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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-15 16:28:08 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-19 13:48:20 +0800 |
| commit | 3d73909bddc2ebb3224a8bc2e5ce00e9df70c15d (patch) | |
| tree | b46dbdb5f4c5e6b423a2f04cb207ea204ef5b271 /crypto | |
| parent | crypto: testmgr - Add hash export format testing (diff) | |
| download | wireguard-linux-3d73909bddc2ebb3224a8bc2e5ce00e9df70c15d.tar.xz wireguard-linux-3d73909bddc2ebb3224a8bc2e5ce00e9df70c15d.zip | |
crypto: lrw - Only add ecb if it is not already there
Only add ecb to the cipher name if it isn't already ecb.
Also use memcmp instead of strncmp since these strings are all
stored in an array of length CRYPTO_MAX_ALG_NAME.
Fixes: 700cb3f5fe75 ("crypto: lrw - Convert to skcipher")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202505151503.d8a6cf10-lkp@intel.com
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/lrw.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/lrw.c b/crypto/lrw.c index e7f0368f8c97..dd403b800513 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -322,7 +322,7 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) err = crypto_grab_skcipher(spawn, skcipher_crypto_instance(inst), cipher_name, 0, mask); - if (err == -ENOENT) { + if (err == -ENOENT && memcmp(cipher_name, "ecb(", 4)) { err = -ENAMETOOLONG; if (snprintf(ecb_name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", cipher_name) >= CRYPTO_MAX_ALG_NAME) @@ -356,7 +356,7 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) /* Alas we screwed up the naming so we have to mangle the * cipher name. */ - if (!strncmp(cipher_name, "ecb(", 4)) { + if (!memcmp(cipher_name, "ecb(", 4)) { int len; len = strscpy(ecb_name, cipher_name + 4, sizeof(ecb_name)); |