path: root/security
diff options
authorJiri Slaby <jirislaby@gmail.com>2009-08-26 18:41:16 +0200
committerJiri Slaby <jirislaby@gmail.com>2010-07-16 09:48:45 +0200
commit8fd00b4d7014b00448eb33cf0590815304769798 (patch)
treef97cc5b4401dd038e539dae7ad66066383012866 /security
parent2f7989efd4398d92b8adffce2e07dd043a0895fe (diff)
rlimits: security, add task_struct to setrlimit
Add task_struct to task_setrlimit of security_operations to be able to set rlimit of task other than current. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Eric Paris <eparis@redhat.com> Acked-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
3 files changed, 9 insertions, 6 deletions
diff --git a/security/capability.c b/security/capability.c
index 8168e3ecd5b..7e468263f2d 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -412,7 +412,8 @@ static int cap_task_getioprio(struct task_struct *p)
return 0;
-static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
return 0;
diff --git a/security/security.c b/security/security.c
index 351942a4ca0..aa510609a95 100644
--- a/security/security.c
+++ b/security/security.c
@@ -769,9 +769,10 @@ int security_task_getioprio(struct task_struct *p)
return security_ops->task_getioprio(p);
-int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+int security_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
- return security_ops->task_setrlimit(resource, new_rlim);
+ return security_ops->task_setrlimit(p, resource, new_rlim);
int security_task_setscheduler(struct task_struct *p,
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 5c9f25ba1c9..e3ce6b4127c 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3371,16 +3371,17 @@ static int selinux_task_getioprio(struct task_struct *p)
return current_has_perm(p, PROCESS__GETSCHED);
-static int selinux_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+static int selinux_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
- struct rlimit *old_rlim = current->signal->rlim + resource;
+ struct rlimit *old_rlim = p->signal->rlim + resource;
/* Control the ability to change the hard limit (whether
lowering or raising it), so that the hard limit can
later be used as a safe reset point for the soft limit
upon context transitions. See selinux_bprm_committing_creds. */
if (old_rlim->rlim_max != new_rlim->rlim_max)
- return current_has_perm(current, PROCESS__SETRLIMIT);
+ return current_has_perm(p, PROCESS__SETRLIMIT);
return 0;