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-rw-r--r--kernel/capability.c14
-rw-r--r--kernel/exit.c31
-rw-r--r--kernel/fork.c2
-rw-r--r--kernel/futex.c27
-rw-r--r--kernel/futex_compat.c4
-rw-r--r--kernel/ptrace.c4
-rw-r--r--kernel/sched.c6
-rw-r--r--kernel/signal.c52
-rw-r--r--kernel/sys.c54
-rw-r--r--kernel/sysctl.c2
-rw-r--r--kernel/timer.c7
11 files changed, 132 insertions, 71 deletions
diff --git a/kernel/capability.c b/kernel/capability.c
index f02ad47320b9..d4377c5a36c9 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -62,8 +62,9 @@ asmlinkage long sys_capget(cap_user_header_t header, cap_user_data_t dataptr)
spin_lock(&task_capability_lock);
read_lock(&tasklist_lock);
- if (pid && pid != current->pid) {
- target = find_task_by_pid(pid);
+ if (pid && pid != task_pid_vnr(current)) {
+ target = find_task_by_pid_ns(pid,
+ current->nsproxy->pid_ns);
if (!target) {
ret = -ESRCH;
goto out;
@@ -96,7 +97,7 @@ static inline int cap_set_pg(int pgrp_nr, kernel_cap_t *effective,
int found = 0;
struct pid *pgrp;
- pgrp = find_pid(pgrp_nr);
+ pgrp = find_pid_ns(pgrp_nr, current->nsproxy->pid_ns);
do_each_pid_task(pgrp, PIDTYPE_PGID, g) {
target = g;
while_each_thread(g, target) {
@@ -185,7 +186,7 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data)
if (get_user(pid, &header->pid))
return -EFAULT;
- if (pid && pid != current->pid && !capable(CAP_SETPCAP))
+ if (pid && pid != task_pid_vnr(current) && !capable(CAP_SETPCAP))
return -EPERM;
if (copy_from_user(&effective, &data->effective, sizeof(effective)) ||
@@ -196,8 +197,9 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data)
spin_lock(&task_capability_lock);
read_lock(&tasklist_lock);
- if (pid > 0 && pid != current->pid) {
- target = find_task_by_pid(pid);
+ if (pid > 0 && pid != task_pid_vnr(current)) {
+ target = find_task_by_pid_ns(pid,
+ current->nsproxy->pid_ns);
if (!target) {
ret = -ESRCH;
goto out;
diff --git a/kernel/exit.c b/kernel/exit.c
index 567909fd6be4..68d27039ef7d 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1112,15 +1112,17 @@ asmlinkage void sys_exit_group(int error_code)
static int eligible_child(pid_t pid, int options, struct task_struct *p)
{
int err;
+ struct pid_namespace *ns;
+ ns = current->nsproxy->pid_ns;
if (pid > 0) {
- if (p->pid != pid)
+ if (task_pid_nr_ns(p, ns) != pid)
return 0;
} else if (!pid) {
- if (task_pgrp_nr(p) != task_pgrp_nr(current))
+ if (task_pgrp_nr_ns(p, ns) != task_pgrp_vnr(current))
return 0;
} else if (pid != -1) {
- if (task_pgrp_nr(p) != -pid)
+ if (task_pgrp_nr_ns(p, ns) != -pid)
return 0;
}
@@ -1190,9 +1192,12 @@ static int wait_task_zombie(struct task_struct *p, int noreap,
{
unsigned long state;
int retval, status, traced;
+ struct pid_namespace *ns;
+
+ ns = current->nsproxy->pid_ns;
if (unlikely(noreap)) {
- pid_t pid = p->pid;
+ pid_t pid = task_pid_nr_ns(p, ns);
uid_t uid = p->uid;
int exit_code = p->exit_code;
int why, status;
@@ -1311,11 +1316,11 @@ static int wait_task_zombie(struct task_struct *p, int noreap,
retval = put_user(status, &infop->si_status);
}
if (!retval && infop)
- retval = put_user(p->pid, &infop->si_pid);
+ retval = put_user(task_pid_nr_ns(p, ns), &infop->si_pid);
if (!retval && infop)
retval = put_user(p->uid, &infop->si_uid);
if (!retval)
- retval = p->pid;
+ retval = task_pid_nr_ns(p, ns);
if (traced) {
write_lock_irq(&tasklist_lock);
@@ -1352,6 +1357,7 @@ static int wait_task_stopped(struct task_struct *p, int delayed_group_leader,
int __user *stat_addr, struct rusage __user *ru)
{
int retval, exit_code;
+ struct pid_namespace *ns;
if (!p->exit_code)
return 0;
@@ -1370,11 +1376,12 @@ static int wait_task_stopped(struct task_struct *p, int delayed_group_leader,
* keep holding onto the tasklist_lock while we call getrusage and
* possibly take page faults for user memory.
