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-rw-r--r--arch/ia64/kernel/signal.c4
-rw-r--r--arch/parisc/kernel/signal.c2
-rw-r--r--arch/sparc/kernel/sys_sunos.c2
-rw-r--r--arch/sparc64/kernel/sys_sunos32.c2
-rw-r--r--drivers/char/tty_io.c7
-rw-r--r--fs/binfmt_elf.c16
-rw-r--r--fs/binfmt_elf_fdpic.c16
-rw-r--r--fs/exec.c4
-rw-r--r--fs/fcntl.c5
-rw-r--r--fs/ioprio.c11
-rw-r--r--fs/proc/array.c27
-rw-r--r--fs/proc/base.c37
-rw-r--r--include/net/scm.h4
-rw-r--r--ipc/mqueue.c7
-rw-r--r--ipc/msg.c6
-rw-r--r--ipc/sem.c8
-rw-r--r--ipc/shm.c6
-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
-rw-r--r--mm/mempolicy.c4
-rw-r--r--mm/migrate.c4
-rw-r--r--net/core/scm.c4
-rw-r--r--net/unix/af_unix.c6
32 files changed, 241 insertions, 144 deletions
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index aeec8184e86..cdb64cc4d9c 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -227,7 +227,7 @@ ia64_rt_sigreturn (struct sigscratch *scr)
si.si_signo = SIGSEGV;
si.si_errno = 0;
si.si_code = SI_KERNEL;
- si.si_pid = current->pid;
+ si.si_pid = task_pid_vnr(current);
si.si_uid = current->uid;
si.si_addr = sc;
force_sig_info(SIGSEGV, &si, current);
@@ -332,7 +332,7 @@ force_sigsegv_info (int sig, void __user *addr)
si.si_signo = SIGSEGV;
si.si_errno = 0;
si.si_code = SI_KERNEL;
- si.si_pid = current->pid;
+ si.si_pid = task_pid_vnr(current);
si.si_uid = current->uid;
si.si_addr = addr;
force_sig_info(SIGSEGV, &si, current);
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index fb35ebc0c4d..2ce3806f02e 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -181,7 +181,7 @@ give_sigsegv:
si.si_signo = SIGSEGV;
si.si_errno = 0;
si.si_code = SI_KERNEL;
- si.si_pid = current->pid;
+ si.si_pid = task_pid_vnr(current);
si.si_uid = current->uid;
si.si_addr = &frame->uc;
force_sig_info(SIGSEGV, &si, current);
diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c
index f807172cab0..28c187c5d9f 100644
--- a/arch/sparc/kernel/sys_sunos.c
+++ b/arch/sparc/kernel/sys_sunos.c
@@ -866,7 +866,7 @@ asmlinkage int sunos_killpg(int pgrp, int sig)
rcu_read_lock();
ret = -EINVAL;
if (pgrp > 0)
- ret = kill_pgrp(find_pid(pgrp), sig, 0);
+ ret = kill_pgrp(find_vpid(pgrp), sig, 0);
rcu_read_unlock();
return ret;
diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c
index 8f7a06e2c7e..170d6ca8de6 100644
--- a/arch/sparc64/kernel/sys_sunos32.c
+++ b/arch/sparc64/kernel/sys_sunos32.c
@@ -831,7 +831,7 @@ asmlinkage int sunos_killpg(int pgrp, int sig)
rcu_read_lock();
ret = -EINVAL;
if (pgrp > 0)
- ret = kill_pgrp(find_pid(pgrp), sig, 0);
+ ret = kill_pgrp(find_vpid(pgrp), sig, 0);
rcu_read_unlock();
return ret;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 9820f86831e..e4054494713 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -103,6 +103,7 @@
#include <linux/selection.h>
#include <linux/kmod.h>
+#include <linux/nsproxy.h>
#undef TTY_DEBUG_HANGUP
@@ -3107,7 +3108,7 @@ static int tiocgpgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t
*/
if (tty == real_tty && current->signal->tty != real_tty)
return -ENOTTY;
- return put_user(pid_nr(real_tty->pgrp), p);
+ return put_user(pid_vnr(real_tty->pgrp), p);
}
/**
@@ -3141,7 +3142,7 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t
