CppCheck 2.8 sporadic crash on Windows

[Andrew]

I'm seeing a sporadic crash running CppCheck 2.8 on two separate projects I'm responsible for.

In fact it's crashing more often than not, so it should be quite easy to capture a dump file.

What's the best way to isolate this? Can I download debug symbols to generate a stack trace?

Or is it appropriate to compress the dump file then attach it here for someone to analyse?

[CHR]

Could you build from source and run cppcheck in the debugger? This would probably show the problem immediately.

[Andrew]

Thanks - that seems reasonable.

I've downloaded the 2.8 source code and done a build under VS2022/VC143.

I'll need a bit of time and maybe a few runs to get a failure case, so watch this space.

[Andrew]

Unfortunately my local builds of CppCheck 2.8 seems to run forever, whilst the official build (from the Windows installer) either finishes or crashes within a few minutes.

For what it's worth here are the details I can see in Visual Studio from a recent crash. I'm not sure it will be possible to deduce anything from the raw stack frames though.

Exception thrown at 0x00007FFB622DE096 (cppcheck-core.dll) in cppcheck.exe: 0xC0000005: Access violation reading location 0xFFFFFFFFFFFFFFFF.

>   cppcheck-core.dll!00007ffb622de096()    Unknown
    cppcheck-core.dll!00007ffb624827d4()    Unknown
    cppcheck-core.dll!00007ffb6247b887()    Unknown
    cppcheck-core.dll!00007ffb6247a60d()    Unknown
    cppcheck-core.dll!00007ffb6247c61e()    Unknown
    cppcheck-core.dll!00007ffb6231f953()    Unknown
    cppcheck-core.dll!00007ffb6231f208()    Unknown
    cppcheck-core.dll!00007ffb624a9376()    Unknown
    cppcheck-core.dll!00007ffb624ad7be()    Unknown
    cppcheck-core.dll!00007ffb624aa315()    Unknown
    cppcheck-core.dll!00007ffb624aa782()    Unknown
    cppcheck-core.dll!00007ffb624abfe5()    Unknown
    cppcheck-core.dll!00007ffb6259850e()    Unknown
    cppcheck-core.dll!00007ffb625c93ad()    Unknown
    cppcheck-core.dll!00007ffb625d3131()    Unknown
    cppcheck-core.dll!00007ffb625b836c()    Unknown
    cppcheck-core.dll!00007ffb6256c2d4()    Unknown
    cppcheck-core.dll!00007ffb624523f0()    Unknown
    cppcheck-core.dll!00007ffb6244cd50()    Unknown
    cppcheck.exe!00007ff647114de3() Unknown
    cppcheck.exe!00007ff6471122e4() Unknown
    cppcheck.exe!00007ff647113003() Unknown
    cppcheck.exe!00007ff6471135ff() Unknown
    cppcheck.exe!00007ff647114763() Unknown
    cppcheck.exe!00007ff647113914() Unknown
    cppcheck.exe!00007ff647112385() Unknown
    msvcp140.dll!00007ffbab6c3819() Unknown
    ntdll.dll!00007ffbb719064e()    Unknown
    ntdll.dll!00007ffbb718e864()    Unknown
    kernel32.dll!00007ffbb48b84d4() Unknown
    ntdll.dll!00007ffbb71c1791()    Unknown

[CHR]

Could this be an out-of-memory error?

[Andrew]

It doesn't appear to be memory related, unless it's incorrectly allocating a huge block just before it fails. I've monitored the process until the point of the crash and it's used <500Mb.

I did noticed that it spawned another instances of cppcheck.exe, but perhaps that's just a Windows artifact when it crashes and displays a dialog window.

In case it's relevant, note that I'm running on virtualised system, and that I'm using 8 (job) threads. I'm going to try reducing that in case it's part of the issue.

[CHR]

I just remembered this issue: https://github.com/danmar/cppcheck/commit/21d992cc006159b07b23f120c5235990adfc02c4
Maybe you can try current head?

[Andrew]

This does sounds like the same problem. I've temporarily disabled the use of job threads and so far there's no crash (at the expense of it running a bit longer of course).

Is there a pre-built version of head code? As I mentioned above, when I built it the performance was much slower, and it clearly wasn't the same as the official build which came as EXE & DLL.

If not I'll probably live with it for now and then upgrade to 2.9 when that's ready and re-enable the feature.

Either way thanks for your help.

[CHR]

With a Github account, you can grab nightly builds from here: https://github.com/danmar/cppcheck/actions/workflows/release-windows.yml