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From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Cc: linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Sean Young <sean-hENCXIMQXOg@public.gmane.org>,
	linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Daniel Vetter <daniel.vetter-/w4YWyX8dFk@public.gmane.org>,
	linux-pci <linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	dri-devel
	<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	Bjorn Andersson
	<bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	sparclinux <sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Mauro Carvalho Chehab
	<mchehab+samsung-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	driverdevel
	<devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org>,
	linux-scsi <linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
	y2038 Mailman List
	<y2038-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>,
	qat-linux-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	Jason Gunthorpe <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	"open list:HID CORE LAYER"
	<linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Darren Hart <dvhart-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Linux Media Mailing List
	<linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-remoteproc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
	Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
	Jonathan Cameron <Jonathan.Cameron@h>
Subject: Re: [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl
Date: Fri, 26 Apr 2019 09:46:13 +0200	[thread overview]
Message-ID: <CAK8P3a3CzKLvpUiVV_k__kkaZ=wg2fqnFEzWYL9qNwBfxMKZ9w@mail.gmail.com> (raw)
In-Reply-To: <5511420228cb38d08a67c0f6a614b7671d7d23d4.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>

On Thu, Apr 25, 2019 at 11:25 PM Johannes Berg
<johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org> wrote:
> On Thu, 2019-04-25 at 17:55 +0200, Arnd Bergmann wrote:
> > On Thu, Apr 25, 2019 at 5:35 PM Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org> wrote:
> > >
> > > On Thu, Apr 25, 2019 at 12:21:53PM -0300, Mauro Carvalho Chehab wrote:
> > >
> > > > If I understand your patch description well, using compat_ptr_ioctl
> > > > only works if the driver is not for s390, right?
> > >
> > > No; s390 is where "oh, just set ->compat_ioctl same as ->unlocked_ioctl
> > > and be done with that; compat_ptr() is a no-op anyway" breaks.  IOW,
> > > s390 is the reason for having compat_ptr_ioctl() in the first place;
> > > that thing works on all biarch architectures, as long as all stuff
> > > handled by ->ioctl() takes pointer to arch-independent object as
> > > argument.  IOW,
> > >         argument ignored => OK
> > >         any arithmetical type => no go, compat_ptr() would bugger it
> > >         pointer to int => OK
> > >         pointer to string => OK
> > >         pointer to u64 => OK
> > >         pointer to struct {u64 addr; char s[11];} => OK
> >
> > To be extra pedantic, the 'struct {u64 addr; char s[11];} '
> > case is also broken on x86, because sizeof (obj) is smaller
> > on i386, even though the location of the members are
> > the same. i.e. you can copy_from_user() this
>
> Actually, you can't even do that because the struct might sit at the end
> of a page and then you'd erroneously fault in this case.
>
> We had this a while ago with struct ifreq, see commit 98406133dd and its
> parents.

Yes, you are right. Very rare to hit with real-life code, but easily
reproduced by intentionally hitting it and clearly a bug.

As the saying goes

  | the difference between "always works" and "almost always works"
  | is called data corruption

here the difference is an -EFAULT.

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	y2038 Mailman List <y2038@lists.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	David Sterba <dsterba@suse.com>,
	Darren Hart <dvhart@infradead.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	driverdevel <devel@driverdev.osuosl.org>,
	qat-linux@intel.com,
	"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
	<linux-crypto@vger.kernel.org>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linaro-mm-sig@lists.linaro.org, amd-gfx@lists.freedesktop.org,
	"open list:HID CORE LAYER" <linux-input@vger.kernel.org>,
	linux-iio@vger.kernel.org,
	linux-rdma <linux-rdma@vger.kernel.org>,
	linux-nvdimm@lists.01.org, linux-nvme@lists.infradead.org,
	linux-pci <linux-pci@vger.kernel.org>,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	linux-remoteproc@vger.kernel.org,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	USB list <linux-usb@vger.kernel.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	ceph-devel <ceph-devel@vger.kernel.org>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>, Sean Young <sean@mess.org>
Subject: Re: [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl
Date: Fri, 26 Apr 2019 09:46:13 +0200	[thread overview]
Message-ID: <CAK8P3a3CzKLvpUiVV_k__kkaZ=wg2fqnFEzWYL9qNwBfxMKZ9w@mail.gmail.com> (raw)
In-Reply-To: <5511420228cb38d08a67c0f6a614b7671d7d23d4.camel@sipsolutions.net>

