On Tue, Sep 25, 2018 at 01:26:55PM -0400, Tong Zhang wrote: > Kernel Version: 4.18.5 > > Problem Description: > > We discovered inconsistent check when using prctl_set_mm_exe_file(), which is > used to setup exe file link. > > It is required to have capable(CAP_SYS_RESOURCE) in prctl_set_mm(). > while ns_capable(CAP_SYS_ADMIN) in prctl_set_mm_map(). > > There are two differences: > 1)requiring capability from: user namespace, init namespace. > 2)capability bit required is different
Can you submit a patch showing what you think is the correct fix here? thanks, greg k-h
