Record Case Detail

Notes

This function is in beta test. Please help improve it in the issues here.

Stderr

=================================================================
==27269==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x5584043a697d bp 0x7fff16ff3d70 sp 0x7fff16ff3d60
WRITE of size 8 at 0x603000000070 thread T0
    #0 0x5584043a697c in Dlist<int>::insertBack(int*) (/out/package/dlist_mem+0x597c)
    #1 0x5584043a6cfa in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x5cfa)
    #2 0x5584043a6e4c in Dlist<int>::operator=(Dlist<int> const&) (/out/package/dlist_mem+0x5e4c)
    #3 0x5584043a5e37 in case6() (/out/package/dlist_mem+0x4e37)
    #4 0x5584043a3197 in main (/out/package/dlist_mem+0x2197)
    #5 0x7f1777386b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #6 0x5584043a3599 in _start (/out/package/dlist_mem+0x2599)

0x603000000070 is located 0 bytes inside of 24-byte region [0x603000000070,0x603000000088)
freed by thread T0 here:
    #0 0x7f1777dd89c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0

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.