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[71.126.255.178]) by smtp.gmail.com with ESMTPSA id af79cd13be357-936cdf55745sm42553585a.5.2026.08.13.11.08.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2026 11:08:26 -0700 (PDT) From: Paul Moore To: linux-security-module@vger.kernel.org Cc: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= Subject: [PATCH] lsm: update the BUILD_BUG_ON() in audit_log_lsm_data() Date: Thu, 13 Aug 2026 14:08:17 -0400 Message-ID: <20260813180816.223079-2-paul@paul-moore.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1162; i=paul@paul-moore.com; h=from:subject; bh=18uwLcHbLGRiIseJ5viEoswF+GNIRi+RyFvLZ5C4nUc=; b=owEBbQKS/ZANAwAKAeog8tqXN4lzAcsmYgBqfggQ9aTWqcymPqCy8MNx2Sw557v95DLLWPLEQ LlWT9gnTACJAjMEAAEKAB0WIQRLQqjPB/KZ1VSXfu/qIPLalzeJcwUCan4IEAAKCRDqIPLalzeJ c9JsEACvZ73wdp2Sec2SSjIZhn7NQX7Ph6M/NuZfa/GbcCSsLY1Pd+MkFXyjAGzlguhfpVFDDgb MJh/x57dSZ377e7OViZV6H86MAk5lySsne0sJA1JXTHEyPvLpHbq7gEzitA6lHnIicyxQkReGIB buEI5FZu4eh6w4QuLBYSBCUmt1qZWD4Tlvt5T6jPDoyxeSbJ2lbHuzue91E3luZKG2GJ8b9SGLV bh0ShT3fQZj4dGISIvhkuqbq/R2PJGO8lmywZZDzW5eR3hGEBvcwDZcwyxry7Zi1A3ZtcfW+Irf 9UCrH6LO69iMhR+uZvuB7DKBDyB4rD31+u4YhU0SH/DnQI0Ox6hTohvyDvy6S7X9vwfHX2g7KQ+ nPJdG6yGIere4TJ2zyEgWh0W/L8HafwJdtEXBJhHDbfUdbIwdf0dwME9xga01k1FAxOzA9VClwk sZxCKavFfxwBL2HAUGVDIYdxkHq0ignnF23zxDIvPoLwZoLOMwnD/j7fp/YiFPT2IaL1gh3E37z FfBknbU2x7M6AoBXx2DBPMhoay99v0QcMgVw1JURnHM2Z1iA6Acr5wKVwOPJrwGoCeIYE6WSFel zq1vHT+fZCjUG5PTJId7EauNCZ6IlxwbuEnVS3QHq3bUA6e27+uPYktciE/U+yhAZQz4Z1tIiNf hOkSod+YZMpCyoQ== X-Developer-Key: i=paul@paul-moore.com; a=openpgp; fpr=7100AADFAE6E6E940D2E0AD655E45A5AE8CA7C8A Content-Transfer-Encoding: 8bit On 32-bit systems the newly added namespace fields in the common_audit_data struct exceed the BUILD_BUG_ON(sizeof(void *) * 2) size check in audit_log_lsm_data(). Convert the size check to two u64 types to both fit the new fields and move to a size that is not architecture dependent. Fixes: bb20ca26f960 ("lsm: add LSM_AUDIT_DATA_NS for namespace audit records") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202608131232.Owej9tlx-lkp@intel.com/ Signed-off-by: Paul Moore --- security/lsm_audit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/lsm_audit.c b/security/lsm_audit.c index 404ccbbbf94c..29116ef2986b 100644 --- a/security/lsm_audit.c +++ b/security/lsm_audit.c @@ -182,7 +182,7 @@ void audit_log_lsm_data(struct audit_buffer *ab, * start making this union too large! See struct lsm_network_audit * as an example of how to deal with large data. */ - BUILD_BUG_ON(sizeof(a->u) > sizeof(void *)*2); + BUILD_BUG_ON(sizeof(a->u) > (sizeof(u64) * 2)); switch (a->type) { case LSM_AUDIT_DATA_NONE: -- 2.55.0