diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/audit.c | 30 | ||||
| -rw-r--r-- | kernel/audit_tree.c | 12 | ||||
| -rw-r--r-- | kernel/auditsc.c | 8 |
3 files changed, 21 insertions, 29 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 678c3f000191..22bb4f24f071 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -64,7 +64,6 @@ #include <linux/security.h> #endif #include <linux/freezer.h> -#include <linux/tty.h> #include <linux/pid_namespace.h> #include <net/netns/generic.h> @@ -430,7 +429,6 @@ restart: attempts, audit_pid); set_current_state(TASK_INTERRUPTIBLE); schedule(); - __set_current_state(TASK_RUNNING); goto restart; } } @@ -1341,15 +1339,14 @@ static inline void audit_get_stamp(struct audit_context *ctx, static long wait_for_auditd(long sleep_time) { DECLARE_WAITQUEUE(wait, current); - set_current_state(TASK_UNINTERRUPTIBLE); - add_wait_queue_exclusive(&audit_backlog_wait, &wait); if (audit_backlog_limit && - skb_queue_len(&audit_skb_queue) > audit_backlog_limit) + skb_queue_len(&audit_skb_queue) > audit_backlog_limit) { + add_wait_queue_exclusive(&audit_backlog_wait, &wait); + set_current_state(TASK_UNINTERRUPTIBLE); sleep_time = schedule_timeout(sleep_time); - - __set_current_state(TASK_RUNNING); - remove_wait_queue(&audit_backlog_wait, &wait); + remove_wait_queue(&audit_backlog_wait, &wait); + } return sleep_time; } @@ -1890,21 +1887,14 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk) { const struct cred *cred; char comm[sizeof(tsk->comm)]; - char *tty; + struct tty_struct *tty; if (!ab) return; /* tsk == current */ cred = current_cred(); - - spin_lock_irq(&tsk->sighand->siglock); - if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name) - tty = tsk->signal->tty->name; - else - tty = "(none)"; - spin_unlock_irq(&tsk->sighand->siglock); - + tty = audit_get_tty(tsk); audit_log_format(ab, " ppid=%d pid=%d auid=%u uid=%u gid=%u" " euid=%u suid=%u fsuid=%u" @@ -1920,11 +1910,11 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk) from_kgid(&init_user_ns, cred->egid), from_kgid(&init_user_ns, cred->sgid), from_kgid(&init_user_ns, cred->fsgid), - tty, audit_get_sessionid(tsk)); - + tty ? tty_name(tty) : "(none)", + audit_get_sessionid(tsk)); + audit_put_tty(tty); audit_log_format(ab, " comm="); audit_log_untrustedstring(ab, get_task_comm(comm, tsk)); - audit_log_d_path_exe(ab, tsk->mm); audit_log_task_context(ab); } diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 5efe9b299a12..25772476fa4a 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -661,10 +661,10 @@ static int tag_mount(struct vfsmount *mnt, void *arg) static int prune_tree_thread(void *unused) { for (;;) { - set_current_state(TASK_INTERRUPTIBLE); - if (list_empty(&prune_list)) + if (list_empty(&prune_list)) { + set_current_state(TASK_INTERRUPTIBLE); schedule(); - __set_current_state(TASK_RUNNING); + } mutex_lock(&audit_cmd_mutex); mutex_lock(&audit_filter_mutex); @@ -693,16 +693,14 @@ static int audit_launch_prune(void) { if (prune_thread) return 0; - prune_thread = kthread_create(prune_tree_thread, NULL, + prune_thread = kthread_run(prune_tree_thread, NULL, "audit_prune_tree"); if (IS_ERR(prune_thread)) { pr_err("cannot start thread audit_prune_tree"); prune_thread = NULL; return -ENOMEM; - } else { - wake_up_process(prune_thread); - return 0; } + return 0; } /* called with audit_filter_mutex */ diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 7d0e3cf8abe1..62ab53d7619c 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -1980,6 +1980,7 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid, { struct audit_buffer *ab; uid_t uid, oldloginuid, loginuid; + struct tty_struct *tty; if (!audit_enabled) return; @@ -1987,14 +1988,17 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid, uid = from_kuid(&init_user_ns, task_uid(current)); oldloginuid = from_kuid(&init_user_ns, koldloginuid); loginuid = from_kuid(&init_user_ns, kloginuid), + tty = audit_get_tty(current); ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_LOGIN); if (!ab) return; audit_log_format(ab, "pid=%d uid=%u", task_pid_nr(current), uid); audit_log_task_context(ab); - audit_log_format(ab, " old-auid=%u auid=%u old-ses=%u ses=%u res=%d", - oldloginuid, loginuid, oldsessionid, sessionid, !rc); + audit_log_format(ab, " old-auid=%u auid=%u tty=%s old-ses=%u ses=%u res=%d", + oldloginuid, loginuid, tty ? tty_name(tty) : "(none)", + oldsessionid, sessionid, !rc); + audit_put_tty(tty); audit_log_end(ab); } |