Record Case Detail

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==37865==ERROR: AddressSanitizer: heap-use-after-free on address 0x607000000048 at pc 0x00000051c5a9 bp 0x7ffec2307c70 sp 0x7ffec2307c68
READ of size 8 at 0x607000000048 thread T0
    #0 0x51c5a8  (/out/package/call_mem+0x51c5a8)
    #1 0x7f0f43e09b96  (/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 0x7f0f43e09b96  (/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 0x7f0f43e09b96  (/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.

Starting tick #0
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Call from a a silver member
Answering call from a
Starting tick #8

Starting tick #0
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Call from a a silver member
Answering call from a
Starting tick #8
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Call from name1 a regular member
Call from Addison a regular member
Answering call from name1
Starting tick #10
Starting tick #11
Answering call from Addison
Starting tick #12
Call from youbing a gold member
Call from langfei a silver member
Answering call from youbing
Starting tick #13
Answering call from langfei
Starting tick #14
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Call from boot a regular member
Answering call from boot
Starting tick #19
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Call from Addison a regular member
Answering call from Addison
Starting tick #24
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Starting tick #29
Call from Olivia a gold member
Answering call from Olivia
Starting tick #30
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