Re: Frequent crashes when accessing dev_name(dev) on an empty list
Konstantin Kharlamov <[email protected]>
| Newsgroups | gmane.linux.lvm.general |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 2022-02-21 at 10:49 -0600, David Teigland wrote: > On Mon, Feb 21, 2022 at 04:45:51PM +0300, Konstantin Kharlamov wrote: > > So, what happened was that dev_name(dev) was extracting a `dev->aliases` > > element > > , however `dev->aliases` was empty, thus the extracted element was a junk. > > > > Although we encountered these crashes on an older 2.03.07 version, however > > the > > patch applies to latest master as well, thus the bugs are still relevant, > > which > > is odd. This makes me wondering, is this a known problem, could I possibly > > overlooked something, for example that dev->aliases should never be empty, > > and > > thus the fix just works around another problem? Any thoughts? > > It's familiar, but I thought it was fixed. I don't remember the details, > so we'll have to look at it again. It's related to a device being removed > from the system while the command is running, which we need to add tests > for. Okay, thank you, so I guess the conclusion is that before anything else we need to reproduce it with the latest version. _______________________________________________ linux-lvm mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/