nasa/osal

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The Core Flight System (cFS) Operating System Abstraction Layer (OSAL)

Stars: 670
Forks: 277
Open beginner issues: 0
Indexed issues: 137
Avg merge: 4d 15h
Merged PRs (30d): 10

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

137 open issues indexed

OSAL Unused type declarations Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

nasa/osal#1588 · Opened Sep 18, 2026
Make OS_MAX_EVENT_HANDLER a configurable item Open

nasa/osal#1582 · 1 comment · 1 assignee · Opened Sep 14, 2026
Add depth and msg size to queue property struct Open

nasa/osal#1580 · 1 assignee · Opened Sep 14, 2026
Add VxWorks RTP task affinity support Open

nasa/osal#1568 · 1 assignee · Opened Aug 21, 2026
Add QNX task affinity support Open

nasa/osal#1560 · 1 assignee · Opened Jul 14, 2026
Spurious pipe overflow errors on linux/glibc Open

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

nasa/osal#1555 · Opened Jun 23, 2026
Safeguard pthread conditional waits from spurious wake-ups. Open

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

nasa/osal#1553 · 1 comment · Opened Jun 16, 2026
stack-buffer-overflow in UtAssert_StringBufCompare() scrub buffers Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

nasa/osal#1550 · Opened Jun 5, 2026
` OS_SymbolLookup` reports error if symbol is not found Open

bug

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

nasa/osal#1530 · 1 comment · Opened Apr 14, 2026
Increase Standalone Workflow mqueue sysctl Limits Open

bug continuous-integration

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/osal#1528 · Opened Apr 13, 2026
Potential Command Injection Risk in OS_ShellOutputToFile() via sh -c Execution of Caller-Controled String Open

bug

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

nasa/osal#1523 · Opened Mar 10, 2026
GCC with `-Os` optimization level generates a warning Open

bug

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

nasa/osal#1520 · Opened Dec 4, 2025
Add a UtAssert libc strerror_r stub Open

enhancement unit-test

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

nasa/osal#1519 · Opened Nov 19, 2025
Path traversal vulnerability due to unchecked virtual mount point path Open

bug

nasa/osal#1516 · 1 comment · 1 assignee · Opened Nov 17, 2025
gethostid() and gethostname() not supported by lwIP network Open

CCB:Ready

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

nasa/osal#1513 · 3 comments · Opened Aug 5, 2025
Minor bugs + typos in flight and test code Open

enhancement

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

nasa/osal#1489 · Opened Dec 17, 2024
Permit stack allocation from alternative memory pool on VxWorks Open

enhancement

nasa/osal#1463 · 1 comment · 1 assignee · Opened May 24, 2024
Many compilation warnings when compiling under lp64 data model with -Wconversion option Open

invalid

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

nasa/osal#1462 · 1 comment · Opened May 8, 2024
SemGetInfo partial success cases Open

enhancement

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

nasa/osal#1440 · Opened Jan 5, 2024
Streamline Manual Inspection Required (MIR) steps in unit + functional tests Open

enhancement unit-test

nasa/osal#1426 · 1 assignee · Opened Oct 20, 2023
Add appendix in user's guide to detail Manual Inspection steps of functional testing Open

Equuleus-rc2

nasa/osal#1424 · 1 assignee · Opened Sep 27, 2023
Timebase and console internal tasks don't support OS event handler concept, default flags or other osal task behavior Open

bug

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

nasa/osal#1423 · Opened Sep 26, 2023
UtAssert_DoubleCmpRel fabs bug Open

bug

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

nasa/osal#1410 · 1 comment · Opened Sep 1, 2023
Message Receive timeout if system clock changes? Open

bug

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

nasa/osal#1401 · 1 comment · 1 reaction · Opened Aug 3, 2023
Task API provides no mechanism to provide an instance parameter Open

enhancement

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

nasa/osal#1394 · 2 comments · 1 reaction · Opened May 25, 2023
Condition Variable logic does not agree with common uses Open

bug

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

nasa/osal#1391 · Opened May 24, 2023
Posix `return_code` variables could be initialized to `ERROR` to simplify code Open

enhancement

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

nasa/osal#1386 · Opened May 4, 2023
OS_ObjectIdFromInteger argument narrowing error Open

question

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

nasa/osal#1385 · Opened May 1, 2023
Light coding standards cleanup Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 32/100

nasa/osal#1380 · Opened Apr 14, 2023
Allow UT assert tests to specify default verbosity Open

enhancement

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

nasa/osal#1317 · Opened Oct 21, 2022
Add random number capability for OSAL and UT assert Open

enhancement

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

nasa/osal#1316 · Opened Oct 21, 2022
Potentially unsafe use of strcat Open

enhancement

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

nasa/osal#1295 · Opened Sep 28, 2022
Add condition variable implementation for VxWorks Open

enhancement

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

nasa/osal#1288 · Opened Sep 12, 2022
Add condition variable implementation for RTEMS Open

enhancement

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

nasa/osal#1287 · Opened Sep 12, 2022
Complexity of ARGCHECK macros trigger JPL rule 24, multiple statements per line Open

enhancement

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

nasa/osal#1285 · Opened Sep 8, 2022
Function header documentation for OS_ObjectIdAllocateNew() is incorrect Open

docs

Difficulty 1/5 Under an hour Newbie friendliness 48/100

nasa/osal#1242 · 1 comment · Opened Apr 1, 2022
Format truncation warning in `UtAssert_DoTestSegmentReport` (Ubuntu 20.04) Open

unit-test

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

nasa/osal#1241 · 1 comment · Opened Mar 29, 2022
Consider populating the "name" field of datagram socket entries Open

enhancement

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

nasa/osal#1224 · Opened Feb 23, 2022
select-test failed, non-repeatable Open

unit-test

Difficulty 4/5 3-5 days Newbie friendliness 20/100

nasa/osal#1213 · 1 comment · Opened Jan 29, 2022
Implement coverage test for RTEMS Open

enhancement

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

nasa/osal#1207 · 1 comment · Opened Jan 13, 2022
Optional support for symbol table dump and module address/size info on POSIX systems (adds GNU extension dependence) Open

enhancement

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

nasa/osal#1205 · 6 comments · Opened Jan 11, 2022
Add simpler/semi-automatic unit test handling for pointer returns from stubs Open

enhancement

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

nasa/osal#1198 · 1 comment · Opened Jan 6, 2022
UtAssert_Abort should support a format string like other calls do Open

enhancement

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

nasa/osal#1195 · 1 comment · 1 reaction · Opened Nov 22, 2021
UtAssert_StringBufCompare output of strings could be put on top of each other for easier problem identification Open

enhancement

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

nasa/osal#1193 · Opened Nov 8, 2021
Randomize location of OSAL temp directories Open

enhancement

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

nasa/osal#1189 · 2 comments · Opened Oct 25, 2021
Check Return Value of chmod Open

bug good first issue

nasa/osal#1171 · 2 comments · 1 assignee · Opened Sep 29, 2021
Potential aliasing warning in socket code Open

enhancement

nasa/osal#1159 · 1 assignee · Opened Sep 21, 2021
Expand use of the BSP specific configuration registry across the rest of the resources Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 28/100

nasa/osal#1156 · Opened Sep 20, 2021
Add standalone osal builds for RTEMS in continuous integration Open

build-system continuous-integration good first issue qemu RTEMS

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

nasa/osal#1128 · Opened Aug 6, 2021
Unexercised code at the "functional" level of testing Open

enhancement unit-test

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

nasa/osal#1119 · Opened Jul 29, 2021

nasa/osal

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