Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==33172==ERROR: AddressSanitizer: heap-use-after-free on address 0x602000000010 at pc 0x5557e6cdbc3f bp 0x7ffc6ab9bdf0 sp 0x7ffc6ab9bde0
READ of size 4 at 0x602000000010 thread T0
#0 0x5557e6cdbc3e in case3() (/out/package/dlist_mem+0x14c3e)
#1 0x5557e6cda071 in main (/out/package/dlist_mem+0x13071)
#2 0x7f564c20cb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x5557e6cda619 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 0x7f564d97f9c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x5557e6cdba81 in case3() (/out/package/dlist_mem+0x14a81)
#2 0x60300000006f (<unknown module>)
previously allocated by thread T0 here:
#0 0x7f564d97e448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
#1 0x5557e6cdb71
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.