On Thu, Apr 25, 2019 at 11:25 PM Johannes Berg
<johannes@sipsolutions.net> wrote:
> On Thu, 2019-04-25 at 17:55 +0200, Arnd Bergmann wrote:
> > On Thu, Apr 25, 2019 at 5:35 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
> > >
> > > On Thu, Apr 25, 2019 at 12:21:53PM -0300, Mauro Carvalho Chehab wrote:
> > >
> > > > If I understand your patch description well, using compat_ptr_ioctl
> > > > only works if the driver is not for s390, right?
> > >
> > > No; s390 is where "oh, just set ->compat_ioctl same as ->unlocked_ioctl
> > > and be done with that; compat_ptr() is a no-op anyway" breaks.  IOW,
> > > s390 is the reason for having compat_ptr_ioctl() in the first place;
> > > that thing works on all biarch architectures, as long as all stuff
> > > handled by ->ioctl() takes pointer to arch-independent object as
> > > argument.  IOW,
> > >         argument ignored => OK
> > >         any arithmetical type => no go, compat_ptr() would bugger it
> > >         pointer to int => OK
> > >         pointer to string => OK
> > >         pointer to u64 => OK
> > >         pointer to struct {u64 addr; char s[11];} => OK
> >
> > To be extra pedantic, the 'struct {u64 addr; char s[11];} '
> > case is also broken on x86, because sizeof (obj) is smaller
> > on i386, even though the location of the members are
> > the same. i.e. you can copy_from_user() this
>
> Actually, you can't even do that because the struct might sit at the end
> of a page and then you'd erroneously fault in this case.
>
> We had this a while ago with struct ifreq, see commit 98406133dd and its
> parents.

Yes, you are right. Very rare to hit with real-life code, but easily
reproduced by intentionally hitting it and clearly a bug.

As the saying goes

  | the difference between "always works" and "almost always works"
  | is called data corruption

here the difference is an -EFAULT.

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	y2038 Mailman List <y2038@lists.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	David Sterba <dsterba@suse.com>,
	Darren Hart <dvhart@infradead.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	driverdevel <devel@driverdev.osuosl.org>,
	qat-linux@intel.com,
	"open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
	<linux-crypto@vger.kernel.org>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linaro-mm-sig@lists.linaro.org, amd-gfx@lists.freedesktop.org,
	"open list:HID CORE LAYER" <linux-input@vger.kernel.org>,
	linux-iio@vger.kernel.org,
	linux-rdma <linux-rdma@vger.kernel.org>,
	linux-nvdimm@lists.01.org, linux-nvme@lists.infradead.org,
	linux-pci <linux-pci@vger.kernel.org>,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	linux-remoteproc@vger.kernel.org,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	USB list <linux-usb@vger.kernel.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	ceph-devel <ceph-devel@vger.kernel.org>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>, Sean Young <sean@mess.org>
Subject: Re: [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl
Date: Fri, 26 Apr 2019 09:46:13 +0200	[thread overview]
Message-ID: <CAK8P3a3CzKLvpUiVV_k__kkaZ=wg2fqnFEzWYL9qNwBfxMKZ9w@mail.gmail.com> (raw)
In-Reply-To: <5511420228cb38d08a67c0f6a614b7671d7d23d4.camel@sipsolutions.net>

