apache/nuttx

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Apache NuttX is a mature, real-time embedded operating system (RTOS)

Stars: 4k
Forks: 1.7k
Open beginner issues: 0
Indexed issues: 622
Avg merge: 1d 17h
Merged PRs (30d): 237

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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619 open issues indexed

nxstyle: Suppress checking in strings/comments. Open

Type: Bug

apache/nuttx#387 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
nxstyle: header files that are not header files. Open

Community: Question Type: Bug

apache/nuttx#482 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
unclear coding standard examples Open

Area: Documentation

apache/nuttx#536 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add intree board config to test the relative CUSTOM board tooling Open

Type: Enhancement

apache/nuttx#596 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
nxstyle include check is too strict Open

Type: Bug Type: Enhancement

apache/nuttx#606 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Don't use nxsem_wait_uninterruptible in read()/write() Open

Area: Standards Type: Bug

apache/nuttx#669 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Should the makefile warn if there isn't a valid APPDIR? Open

Type: Bug

apache/nuttx#844 · 23 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
nxstyle: Does not do sufficient name checking Open

Area: Standards

apache/nuttx#901 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
x86_64 ostest mqueue_test failing Open

Type: Bug

apache/nuttx#955 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove errno accesses from the OS Open

Area: Modularity Type: Enhancement

apache/nuttx#1027 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
nxstyle: reports brace alignment problem on solitary blocks Open

Type: Bug

apache/nuttx#1031 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Enabling CONFIG_SIG_DEFAULT causing ostest to crash Open

Type: Bug

apache/nuttx#1039 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Extend ELF to support stack size and priority Open

Type: Bug Type: Enhancement

apache/nuttx#1065 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
nxstyle: No error reported on long right hand comments Open

Area: Standards Type: Bug

apache/nuttx#1078 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Wide Font Library Open

Type: Enhancement

apache/nuttx#1085 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
include/nuttx/sensors/ioctl.h macros defined and redefined. Open

Type: Bug

apache/nuttx#1086 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
LPC17_40: UART set the buadrate jump to the Infinite loop Open

Type: Bug

apache/nuttx#1092 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove streams from Kernel Threads Open

Area: Modularity

apache/nuttx#1108 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add sysctl() Open

Area: Modularity Type: Enhancement

apache/nuttx#1132 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Interrupt Handler Improvements Open

Type: Enhancement

apache/nuttx#1133 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Crtical section should be replaced with spinlock as much as we can to improve SMP performance Open

Type: Enhancement

apache/nuttx#1144 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
User Memory Allocator Security Issue Open

Area: Security Type: Enhancement

apache/nuttx#1266 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
System calls require address checks Open

Area: Security

apache/nuttx#1329 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Limited, non-complient SIGEV_THREAD event handling Open

Area: Standards Type: Bug

apache/nuttx#1352 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
drivers: mtd: align spi and qspi Open

apache/nuttx#1356 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NuttX kernel syscall dispatcher does not validate the syscall ID Open

Area: Security

apache/nuttx#1358 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Arguments passed to IOCTL handlers may be vulnerable to time-of-check-time-of-use race conditions Open

Area: Security

apache/nuttx#1360 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
graphics/vnc/server breakage Open

apache/nuttx#1368 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Hard fault in STM32H7 protected mode Open

apache/nuttx#1409 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
port nuttx to NXP imx.rt600 Open

Area: New board

apache/nuttx#1414 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improved MPU usage in PROTECTED mode Open

Community: Good first issue Type: Enhancement

apache/nuttx#1489 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SPIFFS and SmartFS must support . and .. entries Open

Area: Standards Type: Bug

apache/nuttx#1539 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
gencromfs hardlink improvement Open

Type: Enhancement

apache/nuttx#1557 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Hardcoded Pin mux, pad control and Drive Strength (AKA Slew-rate and Frequency) Settings Open

breaking change

apache/nuttx#1570 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
USB: Race Condition QH unlink/reuse in EHCI Host drivers. Open

apache/nuttx#1625 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Documentation roadmap Open

Area: Documentation

apache/nuttx#1638 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bluetooth: Implement the BTPROTO_HCI Protocol for AF_BLUETOOTH socket domain. Open

Area: Bluetooth Type: Enhancement

apache/nuttx#1639 · 33 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
arch code shouldn't include sched/sched.h which violate the modular rule Open

Area: Modularity

apache/nuttx#1652 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bluetooth stack only support a single device Open

Area: Bluetooth Type: Enhancement

apache/nuttx#1665 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
stm32* (others?): fixes required in lowerhalf timers Open

apache/nuttx#1711 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
sched tickless: provide SCHED_TICKLESS_TIMER option Open

apache/nuttx#1716 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
consolidate system timer handling in architectures: provide either via ARCH_TIMER/ARCH_ALARM or not, not both Open

apache/nuttx#1717 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
expose timer interface supporting non-monotonic free-running counter and relative timeout Open

apache/nuttx#1725 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ensure files are rebuilt if any build flag is changed Open

Area: Build system

apache/nuttx#1768 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
the net monitor shouldn't tightly couple with the ethernet hardware Open

apache/nuttx#1775 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve freedom-k64f support [meta] Open

apache/nuttx#1988 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Idle stack size is not checked. Open

apache/nuttx#2001 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Heap base shall be configurable. Open

apache/nuttx#2002 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Adding ptrace support to allow for more run time debug support Open

Type: Enhancement

apache/nuttx#2028 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Documentation: better description of the network testing procedure for sim Open

Area: Documentation

apache/nuttx#2090 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/nuttx

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