Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==30593==ERROR: AddressSanitizer: heap-use-after-free on address 0x602000000010 at pc 0x56104a8cc57f bp 0x7ffdd72e8630 sp 0x7ffdd72e8620
READ of size 4 at 0x602000000010 thread T0
#0 0x56104a8cc57e in case4() (/out/package/dlist_mem+0x1557e)
#1 0x56104a8ca071 in main (/out/package/dlist_mem+0x13071)
#2 0x7f7cb8fd9b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x56104a8ca619 in _start (/out/package/dlist_mem+0x13619)
0x602000000010 is located 0 bytes inside of 4-byte region [0x602000000010,0x602000000014)
freed by thread T0 here:
#0 0x7f7cba74c9c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x56104a8cc3c1 in case4() (/out/package/dlist_mem+0x153c1)
#2 0x60300000006f (<unknown module>)
previously allocated by thread T0 here:
#0 0x7f7cba74b448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
#1 0x56104a8cc05
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.