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(parent: 8615b94) | patch
ubifs: Fix memory leak in read_znode() error path
authorWenwen Wang <wenwen@cs.uga.edu>
Tue, 20 Aug 2019 03:03:46 +0000 (22:03 -0500)
committerRichard Weinberger <richard@nod.at>
Sun, 15 Sep 2019 20:11:18 +0000 (22:11 +0200)
commitce4d8b16e64d062f1c6271a0068dbbbba2dee620
tree4ac39ccaa98c63ebfdd0fc85ec415ba0fa84f510tree | snapshot
parent8615b94f029a4fb4306d3512aaf1c45f5fc24d4bcommit | diff
ubifs: Fix memory leak in read_znode() error path

In read_znode(), the indexing node 'idx' is allocated by kmalloc().
However, it is not deallocated in the following execution if
ubifs_node_check_hash() fails, leading to a memory leak bug. To fix this
issue, free 'idx' before returning the error.

Fixes: 16a26b20d2af ("ubifs: authentication: Add hashes to index nodes")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Signed-off-by: Richard Weinberger <richard@nod.at>
fs/ubifs/tnc_misc.c diff | blob | history
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