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authorZhihao Cheng <chengzhihao1@huawei.com>2020-06-16 15:11:44 +0800
committerRichard Weinberger <richard@nod.at>2020-12-13 22:12:32 +0100
commita33e30a0e023e9d1866866ca895c7789f48445e7 (patch)
tree383b2fd9b04365a17ed31c4b624d278cf8e23607 /fs/ubifs/journal.c
parentc8be097530a82e004f98378c3afc5cd35efc4f57 (diff)
ubifs: Pass node length in all node dumping callers
Function ubifs_dump_node() has been modified to avoid memory oob accessing while dumping node, node length (corresponding to the size of allocated memory for node) should be passed into all node dumping callers. Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs/journal.c')
-rw-r--r--fs/ubifs/journal.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 091c2ad8f211..03410ae0813a 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1559,7 +1559,8 @@ int ubifs_jnl_truncate(struct ubifs_info *c, const struct inode *inode,
if (dn_len <= 0 || dn_len > UBIFS_BLOCK_SIZE) {
ubifs_err(c, "bad data node (block %u, inode %lu)",
blk, inode->i_ino);
- ubifs_dump_node(c, dn);
+ ubifs_dump_node(c, dn, sz - UBIFS_INO_NODE_SZ -
+ UBIFS_TRUN_NODE_SZ);
goto out_free;
}