Eric W. Biederman wrote: > Currently sysfs_chmod calls sys_setattr which in turn calls > inode_change_ok which checks to see if it is ok for the current user > space process to change tha attributes. Since sysfs_chmod_file has > only kernel mode clients denying them permission if user space is the > problem is completely inappropriate. > > Therefore factor out sysfs_sd_setattr which does not call > inode_change_ok and modify sysfs_chmod_file to call it. > > In addition setting victim_sd->s_mode explicitly in sysfs_chmod_file > is redundant so remove that as well. > > Thanks to Tejun Heo <htejun@xxxxxxxxx>, and > Daniel Lezcano <dlezcano@xxxxxxxxxx> for working on this > and spotting this case. > > Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> -- tejun _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers