Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==32070==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x55b31da0f312 bp 0x7fffc0b1d4f0 sp 0x7fffc0b1d4e0
READ of size 8 at 0x603000000070 thread T0
#0 0x55b31da0f311 in case5() (/out/package/dlist_mem+0x26311)
#1 0x55b31da05a71 in main (/out/package/dlist_mem+0x1ca71)
#2 0x7feac0be1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x55b31da06019 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 0x7feac23549c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x55b31da0d3ba in case5() (/out/package/dlist_mem+0x243ba)
previously allocated by thread T0 here:
#0 0x7feac2353448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
#1 0x55b31da0cc88 in case5() (/out/package/dlist_mem+0x23
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.