[BUG] squashfs4 tools 4.7.4 create corrupted image

For Developers
1

OpenWRT 25.12 started using squashfs4 tool 4.7.4 to create FS images.

When building on a local machine and on GitHub servers, I encountered the fact that the resulting images were broken, which OpenWRT allows you to flash.

I have already created a bug report: https://github.com/plougher/squashfs-tools/issues/339

To get a successful build, I had to roll back the version of the squashfs4 tools:

I also decided to add a check of the created images to the build system:

3 Likes
OpenWrt 25.12.0-rc1 - Release Candidate
2

The saddest thing is that several users have already managed to brick their routers. I noticed this nasty scam too late.

2 Likes
3

I can't imagine how this wasn't noticed earlier, since already in November 2025 all snapshots were compiled with the commit that causes this bug: