On Monday, Oct 15, starting at approximately 20:00 UTC, crates.io sustained an operational incident. You can find the status page report here and our tweets about it here.
A user called cratesio was created on crates.io and proceeded to upload
packages using common, short names. These packages contained nothing beyond a
Cargo.toml file and a README.md instructing users that if they wanted to use
the name, they should open an issue on the crates.io issue tracker.
The rate at which this user uploaded packages eventually resulted in our servers being throttled by GitHub, causing a slowdown in all package uploads or yanks. Endpoints which did not involve updating the index were unaffected.
We decided to take action on this behavior because:
cratesio, as well as directing people
to the crates-io issue tracker in the crates' Readme files)The user's IP address was banned immediately. We then backdated the users' packages to remove
their packages from the homepage. We also redirected the cratesio user's page to a 404.
Finally, the cratesio user and all crates they uploaded were deleted.
The user was reported to GitHub, and has since been banned by them.
cratesio registers an accountIt should not have been possible for a single user or IP address to upload that many packages in a short period of time. We will be introducing rate limiting on this endpoint to limit the number of packages a script is able to upload in the future.
We are also looking into disallowing usernames that could be impersonating official Rust teams. We will be updating our policies to clearly state that this form of impersonation is not allowed. We will be deciding the exact wording of this policy in the coming weeks.
While it is impossible to tell a user's intent, many, including the team, have speculated that this action was either associated with or directly related to the recent escalation in community frustration around crates.io policies, in particular, the squatting policy.
Regardless of whether this incident had this intent, the cratesio team would like to reiterate that taking actions such as the one we experienced on Tuesday is not an appropriate nor effective way to contribute to dialogue about crates.io policy. We will be adding a policy making it clear that attempting to disrupt crates.io in order to make or further a point is not appropriate and will be considered a malicious attack. We will be deciding on the exact wording of this policy in the coming weeks.
If you feel that a policy is problematic, the correct place to propose a change is by creating an RFC or messaging the team at help@crates.io.
We also have seen a lot of frustration that the crates.io team is not listening to the concerns that are being raised on both official and unofficial Rust forums. We agree that we should improve our communication with the community and intend to develop more processes for folks to communicate with us, as well as for the team to communicate to the general community.
There has been a growing amount of discussion in the community around our squatting policy and our decision not to have namespacing.
The original squatting policy, published in 2014, contains a lot more information about the rationale behind the policy than what is currently on our website. The full text of the original policy is:
Nobody likes a “squatter”, but finding good rules that define squatting that can be applied mechanically is notoriously difficult. If we require that the package has at least some content in it, squatters will insert random content. If we require regular updates, squatters will make sure to update regularly, and that rule might apply over-zealously to packages that are relatively stable.
A more case-by-case policy would be very hard to get right, and would almost certainly result in bad mistakes and regular controversies.
Instead, we are going to stick to a first-come, first-served system. If someone wants to take over a package, and the previous owner agrees, the existing maintainer can add them as an owner, and the new maintainer can remove them. If necessary, the team may reach out to inactive maintainers and help mediate the process of ownership transfer. We know that this means, in practice, that certain desirable names will be taken early on, and that those early users may not be using them in the most optimal way (whether they are claimed by squatters or just low-quality packages). Other ecosystems have addressed this problem through the use of more colorful names, and we think that this is actually a feature, not a bug, of this system. We talk about this more below.
We will be discussing whether including some of this information in the policy published on our website would help more people to understand the rationale behind our policy, without requiring members of the team to reply to every forum thread wanting to re-litigate what has already been discussed at length.
We wanted to share the details of what happened and why the crates.io team chose to take action as quickly as possible. The policy changes we've described will be discussed during the next several team meetings. Nothing is set in stone until the team has a chance to discuss them further, but we wanted to share the possible changes we're discussing to limit speculation on what future actions we're planning on taking.
As a reminder, if you would like to report an incident regarding cratesio, you can message the team at help@crates.io. You can view the status of the service at https://crates-io.statuspage.io/ and/or by following @cratesiostatus on Twitter.
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