maybe it is because of the way I compile my app using -lasan directly during link process, after modification, there is no such errors any more
xian li <[email protected]> 于2021年2月5日周五 下午4:54写道： > > Hi, > > I am using asan to detect our app's memory problems, but when run our app > with asan, > the SEGV happened, the backtrace is like the following > ----------------------------------------------------- > (gdb) bt > #0 0x0000007fb72ce304 in __asan::Allocate (size=<optimized out>, > size@entry=67, alignment=<optimized out>, alignment@entry=0, > stack=stack@entry=0x7fab1fd650, > alloc_type=alloc_type@entry=__asan::FROM_NEW, > can_fill=can_fill@entry=true) > at > /home/user/Downloads/cross_compile_gcc/gcc-linara-5.4.0/libsanitizer/asan/asan_allocator2.cc:332 > #1 0x0000007fb72ceecc in __asan::asan_memalign (alignment=alignment@entry=0, > size=size@entry=67, stack=stack@entry=0x7fab1fd650, > alloc_type=alloc_type@entry=__asan::FROM_NEW) > at > /home/user/Downloads/cross_compile_gcc/gcc-linara-5.4.0/libsanitizer/asan/asan_allocator2.cc:581 > #2 0x0000007fb733f0e4 in operator new (size=67) > at > /home/user/Downloads/cross_compile_gcc/gcc-linara-5.4.0/libsanitizer/asan/asan_new_delete.cc:60 > #3 0x0000007fb72379b4 in std::__cxx11::basic_string<char, > std::char_traits<char>, std::allocator<char> >::_M_mutate(unsigned long, > unsigned long, char const*, unsigned long) () from /usr/lib64/libstdc++.so.6 > #4 0x0000007fb7238e68 in std::__cxx11::basic_string<char, > std::char_traits<char>, std::allocator<char> >::_M_append(char const*, > unsigned long) () > from /usr/lib64/libstdc++.so.6 > #5 0x00000000004a02bc in std::__cxx11::basic_string<char, > std::char_traits<char>, std::allocator<char> >::append (__str=..., > this=<optimized out>) > ---Type <return> to continue, or q <return> to quit--- > at > ../../../../platform/linux/agl_common/include/c++/5.3.0/bits/basic_string.h:984 > #6 std::operator+<char, std::char_traits<char>, std::allocator<char> > ( > __rhs=..., __lhs=...) > at > ../../../../platform/linux/agl_common/include/c++/5.3.0/bits/basic_string.h:4789 > #7 ZmDvrTitle::getImg (this=this@entry=0x7fae713990, prop=..., bmpName=...) > at ../../../../projects/product/node/dvr/zm_dvr_title.cpp:119 > --------------------------------------------------------------- > Any ideas about it? is it the problem of our app or problem of asan? > how can I know them？ thanks in advance > > -- > You received this message because you are subscribed to a topic in the Google > Groups "address-sanitizer" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/address-sanitizer/7Puu1Nti6mU/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/address-sanitizer/cca45a03-59d6-491f-98c6-6c4aa7837bc1n%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "address-sanitizer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/address-sanitizer/CAA2%2Bws9nYQw28XHzkhRkvS70x-hZRB-DsHXry-T7sr3%3D%2BkXymA%40mail.gmail.com.
