Notes
This function is in beta test. Please help improve it in the issues
here.
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==28721==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000050 at pc 0x00000051a6b2 bp 0x7fff5df9c3a0 sp 0x7fff5df9c398
READ of size 8 at 0x603000000050 thread T0
#0 0x51a6b1 (/out/package/dlist_mem+0x51a6b1)
#1 0x52358f (/out/package/dlist_mem+0x52358f)
#2 0x7f3a19170b96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x41da19 (/out/package/dlist_mem+0x41da19)
0x603000000050 is located 16 bytes inside of 24-byte region [0x603000000040,0x603000000058)
freed by thread T0 here:
#0 0x516bf8 (/out/package/dlist_mem+0x516bf8)
#1 0x51a44b (/out/package/dlist_mem+0x51a44b)
previously allocated by thread T0 here:
#0 0x515e80 (/out/package/dlist_mem+0x515e80)
#1 0x51a356 (/out/package/dlist_mem+0x51a356)
SUMMARY: AddressSanitizer: heap-use-after-free (/out/package/dlist_mem+0x51a6b1)
Shadow bytes around the buggy address:
0x0c067fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c067
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.