*/
+ ns = current->nsproxy->pid_ns;
get_task_struct(p);
read_unlock(&tasklist_lock);
if (unlikely(noreap)) {
- pid_t pid = p->pid;
+ pid_t pid = task_pid_nr_ns(p, ns);
uid_t uid = p->uid;
int why = (p->ptrace & PT_PTRACED) ? CLD_TRAPPED : CLD_STOPPED;
@@ -1445,11 +1452,11 @@ bail_ref:
if (!retval && infop)
retval = put_user(exit_code, &infop->si_status);
if (!retval && infop)
- retval = put_user(p->pid, &infop->si_pid);
+ retval = put_user(task_pid_nr_ns(p, ns), &infop->si_pid);
if (!retval && infop)
retval = put_user(p->uid, &infop->si_uid);
if (!retval)
- retval = p->pid;
+ retval = task_pid_nr_ns(p, ns);
put_task_struct(p);
BUG_ON(!retval);
@@ -1469,6 +1476,7 @@ static int wait_task_continued(struct task_struct *p, int noreap,
int retval;
pid_t pid;
uid_t uid;
+ struct pid_namespace *ns;
if (!(p->signal->flags & SIGNAL_STOP_CONTINUED))
return 0;
@@ -1483,7 +1491,8 @@ static int wait_task_continued(struct task_struct *p, int noreap,
p->signal->flags &= ~SIGNAL_STOP_CONTINUED;
spin_unlock_irq(&p->sighand->siglock);
- pid = p->pid;
+ ns = current->nsproxy->pid_ns;
+ pid = task_pid_nr_ns(p, ns);
uid = p->uid;
get_task_struct(p);
read_unlock(&tasklist_lock);
@@ -1494,7 +1503,7 @@ static int wait_task_continued(struct task_struct *p, int noreap,
if (!retval && stat_addr)
retval = put_user(0xffff, stat_addr);
if (!retval)
- retval = p->pid;
+ retval = task_pid_nr_ns(p, ns);
} else {
retval = wait_noreap_copyout(p, pid, uid,
CLD_CONTINUED, SIGCONT,
diff --git a/kernel/fork.c b/kernel/fork.c
index ce9297e4e7d4..a794bfcf6003 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -950,7 +950,7 @@ asmlinkage long sys_set_tid_address(int __user *tidptr)
{
current->clear_child_tid = tidptr;
- return current->pid;
+ return task_pid_vnr(current);
}
static inline void rt_mutex_init_task(struct task_struct *p)
diff --git a/kernel/futex.c b/kernel/futex.c
index e45a65e41686..86b2600381b6 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -53,6 +53,9 @@
#include <linux/signal.h>
#include <linux/module.h>
#include <linux/magic.h>
+#include <linux/pid.h>
+#include <linux/nsproxy.h>
+
#include <asm/futex.h>
#include "rtmutex_common.h"
@@ -443,7 +446,8 @@ static struct task_struct * futex_find_get_task(pid_t pid)
struct task_struct *p;
rcu_read_lock();
- p = find_task_by_pid(pid);
+ p = find_task_by_pid_ns(pid,
+ current->nsproxy->pid_ns);
if (!p || ((current->euid != p->euid) && (current->euid != p->uid)))
p = ERR_PTR(-ESRCH);
@@ -653,7 +657,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
if (!(uval & FUTEX_OWNER_DIED)) {
int ret = 0;
- newval = FUTEX_WAITERS | new_owner->pid;
+ newval = FUTEX_WAITERS | task_pid_vnr(new_owner);
curval = cmpxchg_futex_value_locked(uaddr, uval, newval);
@@ -1106,7 +1110,7 @@ static void unqueue_me_pi(struct futex_q *q)
static int fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q,
struct task_struct *curr)
{
- u32 newtid = curr->pid | FUTEX_WAITERS;
+ u32 newtid = task_pid_vnr(curr) | FUTEX_WAITERS;
struct futex_pi_state *pi_state = q->pi_state;
u32 uval, curval, newval;
int ret;
@@ -1368,7 +1372,7 @@ static int futex_lock_pi(u32 __user *uaddr, struct rw_semaphore *fshared,
* (by doing a 0 -> TID atomic cmpxchg), while holding all
* the locks. It will most likely not succeed.