if (pgrp_nr < 0)
return -EINVAL;
rcu_read_lock();
- pgrp = find_pid(pgrp_nr);
+ pgrp = find_vpid(pgrp_nr);
retval = -ESRCH;
if (!pgrp)
goto out_unlock;
@@ -3178,7 +3179,7 @@ static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t _
return -ENOTTY;
if (!real_tty->session)
return -ENOTTY;
- return put_user(pid_nr(real_tty->session), p);
+ return put_user(pid_vnr(real_tty->session), p);
}
/**
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 9ea2b99dc31..ba8de7ca260 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1383,10 +1383,10 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
prstatus->pr_info.si_signo = prstatus->pr_cursig = signr;
prstatus->pr_sigpend = p->pending.signal.sig[0];
prstatus->pr_sighold = p->blocked.sig[0];
- prstatus->pr_pid = p->pid;
- prstatus->pr_ppid = p->parent->pid;
- prstatus->pr_pgrp = task_pgrp_nr(p);
- prstatus->pr_sid = task_session_nr(p);
+ prstatus->pr_pid = task_pid_vnr(p);
+ prstatus->pr_ppid = task_pid_vnr(p->parent);
+ prstatus->pr_pgrp = task_pgrp_vnr(p);
+ prstatus->pr_sid = task_session_vnr(p);
if (thread_group_leader(p)) {
/*
* This is the record for the group leader. Add in the
@@ -1429,10 +1429,10 @@ static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
psinfo->pr_psargs[i] = ' ';
psinfo->pr_psargs[len] = 0;
- psinfo->pr_pid = p->pid;
- psinfo->pr_ppid = p->parent->pid;
- psinfo->pr_pgrp = task_pgrp_nr(p);
- psinfo->pr_sid = task_session_nr(p);
+ psinfo->pr_pid = task_pid_vnr(p);
+ psinfo->pr_ppid = task_pid_vnr(p->parent);
+ psinfo->pr_pgrp = task_pgrp_vnr(p);
+ psinfo->pr_sid = task_session_vnr(p);
i = p->state ? ffz(~p->state) + 1 : 0;
psinfo->pr_state = i;
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index b8b4e93f6f6..32649f2a165 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1342,10 +1342,10 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
prstatus->pr_info.si_signo = prstatus->pr_cursig = signr;
prstatus->pr_sigpend = p->pending.signal.sig[0];
prstatus->pr_sighold = p->blocked.sig[0];
- prstatus->pr_pid = p->pid;
- prstatus->pr_ppid = p->parent->pid;
- prstatus->pr_pgrp = task_pgrp_nr(p);
- prstatus->pr_sid = task_session_nr(p);
+ prstatus->pr_pid = task_pid_vnr(p);
+ prstatus->pr_ppid = task_pid_vnr(p->parent);
+ prstatus->pr_pgrp = task_pgrp_vnr(p);
+ prstatus->pr_sid = task_session_vnr(p);
if (thread_group_leader(p)) {
/*
* This is the record for the group leader. Add in the
@@ -1391,10 +1391,10 @@ static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
psinfo->pr_psargs[i] = ' ';
psinfo->pr_psargs[len] = 0;
- psinfo->pr_pid = p->pid;
- psinfo->pr_ppid = p->parent->pid;
- psinfo->pr_pgrp = task_pgrp_nr(p);
- psinfo->pr_sid = task_session_nr(p);
+ psinfo->pr_pid = task_pid_vnr(p);
+ psinfo->pr_ppid = task_pid_vnr(p->parent);
+ psinfo->pr_pgrp = task_pgrp_vnr(p);
+ psinfo->pr_sid = task_session_vnr(p);
i = p->state ? ffz(~p->state) + 1 : 0;
psinfo->pr_state = i;
diff --git a/fs/exec.c b/fs/exec.c
index 92d2703d87b..007d0d814bf 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1433,7 +1433,7 @@ static int format_corename(char *corename, const char *pattern, long signr)
case 'p':
pid_in_pattern = 1;
rc = snprintf(out_ptr, out_end - out_ptr,
- "%d", current->tgid);
+ "%d", task_tgid_vnr(current));
