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ceph: fix xattr dangling pointer / double free
If we use the xattr_blob, clear the pointer so we don't release the memory at the bottom of the fuction. Reported-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net>
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@ -619,6 +619,7 @@ static int fill_inode(struct inode *inode,
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memcpy(ci->i_xattrs.blob->vec.iov_base,
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iinfo->xattr_data, iinfo->xattr_len);
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ci->i_xattrs.version = le64_to_cpu(info->xattr_version);
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xattr_blob = NULL;
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}
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inode->i_mapping->a_ops = &ceph_aops;
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