RT-Thread/rt-thread

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RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

Stars: 12.2k
Forks: 5.4k
Open beginner issues: 1
Indexed issues: 362
Avg merge: 4d 12h
Merged PRs (30d): 40

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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362 open issues indexed

[rust] detect_rust_target 未处理 Cortex-M33 硬浮点，导致链接失败 Open

in progress

RT-Thread/rt-thread#11810 · 3 comments · 1 assignee · Opened Sep 18, 2026
[Bug] SDIO 驱动注销失败与节点内存泄漏风险 Open

bug Component component: drivers in progress

RT-Thread/rt-thread#11801 · 3 comments · 1 assignee · Opened Sep 12, 2026
OSPP 2026 idea: Lazy FP/RVV context switching for RISC-V Open

Arch: RISC-V enhancement Kernel

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

RT-Thread/rt-thread#11786 · 5 comments · 2 reactions · Opened Sep 7, 2026
[Bug] pin_api_attach_irq legacy path publishes hdr and args without IRQ protection Open

bug Component component: drivers

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

RT-Thread/rt-thread#11784 · 4 comments · Opened Sep 7, 2026
[Bug] 很多bsp对c++的自动构造函数支持有问题 Open

Arch: RISC-V BSP BSP: HPMicro bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

RT-Thread/rt-thread#11778 · 1 comment · Opened Sep 1, 2026
[Bug] [cherryusb] [EHCI] 未刷新SETUP包缓存，导致enumerate fail Open

Arch: ARM/AArch64 BSP BSP: Nuvoton bug Component component: drivers

Difficulty 3/5 1-2 days Newbie friendliness 52/100

RT-Thread/rt-thread#11749 · 2 comments · Opened Aug 25, 2026
[Bug] Legacy USB CDC VCOM uses rt_ringbuffer as rt_serial_rx_fifo with Serial V2 Open

bug Component component: drivers in progress

RT-Thread/rt-thread#11739 · 3 comments · 1 assignee · Opened Aug 23, 2026
[Bug] sdio_read_cis() 中部分 CIS 元组分支未释放节点，反复 SDIO 初始化/反初始化导致内存泄漏 Open

bug in progress

RT-Thread/rt-thread#11724 · 3 comments · 1 assignee · Opened Aug 20, 2026
[Bug] [Smart][serial/tty] board 阶段注册 tty 时 workqueue 未建导致挂死，所有 Smart+board 阶段注册串口的架构均受影响 Open

BSP BSP: Loongson bug RT-Smart

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

RT-Thread/rt-thread#11718 · 1 comment · Opened Aug 18, 2026
[Bug] [Smart][tty] tty_wait_background 未守卫 td->lwp==NULL，finsh 首次 read(stdin) page fault Open

BSP BSP: Loongson bug RT-Smart

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

RT-Thread/rt-thread#11717 · 1 comment · Opened Aug 18, 2026
[Bug] [Smart][musl] 内核态调用 musl `fopen` 因 syscall 号位错配而失败，finsh 按键无反应 Open

BSP BSP: Loongson bug RT-Smart

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

RT-Thread/rt-thread#11716 · 1 comment · Opened Aug 18, 2026
[Bug] [HPM][CherryUSB] SDK与库版本不匹配 Open

Arch: RISC-V BSP BSP: HPMicro bug

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

RT-Thread/rt-thread#11708 · 2 comments · Opened Aug 13, 2026
[Bug] 给sdio的默认栈是否过小 Open

Arch: RISC-V BSP BSP: HPMicro bug Component component: drivers

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11694 · 1 comment · Opened Aug 11, 2026
[Feature] riscv进行上下文切换的时候是否需要内存屏障fence指令呢？ Open

Arch: RISC-V enhancement Kernel

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

RT-Thread/rt-thread#11693 · 1 comment · Opened Aug 10, 2026
[Bug] Bug report from static analysis Open

bug

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

RT-Thread/rt-thread#11688 · 1 comment · Opened Aug 5, 2026
[Bug] [HPM] [uart_v2] 驱动判断 TX 中断时混用了“中断 ID”和“中断使能掩码” Open

Arch: RISC-V BSP BSP: HPMicro bug

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

RT-Thread/rt-thread#11687 · 3 comments · Opened Aug 5, 2026
[Bug] 关于RP2040在WIN环境下使用ENV构建报错出现bs2_default_padded_checksummed.S未找到问题 Open

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

RT-Thread/rt-thread#11655 · 2 comments · Opened Jul 23, 2026
[Feature] 关于RT-Thread的编码规范 Open

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

RT-Thread/rt-thread#11653 · 4 comments · Opened Jul 23, 2026
[Bug] rt_vsnprintf格式化long long数值错误 Open

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

RT-Thread/rt-thread#11596 · Opened Jul 9, 2026
[Feature] Request to update the lwip components to version 2.2.1 Open

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

RT-Thread/rt-thread#11588 · 1 reaction · Opened Jul 8, 2026
[Feature] RT-Thread 主仓瘦身计划 - 删减同系列同型号的BSP Open

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

RT-Thread/rt-thread#11587 · Opened Jul 8, 2026
[Bug] drv_can: RT_CAN_FILTER_STD_INIT和RT_CAN_FILTER_EXT_INIT的mask赋值疑问 Open

