e9b48 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/libfuzzer/FuzzerLoop.cpp:575:15 madler#6 0x4a2f66 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/libfuzzer/FuzzerDriver.cpp:280:6 madler#7 0x4b3adb in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/libfuzzer/FuzzerDriver.cpp:715:9 madler#8 0x4a2091 in main /src/libfuzzer/FuzzerMain.cpp:20:10 madler#9 0x7fea2fea482f in __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/libc-start.c:291 madler#10 0x41ec68 in _start Uninitialized value was created by a heap allocation #0 0x45f2a0 in malloc /src/llvm/projects/compiler-rt/lib/msan/msan_interceptors.cc:910 madler#1 0x587d42 in zng_deflateInit2_ zlib-ng/deflate.c:284:27 madler#2 0x5874fa in zng_deflateInit_ zlib-ng/deflate.c:224:12 madler#3 0x586c95 in zng_compress2 zlib-ng/compress.c:41:11 madler#4 0x5866e3 in check_compress_level zlib-ng/test/fuzz/compress_fuzzer.c:18:3 madler#5 0x5862fd in LLVMFuzzerTestOneInput zlib-ng/test/fuzz/compress_fuzzer.c:38:3 madler#6 0x4e9b48 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/libfuzzer/FuzzerLoop.cpp:575:15 madler#7 0x4a2f66 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/libfuzzer/FuzzerDriver.cpp:280:6 madler#8 0x4b3adb in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/libfuzzer/FuzzerDriver.cpp:715:9 madler#9 0x4a2091 in main /src/libfuzzer/FuzzerMain.cpp:20:10 madler#10 0x7fea2fea482f in __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/libc-start.c:291
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Author
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I actually wonder why such a trivial change never got reviewed. |
Owner
You answered your own question. |
Owner
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Applied. Thanks. |
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Merged commit: |
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Update INDEX that was forgotten in d465465 for #56.