Record Case Detail

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5 int
0 append 4AP0LIhQU 143
/in/dlist.c:25:15: runtime error: member access within null pointer of type 'node_t' (aka 'struct node')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/dlist.c:25:15 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==166==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x000000515898 bp 0x7ffd9185b3d0 sp 0x7ffd9185b380 T0)
==166==The signal is caused by a READ memory access.
==166==Hint: address points to the zero page.
    #0 0x515897  (/out/package/main+0x515897)
    #1 0x515367  (/out/package/main+0x515367)
    #2 0x7f69413b0b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cb09  (/out/package/main+0x41cb09)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/main+0x515897) 
==166==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.

0
1
2
4AP0LIhQU=143
oBUmdxEaIHuyL8=48582
3
4
4AP0LIhQU=143
oBUmdxEaIHuyL8=48582
MiXRrfQ0KLG=-26856

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