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Merge pull request #37 from samueldr-wip/device/asus-z00t-userns

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asus-z00t: Enable USER_NS
This commit is contained in:
Samuel Dionne-Riel 2019-11-18 21:42:15 -05:00 committed by GitHub
commit 0ad7247a53
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 1408 additions and 16 deletions
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76
devices/asus-z00t/kernel/0001-Revert-Grants-system-server-access-to-proc-pid-oom_a.patch Normal file
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@ -0,0 +1,76 @@
From 1f49c9dd4d5074f15de3231d08435e2d02c62534 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Wed, 9 Oct 2019 20:50:37 -0400
Subject: [PATCH] Revert "Grants system server access to /proc/<pid>/oom_adj
for Android applications."
This reverts commit aa3305f2ba5976a95637c69c63409fdf007e1414.
---
fs/proc/base.c | 37 +------------------------------------
1 file changed, 1 insertion(+), 36 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 870abad7717..174364d1314 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -139,12 +139,6 @@ struct pid_entry {
NULL, &proc_single_file_operations, \
{ .proc_show = show } )
-/* ANDROID is for special files in /proc. */
-#define ANDROID(NAME, MODE, OTYPE) \
- NOD(NAME, (S_IFREG|(MODE)), \
- &proc_##OTYPE##_inode_operations, \
- &proc_##OTYPE##_operations, {})
-
/*
* Count the number of hardlinks for the pid_entry table, excluding the .
* and .. links.
@@ -1012,35 +1006,6 @@ out:
return err < 0 ? err : count;
}
-static int oom_adjust_permission(struct inode *inode, int mask)
-{
- uid_t uid;
- struct task_struct *p;
-
- p = get_proc_task(inode);
- if(p) {
- uid = task_uid(p);
- put_task_struct(p);
- }
-
- /*
- * System Server (uid == 1000) is granted access to oom_adj of all
- * android applications (uid > 10000) as and services (uid >= 1000)
- */
- if (p && (current_fsuid() == 1000) && (uid >= 1000)) {
- if (inode->i_mode >> 6 & mask) {
- return 0;
- }
- }
-
- /* Fall back to default. */
- return generic_permission(inode, mask);
-}
-
-static const struct inode_operations proc_oom_adj_inode_operations = {
- .permission = oom_adjust_permission,
-};
-
static const struct file_operations proc_oom_adj_operations = {
.read = oom_adj_read,
.write = oom_adj_write,
@@ -2793,7 +2758,7 @@ static const struct pid_entry tgid_base_stuff[] = {
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
- ANDROID("oom_adj", S_IRUGO|S_IWUSR, oom_adj),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
--
2.23.0

654
devices/asus-z00t/kernel/0001-Revert-Handle-sk-being-NULL-in-UID-based-routing.patch Normal file
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@ -0,0 +1,654 @@
From 10ce33b7e705444925a85014319fd9959f586bc4 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Wed, 9 Oct 2019 20:46:09 -0400
Subject: [PATCH] Revert "Handle 'sk' being NULL in UID-based routing."
This reverts commit ba2261dc1bedf87f853def25db65df3f8977a14b.
Revert "net: core: Support UID-based routing."
This reverts commit 588de68efbffe9698deac0c8ee5cfd7a3f348be2.
---
include/net/fib_rules.h | 6 +---
include/net/flow.h | 8 +----
include/net/ip.h | 1 -
include/net/route.h | 6 ++--
include/uapi/linux/fib_rules.h | 2 --
include/uapi/linux/rtnetlink.h | 1 -
net/core/fib_rules.c | 59 +-------------------------------
net/ipv4/fib_frontend.c | 1 -
net/ipv4/inet_connection_sock.c | 6 ++--
net/ipv4/ip_output.c | 3 +-
net/ipv4/ping.c | 3 +-
net/ipv4/raw.c | 3 +-
net/ipv4/route.c | 23 ++++---------
net/ipv4/syncookies.c | 3 +-
net/ipv4/udp.c | 3 +-
net/ipv4/xfrm4_policy.c | 1 -
net/ipv6/af_inet6.c | 1 -
net/ipv6/datagram.c | 1 -
net/ipv6/inet6_connection_sock.c | 1 -
net/ipv6/ping.c | 1 -
net/ipv6/raw.c | 1 -
net/ipv6/route.c | 6 ----
net/ipv6/syncookies.c | 1 -
net/ipv6/tcp_ipv6.c | 1 -
net/ipv6/udp.c | 1 -
25 files changed, 18 insertions(+), 125 deletions(-)
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 3a4c37d9fb0..e361f488242 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -23,8 +23,6 @@ struct fib_rule {
struct fib_rule __rcu *ctarget;
