From 39d84824eae3b1348408237173c710473e726ca9 Mon Sep 17 00:00:00 2001 From: John Johansen Date: Thu, 30 Mar 2017 05:25:23 -0700 Subject: [PATCH] apparmor: provide information about path buffer size at boot Signed-off-by: John Johansen --- security/apparmor/lsm.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index a128f1772135..8ab00c98613f 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -774,11 +774,18 @@ static int param_get_aabool(char *buffer, const struct kernel_param *kp) static int param_set_aauint(const char *val, const struct kernel_param *kp) { + int error; + if (!apparmor_enabled) return -EINVAL; - if (apparmor_initialized && !policy_admin_capable(NULL)) + /* file is ro but enforce 2nd line check */ + if (apparmor_initialized) return -EPERM; - return param_set_uint(val, kp); + + error = param_set_uint(val, kp); + pr_info("AppArmor: buffer size set to %d bytes\n", aa_g_path_max); + + return error; } static int param_get_aauint(char *buffer, const struct kernel_param *kp) -- 2.20.1