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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 02:35:14 +0300 |
| commit | 69c2d6e40d97ecc5dbb2f4db9a255b121809b3ac (patch) | |
| tree | e34c7ab4443b65d8dc70164f0450a4c97908de00 | |
| parent | d1ac288b2742aa4af746c5613bac71760fadd1c4 (diff) | |
| download | linux-69c2d6e40d97ecc5dbb2f4db9a255b121809b3ac.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>
| -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: |