Re: [PATCH] fs: drop peer group ids under namespace lock

On Thu, 30 Mar 2023 09:13:16 +0200, Christian Brauner wrote:

When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.

Ok, syzbot is happy with this as well so let's get this fixed and backported,

tree: git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping.git branch: vfs.misc.fixes [1/1] fs: drop peer group ids under namespace lock commit: cb2239c198ad9fbd5aced22cf93e45562da781eb