On 11/10/2015 05:56 PM, Andrey Ryabinin wrote:
On 11/10/2015 05:52 PM, Stanislav Kinsburskiy wrote:
goto err;
+ if (get_exec_env()->init_cred)
+ root_user_ns = get_exec_env()->init_cred->user_ns;
+ else
+ root_user_ns = &init_user_ns;
+
We have some helper for this, if I'm not mistaken.
Probably this one:
current_user_ns_initial()
current_user_ns_initial() check if current user_ns is initial for current ve.
We need to check if file's user_ns is initial for current ve, so it doesn't fit
here.
Stas, agree? Ack?
if ((file->f_op != &fuse_dev_operations) ||
- (file->f_cred->user_ns != &init_user_ns))
+ (file->f_cred->user_ns != root_user_ns))
goto err_fput;
fc = kmalloc(sizeof(*fc), GFP_KERNEL);
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