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A tiny boost library in C++11.
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ASAN内存泄露 #324

Closed eVen-p closed 1 year ago

eVen-p commented 1 year ago

hi，我在使用Address sanitizer做内存泄露检测时，使用了类似下面的简单例子：

#include “co/co.h" 
#include <iostream>

int main() {
    go( [] {
        std::cout << "hi";
    } );
    return 0;
}

得到了如下的内存泄露报告

=============================================
==11741==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 12288 byte(s) in 1 object(s) allocated from:
#   0 0x7fd57cd3b82e in calloc (/lib64/libasan.so.5+0xl0c82e)
#   1 0x7fd57c8dlO61 in co::Epoll::Epoll(int) /libcoost-3.0.0/src/co/epol1/epol1. cc:20
#   2 0x7fd57c90674e in co::Epoll* co::make<co::Epoll, unsigned int&>(unsigned int&) /libcoost-3.0.0/include/co/mem.h:45
#   3 0x7fd57c90674e in co::schedulerImpl::schedulerImpl(unsigned int, unsigned int, unsigned int) /libcoost-3.0.0/src/co/scheduler.cc:20
#   4 0x7fd57c9119fb in co::schedulerManager::schedulerManager() /libcoost-3.0.0/src/co/scheduler.cc:240
#   5 0x7fd57c9125dO in co::schedulerManager* co::static_new<co::schedulerManager>() /opt/rh/devtoolset-8/root/usr/include/c++/8/new:169
#   6 0x7fd57c9125dO in co::scheduler_manager() /libcoost-3.0.0/src/co/scheduler. cc:253
#   7 0x7fd57c9125dO in co::go(co::closure*) /libcoost-3.0.0/src/co/scheduler.cc:281
#   8 0x40280a in void co::go<main::{lambda()#l}>(main::{lambda()#l}&&) (/test/out/test+0x40280a)
#   9 0x40255f in main (/test/out/test+0x40255f)
#   10 0x7fd57bccl554 in 1ibc_start_main ../csu/libc-start.c:266

Direct leak of 48 byte(s) in 1 object(s) allocated from:
#   0 0x7fd57cd3d36f in operator new(unsigned long) (/lib64/libasan.so.5+0xl0e36f)
#   1 0x7fd57c98f5e9 in co::xx::thread_alloc() /libcoost-3.0.0/src/mem.cc:532
#   2 0x7fd57c98f5e9 in co::free(void*, unsigned long) /libcoost-3.0.0/src/mem.cc:759
#   3 0x7fd57c912d84 in Thread::_thread_fun(void*) /libcoost-3.0.0/include/co/thread.h:251
#   4 0x7fd57b67eea4 in start_thread /usr/src/debug/glibc-2.17-c758a686/nptl/pthread_create.c:307

Direct leak of 48 byte(s) in 1 object(s) allocated from:
#   0 0x7fd57cd3d36f in operator new(unsigned long) (/lib64/libasan.so.5+0xl0e36f)
#   1 0x7fd57c98ef79 in co::xx::thread_alloc() /libcoost-3.0.0/src/mem.cc:532
#   2 0x7fd57c98ef79 in co::alloc(unsigned long) /libcoost-3.0.0/src/mem.cc:755
#   3 0x7fd57c90a86c in co::Schedulerlmpl::resume(co:Coroutine*) /libcoost-3.0.0/src/co/scheduler.cc:67
#   4 0x7fd57c90ebl0 in co::schedulerImpl::loop() /libcoost-3.0.0/src/co/scheduler.cc:165
#   5 0x7fd57c912d24 in co::xx::Method0<Taskedlmpl>::run() /libcoost-3.0.0/include/co/closure.h:92
#   6 0x7fd57c912d24 in Thread::_thread_fun(void*) /libcoost-3.0.0/include/co/thread.h:251
#   7 0x7fd57b67eea4 in start_thread /usr/src/debug/glibc-2.17-c758a686/nptl/pthread_create.c:307

