[LU-4362] cfs_hash_rehash_key() passed wrong parameters to cfs_hash_keycpy

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.6.0, Lustre 2.4.2, Lustre 2.5.1
• Affects Version/s: Lustre 2.4.1, Lustre 2.5.0, Lustre 2.6.0
• Severity: 3
• Assignee: Liang Zhen (Inactive)
• Reporter: Liang Zhen (Inactive)

Description

cfs_hash_rehash_key()->cfs_hash_keycpy(hs, new_key, hnode);
but define of cfs_hash_keycpy is:
void cfs_hash_keycpy(cfs_hash_t *hs, struct hlist_node *hnode, void *key)

This is very dangerous because it can corrupt memory.
I will post a patch soon