if (rc > out_end - out_ptr)
goto out;
out_ptr += rc;
@@ -1513,7 +1513,7 @@ static int format_corename(char *corename, const char *pattern, long signr)
if (!ispipe && !pid_in_pattern
&& (core_uses_pid || atomic_read(&current->mm->mm_users) != 1)) {
rc = snprintf(out_ptr, out_end - out_ptr,
- ".%d", current->tgid);
+ ".%d", task_tgid_vnr(current));
if (rc > out_end - out_ptr)
goto out;
out_ptr += rc;
diff --git a/fs/fcntl.c b/fs/fcntl.c
index c9db73fc5e3..8685263ccc4 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -18,6 +18,7 @@
#include <linux/ptrace.h>
#include <linux/signal.h>
#include <linux/rcupdate.h>
+#include <linux/pid_namespace.h>
#include <asm/poll.h>
#include <asm/siginfo.h>
@@ -292,7 +293,7 @@ int f_setown(struct file *filp, unsigned long arg, int force)
who = -who;
}
rcu_read_lock();
- pid = find_pid(who);
+ pid = find_vpid(who);
result = __f_setown(filp, pid, type, force);
rcu_read_unlock();
return result;
@@ -308,7 +309,7 @@ pid_t f_getown(struct file *filp)
{
pid_t pid;
read_lock(&filp->f_owner.lock);
- pid = pid_nr(filp->f_owner.pid);
+ pid = pid_nr_ns(filp->f_owner.pid, current->nsproxy->pid_ns);
if (filp->f_owner.pid_type == PIDTYPE_PGID)
pid = -pid;
read_unlock(&filp->f_owner.lock);
diff --git a/fs/ioprio.c b/fs/ioprio.c
index 10d2c211d18..0a615f87142 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -25,6 +25,7 @@
#include <linux/capability.h>
#include <linux/syscalls.h>
#include <linux/security.h>
+#include <linux/pid_namespace.h>
static int set_task_ioprio(struct task_struct *task, int ioprio)
{
@@ -93,7 +94,8 @@ asmlinkage long sys_ioprio_set(int which, int who, int ioprio)
if (!who)
p = current;
else
- p = find_task_by_pid(who);
+ p = find_task_by_pid_ns(who,
+ current->nsproxy->pid_ns);
if (p)
ret = set_task_ioprio(p, ioprio);
break;
@@ -101,7 +103,7 @@ asmlinkage long sys_ioprio_set(int which, int who, int ioprio)
if (!who)
pgrp = task_pgrp(current);
else
- pgrp = find_pid(who);
+ pgrp = find_vpid(who);
do_each_pid_task(pgrp, PIDTYPE_PGID, p) {
ret = set_task_ioprio(p, ioprio);
if (ret)
@@ -180,7 +182,8 @@ asmlinkage long sys_ioprio_get(int which, int who)
if (!who)
p = current;
else
- p = find_task_by_pid(who);
+ p = find_task_by_pid_ns(who,
+ current->nsproxy->pid_ns);
if (p)
ret = get_task_ioprio(p);
break;
@@ -188,7 +191,7 @@ asmlinkage long sys_ioprio_get(int which, int who)
if (!who)
pgrp = task_pgrp(current);
else
- pgrp = find_pid(who);
+ pgrp = find_vpid(who);
do_each_pid_task(pgrp, PIDTYPE_PGID, p) {
tmpio = get_task_ioprio(p);
if (tmpio < 0)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 24f7f9f6684..04b689f3288 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -77,6 +77,7 @@
#include <linux/cpuset.h>
#include <linux/rcupdate.h>
#include <linux/delayacct.h>
+#include <linux/pid_namespace.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
@@ -161,8 +162,15 @@ static inline char *task_state(struct task_struct *p, char *buffer)
struct group_info *group_info;
int g;
struct fdtable *fdt = NULL;
+ struct pid_namespace *ns;
+ pid_t ppid, tpid;
+ ns = current->nsproxy->pid_ns;
rcu_read_lock();
+ ppid = pid_alive(p) ?
+ task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
+ tpid = pid_alive(p) && p->ptrace ?
