Record Case Detail

Notes

This function is in beta test. Please help improve it in the issues here.

Stderr

=================================================================
==753==ERROR: AddressSanitizer: heap-use-after-free on address 0x60400000093c at pc 0x00000051cb1b bp 0x7fff2235b790 sp 0x7fff2235b788
READ of size 4 at 0x60400000093c thread T0
    #0 0x51cb1a  (/out/package/call_mem+0x51cb1a)
    #1 0x7fc13c44bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #2 0x41da39  (/out/package/call_mem+0x41da39)

0x60400000093c is located 44 bytes inside of 48-byte region [0x604000000910,0x604000000940)
freed by thread T0 here:
    #0 0x516c18  (/out/package/call_mem+0x516c18)
    #1 0x51b471  (/out/package/call_mem+0x51b471)
    #2 0x7fc13c44bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

previously allocated by thread T0 here:
    #0 0x515ea0  (/out/package/call_mem+0x515ea0)
    #1 0x51a679  (/out/package/call_mem+0x51a679)
    #2 0x7fc13c44bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-use-after-free (/out/package/call_mem+0x51cb1a) 
Shadow bytes around the buggy address:
  0x0

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

Starting tick #0
Starting tick #1
Starting tick #2
Call from Ella a silver member
Starting tick #3
Call from Matthew a gold member
Call from haiyao a platinum member
Answering call from haiyao
Starting tick #4
Call from shijian a platinum member
Call from laozi a gold member
Call from fan a silver member
Starting tick #5
Call from zhege a silver member
Starting tick #6
Starting tick #7
Starting tick #8
Call from Aiden a gold member
Starting tick #9
Call from Matthew a silver member
Call from Olivia a platinum member
Starting tick #10
Starting tick #11
Call from shige a platinum member
Starting tick #12
Starting tick #13
Starting tick #14
Call from Aiden a silver member
Starting tick #15
Starting tick #16
Answering call from shijian
Starting tick #17
Call from a a regular member
Starting tick #18
Starting tick #19
Call from weishenme a silver member
Answering call from Olivia
Starting tick #20
Starting tick #21
Call from gan a gold member
Answering call from shige
Starting tick #22
Call from wo a platinum memb

JOJ Answer

Starting tick #0
Starting tick #1
Starting tick #2
Call from Ella a silver member
Answering call from Ella
Starting tick #3
Call from Matthew a gold member
Call from haiyao a platinum member
Starting tick #4
Call from shijian a platinum member
Call from laozi a gold member
Call from fan a silver member
Starting tick #5
Call from zhege a silver member
Starting tick #6
Starting tick #7
Starting tick #8
Call from Aiden a gold member
Starting tick #9
Call from Matthew a silver member
Call from Olivia a platinum member
Starting tick #10
Starting tick #11
Call from shige a platinum member
Starting tick #12
Starting tick #13
Starting tick #14
Call from Aiden a silver member
Starting tick #15
Starting tick #16
Answering call from haiyao
Starting tick #17
Call from a a regular member
Starting tick #18
Starting tick #19
Call from weishenme a silver member
Starting tick #20
Starting tick #21
Call from gan a gold member
Starting tick #22
Call from wo a platinum member
Starting tick #23
Starting tick #24
Call from Addison