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If p->mountpoint is "/", off will be 0 and we will try to acess path[-1]. On Tue, Sep 20, 2016 at 05:17:27PM +0300, Kirill Tkhai wrote: > > > > int off = 0; > > > > ... > > > > if (p->mountpoint[1] != 0) /* not / */ > > off = snprintf(path, len, %s, p->mountpoint); > > if (path[off - 1] == '/') /* p->mountpoint = ./ */ > > > > ^^^ > > The above looks like off-by-one when off == 0. Is there is > > a condition which guarantees that off is not zero? travis-ci: success for mount: skip '/' only if it is there Reported-by: Kirill Tkhai <ktkhai@virtuozzo.com> Cc: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com> Acked-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
CRIU (Checkpoint and Restore in Userspace)
An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.
The project home is at http://criu.org.
Pages worth starting with are:
- Kernel configuration, compilation, etc
- A simple example of usage
- More sophisticated example with graphical app
A video tour on basic CRIU features
How to contribute
- How to submit patches;
- Send all bug reports to mailing list;
- Spread the word about CRIU in social networks;