On Thu, Apr 25, 2019 at 11:25 PM Johannes Berg
<johannes@sipsolutions.net> wrote:
> On Thu, 2019-04-25 at 17:55 +0200, Arnd Bergmann wrote:
> > On Thu, Apr 25, 2019 at 5:35 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
> > >
> > > On Thu, Apr 25, 2019 at 12:21:53PM -0300, Mauro Carvalho Chehab wrote:
> > >
> > > > If I understand your patch description well, using compat_ptr_ioctl
> > > > only works if the driver is not for s390, right?
> > >
> > > No; s390 is where "oh, just set ->compat_ioctl same as ->unlocked_ioctl
> > > and be done with that; compat_ptr() is a no-op anyway" breaks.  IOW,
> > > s390 is the reason for having compat_ptr_ioctl() in the first place;
> > > that thing works on all biarch architectures, as long as all stuff
> > > handled by ->ioctl() takes pointer to arch-independent object as
> > > argument.  IOW,
> > >         argument ignored => OK
> > >         any arithmetical type => no go, compat_ptr() would bugger it
> > >         pointer to int => OK
> > >         pointer to string => OK
> > >         pointer to u64 => OK
> > >         pointer to struct {u64 addr; char s[11];} => OK
> >
> > To be extra pedantic, the 'struct {u64 addr; char s[11];} '
> > case is also broken on x86, because sizeof (obj) is smaller
> > on i386, even though the location of the members are
> > the same. i.e. you can copy_from_user() this
>
> Actually, you can't even do that because the struct might sit at the end
> of a page and then you'd erroneously fault in this case.
>
> We had this a while ago with struct ifreq, see commit 98406133dd and its
> parents.

Yes, you are right. Very rare to hit with real-life code, but easily
reproduced by intentionally hitting it and clearly a bug.

As the saying goes

  | the difference between "always works" and "almost always works"
  | is called data corruption

here the difference is an -EFAULT.

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	y2038 Mailman List <y2038@lists.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	David Sterba <dsterba@suse.com>,
	Darren Hart <dvhart@infradead.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	driverdevel <devel@driverdev.osuosl.org>,
	qat-linux@intel.com,
	"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
	<linux-crypto@vger.kernel.org>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linaro-mm-sig@lists.linaro.org, amd-gfx@lists.freedesktop.org,
	"open list:HID CORE LAYER" <linux-input@vger.kernel.org>,
	linux-iio@vger.kernel.org,
	linux-rdma <linux-rdma@vger.kernel.org>,
	linux-nvdimm@lists.01.org, linux-nvme@lists.infradead.org,
	linux-pci <linux-pci@vger.kernel.org>,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	linux-remoteproc@vger.kernel.org,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	USB list <linux-usb@vger.kernel.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	ceph-devel <ceph-devel@vger.kernel.org>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>, Sean Young <sean@mess.org>
Subject: [v3,12/26] compat_ioctl: move more drivers to compat_ptr_ioctl
Date: Fri, 26 Apr 2019 09:46:13 +0200	[thread overview]
Message-ID: <CAK8P3a3CzKLvpUiVV_k__kkaZ=wg2fqnFEzWYL9qNwBfxMKZ9w@mail.gmail.com> (raw)

