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-rw-r--r--net/ipv6/ip6_flowlabel.c47
-rw-r--r--net/ipv6/raw.c3
-rw-r--r--net/ipv6/tcp_ipv6.c6
-rw-r--r--net/ipv6/udp.c3
4 files changed, 47 insertions, 12 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 9772fbd8a3f5..90bbefb57943 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -22,6 +22,7 @@
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <linux/pid_namespace.h>
#include <net/net_namespace.h>
#include <net/sock.h>
@@ -91,6 +92,8 @@ static struct ip6_flowlabel *fl_lookup(struct net *net, __be32 label)
static void fl_free(struct ip6_flowlabel *fl)
{
if (fl) {
+ if (fl->share == IPV6_FL_S_PROCESS)
+ put_pid(fl->owner.pid);
release_net(fl->fl_net);
kfree(fl->opt);
}
@@ -394,10 +397,10 @@ fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq,
case IPV6_FL_S_ANY:
break;
case IPV6_FL_S_PROCESS:
- fl->owner = current->pid;
+ fl->owner.pid = get_task_pid(current, PIDTYPE_PID);
break;
case IPV6_FL_S_USER:
- fl->owner = current_euid();
+ fl->owner.uid = current_euid();
break;
default:
err = -EINVAL;
@@ -561,7 +564,10 @@ recheck:
err = -EPERM;
if (fl1->share == IPV6_FL_S_EXCL ||
fl1->share != fl->share ||
- fl1->owner != fl->owner)
+ ((fl1->share == IPV6_FL_S_PROCESS) &&
+ (fl1->owner.pid == fl->owner.pid)) ||
+ ((fl1->share == IPV6_FL_S_USER) &&
+ uid_eq(fl1->owner.uid, fl->owner.uid)))
goto release;
err = -EINVAL;
@@ -621,6 +627,7 @@ done:
struct ip6fl_iter_state {
struct seq_net_private p;
+ struct pid_namespace *pid_ns;
int bucket;
};
@@ -699,6 +706,7 @@ static void ip6fl_seq_stop(struct seq_file *seq, void *v)
static int ip6fl_seq_show(struct seq_file *seq, void *v)
{
+ struct ip6fl_iter_state *state = ip6fl_seq_private(seq);
if (v == SEQ_START_TOKEN)
seq_printf(seq, "%-5s %-1s %-6s %-6s %-6s %-8s %-32s %s\n",
"Label", "S", "Owner", "Users", "Linger", "Expires", "Dst", "Opt");
@@ -708,7 +716,11 @@ static int ip6fl_seq_show(struct seq_file *seq, void *v)
"%05X %-1d %-6d %-6d %-6ld %-8ld %pi6 %-4d\n",
(unsigned int)ntohl(fl->label),
fl->share,
- (int)fl->owner,
+ ((fl->share == IPV6_FL_S_PROCESS) ?
+ pid_nr_ns(fl->owner.pid, state->pid_ns) :
+ ((fl->share == IPV6_FL_S_USER) ?
+ from_kuid_munged(seq_user_ns(seq), fl->owner.uid) :
+ 0)),
atomic_read(&fl->users),
fl->linger/HZ,
(long)(fl->expires - jiffies)/HZ,
@@ -727,8 +739,29 @@ static const struct seq_operations ip6fl_seq_ops = {
static int ip6fl_seq_open(struct inode *inode, struct file *file)
{
- return seq_open_net(inode, file, &ip6fl_seq_ops,
- sizeof(struct ip6fl_iter_state));
+ struct seq_file *seq;
+ struct ip6fl_iter_state *state;
+ int err;
+
+ err = seq_open_net(inode, file, &ip6fl_seq_ops,
+ sizeof(struct ip6fl_iter_state));
+
+ if (!err) {
+ seq = file->private_data;
+ state = ip6fl_seq_private(seq);
+ rcu_read_lock();
+ state->pid_ns = get_pid_ns(task_active_pid_ns(current));
+ rcu_read_unlock();
+ }
+ return err;
+}
+
+static int ip6fl_seq_release(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq = file->private_data;
+ struct ip6fl_iter_state *state = ip6fl_seq_private(seq);
+ put_pid_ns(state->pid_ns);
+ return seq_release_net(inode, file);
}
static const struct file_operations ip6fl_seq_fops = {
@@ -736,7 +769,7 @@ static const struct file_operations ip6fl_seq_fops = {
.open = ip6fl_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_net,
+ .release = ip6fl_seq_release,
};
static int __net_init ip6_flowlabel_proc_init(struct net *net)
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 4a5f78b50495..d8e95c77db99 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1250,7 +1250,8 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
0, 0L, 0,
- sock_i_uid(sp), 0,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+ 0,
sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index acd32e3f1b68..342ec62cdbde 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1829,7 +1829,7 @@ static void tcp_v6_destroy_sock(struct sock *sk)
#ifdef CONFIG_PROC_FS
/* Proc filesystem TCPv6 sock list dumping. */
static void get_openreq6(struct seq_file *seq,
- const struct sock *sk, struct request_sock *req, int i, int uid)
+ const struct sock *sk, struct request_sock *req, int i, kuid_t uid)
{
int ttd = req->expires - jiffies;
const struct in6_addr *src = &inet6_rsk(req)->loc_addr;
@@ -1853,7 +1853,7 @@ static void get_openreq6(struct seq_file *seq,
1, /* timers active (only the expire timer) */
jiffies_to_clock_t(ttd),
req->retrans,
- uid,
+ from_kuid_munged(seq_user_ns(seq), uid),
0, /* non standard timer */
0, /* open_requests have no inode */
0, req);
@@ -1903,7 +1903,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
timer_active,
jiffies_to_clock_t(timer_expires - jiffies),
icsk->icsk_retransmits,
- sock_i_uid(sp),
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
icsk->icsk_probes_out,
sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 07e2bfef6845..fc9997260a6b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1469,7 +1469,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
0, 0L, 0,
- sock_i_uid(sp), 0,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+ 0,
sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp,
atomic_read(&sp->sk_drops));
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 19:37:28 +0000