I was able to solve problem with this <https://stackoverflow.com/questions/21163828/meaningful-stack-traces-for-address-sanitizer-in-gcc> link.
apt-get install llvmexport ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.4 ASAN_OPTIONS=symbolize=1 ./selftls 1 crash-packet Thanks On Monday, December 31, 2018 at 10:47:17 AM UTC+5, [email protected] wrote: > > Hi, > > I am new to ASAN and using it to find an information about the crash in my > application. Actually I am trying to find out Heartbleed bug from Openssl > and expecting something like Heap Overflow. So far ASAN has given me > following trace > > ==74031== ERROR: AddressSanitizer: unknown-crash on address 0x60820001220b > at pc 0x7f8b608c53f7 bp 0x7ffff00b49d0 sp 0x7ffff00b4190 > READ of size 32768 at 0x60820001220b thread T0 > #0 0x7f8b608c53f6 (/usr/lib/x86_64-linux-gnu/libasan.so.0.0.0+0xe3f6) > #1 0x410dfd > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x410dfd) > #2 0x495eb4 > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x495eb4) > #3 0x4998f3 > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x4998f3) > #4 0x46105d > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x46105d) > #5 0x470193 > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x470193) > #6 0x40256e > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x40256e) > #7 0x7f8b6030eec4 (/lib/x86_64-linux-gnu/libc-2.19.so+0x21ec4) > #8 0x4029dc > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x4029dc) > 0x608200016348 is located 0 bytes to the right of 16712-byte region > [0x608200012200,0x608200016348) > allocated by thread T0 here: > #0 0x7f8b608cc41a (/usr/lib/x86_64-linux-gnu/libasan.so.0.0.0+0x1541a) > #1 0x4c3d76 > (/home/aneela/Documents/Fuzzing_with_afl_fuzz/selftls-master/selftls+0x4c3d76) > Shadow bytes around the buggy address: > 0x0c10bfffa3f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c10bfffa400: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c10bfffa410: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c10bfffa420: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c10bfffa430: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > =>0x0c10bfffa440: 00[00]00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c10bfffa450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c10bfffa460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c10bfffa470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c10bfffa480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c10bfffa490: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > Shadow byte legend (one shadow byte represents 8 application bytes): > Addressable: 00 > Partially addressable: 01 02 03 04 05 06 07 > Heap left redzone: fa > Heap righ redzone: fb > Freed Heap region: fd > Stack left redzone: f1 > Stack mid redzone: f2 > Stack right redzone: f3 > Stack partial redzone: f4 > Stack after return: f5 > Stack use after scope: f8 > Global redzone: f9 > Global init order: f6 > Poisoned by user: f7 > ASan internal: fe > ==74031== ABORTING > > But I am unsure how to read it as it say unknown crash. I am not getting > any function calls as well. Can someone help me getting sense out of it? > > Thanks. > -- You received this message because you are subscribed to the Google Groups "address-sanitizer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