On Thu, Apr 25, 2019 at 11:25 PM Johannes Berg
<johannes@sipsolutions.net> wrote:
> On Thu, 2019-04-25 at 17:55 +0200, Arnd Bergmann wrote:
> > On Thu, Apr 25, 2019 at 5:35 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
> > >
> > > On Thu, Apr 25, 2019 at 12:21:53PM -0300, Mauro Carvalho Chehab wrote:
> > >
> > > > If I understand your patch description well, using compat_ptr_ioctl
> > > > only works if the driver is not for s390, right?
> > >
> > > No; s390 is where "oh, just set ->compat_ioctl same as ->unlocked_ioctl
> > > and be done with that; compat_ptr() is a no-op anyway" breaks.  IOW,
> > > s390 is the reason for having compat_ptr_ioctl() in the first place;
> > > that thing works on all biarch architectures, as long as all stuff
> > > handled by ->ioctl() takes pointer to arch-independent object as
> > > argument.  IOW,
> > >         argument ignored => OK
> > >         any arithmetical type => no go, compat_ptr() would bugger it
> > >         pointer to int => OK
> > >         pointer to string => OK
> > >         pointer to u64 => OK
> > >         pointer to struct {u64 addr; char s[11];} => OK
> >
> > To be extra pedantic, the 'struct {u64 addr; char s[11];} '
> > case is also broken on x86, because sizeof (obj) is smaller
> > on i386, even though the location of the members are
> > the same. i.e. you can copy_from_user() this
>
> Actually, you can't even do that because the struct might sit at the end
> of a page and then you'd erroneously fault in this case.
>
> We had this a while ago with struct ifreq, see commit 98406133dd and its
> parents.

Yes, you are right. Very rare to hit with real-life code, but easily
reproduced by intentionally hitting it and clearly a bug.

As the saying goes

  | the difference between "always works" and "almost always works"
  | is called data corruption

here the difference is an -EFAULT.

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Cc: linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Sean Young <sean-hENCXIMQXOg@public.gmane.org>,
	linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Daniel Vetter <daniel.vetter-/w4YWyX8dFk@public.gmane.org>,
	linux-pci <linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	dri-devel
	<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	Bjorn Andersson
	<bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	sparclinux <sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Mauro Carvalho Chehab
	<mchehab+samsung-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	driverdevel
	<devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org>,
	linux-scsi <linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
	y2038 Mailman List
	<y2038-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>,
	qat-linux-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	Jason Gunthorpe <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	"open list:HID CORE LAYER"
	<linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Darren Hart <dvhart-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Linux Media Mailing List
	<linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-remoteproc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
	Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
	Jonathan Cameron <Jonathan.Cameron@h>
Subject: Re: [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl
Date: Fri, 26 Apr 2019 07:46:13 +0000	[thread overview]
Message-ID: <CAK8P3a3CzKLvpUiVV_k__kkaZ=wg2fqnFEzWYL9qNwBfxMKZ9w@mail.gmail.com> (raw)
In-Reply-To: <5511420228cb38d08a67c0f6a614b7671d7d23d4.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>

On Thu, Apr 25, 2019 at 11:25 PM Johannes Berg
<johannes@sipsolutions.net> wrote:
> On Thu, 2019-04-25 at 17:55 +0200, Arnd Bergmann wrote:
> > On Thu, Apr 25, 2019 at 5:35 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
> > >
> > > On Thu, Apr 25, 2019 at 12:21:53PM -0300, Mauro Carvalho Chehab wrote:
> > >
> > > > If I understand your patch description well, using compat_ptr_ioctl
> > > > only works if the driver is not for s390, right?
> > >
> > > No; s390 is where "oh, just set ->compat_ioctl same as ->unlocked_ioctl
> > > and be done with that; compat_ptr() is a no-op anyway" breaks.  IOW,
> > > s390 is the reason for having compat_ptr_ioctl() in the first place;
> > > that thing works on all biarch architectures, as long as all stuff
> > > handled by ->ioctl() takes pointer to arch-independent object as
> > > argument.  IOW,
> > >         argument ignored => OK
> > >         any arithmetical type => no go, compat_ptr() would bugger it
> > >         pointer to int => OK
> > >         pointer to string => OK
> > >         pointer to u64 => OK
> > >         pointer to struct {u64 addr; char s[11];} => OK
> >
> > To be extra pedantic, the 'struct {u64 addr; char s[11];} '
> > case is also broken on x86, because sizeof (obj) is smaller
> > on i386, even though the location of the members are
> > the same. i.e. you can copy_from_user() this
>
> Actually, you can't even do that because the struct might sit at the end
> of a page and then you'd erroneously fault in this case.
>
> We had this a while ago with struct ifreq, see commit 98406133dd and its
> parents.

