uber-go/nilaway

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Static analysis tool to detect potential nil panics in Go code

Stars: 3.9k
Forks: 96
Open beginner issues: 0
Indexed issues: 65
Avg merge: 1d 8h
Merged PRs (30d): 4

Dominant language: Go
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

Open All

65 open issues indexed

Performance: optimize repeated entry-point handling in function-analysis fixed-point computation Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

uber-go/nilaway#509 · 2 comments · Opened Aug 12, 2026
Feature request: To see a progress in fixing issues so it could be fun. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

uber-go/nilaway#477 · 3 comments · Opened Aug 2, 2026
Bug: `exclude-file-docstrings` not excluding files it should exclude. Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uber-go/nilaway#408 · 2 comments · Opened Mar 7, 2026
Detect optional db struct Open

feature structinit

Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber-go/nilaway#405 · 1 comment · Opened Feb 7, 2026
False negative: nil dereference not detected when function is called through a function variable Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

uber-go/nilaway#387 · Opened Jan 14, 2026
False positive with distributed nil-checking guards Open

false positive

Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber-go/nilaway#378 · Opened Dec 8, 2025
False positive: function returns non-nil value together with error Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uber-go/nilaway#365 · 1 comment · Opened Aug 28, 2025
`nilaway` consume all memory of system eventually on ~11 MB project Open

driver

Difficulty 4/5 3-5 days Newbie friendliness 30/100

uber-go/nilaway#359 · 5 comments · Opened Aug 7, 2025
Fix `nil` append to slice and its subsequent access Open

false positive

Difficulty 3/5 1-2 days Newbie friendliness 45/100

uber-go/nilaway#356 · 1 comment · Opened Jul 23, 2025
Initialization of a map behind a function barrier fools nilaway Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

uber-go/nilaway#343 · Opened Jun 24, 2025
Add object sensitivity to struct field handling Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

uber-go/nilaway#339 · Opened Jun 23, 2025
Nil Receivers assignment to interface False positive Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#337 · Opened Jun 20, 2025
False positive in populating a slice using another slice Open

false positive

Difficulty 3/5 1-2 days Newbie friendliness 42/100

uber-go/nilaway#336 · Opened Jun 11, 2025
Add support for `iter` Open

false positive

Difficulty 4/5 3-5 days Newbie friendliness 55/100

uber-go/nilaway#317 · 1 comment · Opened Apr 5, 2025
False Positive Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#314 · 1 reaction · Opened Mar 28, 2025
Detecting Nil-Initiated Fields in Constructors Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber-go/nilaway#301 · Opened Feb 19, 2025
How to correctly utilise nilaway Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

uber-go/nilaway#299 · 2 reactions · Opened Feb 11, 2025
False Positive when using errGroup Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber-go/nilaway#296 · Opened Dec 5, 2024
False Positive when error is not returned from function Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

uber-go/nilaway#295 · 2 reactions · Opened Dec 2, 2024
False positive when checking slice length Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

uber-go/nilaway#294 · 1 comment · 4 reactions · Opened Dec 1, 2024
False positive due to nilability of `x` determined by the value of `y` Open

enhancement false positive

Difficulty 5/5 Over a week Newbie friendliness 25/100

uber-go/nilaway#292 · Opened Nov 4, 2024
Add Support for SARIF Format Output in Standalone Mode Open

driver enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber-go/nilaway#290 · 2 comments · 4 reactions · Opened Oct 26, 2024
False positive in tracking conversion from value to pointer receiver Open

false positive

Difficulty 3/5 1-2 days Newbie friendliness 45/100

uber-go/nilaway#284 · Opened Sep 30, 2024
Add support for rich effect functions via function pointers Open

false positive good first issue

Difficulty 4/5 3-5 days Newbie friendliness 42/100

uber-go/nilaway#277 · 2 comments · Opened Sep 4, 2024
The method encapsulates nil detection but cannot recognize it Open

needs triaging

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#260 · Opened Jun 25, 2024
False negative in contract support Open

