diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/tomoyo/common.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index 30dd1c68a64..ff51f1026b5 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -1232,11 +1232,13 @@ static bool tomoyo_is_select_one(struct tomoyo_io_buffer *head, if (sscanf(data, "pid=%u", &pid) == 1) { struct task_struct *p; + rcu_read_lock(); read_lock(&tasklist_lock); p = find_task_by_vpid(pid); if (p) domain = tomoyo_real_domain(p); read_unlock(&tasklist_lock); + rcu_read_unlock(); } else if (!strncmp(data, "domain=", 7)) { if (tomoyo_is_domain_def(data + 7)) domain = tomoyo_find_domain(data + 7); @@ -1635,11 +1637,13 @@ static int tomoyo_read_pid(struct tomoyo_io_buffer *head) const int pid = head->read_step; struct task_struct *p; struct tomoyo_domain_info *domain = NULL; + rcu_read_lock(); read_lock(&tasklist_lock); p = find_task_by_vpid(pid); if (p) domain = tomoyo_real_domain(p); read_unlock(&tasklist_lock); + rcu_read_unlock(); if (domain) tomoyo_io_printf(head, "%d %u %s", pid, domain->profile, domain->domainname->name); |