Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==9165==ERROR: AddressSanitizer: heap-use-after-free on address 0x602000000010 at pc 0x00000051ba34 bp 0x7ffd9f233190 sp 0x7ffd9f233188
READ of size 4 at 0x602000000010 thread T0
#0 0x51ba33 (/out/package/dlist_mem+0x51ba33)
#1 0x51f9af (/out/package/dlist_mem+0x51f9af)
#2 0x7f6453eddb96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x41da19 (/out/package/dlist_mem+0x41da19)
0x602000000010 is located 0 bytes inside of 4-byte region [0x602000000010,0x602000000014)
freed by thread T0 here:
#0 0x516bf8 (/out/package/dlist_mem+0x516bf8)
#1 0x51b791 (/out/package/dlist_mem+0x51b791)
previously allocated by thread T0 here:
#0 0x515e80 (/out/package/dlist_mem+0x515e80)
#1 0x51b257 (/out/package/dlist_mem+0x51b257)
#2 0x7f6453eddb96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
SUMMARY: AddressSanitizer: heap-use-after-free (/out/package/dlist_mem+0x51ba33)
Shadow bytes around the buggy address:
0x0c047fff7
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.