On Thu, Apr 4, 2013 at 12:08 AM, Greg Kroah-Hartman
wrote:
>
> Then make it a WARN() call, like David said, to give us a chance to get
> the report from a user so we can fix it. If the machine crashes after
> that, fine, but hopefully we will get a oops report out of it.
OK, got it, and console
On Thu, Apr 4, 2013 at 12:08 AM, Greg Kroah-Hartman
gre...@linuxfoundation.org wrote:
Then make it a WARN() call, like David said, to give us a chance to get
the report from a user so we can fix it. If the machine crashes after
that, fine, but hopefully we will get a oops report out of it.
On Wed, Apr 03, 2013 at 03:05:37PM +0800, Ming Lei wrote:
> On Wed, Apr 3, 2013 at 1:35 PM, Greg Kroah-Hartman
> wrote:
> > On Wed, Apr 03, 2013 at 11:52:39AM +0800, Ming Lei wrote:
> >> On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones wrote:
> >> > On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei
On Wed, Apr 3, 2013 at 1:35 PM, Greg Kroah-Hartman
wrote:
> On Wed, Apr 03, 2013 at 11:52:39AM +0800, Ming Lei wrote:
>> On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones wrote:
>> > On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
>> >
>> > > diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
>>
On Wed, Apr 3, 2013 at 1:35 PM, Greg Kroah-Hartman
gre...@linuxfoundation.org wrote:
On Wed, Apr 03, 2013 at 11:52:39AM +0800, Ming Lei wrote:
On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones da...@redhat.com wrote:
On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
diff --git
On Wed, Apr 03, 2013 at 03:05:37PM +0800, Ming Lei wrote:
On Wed, Apr 3, 2013 at 1:35 PM, Greg Kroah-Hartman
gre...@linuxfoundation.org wrote:
On Wed, Apr 03, 2013 at 11:52:39AM +0800, Ming Lei wrote:
On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones da...@redhat.com wrote:
On Wed, Apr 03, 2013
On Wed, Apr 03, 2013 at 11:52:39AM +0800, Ming Lei wrote:
> On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones wrote:
> > On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
> >
> > > diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
> > > index 1bf016b..328ef9b 100644
> > > --- a/fs/sysfs/dir.c
> >
On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones wrote:
> On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
>
> > diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
> > index 1bf016b..328ef9b 100644
> > --- a/fs/sysfs/dir.c
> > +++ b/fs/sysfs/dir.c
> > @@ -268,6 +268,13 @@ void
On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
> diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
> index 1bf016b..328ef9b 100644
> --- a/fs/sysfs/dir.c
> +++ b/fs/sysfs/dir.c
> @@ -268,6 +268,13 @@ void release_sysfs_dirent(struct sysfs_dirent * sd)
> */
> parent_sd =
It might be a kernel disaster if one sysfs entry is freed but
still referenced by sysfs tree.
Recently Dave and Sasha reported one use-after-free problem on
sysfs entry, and the problem has been troubleshooted with help
of debug message added in this patch.
Given sysfs_get_dirent/sysfs_put are
It might be a kernel disaster if one sysfs entry is freed but
still referenced by sysfs tree.
Recently Dave and Sasha reported one use-after-free problem on
sysfs entry, and the problem has been troubleshooted with help
of debug message added in this patch.
Given sysfs_get_dirent/sysfs_put are
On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 1bf016b..328ef9b 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -268,6 +268,13 @@ void release_sysfs_dirent(struct sysfs_dirent * sd)
*/
parent_sd =
On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones da...@redhat.com wrote:
On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 1bf016b..328ef9b 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -268,6 +268,13 @@ void
On Wed, Apr 03, 2013 at 11:52:39AM +0800, Ming Lei wrote:
On Wed, Apr 3, 2013 at 11:04 AM, Dave Jones da...@redhat.com wrote:
On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 1bf016b..328ef9b 100644
--- a/fs/sysfs/dir.c
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