+ task_ppid_nr_ns(rcu_dereference(p->parent), ns) : 0;
buffer += sprintf(buffer,
"State:\t%s\n"
"Tgid:\t%d\n"
@@ -172,9 +180,9 @@ static inline char *task_state(struct task_struct *p, char *buffer)
"Uid:\t%d\t%d\t%d\t%d\n"
"Gid:\t%d\t%d\t%d\t%d\n",
get_task_state(p),
- p->tgid, p->pid,
- pid_alive(p) ? rcu_dereference(p->real_parent)->tgid : 0,
- pid_alive(p) && p->ptrace ? rcu_dereference(p->parent)->pid : 0,
+ task_tgid_nr_ns(p, ns),
+ task_pid_nr_ns(p, ns),
+ ppid, tpid,
p->uid, p->euid, p->suid, p->fsuid,
p->gid, p->egid, p->sgid, p->fsgid);
@@ -394,6 +402,9 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole)
unsigned long rsslim = 0;
char tcomm[sizeof(task->comm)];
unsigned long flags;
+ struct pid_namespace *ns;
+
+ ns = current->nsproxy->pid_ns;
state = *get_task_state(task);
vsize = eip = esp = 0;
@@ -416,7 +427,7 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole)
struct signal_struct *sig = task->signal;
if (sig->tty) {
- tty_pgrp = pid_nr(sig->tty->pgrp);
+ tty_pgrp = pid_nr_ns(sig->tty->pgrp, ns);
tty_nr = new_encode_dev(tty_devnum(sig->tty));
}
@@ -449,9 +460,9 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole)
gtime += cputime_add(gtime, sig->gtime);
}
- sid = task_session_nr(task);
- pgid = task_pgrp_nr(task);
- ppid = rcu_dereference(task->real_parent)->tgid;
+ sid = task_session_nr_ns(task, ns);
+ pgid = task_pgrp_nr_ns(task, ns);
+ ppid = task_ppid_nr_ns(task, ns);
unlock_task_sighand(task, &flags);
}
@@ -483,7 +494,7 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole)
res = sprintf(buffer, "%d (%s) %c %d %d %d %d %d %u %lu \
%lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \
%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld\n",
- task->pid,
+ task_pid_nr_ns(task, ns),
tcomm,
state,
ppid,
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 21510c9aa89..db7636041c1 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1937,14 +1937,14 @@ static int proc_self_readlink(struct dentry *dentry, char __user *buffer,
int buflen)
{
char tmp[PROC_NUMBUF];
- sprintf(tmp, "%d", current->tgid);
+ sprintf(tmp, "%d", task_tgid_vnr(current));
return vfs_readlink(dentry,buffer,buflen,tmp);
}
static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
{
char tmp[PROC_NUMBUF];
- sprintf(tmp, "%d", current->tgid);
+ sprintf(tmp, "%d", task_tgid_vnr(current));
return ERR_PTR(vfs_follow_link(nd,tmp));
}
@@ -2316,6 +2316,7 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct
struct dentry *result = ERR_PTR(-ENOENT);
struct task_struct *task;
unsigned tgid;
+ struct pid_namespace *ns;
result = proc_base_lookup(dir, dentry);
if (!IS_ERR(result) || PTR_ERR(result) != -ENOENT)
@@ -2325,8 +2326,9 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct
if (tgid == ~0U)
goto out;
+ ns = dentry->d_sb->s_fs_info;
rcu_read_lock();
- task = find_task_by_pid(tgid);
+ task = find_task_by_pid_ns(tgid, ns);
if (task)
get_task_struct(task);
rcu_read_unlock();
@@ -2343,7 +2345,8 @@ out:
* Find the first task with tgid >= tgid
*
*/
-static struct task_struct *next_tgid(unsigned int tgid)
+static struct task_struct *next_tgid(unsigned int tgid,
+ struct pid_namespace *ns)
{
struct task_struct *task;
struct pid *pid;
@@ -2351,9 +2354,9 @@ static struct task_struct *next_tgid(unsigned int tgid)
rcu_read_lock();
retry:
task = NULL;
- pid = find_ge_pid(tgid, &init_pid_ns);
+ pid = find_ge_pid(tgid, ns);
if (pid) {
- tgid = pid->nr + 1;
+ tgid = pid_nr_ns(pid, ns) + 1;
task = pid_task(pid, PIDTYPE_PID);
/* What we to know is if the pid we have find is the
* pid of a thread_group_leader. Testing for task
@@ -2393,6 +2396,7 @@ int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir)
struct task_struct *reaper = get_proc_task(filp->f_path.dentry->d_inode);
struct task_struct *task;
int tgid;
+ struct pid_namespace *ns;
if (!reaper)
goto out_no_task;
@@ -2403,11 +2407,12 @@ int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir)
goto out;
}
+ ns = filp->f_dentry->d_sb->s_fs_info;
tgid = filp->f_pos - TGID_OFFSET;
- for (task = next_tgid(tgid);
+ for (task = next_tgid(tgid, ns);
task;
- put_task_struct(task), task = next_tgid(tgid + 1)) {
- tgid = task->pid;
+ put_task_struct(task), task = next_tgid(tgid + 1, ns)) {
+ tgid = task_pid_nr_ns(task, ns);
filp->f_pos = tgid + TGID_OFFSET;
if (proc_pid_fill_cache(filp, dirent, filldir, task, tgid) < 0) {
put_task_struct(task);
@@ -2531,6 +2536,7 @@ static struct dentry *proc_task_lookup(struct inode *dir, struct dentry * dentry
struct task_struct *task;
struct task_struct *leader = get_proc_task(dir);
unsigned tid;
+ struct pid_namespace *ns;
if (!leader)
goto out_no_task;
@@ -2539,8 +2545,9 @@ static struct dentry *proc_task_lookup(struct inode *dir, struct dentry * dentry
if (tid == ~0U)
goto out;
+ ns = dentry->d_sb->s_fs_info;
rcu_read_lock();
- task = find_task_by_pid(tid);
+ task = find_task_by_pid_ns(tid, ns);
if (task)
get_task_struct(task);
rcu_read_unlock();
@@ -2571,14 +2578,14 @@ out_no_task:
* threads past it.
*/
static struct task_struct *first_tid(struct task_struct *leader,
- int tid, int nr)
+ int tid, int nr, struct pid_namespace *ns)
{
struct task_struct *pos;
rcu_read_lock();
/* Attempt to start with the pid of a thread */
if (tid && (nr > 0)) {
- pos = find_task_by_pid(tid);
+ pos = find_task_by_pid_ns(tid, ns);
if (pos && (pos->group_leader == leader))
goto found;
}
@@ -2647,6 +2654,7 @@ static int proc_task_readdir(struct file * filp, void * dirent, filldir_t filldi
ino_t ino;
int tid;
unsigned long pos = filp->f_pos; /* avoiding "long long" filp->f_pos */
+ struct pid_namespace *ns;
task = get_proc_task(inode);
if (!task)
@@ -2680,12 +2688,13 @@ static int proc_task_readdir(struct file * filp, void * dirent, filldir_t filldi
/* f_version caches the tgid value that the last readdir call couldn't
* return. lseek aka telldir automagically resets f_version to 0.
*/
+ ns = filp->f_dentry->d_sb->s_fs_info;
tid = (int)filp->f_version;
filp->f_version = 0;
- for (task = first_tid(leader, tid, pos - 2);
+ for (task = first_tid(leader, tid, pos - 2, ns);
task;
task = next_tid(task), pos++) {
- tid = task->pid;
+ tid = task_pid_nr_ns(task, ns);
if (proc_task_fill_cache(filp, dirent, filldir, task, tid) < 0) {
/* returning this tgid failed, save it as the first
* pid for the next readir call */
diff --git a/include/net/scm.h b/include/net/scm.h
index 423cb1d5ac2..06df126103c 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -4,6 +4,8 @@
#include <linux/limits.h>
#include <linux/net.h>
#include <linux/security.h>
+#include <linux/pid.h>
+#include <linux/nsproxy.h>
/* Well, we should have at least one descriptor open
* to accept passed FDs 8)
@@ -54,7 +56,7 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
struct task_struct *p = current;
scm->creds.uid = p->uid;
scm->creds.gid = p->gid;
- scm->creds.pid = p->tgid;
+ scm->creds.pid = task_tgid_vnr(p);
scm->fp = NULL;
scm->seq = 0;
unix_get_peersec_dgram(sock, scm);
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 20f1fed8fa4..c0b26dc4617 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -29,6 +29,8 @@
#include <linux/audit.h>
#include <linux/signal.h>
#include <linux/mutex.h>
+#include <linux/nsproxy.h>
+#include <linux/pid.h>
#include <net/sock.h>
#include "util.h"
@@ -330,7 +332,8 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
(info->notify_owner &&
info->notify.sigev_notify == SIGEV_SIGNAL) ?
