Language
C++
Compiler
clang 8.0.0
Options
Warnings
Don't Use Boost
C++17
no pedantic
$ clang++ prog.cc -Wall -Wextra -std=c++17 --- Test1 ---
*** Error in `./prog.exe': double free or corruption (fasttop): 0x0000000002080020 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7fa9dcea67e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7fa9dceaf37a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7fa9dceb353c]
./prog.exe[0x403285]
./prog.exe[0x403239]
./prog.exe[0x4031e5]
./prog.exe[0x403185]
./prog.exe[0x403145]
./prog.exe[0x403005]
./prog.exe[0x402834]
./prog.exe[0x401b6a]
./prog.exe[0x401518]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7fa9dce4f830]
./prog.exe[0x401359]
======= Memory map: ========
00400000-00405000 r-xp 00000000 fd:03 9714621 /home/jail/prog.exe
00604000-00605000 r--p 00004000 fd:03 9714621 /home/jail/prog.exe
00605000-00606000 rw-p 00005000 fd:03 9714621 /home/jail/prog.exe
0207f000-020a1000 rw-p 00000000 00:00 0 [heap]
7fa9d8000000-7fa9d8021000 rw-p 00000000 00:00 0
7fa9d8021000-7fa9dc000000 ---p 00000000 00:00 0
7fa9dcc27000-7fa9dcc2e000 r-xp 00000000 fd:03 147108 /lib/x86_64-linux-gnu/librt-2.23.so
7fa9dcc2e000-7fa9dce2d000 ---p 00007000 fd:03 147108 /lib/x86_64-linux-gnu/librt-2.23.so
7fa9dce2d000-7fa9dce2e000 r--p 00006000 fd:03 147108 /lib/x86_64-linux-gnu/librt-2.23.so
7fa9dce2e000-7fa9dce2f000 rw-p 00007000 fd:03 147108 /lib/x86_64-linux-gnu/librt-2.23.so
7fa9dce2f000-7fa9dcfef000 r-xp 00000000 fd:03 147125 /lib/x86_64-linux-gnu/libc-2.23.so
7fa9dcfef000-7fa9dd1ef000 ---p 001c0000 fd:03 147125 /lib/x86_64-linux-gnu/libc-2.23.so
7fa9dd1ef000-7fa9dd1f3000 r--p 001c0000 fd:03 147125 /lib/x86_64-linux-gnu/libc-2.23.so
7fa9dd1f3000-7fa9dd1f5000 rw-p 001c4000 fd:03 147125 /lib/x86_64-linux-gnu/libc-2.23.so
7fa9dd1f5000-7fa9dd1f9000 rw-p 00000000 00:00 0
7fa9dd1f9000-7fa9dd20f000 r-xp 00000000 fd:03 131917 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fa9dd20f000-7fa9dd40e000 ---p 00016000 fd:03 131917 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fa9dd40e000-7fa9dd40f000 rw-p 00015000 fd:03 131917 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fa9dd40f000-7fa9dd517000 r-xp 00000000 fd:03 147128 /lib/x86_64-linux-gnu/libm-2.23.so
7fa9dd517000-7fa9dd716000 ---p 00108000 fd:03 147128 /lib/x86_64-linux-gnu/libm-2.23.so
7fa9dd716000-7fa9dd717000 r--p 00107000 fd:03 147128 /lib/x86_64-linux-gnu/libm-2.23.so
7fa9dd717000-7fa9dd718000 rw-p 00108000 fd:03 147128 /lib/x86_64-linux-gnu/libm-2.23.so
7fa9dd718000-7fa9dd7cf000 r-xp 00000000 fd:03 379636 /opt/wandbox/clang-8.0.0/lib/libc++.so.1.0
7fa9dd7cf000-7fa9dd9ce000 ---p 000b7000 fd:03 379636 /opt/wandbox/clang-8.0.0/lib/libc++.so.1.0
7fa9dd9ce000-7fa9dd9d3000 r--p 000b6000 fd:03 379636 /opt/wandbox/clang-8.0.0/lib/libc++.so.1.0
7fa9dd9d3000-7fa9dd9d4000 rw-p 000bb000 fd:03 379636 /opt/wandbox/clang-8.0.0/lib/libc++.so.1.0
7fa9dd9d4000-7fa9dd9d7000 rw-p 00000000 00:00 0
7fa9dd9d7000-7fa9dda0c000 r-xp 00000000 fd:03 379638 /opt/wandbox/clang-8.0.0/lib/libc++abi.so.1.0
7fa9dda0c000-7fa9ddc0b000 ---p 00035000 fd:03 379638 /opt/wandbox/clang-8.0.0/lib/libc++abi.so.1.0
7fa9ddc0b000-7fa9ddc0f000 r--p 00034000 fd:03 379638 /opt/wandbox/clang-8.0.0/lib/libc++abi.so.1.0
7fa9ddc0f000-7fa9ddc10000 rw-p 00038000 fd:03 379638 /opt/wandbox/clang-8.0.0/lib/libc++abi.so.1.0
7fa9ddc10000-7fa9ddc28000 r-xp 00000000 fd:03 147112 /lib/x86_64-linux-gnu/libpthread-2.23.so
7fa9ddc28000-7fa9dde27000 ---p 00018000 fd:03 147112 /lib/x86_64-linux-gnu/libpthread-2.23.so
7fa9dde27000-7fa9dde28000 r--p 00017000 fd:03 147112 /lib/x86_64-linux-gnu/libpthread-2.23.so
7fa9dde28000-7fa9dde29000 rw-p 00018000 fd:03 147112 /lib/x86_64-linux-gnu/libpthread-2.23.so
7fa9dde29000-7fa9dde2d000 rw-p 00000000 00:00 0
7fa9dde2d000-7fa9dde53000 r-xp 00000000 fd:03 147111 /lib/x86_64-linux-gnu/ld-2.23.so
7fa9de044000-7fa9de04a000 rw-p 00000000 00:00 0
7fa9de051000-7fa9de052000 rw-p 00000000 00:00 0
7fa9de052000-7fa9de053000 r--p 00025000 fd:03 147111 /lib/x86_64-linux-gnu/ld-2.23.so
7fa9de053000-7fa9de054000 rw-p 00026000 fd:03 147111 /lib/x86_64-linux-gnu/ld-2.23.so
7fa9de054000-7fa9de055000 rw-p 00000000 00:00 0
7ffe4d56f000-7ffe4d590000 rw-p 00000000 00:00 0 [stack]
7ffe4d5a2000-7ffe4d5a5000 r--p 00000000 00:00 0 [vvar]
7ffe4d5a5000-7ffe4d5a7000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Signal:
Aborted