diff options
| -rw-r--r-- | mm/shmem.c | 20 | ||||
| -rw-r--r-- | security/selinux/hooks.c | 27 |
2 files changed, 35 insertions, 12 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 0d627a37da95..1f7aeb210c7b 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1608,6 +1608,15 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) int error = -ENOSPC; if (inode) { + error = security_inode_init_security(inode, dir, NULL, NULL, + NULL); + if (error) { + if (error != -EOPNOTSUPP) { + iput(inode); + return error; + } + error = 0; + } if (dir->i_mode & S_ISGID) { inode->i_gid = dir->i_gid; if (S_ISDIR(mode)) @@ -1617,7 +1626,6 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) dir->i_ctime = dir->i_mtime = CURRENT_TIME; d_instantiate(dentry, inode); dget(dentry); /* Extra count - pin the dentry in core */ - error = 0; } return error; } @@ -1747,6 +1755,16 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s if (!inode) return -ENOSPC; + error = security_inode_init_security(inode, dir, NULL, NULL, + NULL); + if (error) { + if (error != -EOPNOTSUPP) { + iput(inode); + return error; + } + error = 0; + } + info = SHMEM_I(inode); inode->i_size = len-1; if (len <= (char *)inode - (char *)info) { diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 63701fe0e1ad..265f33d3af9b 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2032,9 +2032,9 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir, struct inode_security_struct *dsec; struct superblock_security_struct *sbsec; struct inode_security_struct *isec; - u32 newsid; + u32 newsid, clen; int rc; - char *namep, *context; + char *namep = NULL, *context; tsec = current->security; dsec = dir->i_security; @@ -2059,17 +2059,22 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir, inode_security_set_sid(inode, newsid); - namep = kstrdup(XATTR_SELINUX_SUFFIX, GFP_KERNEL); - if (!namep) - return -ENOMEM; - *name = namep; + if (name) { + namep = kstrdup(XATTR_SELINUX_SUFFIX, GFP_KERNEL); + if (!namep) + return -ENOMEM; + *name = namep; + } - rc = security_sid_to_context(newsid, &context, len); - if (rc) { - kfree(namep); - return rc; + if (value && len) { + rc = security_sid_to_context(newsid, &context, &clen); + if (rc) { + kfree(namep); + return rc; + } + *value = context; + *len = clen; } - *value = context; isec->security_attr_init = 1; |