Re: Reproducible, corrupt packfile after fresh

> I'm a heavy user of git-svn and experience an issue with one specific
> (git-svn) repository: 'git fsck' reports a corrupt packfile after every
> checkout.
> 
> Now I'm totally puzzled about the cause and what do about it.
> This is what I do:
> 
>     git svn init -s http://svn.foo.com/myproject myproject.git
>     cd myproject.git
>     git svn fetch         # Much more reliable than 'git-svn clone'
> 
> This checks out ~2100 commits and executes 2 git-gc during checkout. The
> final .git repo size is about 940MB. Then I run
> 
>     git fsck
> 
> ➜ myproject.git git:(master) git fsck
> Checking object directories: 100% (256/256), done.
> error: packed 0f5f33639bfc1a781fe080c31a1f076d9a25c1d3 from
> .git/objects/pack/pack-6a6f5355584a5d71215d5fc867ce09602ceab533.pack is
> corrupt
> *** glibc detected *** git: free(): invalid pointer: 0x00007f46a09e9010 ***
> ======= Backtrace: =========
> /lib/x86_64-linux-gnu/libc.so.6(+0x7eb96)[0x7f46d9ebab96]
> git[0x4ddf46]
> git[0x4b4123]
> git[0x431524]
> git[0x405ce8]
> git[0x4050e2]
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x7f46d9e5d76d]
> git[0x405529]
> ======= Memory map: ========
> 00400000-0055f000 r-xp 00000000 fc:01 12452043
>  /usr/bin/git
> 0075e000-0075f000 r--p 0015e000 fc:01 12452043
>  /usr/bin/git
> 
> ....
> 
> 
> This only affects this very particular git-svn repo (and I have dozens
> of them). The error happens reproducible on every fresh checkout as
> described above. The backtrace does not appear always. The object is a
> very large blob
> 
>     git show 0f5f33639bfc1a781fe080c31a1f076d9a25c1d3 | wc -c
>     39524691
> 
> 
> Any hints what to do?
> 
> Thanks
> - Ben
> 
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