char iifname[IFNAMSIZ];
char oifname[IFNAMSIZ];
- uid_t uid_start;
- uid_t uid_end;
struct rcu_head rcu;
struct net * fr_net;
};
@@ -82,9 +80,7 @@ struct fib_rules_ops {
[FRA_FWMARK] = { .type = NLA_U32 }, \
[FRA_FWMASK] = { .type = NLA_U32 }, \
[FRA_TABLE] = { .type = NLA_U32 }, \
- [FRA_GOTO] = { .type = NLA_U32 }, \
- [FRA_UID_START] = { .type = NLA_U32 }, \
- [FRA_UID_END] = { .type = NLA_U32 }
+ [FRA_GOTO] = { .type = NLA_U32 }
static inline void fib_rule_get(struct fib_rule *rule)
{
diff --git a/include/net/flow.h b/include/net/flow.h
index c3679f972fd..0eb5516a4ca 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -31,7 +31,6 @@ struct flowi_common {
#define FLOWI_FLAG_CAN_SLEEP 0x02
#define FLOWI_FLAG_KNOWN_NH 0x04
__u32 flowic_secid;
- uid_t flowic_uid;
};
union flowi_uli {
@@ -68,7 +67,6 @@ struct flowi4 {
#define flowi4_proto __fl_common.flowic_proto
#define flowi4_flags __fl_common.flowic_flags
#define flowi4_secid __fl_common.flowic_secid
-#define flowi4_uid __fl_common.flowic_uid
/* (saddr,daddr) must be grouped, same order as in IP header */
__be32 saddr;
@@ -88,8 +86,7 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif,
__u32 mark, __u8 tos, __u8 scope,
__u8 proto, __u8 flags,
__be32 daddr, __be32 saddr,
- __be16 dport, __be16 sport,
- uid_t uid)
+ __be16 dport, __be16 sport)
{
fl4->flowi4_oif = oif;
fl4->flowi4_iif = LOOPBACK_IFINDEX;
@@ -99,7 +96,6 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif,
fl4->flowi4_proto = proto;
fl4->flowi4_flags = flags;
fl4->flowi4_secid = 0;
- fl4->flowi4_uid = uid;
fl4->daddr = daddr;
fl4->saddr = saddr;
fl4->fl4_dport = dport;
@@ -127,7 +123,6 @@ struct flowi6 {
#define flowi6_proto __fl_common.flowic_proto
#define flowi6_flags __fl_common.flowic_flags
#define flowi6_secid __fl_common.flowic_secid
-#define flowi6_uid __fl_common.flowic_uid
struct in6_addr daddr;
struct in6_addr saddr;
__be32 flowlabel;
@@ -171,7 +166,6 @@ struct flowi {
#define flowi_proto u.__fl_common.flowic_proto
#define flowi_flags u.__fl_common.flowic_flags
#define flowi_secid u.__fl_common.flowic_secid
-#define flowi_uid u.__fl_common.flowic_uid
} __attribute__((__aligned__(BITS_PER_LONG/8)));
static inline struct flowi *flowi4_to_flowi(struct flowi4 *fl4)
diff --git a/include/net/ip.h b/include/net/ip.h
index 80da4e188d4..2e5194a2302 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -155,7 +155,6 @@ struct ip_reply_arg {
/* -1 if not needed */
int bound_dev_if;
u8 tos;
- uid_t uid;
};
#define IP_REPLY_ARG_NOSRCCHECK 1
diff --git a/include/net/route.h b/include/net/route.h
index 43280f6fa56..2ea40c1b5e0 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -52,7 +52,6 @@ struct rtable {
__u8 rt_uses_gateway;
int rt_iif;
- uid_t rt_uid;
/* Info on neighbour */
__be32 rt_gateway;
@@ -143,7 +142,7 @@ static inline struct rtable *ip_route_output_ports(struct net *net, struct flowi
flowi4_init_output(fl4, oif, sk ? sk->sk_mark : 0, tos,
RT_SCOPE_UNIVERSE, proto,
sk ? inet_sk_flowi_flags(sk) : 0,
- daddr, saddr, dport, sport, sk ? sock_i_uid(sk) : 0);
+ daddr, saddr, dport, sport);
if (sk)
security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
return ip_route_output_flow(net, fl4, sk);
@@ -254,8 +253,7 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32
flow_flags |= FLOWI_FLAG_CAN_SLEEP;
flowi4_init_output(fl4, oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE,
- protocol, flow_flags, dst, src, dport, sport,
- sock_i_uid(sk));
+ protocol, flow_flags, dst, src, dport, sport);
}
static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
diff --git a/include/uapi/linux/fib_rules.h b/include/uapi/linux/fib_rules.h
index 9dcdb6251cb..51da65b68b8 100644
--- a/include/uapi/linux/fib_rules.h
+++ b/include/uapi/linux/fib_rules.h
@@ -49,8 +49,6 @@ enum {
FRA_TABLE, /* Extended table id */
FRA_FWMASK, /* mask for netfilter mark */
FRA_OIFNAME,
- FRA_UID_START, /* UID range */
- FRA_UID_END,
__FRA_MAX
};
diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
index b1a99e18b70..7a2144e1afa 100644
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
@@ -296,7 +296,6 @@ enum rtattr_type_t {
RTA_MP_ALGO, /* no longer used */
RTA_TABLE,
