Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-09 Thread Greg KH
On Sun, Sep 09, 2018 at 11:16:33AM +0200, Greg KH wrote: > On Sun, Sep 09, 2018 at 12:56:45AM -0300, Rafael David Tinoco wrote: > > Greg, > > > > On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman > > wrote: > > > > > > 4.4-stable review patch. If anyone has any objections, please let me > > >

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-09 Thread Greg KH
On Sun, Sep 09, 2018 at 11:16:33AM +0200, Greg KH wrote: > On Sun, Sep 09, 2018 at 12:56:45AM -0300, Rafael David Tinoco wrote: > > Greg, > > > > On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman > > wrote: > > > > > > 4.4-stable review patch. If anyone has any objections, please let me > > >

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-09 Thread Greg KH
On Sun, Sep 09, 2018 at 12:56:45AM -0300, Rafael David Tinoco wrote: > Greg, > > On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman > wrote: > > > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Jann Horn > > > > commit

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-09 Thread Greg KH
On Sun, Sep 09, 2018 at 12:56:45AM -0300, Rafael David Tinoco wrote: > Greg, > > On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman > wrote: > > > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Jann Horn > > > > commit

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-09 Thread Greg KH
On Sun, Sep 09, 2018 at 12:56:45AM -0300, Rafael David Tinoco wrote: > Greg, > > On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman > wrote: > > > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Jann Horn > > > > commit

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-09 Thread Greg KH
On Sun, Sep 09, 2018 at 12:56:45AM -0300, Rafael David Tinoco wrote: > Greg, > > On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman > wrote: > > > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > -- > > > > From: Jann Horn > > > > commit

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-08 Thread Rafael David Tinoco
Greg, On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > -- > > From: Jann Horn > > commit 5820f140edef111a9ea2ef414ab2428b8cb805b1 upstream. > > The old code would hold the

Re: [PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-08 Thread Rafael David Tinoco
Greg, On Fri, Sep 7, 2018 at 6:41 PM Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > -- > > From: Jann Horn > > commit 5820f140edef111a9ea2ef414ab2428b8cb805b1 upstream. > > The old code would hold the

[PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-07 Thread Greg Kroah-Hartman
4.4-stable review patch. If anyone has any objections, please let me know. -- From: Jann Horn commit 5820f140edef111a9ea2ef414ab2428b8cb805b1 upstream. The old code would hold the userns_state_mutex indefinitely if memdup_user_nul stalled due to e.g. a userfault region.

[PATCH 4.4 34/47] userns: move user access out of the mutex

2018-09-07 Thread Greg Kroah-Hartman
4.4-stable review patch. If anyone has any objections, please let me know. -- From: Jann Horn commit 5820f140edef111a9ea2ef414ab2428b8cb805b1 upstream. The old code would hold the userns_state_mutex indefinitely if memdup_user_nul stalled due to e.g. a userfault region.