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authorSteve French <smfrench@us.ibm.com>2013-09-28 18:24:12 -0500
committerSteve French <smfrench@gmail.com>2013-10-05 21:54:18 -0500
commitc31f330719b7331b2112a5525fe5941a99ac223d (patch)
tree14e6f0534e820bc30f4fb7e2e876daf072edb0de /fs/cifs/transport.c
parente62063d69911886a5a92c719d262a2a87e1e5b60 (diff)
do not treat non-symlink reparse points as valid symlinks
Windows 8 and later can create NFS symlinks (within reparse points) which we were assuming were normal NTFS symlinks and thus reporting corrupt paths for. Add check for reparse points to make sure that they really are normal symlinks before we try to parse the pathname. We also should not be parsing other types of reparse points (DFS junctions etc) as if they were a symlink so return EOPNOTSUPP on those. Also fix endian errors (we were not parsing symlink lengths as little endian). This fixes commit d244bf2dfbebfded05f494ffd53659fa7b1e32c1 which implemented follow link for non-Unix CIFS mounts CC: Stable <stable@kernel.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/transport.c')
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