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H A Dutil.c1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
H A Doverlayfs.h1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
H A Dinode.c1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
H A Dsuper.c1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
1d88f183 Thu Jul 20 04:08:21 CDT 2017 Miklos Szeredi <mszeredi@redhat.com> ovl: fix xattr get and set with selinux

inode_doinit_with_dentry() in SELinux wants to read the upper inode's xattr
to get security label, and ovl_xattr_get() calls ovl_dentry_real(), which
depends on dentry->d_inode, but d_inode is null and not initialized yet at
this point resulting in an Oops.

Fix by getting the upperdentry info from the inode directly in this case.

Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: 09d8b586731b ("ovl: move __upperdentry to ovl_inode")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>