Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==5096==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x7ffc7355c790 in thread T0
#0 0x7fa7acd989c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x55d47b799036 in Dlist<int>::copyAll(Dlist<int> const&) [clone .isra.11] (/out/package/dlist_mem+0x3036)
#2 0x55d47b799f72 in case4() (/out/package/dlist_mem+0x3f72)
#3 0x55d47b798197 in main (/out/package/dlist_mem+0x2197)
#4 0x7fa7ac346b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x55d47b798599 in _start (/out/package/dlist_mem+0x2599)
Address 0x7ffc7355c790 is located in stack of thread T0 at offset 208 in frame
#0 0x55d47b799ddf in case4() (/out/package/dlist_mem+0x3ddf)
This frame has 2 object(s):
[32, 48) 'list1'
[96, 112) 'list2' <== Memory access at offset 208 overflows this variable
HINT: this may be a false positive if your program uses some custom
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.