Record Case Detail

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==114056==ERROR: AddressSanitizer: heap-use-after-free on address 0x6070000000d4 at pc 0x00000051dcb1 bp 0x7ffd7a3899f0 sp 0x7ffd7a3899e8
READ of size 4 at 0x6070000000d4 thread T0
    #0 0x51dcb0  (/out/package/call_mem+0x51dcb0)
    #1 0x7fd2f76bec86  (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #2 0x41dc39  (/out/package/call_mem+0x41dc39)

0x6070000000d4 is located 68 bytes inside of 72-byte region [0x607000000090,0x6070000000d8)
freed by thread T0 here:
    #0 0x516e18  (/out/package/call_mem+0x516e18)
    #1 0x51b9ee  (/out/package/call_mem+0x51b9ee)
    #2 0x7fd2f76bec86  (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

previously allocated by thread T0 here:
    #0 0x5160a0  (/out/package/call_mem+0x5160a0)
    #1 0x51b143  (/out/package/call_mem+0x51b143)
    #2 0x7fd2f76bec86  (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

SUMMARY: AddressSanitizer: heap-use-after-free (/out/package/call_mem+0x51dcb0) 
Shadow bytes around the buggy address:

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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