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Mon, 6 Apr 2026 00:08:17 +0000 (GMT) From: Stefan Berger To: linux-integrity@vger.kernel.org Cc: zohar@linux.ibm.com, roberto.sassu@huawei.com, ebiggers@kernel.org, coxu@redhat.com, Stefan Berger Subject: [ima-evm-utils PATCH 2/5] Set size of xattr_value to MAX_SIGNATURE_SIZE Date: Sun, 5 Apr 2026 20:08:07 -0400 Message-ID: <20260406000810.4013201-3-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260406000810.4013201-1-stefanb@linux.ibm.com> References: <20260406000810.4013201-1-stefanb@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-integrity@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA1MDI0NyBTYWx0ZWRfXweu8LpQD37S1 Si1srwzapicPQcZmYjOniGjwvhubt3Ul+IuUNGozGyl7Tm9iB/HyWlu2hUNfWmHKI02HEtguVMO bs73FCNbC7BSeTVc0tiisE0c3T/9ifyf87RvHnv6tYUmJbb8MQPXt/N3TIsmsoW9r5HykixR1y/ mcXGlLVpUef8RZ+1UzcCLxMpaAMBcgU2CcXeTI3onExyJyI5mpd+Xp7ZTRWCFZ2+IU5R+BTgO5v YZX6k/h3rKKP0gD6KV+dqoJRQ6fdv0a7GpFn0QqCWM1hBG6Si1f1sUX843/EshCC14cNxdF4NH6 LR9j4SEhIlM0Bu2KWwdM/35SGDfe9kzzmzv33s9zYA2CA10TfeqVOPVvQgetxxwJ6RQiO09p/RZ skglXzRpV1rjGQo0JPZipOUg5U1lrjTJP9h5yi2Vw6ES3qbelevZNFmvLjXA1+543d4mxmkxBT1 uRXVVX2j4HA2oLNgkLw== X-Proofpoint-GUID: Mok3l34NnCq2fyeJKAPbIiR744J1lQI9 X-Proofpoint-ORIG-GUID: Mok3l34NnCq2fyeJKAPbIiR744J1lQI9 X-Authority-Analysis: v=2.4 cv=HJvO14tv c=1 sm=1 tr=0 ts=69d2f974 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=mA4aZrZgGGEE23H5QREA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-05_08,2026-04-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 phishscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604050247 Set the size of an xattr_value that can be read to MAX_SIGNATURE_SIZE so that ML-DSA keys can also be read once enabled (and MAX_SIGNATURE_SIZE gets a larger value). Signed-off-by: Stefan Berger --- src/evmctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/evmctl.c b/src/evmctl.c index de67178..c8da495 100644 --- a/src/evmctl.c +++ b/src/evmctl.c @@ -347,7 +347,7 @@ static int calc_evm_hash(const char *file, const char *hash_algo, EVP_MD_CTX *pctx; unsigned int mdlen; char **xattrname; - char xattr_value[1024]; + char xattr_value[MAX_SIGNATURE_SIZE]; char list[1024]; ssize_t list_size; char uuid[16]; -- 2.53.0