Record Case Detail

Notes

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

Stderr

=================================================================
==9854==ERROR: AddressSanitizer: heap-use-after-free on address 0x607000000208 at pc 0x00000051c5a9 bp 0x7ffeb3690190 sp 0x7ffeb3690188
READ of size 8 at 0x607000000208 thread T0
    #0 0x51c5a8  (/out/package/call_mem+0x51c5a8)
    #1 0x7f933f26cb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #2 0x41d7c9  (/out/package/call_mem+0x41d7c9)

0x607000000208 is located 40 bytes inside of 80-byte region [0x6070000001e0,0x607000000230)
freed by thread T0 here:
    #0 0x5169a8  (/out/package/call_mem+0x5169a8)
    #1 0x51b992  (/out/package/call_mem+0x51b992)
    #2 0x7f933f26cb96  (/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 0x7f933f26cb96  (/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:
  0x

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
Call from wobuzuo a silver member
Answering call from wobuzuo
Starting tick #1
Starting tick #2
Starting tick #3
Call from zuone a gold member
Answering call from zuone
Starting tick #4
Call from nihao a platinum member
Answering call from nihao
Starting tick #5
Call from langfei a platinum member
Starting tick #6
Answering call from langfei
Starting tick #7
Call from Isabella a platinum member
Answering call from Isabella
Starting tick #8

JOJ Answer

Starting tick #0
Call from wobuzuo a silver member
Answering call from wobuzuo
Starting tick #1
Starting tick #2
Starting tick #3
Call from zuone a gold member
Answering call from zuone
Starting tick #4
Call from nihao a platinum member
Answering call from nihao
Starting tick #5
Call from langfei a platinum member
Starting tick #6
Answering call from langfei
Starting tick #7
Call from Isabella a platinum member
Answering call from Isabella
Starting tick #8
Starting tick #9
Starting tick #10
Call from youbing a platinum member
Answering call from youbing
Starting tick #11
Starting tick #12
Call from sense a platinum member
Call from wonaozi a silver member
Starting tick #13
Call from wo a regular member
Answering call from sense
Starting tick #14
Starting tick #15
Starting tick #16
Call from yao a regular member
Answering call from wonaozi
Starting tick #17
Starting tick #18
Starting tick #19
Answering call from wo
Starting tick #20
Starting tick #21
Answering call from yao
Starting tick #22
Starting tick #23