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| author | Chen Ni <nichen@iscas.ac.cn> | 2023-11-08 10:36:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-26 02:27:19 +0300 |
| commit | c25f1555e03ac877d09c05f3b6235ff8fe827ec1 (patch) | |
| tree | 5e7a317cc2219924982a69ae79fef0d66e366f84 /security | |
| parent | 72222dfd76a79d9666ab3117fcdd44ca8cd0c4de (diff) | |
| download | linux-c25f1555e03ac877d09c05f3b6235ff8fe827ec1.tar.xz | |
KEYS: encrypted: Add check for strsep
[ Upstream commit b4af096b5df5dd131ab796c79cedc7069d8f4882 ]
Add check for strsep() in order to transfer the error.
Fixes: cd3bc044af48 ("KEYS: encrypted: Instantiate key with user-provided decrypted data")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'security')
| -rw-r--r-- | security/keys/encrypted-keys/encrypted.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 1e313982af02..fea7e0937150 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -237,6 +237,10 @@ static int datablob_parse(char *datablob, const char **format, break; } *decrypted_data = strsep(&datablob, " \t"); + if (!*decrypted_data) { + pr_info("encrypted_key: decrypted_data is missing\n"); + break; + } ret = 0; break; case Opt_load: |