Re: (no subject)

From: Richard Hodges (hodges.r_at_[hidden])
Date: 2021-02-18 09:37:28

I'm pretty sure I encountered the same issue a while back, which was fixed
by upgrading to a more recent boost.

On Thu, 18 Feb 2021 at 07:50, Dk Jack via Boost-users <
boost-users_at_[hidden]> wrote:

> Hi,
> I am using boost 1.58 in my project. Ran into a crash in the boost
> filesystem library.
> I've included the relevant stack trace at the end of the email. My code is
> something like this:
>
>   boost::filesystem::path fpath(mFilename.c_str());
>   if (!boost::filesystem::exists(fpath)) {
>     // log a message and return.
>     return;
>   }
>
>   auto curr_time = boost::filesystem::last_write_time(fpath); <== crash
>
> The crash is not consistent and happened randomly. I tested the above code
> in a small test program with just the above code. I made the input file
> unreadable etc, even then it was able to successfully read the last write
> timestamp of the file without any issues. Not sure why this particular call
> would throw an error. Since it's compiled with -O2, the error code is
> optimized out in the stack trace. Any ideas?
>
> Thanks for your help.
> Dk.
>
> (gdb) bt
> #0  0x00007f01651ba387 in raise () from /lib64/libc.so.6
> #1  0x00007f01651bba78 in abort () from /lib64/libc.so.6
> #2  0x00007f0160d087d5 in __gnu_cxx::__verbose_terminate_handler() () from
> /lib64/libstdc++.so.6
> #3  0x00007f0160d06746 in ?? () from /lib64/libstdc++.so.6
> #4  0x00007f0160d06773 in std::terminate() () from /lib64/libstdc++.so.6
> #5  0x00007f0160d06993 in __cxa_throw () from /lib64/libstdc++.so.6
> #6  0x00007f0161171f5f in
> boost::filesystem::detail::last_write_time(boost::filesystem::path const&,
> boost::system::error_code*) ()
>    from xxx.so
> #7  0x00007f0161089657 in last_write_time (p=...)
>     at /usr/local/include/boost/filesystem/operations.hpp:594
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-- 
Richard Hodges
hodges.r_at_[hidden]
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