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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:33:28 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:33:28 -0500 |
| commit | 33436335e93a1788a58443fc99c5ab320ce4b9d9 (patch) | |
| tree | d92f88768c8dbd00f8b65164f47a8a091768b95a /fs/overlayfs/copy_up.c | |
| parent | 27b025ebb0f6092d5c0a88de2ab73545bc1c496e (diff) | |
| parent | c39cea6f38eefe356d64d0bc1e1f2267e282cdd3 (diff) | |
Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.3
- Fix wrong usage of PGDIR_SIZE to check page sizes
- Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
Diffstat (limited to 'fs/overlayfs/copy_up.c')
| -rw-r--r-- | fs/overlayfs/copy_up.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 6e4e65ee050d..c14e90764e35 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -792,7 +792,7 @@ static int ovl_copy_up_tmpfile(struct ovl_copy_up_ctx *c) if (!c->metacopy && c->stat.size) { err = ovl_copy_up_file(ofs, c->dentry, tmpfile, c->stat.size); if (err) - return err; + goto out_fput; } err = ovl_copy_up_metadata(c, temp); @@ -1011,6 +1011,10 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, if (err) return err; + if (!kuid_has_mapping(current_user_ns(), ctx.stat.uid) || + !kgid_has_mapping(current_user_ns(), ctx.stat.gid)) + return -EOVERFLOW; + ctx.metacopy = ovl_need_meta_copy_up(dentry, ctx.stat.mode, flags); if (parent) { |