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ceph: fix xattr dangling pointer / double free

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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>
This commit is contained in:
Sage Weil 2010-04-29 09:28:11 -07:00
parent 9dd4658db1
commit a6424e48c8
1 changed files with 1 additions and 0 deletions
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fs/ceph/inode.c
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@ -619,6 +619,7 @@ static int fill_inode(struct inode *inode,
memcpy(ci->i_xattrs.blob->vec.iov_base,
iinfo->xattr_data, iinfo->xattr_len);
ci->i_xattrs.version = le64_to_cpu(info->xattr_version);
xattr_blob = NULL;
}
inode->i_mapping->a_ops = &ceph_aops;