*/
- newval = current->pid;
+ newval = task_pid_vnr(current);
curval = cmpxchg_futex_value_locked(uaddr, 0, newval);
@@ -1379,7 +1383,7 @@ static int futex_lock_pi(u32 __user *uaddr, struct rw_semaphore *fshared,
* Detect deadlocks. In case of REQUEUE_PI this is a valid
* situation and we return success to user space.
*/
- if (unlikely((curval & FUTEX_TID_MASK) == current->pid)) {
+ if (unlikely((curval & FUTEX_TID_MASK) == task_pid_vnr(current))) {
ret = -EDEADLK;
goto out_unlock_release_sem;
}
@@ -1408,7 +1412,7 @@ static int futex_lock_pi(u32 __user *uaddr, struct rw_semaphore *fshared,
*/
if (unlikely(ownerdied || !(curval & FUTEX_TID_MASK))) {
/* Keep the OWNER_DIED bit */
- newval = (curval & ~FUTEX_TID_MASK) | current->pid;
+ newval = (curval & ~FUTEX_TID_MASK) | task_pid_vnr(current);
ownerdied = 0;
lock_taken = 1;
}
@@ -1587,7 +1591,7 @@ retry:
/*
* We release only a lock we actually own:
*/
- if ((uval & FUTEX_TID_MASK) != current->pid)
+ if ((uval & FUTEX_TID_MASK) != task_pid_vnr(current))
return -EPERM;
/*
* First take all the futex related locks:
@@ -1608,7 +1612,7 @@ retry_unlocked:
* anyone else up:
*/
if (!(uval & FUTEX_OWNER_DIED))
- uval = cmpxchg_futex_value_locked(uaddr, current->pid, 0);
+ uval = cmpxchg_futex_value_locked(uaddr, task_pid_vnr(current), 0);
if (unlikely(uval == -EFAULT))
@@ -1617,7 +1621,7 @@ retry_unlocked:
* Rare case: we managed to release the lock atomically,
* no need to wake anyone else up:
*/
- if (unlikely(uval == current->pid))
+ if (unlikely(uval == task_pid_vnr(current)))
goto out_unlock;
/*
@@ -1854,7 +1858,8 @@ sys_get_robust_list(int pid, struct robust_list_head __user * __user *head_ptr,
ret = -ESRCH;
rcu_read_lock();
- p = find_task_by_pid(pid);
+ p = find_task_by_pid_ns(pid,
+ current->nsproxy->pid_ns);
if (!p)
goto err_unlock;
ret = -EPERM;
@@ -1887,7 +1892,7 @@ retry:
if (get_user(uval, uaddr))
return -1;
- if ((uval & FUTEX_TID_MASK) == curr->pid) {
+ if ((uval & FUTEX_TID_MASK) == task_pid_vnr(curr)) {
/*
* Ok, this dying thread is truly holding a futex
* of interest. Set the OWNER_DIED bit atomically
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 2c2e2954b713..cc098e1de960 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -8,6 +8,7 @@
#include <linux/linkage.h>
#include <linux/compat.h>
+#include <linux/nsproxy.h>
#include <linux/futex.h>
#include <asm/uaccess.h>
@@ -124,7 +125,8 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
ret = -ESRCH;
read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
+ p = find_task_by_pid_ns(pid,
+ current->nsproxy->pid_ns);
if (!p)
goto err_unlock;
ret = -EPERM;
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index a73ebd3b9d4c..66e99eb2d8a6 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -19,6 +19,7 @@
#include <linux/security.h>
#include <linux/signal.h>
#include <linux/audit.h>
+#include <linux/pid_namespace.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
@@ -443,7 +444,8 @@ struct task_struct *ptrace_get_task_struct(pid_t pid)
return ERR_PTR(-EPERM);
read_lock(&tasklist_lock);
- child = find_task_by_pid(pid);
+ child = find_task_by_pid_ns(pid,
+ current->nsproxy->pid_ns);
if (child)
get_task_struct(child);
diff --git a/kernel/sched.c b/kernel/sched.c
index 72a2a16e2214..4ac56fe3c394 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -44,6 +44,7 @@
#include <linux/vmalloc.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
+#include <linux/pid_namespace.h>
#include <linux/smp.h>
#include <linux/threads.h>
#include <linux/timer.h>
@@ -1876,7 +1877,7 @@ asmlinkage void schedule_tail(struct task_struct *prev)
preempt_enable();
#endif
if (current->set_child_tid)
- put_user(current->pid, current->set_child_tid);
+ put_user(task_pid_vnr(current), current->set_child_tid);
}
/*
@@ -4167,7 +4168,8 @@ struct task_struct *idle_task(int cpu)
*/
static struct task_struct *find_process_by_pid(pid_t pid)
{
- return pid ? find_task_by_pid(pid) : current;
+ return pid ?
+ find_task_by_pid_ns(pid, current->nsproxy->pid_ns) : current;
}
/* Actually do priority change: must hold rq lock. */
diff --git a/kernel/signal.c b/kernel/signal.c
index 98923882ba57..d809cdd6c0f1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -694,7 +694,7 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
q->info.si_signo = sig;
q->info.si_errno = 0;
q->info.si_code = SI_USER;
- q->info.si_pid = current->pid;
+ q->info.si_pid = task_pid_vnr(current);
q->info.si_uid = current->uid;
break;
case (unsigned long) SEND_SIG_PRIV:
@@ -1089,7 +1089,7 @@ kill_proc_info(int sig, struct siginfo *info, pid_t pid)
{
int error;
rcu_read_lock();
- error = kill_pid_info(sig, info, find_pid(pid));
+ error = kill_pid_info(sig, info, find_vpid(pid));
rcu_read_unlock();
return error;
}
@@ -1160,9 +1160,9 @@ static int kill_something_info(int sig, struct siginfo *info, int pid)
read_unlock(&tasklist_lock);
ret = count ? retval : -ESRCH;
} else if (pid < 0) {
- ret = kill_pgrp_info(sig, info, find_pid(-pid));
+ ret = kill_pgrp_info(sig, info, find_vpid(-pid));
} else {
- ret = kill_pid_info(sig, info, find_pid(pid));
+ ret = kill_pid_info(sig, info, find_vpid(pid));
}
rcu_read_unlock();
return ret;
@@ -1266,7 +1266,12 @@ EXPORT_SYMBOL(kill_pid);
int
kill_proc(pid_t pid, int sig, int priv)
{
- return kill_proc_info(sig, __si_special(priv), pid);
+ int ret;
+
+ rcu_read_lock();
+ ret = kill_pid_info(sig, __si_special(priv), find_pid(pid));
+ rcu_read_unlock();
+ return ret;
}
/*
@@ -1443,7 +1448,22 @@ void do_notify_parent(struct task_struct *tsk, int sig)
info.si_signo = sig;
info.si_errno = 0;
- info.si_pid = tsk->pid;
+ /*
+ * we are under tasklist_lock here so our parent is tied to
+ * us and cannot exit and release its namespace.
