x/tools/gopls: symbolic link to / causes ModuleResolver to scan entire file system, burning CPU #74686
Description
What did you do?
Clone https://github.com/opencontainers/runc/ and do this:
cd runc
ln -s / gopls-cpu-high
Then open any file in the project and wait 1-3 minutes.
For example, I used:
vim libcontainer/rootfs_linux.go
This should work with any go project that you add the symlink to.
What did you expect to see?
gopls doesn't use 2000% of cpu continously .
I'm not 100% sure gopls can handle this situation nor if it makes sense to do it. I'm mostly reporting it because it took me some hours to figure out (I had a lot of files not tracked and that symlink was a mistake). I'm fine if you want to close as won't fix :-)
What did you see instead?
gopls uses 2000% of the cpu continously.
Build info
golang.org/x/tools/gopls v0.19.1
golang.org/x/tools/[email protected] h1:Yodhp3rnpnag60lVZrYPYbGMxTlTCIAj/B2Rv7AKuhA=
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github.com/fatih/[email protected] h1:hxNvNX/xYBp0ovncs8WyWZrOrpBNub/JfaMvbURyft8=
github.com/fatih/[email protected] h1:dDSgAjoOMp8da3egfz0t2S+t8RGOpEmEXZubcGuc0Bg=
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github.com/google/[email protected] h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
golang.org/x/exp/[email protected] h1:Br3+0EZZohShrmVVc85znGpxw7Ca8hsUJlrdT/JQGw8=
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honnef.co/go/[email protected] h1:fj8r9irJSpolAGUdZBxJIRY3lLc4jH2Dt4lwnWyWwpw=
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go: go1.24.4