info->notify.sigev_signo : 0,
- pid_nr(info->notify_owner));
+ pid_nr_ns(info->notify_owner,
+ current->nsproxy->pid_ns));
spin_unlock(&info->lock);
buffer[sizeof(buffer)-1] = '\0';
slen = strlen(buffer)+1;
@@ -507,7 +510,7 @@ static void __do_notify(struct mqueue_inode_info *info)
sig_i.si_errno = 0;
sig_i.si_code = SI_MESGQ;
sig_i.si_value = info->notify.sigev_value;
- sig_i.si_pid = current->tgid;
+ sig_i.si_pid = task_pid_vnr(current);
sig_i.si_uid = current->uid;
kill_pid_info(info->notify.sigev_signo,
diff --git a/ipc/msg.c b/ipc/msg.c
index a03fcb522ff..319468609b7 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -611,7 +611,7 @@ static inline int pipelined_send(struct msg_queue *msq, struct msg_msg *msg)
msr->r_msg = ERR_PTR(-E2BIG);
} else {
msr->r_msg = NULL;
- msq->q_lrpid = msr->r_tsk->pid;
+ msq->q_lrpid = task_pid_vnr(msr->r_tsk);
msq->q_rtime = get_seconds();
wake_up_process(msr->r_tsk);
smp_mb();
@@ -695,7 +695,7 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext,
}
}
- msq->q_lspid = current->tgid;
+ msq->q_lspid = task_tgid_vnr(current);
msq->q_stime = get_seconds();
if (!pipelined_send(msq, msg)) {
@@ -810,7 +810,7 @@ long do_msgrcv(int msqid, long *pmtype, void __user *mtext,
list_del(&msg->m_list);
msq->q_qnum--;
msq->q_rtime = get_seconds();
- msq->q_lrpid = current->tgid;
+ msq->q_lrpid = task_tgid_vnr(current);
msq->q_cbytes -= msg->m_ts;
atomic_sub(msg->m_ts, &msg_bytes);
atomic_dec(&msg_hdrs);
diff --git a/ipc/sem.c b/ipc/sem.c
index b676fef6d20..64ff4261f4e 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -795,7 +795,7 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
for (un = sma->undo; un; un = un->id_next)
un->semadj[semnum] = 0;
curr->semval = val;
- curr->sempid = current->tgid;
+ curr->sempid = task_tgid_vnr(current);
sma->sem_ctime = get_seconds();
/* maybe some queued-up processes were waiting for this */
update_queue(sma);
@@ -1196,7 +1196,7 @@ retry_undos:
if (error)
goto out_unlock_free;
- error = try_atomic_semop (sma, sops, nsops, un, current->tgid);
+ error = try_atomic_semop (sma, sops, nsops, un, task_tgid_vnr(current));
if (error <= 0) {
if (alter && error == 0)
update_queue (sma);
@@ -1211,7 +1211,7 @@ retry_undos:
queue.sops = sops;
queue.nsops = nsops;
queue.undo = un;
- queue.pid = current->tgid;
+ queue.pid = task_tgid_vnr(current);
queue.id = semid;
queue.alter = alter;
if (alter)
@@ -1382,7 +1382,7 @@ found:
semaphore->semval = 0;
if (semaphore->semval > SEMVMX)
semaphore->semval = SEMVMX;
- semaphore->sempid = current->tgid;
+ semaphore->sempid = task_tgid_vnr(current);
}
}
sma->sem_otime = get_seconds();
diff --git a/ipc/shm.c b/ipc/shm.c
index 5fc5cf50cf1..b9d272900a1 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -168,7 +168,7 @@ static void shm_open(struct vm_area_struct *vma)
shp = shm_lock(sfd->ns, sfd->id);
BUG_ON(!shp);
shp->shm_atim = get_seconds();
- shp->shm_lprid = current->tgid;
+ shp->shm_lprid = task_tgid_vnr(current);
shp->shm_nattch++;
shm_unlock(shp);
}
@@ -213,7 +213,7 @@ static void shm_close(struct vm_area_struct *vma)
/* remove from the list of attaches of the shm segment */
shp = shm_lock(ns, sfd->id);
BUG_ON(!shp);
- shp->shm_lprid = current->tgid;
+ shp->shm_lprid = task_tgid_vnr(current);
shp->shm_dtim = get_seconds();
shp->shm_nattch--;
if(shp->shm_nattch == 0 &&
@@ -392,7 +392,7 @@ static int newseg (struct ipc_namespace *ns, key_t key, int shmflg, size_t size)
if(id == -1)
goto no_id;
- shp->shm_cprid = current->tgid;
+ shp->shm_cprid = task_tgid_vnr(current);
shp->shm_lprid = 0;
shp->shm_atim = shp->shm_dtim = 0;
shp->shm_ctim = get_seconds();
diff --git a/kernel/capability.c b/kernel/capability.c
index f02ad47320b..d4377c5a36c 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 567909fd6be..68d27039ef7 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);