+ *
+ * the only it can is to switch its nsproxy with sys_unshare,
+ * bu uncharing pid namespaces is not allowed, so we'll always
+ * see relevant namespace
+ *
+ * write_lock() currently calls preempt_disable() which is the
+ * same as rcu_read_lock(), but according to Oleg, this is not
+ * correct to rely on this
+ */
+ rcu_read_lock();
+ info.si_pid = task_pid_nr_ns(tsk, tsk->parent->nsproxy->pid_ns);
+ rcu_read_unlock();
+
info.si_uid = tsk->uid;
/* FIXME: find out whether or not this is supposed to be c*time. */
@@ -1508,7 +1528,13 @@ static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
info.si_signo = SIGCHLD;
info.si_errno = 0;
- info.si_pid = tsk->pid;
+ /*
+ * see comment in do_notify_parent() abot the following 3 lines
+ */
+ rcu_read_lock();
+ info.si_pid = task_pid_nr_ns(tsk, tsk->parent->nsproxy->pid_ns);
+ rcu_read_unlock();
+
info.si_uid = tsk->uid;
/* FIXME: find out whether or not this is supposed to be c*time. */
@@ -1634,7 +1660,7 @@ void ptrace_notify(int exit_code)
memset(&info, 0, sizeof info);
info.si_signo = SIGTRAP;
info.si_code = exit_code;
- info.si_pid = current->pid;
+ info.si_pid = task_pid_vnr(current);
info.si_uid = current->uid;
/* Let the debugger run. */
@@ -1804,7 +1830,7 @@ relock:
info->si_signo = signr;
info->si_errno = 0;
info->si_code = SI_USER;
- info->si_pid = current->parent->pid;
+ info->si_pid = task_pid_vnr(current->parent);
info->si_uid = current->parent->uid;
}
@@ -2191,7 +2217,7 @@ sys_kill(int pid, int sig)
info.si_signo = sig;
info.si_errno = 0;
info.si_code = SI_USER;
- info.si_pid = current->tgid;
+ info.si_pid = task_tgid_vnr(current);
info.si_uid = current->uid;
return kill_something_info(sig, &info, pid);
@@ -2207,12 +2233,12 @@ static int do_tkill(int tgid, int pid, int sig)
info.si_signo = sig;
info.si_errno = 0;
info.si_code = SI_TKILL;
- info.si_pid = current->tgid;
+ info.si_pid = task_tgid_vnr(current);
info.si_uid = current->uid;
read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
- if (p && (tgid <= 0 || p->tgid == tgid)) {
+ p = find_task_by_pid_ns(pid, current->nsproxy->pid_ns);
+ if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) {
error = check_kill_permission(sig, &info, p);
/*
* The null signal is a permissions and process existence
diff --git a/kernel/sys.c b/kernel/sys.c
index 4cfa213a5ac2..23620d52cf37 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -152,7 +152,8 @@ asmlinkage long sys_setpriority(int which, int who, int niceval)
switch (which) {
case PRIO_PROCESS:
if (who)
- p = find_task_by_pid(who);
+ p = find_task_by_pid_ns(who,
+ current->nsproxy->pid_ns);
else
p = current;
if (p)
@@ -160,7 +161,7 @@ asmlinkage long sys_setpriority(int which, int who, int niceval)
break;
case PRIO_PGRP:
if (who)
- pgrp = find_pid(who);
+ pgrp = find_vpid(who);
else
pgrp = task_pgrp(current);
do_each_pid_task(pgrp, PIDTYPE_PGID, p) {
@@ -209,7 +210,8 @@ asmlinkage long sys_getpriority(int which, int who)
switch (which) {
case PRIO_PROCESS:
if (who)
- p = find_task_by_pid(who);
+ p = find_task_by_pid_ns(who,
+ current->nsproxy->pid_ns);
else
p = current;
if (p) {
@@ -220,7 +222,7 @@ asmlinkage long sys_getpriority(int which, int who)
break;
case PRIO_PGRP:
if (who)
- pgrp = find_pid(who);
+ pgrp = find_vpid(who);
else
pgrp = task_pgrp(current);
do_each_pid_task(pgrp, PIDTYPE_PGID, p) {
@@ -917,9 +919,10 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
struct task_struct *p;
struct task_struct *group_leader = current->group_leader;
int err = -EINVAL;
+ struct pid_namespace *ns;
if (!pid)
- pid = group_leader->pid;
+ pid = task_pid_vnr(group_leader);
if (!pgid)
pgid = pid;
if (pgid < 0)
@@ -928,10 +931,12 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
/* From this point forward we keep holding onto the tasklist lock
* so that our parent does not change from under us. -DaveM
*/
+ ns = current->nsproxy->pid_ns;
+