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

RT-Thread/rt-thread#11576 · 1 comment · Opened Jul 6, 2026
[Feature] I2C驱动框架的rt_i2c_control函数，V5.2.2版本看是没有获取设备锁，那是不是意味着要修改速率的时候，必须保证I2C是停止状态。 Open

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

RT-Thread/rt-thread#11524 · Opened Jun 27, 2026
[Bug] 任务调度bug Open

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

RT-Thread/rt-thread#11512 · 2 comments · Opened Jun 24, 2026
stm32 canfd Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

RT-Thread/rt-thread#11476 · 3 comments · Opened Jun 13, 2026
[Feature] rt_null.c 初始化顺序太低无法作为默认的日志口 Open

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

RT-Thread/rt-thread#11472 · Opened Jun 12, 2026
[Feature] 完善外设驱动 utest 覆盖清单 Open

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

RT-Thread/rt-thread#11446 · 2 reactions · Opened Jun 8, 2026
[Bug] IAR 编译错误 (rt_list_for_each_entry 使用了 IAR 8.x不支持的关键字 __typeof ) Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

RT-Thread/rt-thread#11441 · 2 comments · Opened Jun 4, 2026
[Bug] Security-related Bug RT-Smart serial ioctl trusts user pointers and can crash the kernel Open

RT-Thread/rt-thread#11429 · 1 reaction · 2 assignees · Opened Jun 2, 2026
[Bug] Security-related Bug: sys_getaddrinfo trusts nested user pointer and can write outside validated user memory Open

RT-Thread/rt-thread#11428 · 1 reaction · 2 assignees · Opened Jun 1, 2026
[Bug] Security-related Bug: SWM341 CAN receive path trusts raw DLC and writes past fixed receive buffers Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

RT-Thread/rt-thread#11425 · Opened May 30, 2026
[Bug] Potential command injection risk in auto_assign_reviewers GitHub Actions workflow Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11400 · Opened May 18, 2026
[Bug] 在串口V2的驱动里面，_serial_poll_tx 这个函数里面，为什么要判断if (putc_result < 0) break;，这样会导致发送中文错误。 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11392 · 4 comments · Opened May 15, 2026
[Feature] 把厂家的sdk复用，避免同一系列的sdk下载多次 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11389 · Opened May 12, 2026
[Bug] smart版本启用RT_USING_PTHREADS配置后，无法通过编译，类型冲突 Open

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

RT-Thread/rt-thread#11339 · 3 comments · Opened Apr 21, 2026
[Bug] FinSH console command lacks asynchronous-safe attribute validation Open

RT-Thread/rt-thread#11336 · 1 reaction · 2 assignees · Opened Apr 17, 2026
[Bug]cvitek duo256m smart 异常 Open

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

RT-Thread/rt-thread#11334 · Opened Apr 17, 2026
[Bug] RT-Thread AT socket resolver: user-controlled numeric hostname triggers kernel stack overflow via getaddrinfo()/gethostbyname*() Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11332 · 1 comment · Opened Apr 16, 2026
[Bug] Malicious virtio backend can trigger guest-kernel memory corruption and packet-borne data disclosure via unvalidated used-ring metadata Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11327 · 3 comments · Opened Apr 13, 2026
DHCP server unbounded option parsing - OOB read from packet buffer Open

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

RT-Thread/rt-thread#11323 · Opened Apr 10, 2026
[Bug] OOB write in OpenAMP virtual UART RX ring buffer on stm32mp157a-st-ev1 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11299 · Opened Mar 26, 2026
[Bug] 使用带颜色的日志输出后不能恢复默认颜色问题 Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

RT-Thread/rt-thread#11296 · 1 reaction · Opened Mar 25, 2026
[Bug] mq_open() / mq_unlink() build /dev/mqueue/<name> with rt_sprintf() into a fixed stack buffer, allowing stack overflow Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

RT-Thread/rt-thread#11292 · Opened Mar 24, 2026
[Bug] 9PFS client trusts server-controlled stat/name lengths in getdents path, leading to out-of-bounds read Open

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

RT-Thread/rt-thread#11289 · Opened Mar 23, 2026
[Bug] legacy USB host trusts device-controlled bNumInterfaces and can trigger out-of-bounds access in fixed interface array Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11288 · Opened Mar 23, 2026
[Bug] legacy usbdevice core trusts host-controlled wLength for Microsoft OS Compatible ID descriptor responses, causing heap out-of-bounds read and information disclosure Open

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

RT-Thread/rt-thread#11287 · Opened Mar 23, 2026
[Bug] DFS partition probing accepts out-of-range MBR partition geometry and may forward out-of-bounds I/O to the parent block device Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RT-Thread/rt-thread#11286 · Opened Mar 23, 2026
[Bug] mtd-cfi erase-region parser has an off-by-one out-of-bounds write when sect_count reaches CFI_FLASH_SECT_MAX Open

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

RT-Thread/rt-thread#11272 · Opened Mar 19, 2026
[Bug] malformed GPT entry with ending_lba < starting_lba creates an underflowed partition size Open

RT-Thread/rt-thread#11271 · 2 comments · 1 reaction · 2 assignees · Opened Mar 19, 2026
[Bug] dlopen() fails to find already-loaded module — name mismatch between dlmodule_find() and _dlmodule_set_name() Open

RT-Thread/rt-thread#11268 · 1 reaction · 2 assignees · Opened Mar 18, 2026

RT-Thread/rt-thread

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