Direct leak of 1048576 byte(s) in 1 object(s) allocated from:
#   0  0x7fd57cd3b82e in calloc (/lib64/libasan.so.5+0xl0c82e)
#   1  0x7fd57c906351 in co::table<co::coroutine>::table(int, int) /libcoost-3.0.0/include/co/table.h:27
#   2  0x7fd57c906351 in co::copool::copool() /libcoost-3.0.0/src/co/scheduler.h:lll
#   3  0x7fd57c906351 in co::SchedulerImpl::schedulerImpl(unsigned int, unsigned int, unsigned int) /libcoost-3.0.0/src/co/scheduler.cc:19
#   4  0x7fd57c9119fb in co::SchedulerManager::schedulerManager() /libcoost-3.0.0/src/co/scheduler.cc:240
#   5  0x7fd57c9125d0 in co::SchedulerManager* co::static_new<co::schedulerManager>() /opt/rh/devtoolset-8/root/usr/include/c++/8/new:169
#   6  0x7fd57c9125d0 in co::scheduler_manager() /libcoost-3.0.0/src/co/scheduler.cc:253
#   7  0x7fd57c9125d0 in co::go(co::closure*) /libcoost-3.0.0/src/co/scheduler.cc:281
#   8  0x40280a in void co::go<main::{lambda()#l}>(main::{lambda()#l}&&) (/test/out/test+0x40280a)
#   9  0x40255f in main (/test/out/test+0x40255f)
#   10 0x7fd57bccl554 in libc_start_main ../csu/libc-start.c:266

Indirect leak of 1048576 byte(s) in 1 object(s) allocated from:
#   0 0x7fd57cd3b638 in interceptor_malloc (/lib64/libasan.so.5+0xl0c638)
#   1 0x7fd57c9938e7 in co::xx::TnreadAlloc::alloc(unsigned long) /libcoost-3.0.0/src/mem.cc:671
#   2 0x7fd57c90a86c in co::SchedulerImpl::resume(co::coroutine ) /libcoost-3.0.0/src/co/scheduler.cc:67
#   3 0x7fd57c90ebl0 in co::SchedulerImpl::loop() /libcoost-3.0.0/src/co/scheduler.cc:165
#   4 0x7fd57c912d24 in co::xx::Method0<TaskedImpl>::run() /libcoost-3.0.0/include/co/closure.h:92
#   5 0x7fd57c912d24 in Thread::_thread_fun(void*) /libcoost-3.0.0/include/co/thread.h:251
#   6 0x7fd57b67eea4 in start_thread /usr/src/debug/glibc-2.17-c758a686/nptl/pthread_create.c:307

Indirect leak of 131072 byte(s) in 1 object(s) allocated from:
#   0 0x7fd57cd3b82e in calloc (/lib64/libasan.so.5+0xl0c82e)
#   1 0x7fd57c9O631f in co::table<co::coroutine>::table(int, int) /libcoost-3.0.0/include/co/table.h:26
#   2 0x7fd57c9O631f in co::copool::copool() /libcoost-3.0.0/src/co/scheduler.h:111
#   3 0x7fd57c9O631f in co::SchedulerImpl::schedulerImpl(unsigned int, unsigned int, unsigned int) /libcoost-3.0.0/src/co/scheduler.cc:19
#   4 0x7fd57c9119fb in co::SchedulerManager::SchedulerManager() /libcoost-3.0.0/src/co/scheduler. cc:240
#   5 0x7fd57c9125d0 in co::SchedulerManager* co::static_new<co::schedulerManager>() /opt/rh/devtoolset-8/root/usr/include/c++/8/new:169
#   6 0x7fd57c9125d0 in co::scheduler_manager() /libcoost-3.0.0/src/co/scheduler.cc:253
#   7 0x7fd57c9125d0 in co::go(co::closure*) /libcoost-3.0.0/src/co/scheduler.cc:281
#   8 0x40280a in void co::go<main::{lambda()#l}>(main::{lambda()#l}&&) (/test/out/test+0x40280a)
#   9 0x40255f in main (/test/out/test+0x40255f)
#   10 0x7fd57bccl554 in    1ibc start main ../csu/libc-start.c:266

Indirect leak of 408 byte(s) in 1 object(s) allocated from:
#   0 0x7fd57cd3d36f in operator new(unsigned long) (/lib64/libasan.so.5+0xl0e36f)
#   1 0x7fd57c911990 in co::SchedulerManager::schedulerManager() /libcoost-3.0.0/src/co/scheduler.cc:240
#   2 0x7fd57c9125d0 in co::SchedulerManager* co::static_new<co::schedulerManager>() /opt/rh/devtoolset-8/root/usr/include/c++/8/new:169
#   3 0x7fd57c9125d0 in co::scheduler_manager() /libcoost-3.0.0/src/co/scheduler.cc:253
#   4 0x7fd57c9125d0 in co::go(co::closure*) /libcoost-3.0.0/src/co/scheduler.cc:281
#   5 0x40280a in void co::go<main::{lambda()#l}>(main::{lambda()#l}&&) (/test/out/test+0x40280a)
#   6 0x40255f in main (/test/out/test+0x40255f)
#   7 0x7fd57bccl554 in __1ibc_start_main ../csu/libc-start.c:266

SUMMARY: Addresssanitizer: 2241016 byte(s) leaked in 7 allocation(s).

这样的现象是正常的吗

idealvin commented 1 year ago

正常的

eVen-p commented 1 year ago

好的