Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==32059==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x557515532f32 bp 0x7fff253240e0 sp 0x7fff253240d0
READ of size 8 at 0x603000000070 thread T0
#0 0x557515532f31 in case6() (/out/package/dlist_mem+0x28f31)
#1 0x557515526a71 in main (/out/package/dlist_mem+0x1ca71)
#2 0x7f194d5c0b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x557515527019 in _start (/out/package/dlist_mem+0x1d019)
0x603000000070 is located 0 bytes inside of 24-byte region [0x603000000070,0x603000000088)
freed by thread T0 here:
#0 0x7f194ed339c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x557515530fda in case6() (/out/package/dlist_mem+0x26fda)
previously allocated by thread T0 here:
#0 0x7f194ed32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
#1 0x5575155308a8 in case6() (/out/package/dlist_mem+0x26
Hints
Your answer may be identical to the JOJ answer in the first several lines.
However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.
Please double check your code to solve this problem and try again.
Your Answer
JOJ Answer
Test success.