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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-03-29 10:39:10 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-03-29 10:39:10 -0300
commitb0a752d43b1566451332bcb5b52b9694dfe7896c (patch)
tree1d5ea27a0ef6e74e2b9692e6c02d8d48710d1d36 /security/commoncap.c
parent50fa3a531e8e4b58550171fb159d0aa578c6b52d (diff)
parenta5e13c6df0e41702d2b2c77c8ad41677ebb065b3 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes sent via perf/urgent and in the BPF tools/ directories. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'security/commoncap.c')
-rw-r--r--security/commoncap.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/security/commoncap.c b/security/commoncap.c
index 28f4d25480df..1c519c875217 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -543,8 +543,7 @@ int cap_convert_nscap(struct user_namespace *mnt_userns, struct dentry *dentry,
__u32 magic, nsmagic;
struct inode *inode = d_backing_inode(dentry);
struct user_namespace *task_ns = current_user_ns(),
- *fs_ns = inode->i_sb->s_user_ns,
- *ancestor;
+ *fs_ns = inode->i_sb->s_user_ns;
kuid_t rootid;
size_t newsize;
@@ -567,15 +566,6 @@ int cap_convert_nscap(struct user_namespace *mnt_userns, struct dentry *dentry,
if (nsrootid == -1)
return -EINVAL;
- /*
- * Do not allow allow adding a v3 filesystem capability xattr
- * if the rootid field is ambiguous.
- */
- for (ancestor = task_ns->parent; ancestor; ancestor = ancestor->parent) {
- if (from_kuid(ancestor, rootid) == 0)
- return -EINVAL;
- }
-
newsize = sizeof(struct vfs_ns_cap_data);
nscap = kmalloc(newsize, GFP_ATOMIC);
if (!nscap)