Yes, you are right. Very rare to hit with real-life code, but easily
reproduced by intentionally hitting it and clearly a bug.

As the saying goes

  | the difference between "always works" and "almost always works"
  | is called data corruption

here the difference is an -EFAULT.

      Arnd

  parent reply	other threads:[~2019-04-26  7:46 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-16 20:19 [PATCH v3 00/26] compat_ioctl: cleanups Arnd Bergmann
2019-04-16 20:19 ` Arnd Bergmann
2019-04-16 20:19 ` Arnd Bergmann
2019-04-16 20:19 ` Arnd Bergmann
2019-04-16 20:19 ` Arnd Bergmann
2019-04-16 20:19 ` Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 01/26] compat_ioctl: pppoe: fix PPPOEIOCSFWD handling Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 02/26] compat_ioctl: move simple ppp command handling into driver Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-17 21:13   ` Al Viro
2019-04-17 21:13     ` Al Viro
2019-04-17 22:03     ` Arnd Bergmann
2019-04-17 22:03       ` Arnd Bergmann
2019-04-17 23:53       ` Al Viro
2019-04-17 23:53         ` Al Viro
2019-04-18  5:57         ` Al Viro
2019-04-18  5:57           ` Al Viro
2019-04-18 15:14         ` Arnd Bergmann
2019-04-18 15:14           ` Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 03/26] compat_ioctl: avoid unused function warning for do_ioctl Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 04/26] compat_ioctl: move PPPIOCSCOMPRESS32 to ppp-generic.c Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-17 21:16   ` Al Viro
2019-04-17 21:16     ` Al Viro
2019-04-17 21:44     ` Arnd Bergmann
2019-04-17 21:44       ` Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 05/26] compat_ioctl: move PPPIOCSPASS32/PPPIOCSACTIVE32 to ppp_generic.c Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 06/26] compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 07/26] compat_ioctl: move rtc handling into rtc-dev.c Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 08/26] compat_ioctl: add compat_ptr_ioctl() Arnd Bergmann
2019-04-17 21:19   ` Al Viro
2019-04-17 21:34     ` Arnd Bergmann
2019-04-16 20:19 ` [PATCH v3 09/26] compat_ioctl: move drivers to compat_ptr_ioctl Arnd Bergmann
2019-04-16 20:19 ` Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-16 20:19   ` [v3,09/26] " Arnd Bergmann
2019-04-16 20:19   ` [PATCH v3 09/26] " Arnd Bergmann
2019-04-16 20:31   ` Jiri Kosina
2019-04-16 20:31   ` Jiri Kosina
2019-04-16 20:31     ` Jiri Kosina
2019-04-16 20:31     ` Jiri Kosina
2019-04-16 20:31     ` [v3,09/26] " Jiri Kosina
2019-04-16 20:31     ` [PATCH v3 09/26] " Jiri Kosina
2019-04-18 11:10   ` Stefan Hajnoczi
2019-04-18 11:10   ` Stefan Hajnoczi
2019-04-18 11:10     ` Stefan Hajnoczi
2019-04-18 11:10     ` Stefan Hajnoczi
2019-04-18 11:10     ` [v3,09/26] " Stefan Hajnoczi
2019-04-18 11:10     ` [PATCH v3 09/26] " Stefan Hajnoczi
2019-04-19 23:16   ` Michael S. Tsirkin
2019-04-19 23:16   ` Michael S. Tsirkin
2019-04-19 23:16     ` Michael S. Tsirkin
2019-04-19 23:16     ` Michael S. Tsirkin
2019-04-19 23:16     ` [v3,09/26] " Michael S. Tsirkin
