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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-09-23 05:35:55 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-09-23 05:35:55 -0400 |
| commit | 5804c19b80bf625c6a9925317f845e497434d6d3 (patch) | |
| tree | ba4a0bf9cac721e2bf898e3be5ab64773da5a9d2 /security/selinux/hooks.c | |
| parent | 916e3e5f26abc165437950daff370c0693572ef4 (diff) | |
| parent | 071ef070ca77e6dfe33fd78afa293e83422f0411 (diff) | |
Merge tag 'kvm-riscv-fixes-6.6-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv fixes for 6.6, take #1
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 10350534de6d..2aa0e219d721 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2775,14 +2775,20 @@ static int selinux_umount(struct vfsmount *mnt, int flags) static int selinux_fs_context_submount(struct fs_context *fc, struct super_block *reference) { - const struct superblock_security_struct *sbsec; + const struct superblock_security_struct *sbsec = selinux_superblock(reference); struct selinux_mnt_opts *opts; + /* + * Ensure that fc->security remains NULL when no options are set + * as expected by selinux_set_mnt_opts(). + */ + if (!(sbsec->flags & (FSCONTEXT_MNT|CONTEXT_MNT|DEFCONTEXT_MNT))) + return 0; + opts = kzalloc(sizeof(*opts), GFP_KERNEL); if (!opts) return -ENOMEM; - sbsec = selinux_superblock(reference); if (sbsec->flags & FSCONTEXT_MNT) opts->fscontext_sid = sbsec->sid; if (sbsec->flags & CONTEXT_MNT) |