(sorry for the late reply, just came back from holiday)
On 2013/2/9 2:46, Sasha Levin wrote:
> On 01/25/2013 02:09 AM, Li Zefan wrote:
>> rename() will change dentry->d_name. The result of this race can
>> be worse than seeing partially rewritten name, but we might access
>> a stale pointer
(sorry for the late reply, just came back from holiday)
On 2013/2/9 2:46, Sasha Levin wrote:
On 01/25/2013 02:09 AM, Li Zefan wrote:
rename() will change dentry-d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because
On 01/25/2013 02:09 AM, Li Zefan wrote:
> rename() will change dentry->d_name. The result of this race can
> be worse than seeing partially rewritten name, but we might access
> a stale pointer because rename() will re-allocate memory to hold
> a longer name.
>
> Use dentry_path_raw(), and this
On 01/25/2013 02:09 AM, Li Zefan wrote:
rename() will change dentry-d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because rename() will re-allocate memory to hold
a longer name.
Use dentry_path_raw(), and this vfs API
On 2013/1/26 0:42, Tejun Heo wrote:
> On Fri, Jan 25, 2013 at 03:09:59PM +0800, Li Zefan wrote:
>> rename() will change dentry->d_name. The result of this race can
>> be worse than seeing partially rewritten name, but we might access
>> a stale pointer because rename() will re-allocate memory to
On Fri, Jan 25, 2013 at 03:09:59PM +0800, Li Zefan wrote:
> rename() will change dentry->d_name. The result of this race can
> be worse than seeing partially rewritten name, but we might access
> a stale pointer because rename() will re-allocate memory to hold
> a longer name.
>
> Use
On Fri, Jan 25, 2013 at 03:09:59PM +0800, Li Zefan wrote:
rename() will change dentry-d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because rename() will re-allocate memory to hold
a longer name.
Use dentry_path_raw(),
On 2013/1/26 0:42, Tejun Heo wrote:
On Fri, Jan 25, 2013 at 03:09:59PM +0800, Li Zefan wrote:
rename() will change dentry-d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because rename() will re-allocate memory to hold
a
rename() will change dentry->d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because rename() will re-allocate memory to hold
a longer name.
Use dentry_path_raw(), and this vfs API will take care of lockings.
Signed-off-by:
rename() will change dentry-d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because rename() will re-allocate memory to hold
a longer name.
Use dentry_path_raw(), and this vfs API will take care of lockings.
Signed-off-by: Li
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