false negative

Difficulty 4/5 3-5 days Newbie friendliness 38/100

uber-go/nilaway#259 · Opened Jun 21, 2024
False positive when a deep read uses an expression Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

uber-go/nilaway#256 · 1 comment · Opened Jun 12, 2024
Add support for complex short-circuiting in non-conditional flows Open

enhancement false negative

Difficulty 5/5 Over a week Newbie friendliness 35/100

uber-go/nilaway#226 · Opened Apr 1, 2024
False positive when there are already exhaustive combinations in switch cases Open

false positive

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#215 · Opened Mar 12, 2024
Support validator patterns Open

false positive

Difficulty 5/5 Over a week Newbie friendliness 35/100

uber-go/nilaway#212 · Opened Mar 5, 2024
Rethink our strategies towards handling channels Open

channels false positive

Difficulty 5/5 Over a week Newbie friendliness 25/100

uber-go/nilaway#192 · Opened Feb 1, 2024
Nilaway does not catch panic when using reflect.TypeOf function Open

enhancement false negative

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#190 · 4 comments · 4 reactions · Opened Jan 31, 2024
false positive with loop Open

needs triaging

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#170 · 2 comments · Opened Jan 11, 2024
NilAway does not handle explicit type conversions (false negative) Open

false negative

Difficulty 3/5 1-2 days Newbie friendliness 38/100

uber-go/nilaway#166 · 2 comments · Opened Jan 4, 2024
Unchanged files with check annotations Open

driver enhancement

uber-go/nilaway#162 · 3 comments · 1 assignee · Opened Dec 31, 2023
Nilaway doesn't recognize a Nil case caused by subreconciler package Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#159 · 3 comments · Opened Dec 23, 2023
How to use nilaway for a Golang project involved conditional compilation? Open

driver help wanted

uber-go/nilaway#154 · 1 comment · 1 assignee · Opened Dec 20, 2023
Not catching possible type assertion exceptions? Open

false negative feature type assertion

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#150 · 1 comment · Opened Dec 6, 2023
Internal panic (conflicting position information on upstream object) with latest rules_go Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#149 · 9 comments · 3 reactions · Opened Dec 5, 2023
Memory and CPU issue with Nilaway on Kubebuilder projects Open

documentation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

uber-go/nilaway#148 · 5 comments · 1 reaction · Opened Dec 3, 2023
Summary line after completion Open

driver enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

uber-go/nilaway#144 · 4 comments · Opened Nov 29, 2023
Support for `errors.Join` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

uber-go/nilaway#142 · 1 comment · Opened Nov 28, 2023
False positive when populating a slice through a counting `for` loop Open

false positive

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#138 · Opened Nov 27, 2023
False positive with non-empty slice assigned through reference and named boolean as guard statement Open

enhancement false positive

Difficulty 3/5 1-2 days Newbie friendliness 45/100

uber-go/nilaway#134 · 1 comment · Opened Nov 23, 2023
Nilaway does not detect possible nil value in go-routine function Open

feature anonymous func

Difficulty 3/5 1-2 days Newbie friendliness 45/100

uber-go/nilaway#132 · 3 comments · Opened Nov 23, 2023
`nilaway -V` doesn't work Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

uber-go/nilaway#130 · 1 comment · Opened Nov 22, 2023
False positive with closures Open

feature anonymous func

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#129 · 1 comment · Opened Nov 22, 2023
Observed nil flow from source to dereference point: result 0 of `Do()` accessed field `Body` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uber-go/nilaway#126 · 4 comments · 12 reactions · Opened Nov 21, 2023
NilAway does't report uninitialized object Open

feature structinit

Difficulty 4/5 3-5 days Newbie friendliness 42/100

uber-go/nilaway#122 · 3 comments · 1 reaction · Opened Nov 20, 2023
Add support for homebrew installation Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

uber-go/nilaway#121 · 3 comments · Opened Nov 20, 2023

uber-go/nilaway

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