Record Case Detail

Notes

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

Stderr

=================================================================
==692==ERROR: AddressSanitizer: heap-use-after-free on address 0x6040000009bc at pc 0x00000051cb1b bp 0x7fff813a7a70 sp 0x7fff813a7a68
READ of size 4 at 0x6040000009bc thread T0
    #0 0x51cb1a  (/out/package/call_mem+0x51cb1a)
    #1 0x7f9eed6c2b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #2 0x41da39  (/out/package/call_mem+0x41da39)

0x6040000009bc is located 44 bytes inside of 48-byte region [0x604000000990,0x6040000009c0)
freed by thread T0 here:
    #0 0x516c18  (/out/package/call_mem+0x516c18)
    #1 0x51b471  (/out/package/call_mem+0x51b471)
    #2 0x7f9eed6c2b96  (/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 0x7f9eed6c2b96  (/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
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Call from Madison a silver member
Starting tick #6
Starting tick #7
Starting tick #8
Call from wonaozi a gold member
Starting tick #9
Starting tick #10
Starting tick #11
Starting tick #12
Starting tick #13
Starting tick #14
Starting tick #15
Call from Jacob a platinum member
Answering call from Jacob
Starting tick #16
Starting tick #17
Starting tick #18
Starting tick #19
Starting tick #20
Call from shuilai a silver member
Starting tick #21
Call from Mia a gold member
Starting tick #22
Starting tick #23
Starting tick #24
Starting tick #25
Starting tick #26
Call from laozi a gold member
Starting tick #27
Starting tick #28
Starting tick #29
Call from wonaozi a gold member
Starting tick #30
Call from name a silver member
Starting tick #31
Starting tick #32
Starting tick #33
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Call from Addison a regular membe

JOJ Answer

Starting tick #0
Starting tick #1
Starting tick #2
Starting tick #3
Starting tick #4
Starting tick #5
Call from Madison a silver member
Answering call from Madison
Starting tick #6
Starting tick #7
Starting tick #8
Call from wonaozi a gold member
Answering call from wonaozi
Starting tick #9
Starting tick #10
Starting tick #11
Starting tick #12
Starting tick #13
Starting tick #14
Starting tick #15
Call from Jacob a platinum member
Answering call from Jacob
Starting tick #16
Starting tick #17
Starting tick #18
Starting tick #19
Starting tick #20
Call from shuilai a silver member
Answering call from shuilai
Starting tick #21
Call from Mia a gold member
Answering call from Mia
Starting tick #22
Starting tick #23
Starting tick #24
Starting tick #25
Starting tick #26
Call from laozi a gold member
Answering call from laozi
Starting tick #27
Starting tick #28
Starting tick #29
Call from wonaozi a gold member
Answering call from wonaozi
Starting tick #30
Call from name a silver member
Answering call from name
Starting