write_lock_irq(&tasklist_lock);
err = -ESRCH;
- p = find_task_by_pid(pid);
+ p = find_task_by_pid_ns(pid, ns);
if (!p)
goto out;
@@ -957,9 +962,9 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
goto out;
if (pgid != pid) {
- struct task_struct *g =
- find_task_by_pid_type(PIDTYPE_PGID, pgid);
+ struct task_struct *g;
+ g = find_task_by_pid_type_ns(PIDTYPE_PGID, pgid, ns);
if (!g || task_session(g) != task_session(group_leader))
goto out;
}
@@ -968,10 +973,13 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
if (err)
goto out;
- if (task_pgrp_nr(p) != pgid) {
+ if (task_pgrp_nr_ns(p, ns) != pgid) {
+ struct pid *pid;
+
detach_pid(p, PIDTYPE_PGID);
- p->signal->pgrp = pgid;
- attach_pid(p, PIDTYPE_PGID, find_pid(pgid));
+ pid = find_vpid(pgid);
+ attach_pid(p, PIDTYPE_PGID, pid);
+ p->signal->pgrp = pid_nr(pid);
}
err = 0;
@@ -984,19 +992,21 @@ out:
asmlinkage long sys_getpgid(pid_t pid)
{
if (!pid)
- return task_pgrp_nr(current);
+ return task_pgrp_vnr(current);
else {
int retval;
struct task_struct *p;
+ struct pid_namespace *ns;
- read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
+ ns = current->nsproxy->pid_ns;
+ read_lock(&tasklist_lock);
+ p = find_task_by_pid_ns(pid, ns);
retval = -ESRCH;
if (p) {
retval = security_task_getpgid(p);
if (!retval)
- retval = task_pgrp_nr(p);
+ retval = task_pgrp_nr_ns(p, ns);
}
read_unlock(&tasklist_lock);
return retval;
@@ -1008,7 +1018,7 @@ asmlinkage long sys_getpgid(pid_t pid)
asmlinkage long sys_getpgrp(void)
{
/* SMP - assuming writes are word atomic this is fine */
- return task_pgrp_nr(current);
+ return task_pgrp_vnr(current);
}
#endif
@@ -1016,19 +1026,21 @@ asmlinkage long sys_getpgrp(void)
asmlinkage long sys_getsid(pid_t pid)
{
if (!pid)
- return task_session_nr(current);
+ return task_session_vnr(current);
else {
int retval;
struct task_struct *p;
+ struct pid_namespace *ns;
- read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
+ ns = current->nsproxy->pid_ns;
+ read_lock(&tasklist_lock);
+ p = find_task_by_pid_ns(pid, ns);
retval = -ESRCH;
if (p) {
retval = security_task_getsid(p);
if (!retval)
- retval = task_session_nr(p);
+ retval = task_session_nr_ns(p, ns);
}
read_unlock(&tasklist_lock);
return retval;
@@ -1065,7 +1077,7 @@ asmlinkage long sys_setsid(void)
group_leader->signal->tty = NULL;
spin_unlock(&group_leader->sighand->siglock);
- err = task_pgrp_nr(group_leader);
+ err = task_pgrp_vnr(group_leader);
out:
write_unlock_irq(&tasklist_lock);
return err;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 44868e4df1d3..3b4efbe26445 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2278,7 +2278,7 @@ static int proc_do_cad_pid(struct ctl_table *table, int write, struct file *filp
pid_t tmp;
int r;
- tmp = pid_nr(cad_pid);
+ tmp = pid_nr_ns(cad_pid, current->nsproxy->pid_ns);
r = __do_proc_dointvec(&tmp, table, write, filp, buffer,
lenp, ppos, NULL, NULL);
diff --git a/kernel/timer.c b/kernel/timer.c
index 8521d10fbb27..fb4e67d5dd60 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -26,6 +26,7 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/swap.h>
+#include <linux/pid_namespace.h>
#include <linux/notifier.h>
#include <linux/thread_info.h>
#include <linux/time.h>
@@ -956,7 +957,7 @@ asmlinkage unsigned long sys_alarm(unsigned int seconds)
*/
asmlinkage long sys_getpid(void)
{
- return current->tgid;
+ return task_tgid_vnr(current);
}
/*
@@ -970,7 +971,7 @@ asmlinkage long sys_getppid(void)
int pid;
rcu_read_lock();
- pid = rcu_dereference(current->real_parent)->tgid;
+ pid = task_ppid_nr_ns(current, current->nsproxy->pid_ns);
rcu_read_unlock();
return pid;
@@ -1102,7 +1103,7 @@ EXPORT_SYMBOL(schedule_timeout_uninterruptible);
/* Thread ID - the internal kernel "pid" */
asmlinkage long sys_gettid(void)
{
- return current->pid;
+ return task_pid_vnr(current);
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 01:10:36 +0100