Record Case Detail

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ASAN:DEADLYSIGNAL
=================================================================
==24693==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55f0368b423a bp 0x602000006c70 sp 0x7ffd11303a30 T0)
==24693==The signal is caused by a WRITE memory access.
==24693==Hint: address points to the zero page.
    #0 0x55f0368b4239 in Dlist<int>::removeBack() (/out/package/sam_mem+0x5239)
    #1 0x55f0368b2a17 in main (/out/package/sam_mem+0x3a17)
    #2 0x7f407fa51b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x55f0368b3ad9 in _start (/out/package/sam_mem+0x4ad9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/sam_mem+0x5239) in Dlist<int>::removeBack()
==24693==ABORTING

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.

755768268 1254461059 
1528363438 1181365123 2133976544 1181365123 785237904 292109182 2133976544 28403561 292109182 988412771 2133976544 453841454 -2138830820 1148007803 785237904 28403561

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