Record Case Detail

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100 double
0 empty
1 append ko4OAD9Rbv 0.8771712380493649
/in/dlist.c:125:14: runtime error: member access within null pointer of type 'node_t' (aka 'struct _node_')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/dlist.c:125:14 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==430==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x000000516abc bp 0x7fff3cce28d0 sp 0x7fff3cce27e0 T0)
==430==The signal is caused by a WRITE memory access.
==430==Hint: address points to the zero page.
    #0 0x516abb  (/out/package/main+0x516abb)
    #1 0x5198b3  (/out/package/main+0x5198b3)
    #2 0x5152d7  (/out/package/main+0x5152d7)
    #3 0x7fb52ea7bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41ca79  (/out/package/main+0x41ca79)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/main+0x516abb) 
==430==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.

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ko4OAD9Rbv=0.877171
yHzoQxkZaeM7SCX=0.294089
CmfHgElp=0.044316
iL6eICEB=0.478834
2dIwgOi3c0=0.773603
fkRQDZ81n9P=0.495980
7OMaAz4d0=0.732889
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ko4OAD9Rbv=0.877171
yHzoQxkZaeM7SCX=0.294089
CmfHgElp=0.044316
iL6eICEB=0.478834
2dIwgOi3c0=0.773603
fkRQDZ81n9P=0.495980
7OMaAz4d0=0.732889
CmfHgElp=0.044316
yHzoQxkZaeM7SCX=0.294089
iL6eICEB=0.478834
fkRQDZ81n9P=0.495980
7OMaAz4d0=0.732889
2dIwgOi3c0=0.773603
ko4OAD9Rbv=0.877171
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ko4OAD9Rbv=0.877171
yHzoQxkZaeM7SCX=0.294089
CmfHgElp=0.044316
iL6eICEB=0.478834
2dIwgOi3c0=0.773603
fkRQDZ81n9P=0.495980
7OMaAz4d0=0.732889
r1kU6Ma=0.758774
RXvHZnEVeq=0.275452
Sjrey2=0.643468
eamOoB503Ek=0.108642
MlbEH5a12PUco=0.391217
F04r7yCDKdp=0.983385
myHiMn9KJlOAhUw=0.473047
0Izg4Ui=0.916831
A2bOkZyzNvW5Q8=0.638958
CmfHgElp=0.044316
eamOoB503Ek=0.108642
RXvHZnEVeq=0.275452
yHzoQxkZaeM7SCX=0.294089
MlbEH5a12PUco=0.391217
myHiMn9KJlOAhUw=0.473047
iL6eICEB=0.478834
fkRQDZ81n9P=0.495980
A2bOkZyzNvW5Q8=0.638958
Sjrey2=0.643468
7OMaAz4d0=

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JOJ Answer