Re: [PATCH][RFC] selinuxfs: saner handling of policy reloads

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On Tue, Nov 14, 2023 at 3:57 PM Stephen Smalley
<stephen.smalley.work@xxxxxxxxx> wrote:
> On Mon, Nov 13, 2023 at 11:19 AM Paul Moore <paul@xxxxxxxxxxxxxx> wrote:
> > On Mon, Oct 16, 2023 at 6:08 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> > >
> > > [
> > > That thing sits in viro/vfs.git#work.selinuxfs; I have
> > > lock_rename()-related followups in another branch, so a pull would be more
> > > convenient for me than cherry-pick.  NOTE: testing and comments would
> > > be very welcome - as it is, the patch is pretty much untested beyond
> > > "it builds".
> > > ]
> >
> > Hi Al,
> >
> > I will admit to glossing over the comment above when I merged this
> > into the selinux/dev branch last night.  As it's been a few weeks, I'm
> > not sure if the comment above still applies, but if it does let me
> > know and I can yank/revert the patch in favor of a larger pull.  Let
> > me know what you'd like to do.
>
> Seeing this during testsuite runs:
>
> [ 3550.206423] SELinux:  Converting 1152 SID table entries...
> [ 3550.666195] ------------[ cut here ]------------
> [ 3550.666201] WARNING: CPU: 3 PID: 12300 at fs/inode.c:330 drop_nlink+0x57/0x70

How are you running the test suite Stephen?  I haven't hit this in my
automated testing and I did another test run manually to make sure I
wasn't missing it and everything ran clean.

I'm running the latest selinux-testsuite on a current Rawhide system
with kernel 6.7.0-0.rc1.20231114git9bacdd89.17.1.secnext.fc40 (current
Rawhide kernel + the LSM, SELinux, and audit dev trees).

-- 
paul-moore.com





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