libceph: fix crypto key null deref, memory leak
Avoid crashing if the crypto key payload was NULL, as when it was not correctly allocated and initialized. Also, avoid leaking it. Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Sage Weil <sage@inktank.com> Reviewed-by: Alex Elder <elder@inktank.com>
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2 changed files with 3 additions and 1 deletions
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@ -466,6 +466,7 @@ void ceph_key_destroy(struct key *key) {
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struct ceph_crypto_key *ckey = key->payload.data;
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ceph_crypto_key_destroy(ckey);
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kfree(ckey);
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}
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struct key_type key_type_ceph = {
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@ -16,7 +16,8 @@ struct ceph_crypto_key {
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static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
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{
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kfree(key->key);
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if (key)
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kfree(key->key);
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}
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extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
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