2019-04-19 23:16     ` [PATCH v3 09/26] " Michael S. Tsirkin
2019-04-20  8:03     ` Winkler, Tomas
2019-04-20  8:03     ` Winkler, Tomas
2019-04-20  8:03       ` Winkler, Tomas
2019-04-20  8:03       ` Winkler, Tomas
2019-04-16 20:19 ` [PATCH v3 10/26] compat_ioctl: use correct compat_ptr() translation in drivers Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-16 20:19   ` Arnd Bergmann
2019-04-16 20:19   ` [v3,10/26] " Arnd Bergmann
2019-04-17 21:21   ` [PATCH v3 10/26] " Al Viro
2019-04-17 21:21     ` Al Viro
2019-04-17 21:21     ` Al Viro
2019-04-17 21:21     ` [v3,10/26] " Al Viro
2019-04-16 20:19 ` [PATCH v3 11/26] ceph: fix compat_ioctl for ceph_dir_operations Arnd Bergmann
2019-04-17 21:23   ` Al Viro
2019-04-17 21:31     ` Arnd Bergmann
     [not found] ` <20190416202013.4034148-1-arnd-r2nGTMty4D4@public.gmane.org>
2019-04-16 20:25   ` [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl Arnd Bergmann
2019-04-16 20:25     ` Arnd Bergmann
2019-04-16 20:25     ` [v3,12/26] " Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 12/26] " Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 13/26] compat_ioctl: move tape handling into drivers Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 14/26] compat_ioctl: move ATYFB_CLK handling to atyfb driver Arnd Bergmann
2019-04-16 20:25       ` Arnd Bergmann
2019-04-17 21:27       ` Al Viro
2019-04-17 21:27         ` Al Viro
2019-04-17 21:28         ` Al Viro
2019-04-17 21:28           ` Al Viro
2019-05-06 13:37       ` Bartlomiej Zolnierkiewicz
2019-05-06 13:37         ` Bartlomiej Zolnierkiewicz
2019-05-06 13:37         ` Bartlomiej Zolnierkiewicz
2019-04-16 20:25     ` [PATCH v3 15/26] compat_ioctl: move isdn/capi ioctl translation into driver Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 16/26] compat_ioctl: move rfcomm handlers " Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 17/26] compat_ioctl: move hci_sock " Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 18/26] compat_ioctl: remove HCIUART handling Arnd Bergmann
2019-04-16 20:25     ` [PATCH v3 19/26] compat_ioctl: remove HIDIO translation Arnd Bergmann
2019-04-17  9:46     ` [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl Marc Gonzalez
2019-04-25 15:21     ` Mauro Carvalho Chehab
2019-04-25 15:21       ` Mauro Carvalho Chehab
2019-04-25 15:21       ` [v3,12/26] " Mauro Carvalho Chehab
2019-04-25 15:21       ` [PATCH v3 12/26] " Mauro Carvalho Chehab
2019-04-25 15:32       ` Arnd Bergmann
2019-04-25 15:32         ` Arnd Bergmann
2019-04-25 15:32         ` [v3,12/26] " Arnd Bergmann
2019-04-25 15:32         ` [PATCH v3 12/26] " Arnd Bergmann
2019-04-25 15:32         ` Arnd Bergmann
2019-04-25 15:35       ` Al Viro
2019-04-25 15:35         ` Al Viro
2019-04-25 15:35         ` [v3,12/26] " Al Viro
2019-04-25 15:35         ` [PATCH v3 12/26] " Al Viro
2019-04-25 15:53         ` Mauro Carvalho Chehab
2019-04-25 15:53           ` Mauro Carvalho Chehab
2019-04-25 15:53           ` [v3,12/26] " Mauro Carvalho Chehab
2019-04-25 15:53           ` [PATCH v3 12/26] " Mauro Carvalho Chehab
