Record Case Detail

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

1000 str
0 append nakKCbSBZ tSmJP
1 append OkzDqhgUBYF KzF
/in/dlist.c:261:14: runtime error: member access within null pointer of type 'node_t' (aka 'struct linked_node')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/dlist.c:261:14 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==135==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x0000005169d2 bp 0x7fffc478cf70 sp 0x7fffc478cf20 T0)
==135==The signal is caused by a WRITE memory access.
==135==Hint: address points to the zero page.
    #0 0x5169d1  (/out/package/main+0x5169d1)
    #1 0x515327  (/out/package/main+0x515327)
    #2 0x7fb863486b96  (/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+0x5169d1) 
==135==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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nakKCbSBZ=tSmJP
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
nakKCbSBZ=tSmJP
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5
nakKCbSBZ=tSmJP
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
2eoIM6UGt=9rKU
2eoIM6UGt=9rKU
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
nakKCbSBZ=tSmJP
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nakKCbSBZ=tSmJP
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
2eoIM6UGt=9rKU
rSf5WkwRD=NClgq
EmDdrwthlgTe=ul4
iogjcszvyO8n=X1DcZ
2eoIM6UGt=9rKU
OkzDqhgUBYF=KzF
rSf5WkwRD=NClgq
bWsyYVn8Z93peP=O1z
iogjcszvyO8n=X1DcZ
nakKCbSBZ=tSmJP
EmDdrwthlgTe=ul4
10
nakKCbSBZ=tSmJP
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
2eoIM6UGt=9rKU
rSf5WkwRD=NClgq
EmDdrwthlgTe=ul4
iogjcszvyO8n=X1DcZ
EmDdrwthlgTe=ul4
nakKCbSBZ=tSmJP
iogjcszvyO8n=X1DcZ
bWsyYVn8Z93peP=O1z
rSf5WkwRD=NClgq
OkzDqhgUBYF=KzF
2eoIM6UGt=9rKU
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nakKCbSBZ=tSmJP
OkzDqhgUBYF=KzF
bWsyYVn8Z93peP=O1z
2eoIM6UGt=9rKU
rSf5WkwRD=NClgq
EmDdrwthlgTe=ul4
iogjcszvyO8n=X1DcZ
vCUWZyR0NlDA=ztm
y9GxhUfWbR=BytKz
BrinaOgot=IMv
DdSOhT9IkFV=HtbSR
QbsMecEarh=BCF
0kpYsxZLOi=G8pJ
oNR4t=OnbK2
futkQ9=dXbh

Notes

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JOJ Answer