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博客园 - papering

由于系统缓冲区空间不足或队列已满,不能执行套接字上的操作 string byte 内存 硬盘 CAS ABA AtomicLong mysql 索引长度限制 docker network FTP Connection Modes (Active vs. Passive) 字符长度 mysql 【车载架构】AUTOSAR CP系列之27:系统内核之 WdgM 看门狗管理 单目录文件数限制 在联表 join 时 使用 case when 按不同的条件关联不同的行 JDK21 Process Reaper TLS 栈溢出循环故障深度分析 栈溢出 写入相邻的内存区域 GCC 的 -fstack-protector 会在每个函数的栈帧底部放一个随机“金丝雀值”,函数返回前检查它是否被改掉,以此检测栈缓冲区溢出。 潜伏5年!GitLab高危RCE漏洞爆发,低权限即可控服 Redis 漏洞分析——lua 脚本篇 Redis guarantees the script's atomic execution. AMQP 0-9-1 连接通过 信道 进行多路复用,信道可以被认为是“共享单一 TCP 连接的轻量级连接”。 WSAETIMEDOUT WSAEACCES This module supports asynchronous I/O on multiple file descriptors. 设置其优先级值的线程的句柄 QT 主线程 优化 卡顿 主线程上的同步重活 防重入:进行中直接 return,避免连点双开。 把「一次性任务」收到 ThreadPoolExecutor(max_workers=2~3),限制峰值线程数 统一 Activity 浮层 去掉连环成功弹窗 为 with语句上下文提供的工具 懒加载 IDE发现 import Canvas 指纹 魔改chromium源码——CDP(Chrome DevTools Protocol)检测01 whether the browser environment is controlled by a robot. chromium指纹魔改 对拷线 rpa 任务编排 a JSON formatted stream to ``fp`` “幽灵字符”问题 浏览器背后的黑科技 多进程 多线程
Docker 环境权限与资源限制 can't start new thread Secc...
papering · 2026-04-29 · via 博客园 - papering

docker run --rm -it --security-opt seccomp=unconfined debian:latest \
unshare --map-root-user --user sh -c whoami

ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/uvicorn/protocols/http/h11_impl.py", line 415, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/uvicorn/middleware/proxy_headers.py", line 60, in __call__
    return await self.app(scope, receive, send)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/fastapi/applications.py", line 1163, in __call__
    await super().__call__(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/applications.py", line 90, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/middleware/errors.py", line 186, in __call__
    raise exc
  File "/usr/local/lib/python3.12/site-packages/starlette/middleware/errors.py", line 164, in __call__
    await self.app(scope, receive, _send)
  File "/usr/local/lib/python3.12/site-packages/starlette/middleware/exceptions.py", line 63, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "/usr/local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "/usr/local/lib/python3.12/site-packages/fastapi/middleware/asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/routing.py", line 660, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/routing.py", line 680, in app
    await route.handle(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/routing.py", line 276, in handle
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/fastapi/routing.py", line 134, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "/usr/local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "/usr/local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "/usr/local/lib/python3.12/site-packages/fastapi/routing.py", line 120, in app
    response = await f(request)
               ^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/fastapi/routing.py", line 674, in app
    raw_response = await run_endpoint_function(
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/fastapi/routing.py", line 330, in run_endpoint_function
    return await run_in_threadpool(dependant.call, **values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/starlette/concurrency.py", line 32, in run_in_threadpool
    return await anyio.to_thread.run_sync(func)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/anyio/to_thread.py", line 63, in run_sync
    return await get_async_backend().run_sync_in_worker_thread(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 2486, in run_sync_in_worker_thread
    worker.start()
  File "/usr/local/lib/python3.12/threading.py", line 994, in start
    _start_new_thread(self._bootstrap, ())
RuntimeError: can't start new thread