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-rw-r--r--fs/udf/inode.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 2296c87..8ec6b3d 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1277,6 +1277,12 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
int ret = -EIO;
reread:
+ if (iloc->partitionReferenceNum >= sbi->s_partitions) {
+ udf_debug("partition reference: %d > logical volume partitions: %d\n",
+ iloc->partitionReferenceNum, sbi->s_partitions);
+ return -EIO;
+ }
+
if (iloc->logicalBlockNum >=
sbi->s_partmaps[iloc->partitionReferenceNum].s_partition_len) {
udf_debug("block=%d, partition=%d out of range\n",
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