Re: segfault in git-remote-http

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On Wed, 10 Apr 2013 14:51:15 -0400
Jeff King <peff@xxxxxxxx> wrote:

> On Wed, Apr 10, 2013 at 09:08:50AM -0700, rh wrote:
> 
> > > which should show both program names. Git invokes git-remote-*
> > > based on the URL you fed it. So if you are seeing a segfault in
> > > git-remote-http, presumably you fed it an http URL (which may
> > > still execute SSL code if it redirects to an https URL).
> > 
> > Here's the command I ran (from initial post):
> > git clone https://github.com/bitcoin/bitcoin.git
> > 
> > This returns no error on the command line and produced the segfault
> > reported by the kernel. git clone returns immediately.
> 
> It does correctly report a failed exit code. The lack of message is
> because git assumes that the helper will produce a useful message
> before dying, but obviously it doesn't.  There's already a patch[1]
> to fix this, but it hasn't been merged yet.

Oh yeah, I didn't check $? but I got sidetracked seeing the segfault.

> 
> As for why dmesg reports git-remote-http, I'm not sure. If you "strace
> -f" the command, you can see that git is running git-remote-https. Why
> the kernel chooses to report "git-remote-http", I don't know; you'd
> have to look into how the kernel makes that decision. But I doubt it
> is related to the reason for the segfault in the first place.

This could be that it's using the first match or entry in the hardlink list.
Which seems like a bad idea ... but that's a wild guess.

I agree it seems unlikely that it's related to the segfault.

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