Record Case Detail

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1000 int
0 append gVP81eXNEL 3
1 sort inc
/in/dlist.c:121:8: runtime error: member access within null pointer of type 'dlistNode' (aka 'struct dlistNode_t')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/dlist.c:121:8 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==1194==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x0000005160f1 bp 0x7ffd184bd650 sp 0x7ffd184bd5e0 T0)
==1194==The signal is caused by a WRITE memory access.
==1194==Hint: address points to the zero page.
    #0 0x5160f0  (/out/package/main+0x5160f0)
    #1 0x51537d  (/out/package/main+0x51537d)
    #2 0x7fc7d30bab96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cac9  (/out/package/main+0x41cac9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/main+0x5160f0) 
==1194==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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gVP81eXNEL=3
gVP81eXNEL=3
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false
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gVP81eXNEL=3
yudr9aAGFUNMV1E=-93
7p3EBYAeujWtV=953
yTXgk=-57
y8vmiW1Tjn=-660
FgVO27ToPd0=-866
wbRB54IxYdESV=-132
NCzy0WeiT8jZwH=334
pTOEMG=-114
MlwrfTFZ6AJViY=-961
cRuOgwf7D=-66
M4LUQJb5Zvl=140
7gO4B2ZvmGa=-123
Un2Ph=309
WMdJDK1O=397
SBym0zI84V2=665
Slsc9HqCPGDWiy=-898
670p4qZnQA9bvhw=-293
jAKngvR6CkTsNHt=405
5YCiP=-834
39vGocEj8we4Z=286
rjKAbqOi8hVozU=587
pQ8mwRL6yM=628
agXy73ZPf=-950
TWYs0pQC9gAV=-183
xQB1tNZkugwWCm=-627
7p3EBYAeujWtV=953
SBym0zI84V2=665
pQ8mwRL6yM=628
rjKAbqOi8hVozU=587
jAKngvR6CkTsNHt=405
WMdJDK1O=397
NCzy0WeiT8jZwH=334
Un2Ph=309
39vGocEj8we4Z=286
M4LUQJb5Zvl=140
gVP81eXNEL=3
yTXgk=-57
cRuOgwf7D=-66
yudr9aAGFUNMV1E=-93
pTOEMG=-114
7gO4B2ZvmGa=-123
wbRB54IxYdESV=-132
TWYs0pQC9gAV=-183
670p4qZnQA9bvhw=-293
xQB1tNZkugwWCm=-627
y8vmiW1Tjn=-660
5YCiP=-834
FgVO27ToPd0=-866
Slsc9HqCPGDWiy=-898
agXy73ZPf=-950
MlwrfTFZ6AJViY=-961
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gVP81eXNEL=3
yudr9aAGFUNMV1E=-93
7

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