On Mon, Jan 31, 2022 at 1:57 PM Scott Mayhew <smayhew@xxxxxxxxxx> wrote: > > selinux_sb_mnt_opts_compat() is called under the sb_lock spinlock and > shouldn't be performing any memory allocations. > > The first patch fixes this by parsing the sids at the same time the > context mount options are being parsed from the mount options string > and storing the parsed sids in the selinux_mnt_opts struct. > > The second patch adds logic to selinux_set_mnt_opts() and > selinux_sb_remount() that checks to see if a sid has already been > parsed before calling parse_sid(), and adds the parsed sids to the > data being copied in selinux_fs_context_dup(). > > Scott Mayhew (2): > selinux: Fix selinux_sb_mnt_opts_compat() > selinux: try to use preparsed sid before calling parse_sid() > > security/selinux/hooks.c | 147 ++++++++++++++++++++++++--------------- > 1 file changed, 92 insertions(+), 55 deletions(-) Merged both into selinux/next, thanks Scott. -- paul-moore.com
