Record Case Detail

Notes

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

Stderr

=================================================================
==21758==ERROR: AddressSanitizer: heap-use-after-free on address 0x606000000888 at pc 0x00000051c2e5 bp 0x7fffb78d0a70 sp 0x7fffb78d0a68
READ of size 8 at 0x606000000888 thread T0
    #0 0x51c2e4  (/out/package/test_decom+0x51c2e4)
    #1 0x52b95e  (/out/package/test_decom+0x52b95e)
    #2 0x52c04d  (/out/package/test_decom+0x52c04d)
    #3 0x7f6a6ea3bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41f909  (/out/package/test_decom+0x41f909)

0x606000000888 is located 40 bytes inside of 56-byte region [0x606000000860,0x606000000898)
freed by thread T0 here:
    #0 0x518ae8  (/out/package/test_decom+0x518ae8)
    #1 0x51ca02  (/out/package/test_decom+0x51ca02)
    #2 0x51ca4c  (/out/package/test_decom+0x51ca4c)
    #3 0x5241e4  (/out/package/test_decom+0x5241e4)
    #4 0x52c081  (/out/package/test_decom+0x52c081)
    #5 0x7f6a6ea3bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

previously allocated by thread T0 here:
    #0 0x517d70  (/ou

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


        

JOJ Answer

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