Record Case Detail

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==45558==ERROR: AddressSanitizer: heap-use-after-free on address 0x607000000048 at pc 0x00000051c5a9 bp 0x7ffc73a4f430 sp 0x7ffc73a4f428
READ of size 8 at 0x607000000048 thread T0
    #0 0x51c5a8  (/out/package/call_mem+0x51c5a8)
    #1 0x7f3708e59b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #2 0x41d7c9  (/out/package/call_mem+0x41d7c9)

0x607000000048 is located 40 bytes inside of 80-byte region [0x607000000020,0x607000000070)
freed by thread T0 here:
    #0 0x5169a8  (/out/package/call_mem+0x5169a8)
    #1 0x51b992  (/out/package/call_mem+0x51b992)
    #2 0x7f3708e59b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

previously allocated by thread T0 here:
    #0 0x515c30  (/out/package/call_mem+0x515c30)
    #1 0x51a433  (/out/package/call_mem+0x51a433)
    #2 0x7f3708e59b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-use-after-free (/out/package/call_mem+0x51c5a8) 
Shadow bytes around the buggy address:
  0

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.

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