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

[Christian Brauner]

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