Record Case Detail

Notes

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

Stderr

=================================================================
==24672==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000070 at pc 0x55f3523c9fb1 bp 0x7ffe56a11480 sp 0x7ffe56a11470
WRITE of size 8 at 0x603000000070 thread T0
    #0 0x55f3523c9fb0 in Dlist<int>::insertBack(int*) (/out/package/dlist_mem+0x5fb0)
    #1 0x55f3523c7286 in Dlist<int>::copyAll(Dlist<int> const&) [clone .isra.17] (/out/package/dlist_mem+0x3286)
    #2 0x55f3523c869b in case5() (/out/package/dlist_mem+0x469b)
    #3 0x55f3523c6847 in main (/out/package/dlist_mem+0x2847)
    #4 0x7f00a6723b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x55f3523c70b9 in _start (/out/package/dlist_mem+0x30b9)

0x603000000070 is located 0 bytes inside of 24-byte region [0x603000000070,0x603000000088)
freed by thread T0 here:
    #0 0x7f00a71759c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
    #1 0x55f3523ca523 in Dlist<int>::removeFront() (/out/package/dlist_me

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.