Commit fe685aab authored by Mathias Krause's avatar Mathias Krause Committed by Jan Kara

isofs: avoid info leak on export

For type 1 the parent_offset member in struct isofs_fid gets copied
uninitialized to userland. Fix this by initializing it to 0.
Signed-off-by: default avatarMathias Krause <>
Signed-off-by: default avatarJan Kara <>
parent 57b9655d
......@@ -134,6 +134,7 @@ isofs_export_encode_fh(struct inode *inode,
len = 3;
fh32[0] = ei->i_iget5_block;
fh16[2] = (__u16)ei->i_iget5_offset; /* fh16 [sic] */
fh16[3] = 0; /* avoid leaking uninitialized data */
fh32[2] = inode->i_generation;
if (parent) {
struct iso_inode_info *eparent;
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