     [not found]         ` <20190425153534.GS2217-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2019-04-25 15:55           ` Arnd Bergmann
2019-04-25 15:55             ` Arnd Bergmann
2019-04-25 15:55             ` [v3,12/26] " Arnd Bergmann
2019-04-25 15:55             ` [PATCH v3 12/26] " Arnd Bergmann
2019-04-25 15:55             ` Arnd Bergmann
2019-04-25 16:42             ` Al Viro
2019-04-25 16:42               ` Al Viro
2019-04-25 16:42               ` [v3,12/26] " Al Viro
2019-04-25 16:42               ` [PATCH v3 12/26] " Al Viro
2019-04-25 16:42               ` Al Viro
     [not found]             ` <CAK8P3a2HmiYQJ2FV2FgLiFsD8M9UKteC9Jetx7ja06PQVZWYfA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-04-25 21:25               ` Johannes Berg
2019-04-25 21:25                 ` Johannes Berg
2019-04-25 21:25                 ` [v3,12/26] " Johannes Berg
2019-04-25 21:25                 ` [PATCH v3 12/26] " Johannes Berg
     [not found]                 ` <5511420228cb38d08a67c0f6a614b7671d7d23d4.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2019-04-26  7:46                   ` Arnd Bergmann [this message]
2019-04-26  7:46                     ` Arnd Bergmann
2019-04-26  7:46                     ` [v3,12/26] " Arnd Bergmann
2019-04-26  7:46                     ` [PATCH v3 12/26] " Arnd Bergmann
2019-04-26  7:46                     ` Arnd Bergmann
2019-04-16 20:28 ` [PATCH v3 20/26] compat_ioctl: remove translation for sound ioctls Arnd Bergmann
2019-04-16 20:28   ` Arnd Bergmann
2019-04-16 20:28   ` [PATCH v3 21/26] compat_ioctl: remove IGNORE_IOCTL() Arnd Bergmann
2019-04-16 20:28   ` [PATCH v3 22/26] compat_ioctl: remove /dev/random commands Arnd Bergmann
2019-04-16 20:28   ` [PATCH v3 23/26] compat_ioctl: remove joystick ioctl translation Arnd Bergmann
2019-04-16 20:28   ` [PATCH v3 24/26] compat_ioctl: remove PCI " Arnd Bergmann
2019-04-16 20:28   ` [PATCH v3 25/26] compat_ioctl: remove /dev/raw " Arnd Bergmann
2019-04-16 20:28   ` [PATCH v3 26/26] compat_ioctl: remove last RAID handling code Arnd Bergmann
2019-04-17  8:05   ` [PATCH v3 20/26] compat_ioctl: remove translation for sound ioctls Takashi Iwai
2019-04-17  8:05     ` Takashi Iwai
2019-04-17  8:05     ` Takashi Iwai
2019-04-29  7:05     ` Takashi Iwai
2019-04-29  7:05       ` Takashi Iwai
2019-04-29  7:05       ` Takashi Iwai
2019-04-29 12:43       ` Arnd Bergmann
2019-04-29 12:43         ` Arnd Bergmann
2019-04-16 22:33 ` [PATCH v3 00/26] compat_ioctl: cleanups Douglas Gilbert
2019-04-16 22:33   ` Douglas Gilbert
2019-04-16 22:33   ` Douglas Gilbert
2019-04-16 22:33   ` Douglas Gilbert
2019-04-16 22:33   ` Douglas Gilbert
2019-04-16 22:33   ` Douglas Gilbert
2019-04-17  9:26   ` Arnd Bergmann
2019-04-17  9:26     ` Arnd Bergmann
2019-04-17  9:26     ` Arnd Bergmann
2019-04-17  9:26     ` Arnd Bergmann
2019-05-06  9:03 ` Andy Shevchenko
2019-05-06  9:03   ` Andy Shevchenko
2019-05-06  9:03   ` Andy Shevchenko
2019-05-06  9:03   ` Andy Shevchenko
2019-05-06  9:03   ` Andy Shevchenko

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