RTA_MARK,
- RTA_UID,
RTA_MFC_STATS,
__RTA_MAX
};
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index fb9adc5d193..84340a2605e 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -17,11 +17,6 @@
#include <net/sock.h>
#include <net/fib_rules.h>
-#define uid_valid(uid) ((uid) != -1)
-#define uid_lte(a, b) ((a) <= (b))
-#define uid_eq(a, b) ((a) == (b))
-#define uid_gte(a, b) ((a) >= (b))
-
int fib_default_rule_add(struct fib_rules_ops *ops,
u32 pref, u32 table, u32 flags)
{
@@ -36,8 +31,6 @@ int fib_default_rule_add(struct fib_rules_ops *ops,
r->pref = pref;
r->table = table;
r->flags = flags;
- r->uid_start = INVALID_UID;
- r->uid_end = INVALID_UID;
r->fr_net = hold_net(ops->fro_net);
/* The lock is not required here, the list in unreacheable
@@ -186,23 +179,6 @@ void fib_rules_unregister(struct fib_rules_ops *ops)
}
EXPORT_SYMBOL_GPL(fib_rules_unregister);
-static inline uid_t fib_nl_uid(struct nlattr *nla)
-{
- return nla_get_u32(nla);
-}
-
-static int nla_put_uid(struct sk_buff *skb, int idx, uid_t uid)
-{
- return nla_put_u32(skb, idx, uid);
-}
-
-static int fib_uid_range_match(struct flowi *fl, struct fib_rule *rule)
-{
- return (!uid_valid(rule->uid_start) && !uid_valid(rule->uid_end)) ||
- (uid_gte(fl->flowi_uid, rule->uid_start) &&
- uid_lte(fl->flowi_uid, rule->uid_end));
-}
-
static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
struct flowi *fl, int flags)
{
@@ -217,9 +193,6 @@ static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
if ((rule->mark ^ fl->flowi_mark) & rule->mark_mask)
goto out;
- if (!fib_uid_range_match(fl, rule))
- goto out;
-
ret = ops->match(rule, fl, flags);
out:
return (rule->flags & FIB_RULE_INVERT) ? !ret : ret;
@@ -390,19 +363,6 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh)
} else if (rule->action == FR_ACT_GOTO)
goto errout_free;
- /* UID start and end must either both be valid or both unspecified. */
- rule->uid_start = rule->uid_end = INVALID_UID;
- if (tb[FRA_UID_START] || tb[FRA_UID_END]) {
- if (tb[FRA_UID_START] && tb[FRA_UID_END]) {
- rule->uid_start = fib_nl_uid(tb[FRA_UID_START]);
- rule->uid_end = fib_nl_uid(tb[FRA_UID_END]);
- }
- if (!uid_valid(rule->uid_start) ||
- !uid_valid(rule->uid_end) ||
- !uid_lte(rule->uid_start, rule->uid_end))
- goto errout_free;
- }
-
err = ops->configure(rule, skb, frh, tb);
if (err < 0)
goto errout_free;
@@ -509,14 +469,6 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh)
(rule->mark_mask != nla_get_u32(tb[FRA_FWMASK])))
continue;
- if (tb[FRA_UID_START] &&
- !uid_eq(rule->uid_start, fib_nl_uid(tb[FRA_UID_START])))
- continue;
-
- if (tb[FRA_UID_END] &&
- !uid_eq(rule->uid_end, fib_nl_uid(tb[FRA_UID_END])))
- continue;
-
if (!ops->compare(rule, frh, tb))
continue;
@@ -573,9 +525,7 @@ static inline size_t fib_rule_nlmsg_size(struct fib_rules_ops *ops,
+ nla_total_size(4) /* FRA_PRIORITY */
+ nla_total_size(4) /* FRA_TABLE */
+ nla_total_size(4) /* FRA_FWMARK */
- + nla_total_size(4) /* FRA_FWMASK */
- + nla_total_size(4) /* FRA_UID_START */
- + nla_total_size(4); /* FRA_UID_END */
+ + nla_total_size(4); /* FRA_FWMASK */
if (ops->nlmsg_payload)
payload += ops->nlmsg_payload(rule);
@@ -631,13 +581,6 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
(rule->target &&
nla_put_u32(skb, FRA_GOTO, rule->target)))
goto nla_put_failure;
-
- if (uid_valid(rule->uid_start))
- nla_put_uid(skb, FRA_UID_START, rule->uid_start);
-
- if (uid_valid(rule->uid_end))
- nla_put_uid(skb, FRA_UID_END, rule->uid_end);
-
if (ops->fill(rule, skb, frh) < 0)
goto nla_put_failure;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 3f991296301..9bac2e954b9 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -531,7 +531,6 @@ const struct nla_policy rtm_ipv4_policy[RTA_MAX + 1] = {
[RTA_METRICS] = { .type = NLA_NESTED },
[RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
[RTA_FLOW] = { .type = NLA_U32 },
- [RTA_UID] = { .type = NLA_U32 },
};
static int rtm_to_fib_config(struct net *net, struct sk_buff *skb,
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index ca872fec1db..07905f79996 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -422,8 +422,7 @@ struct dst_entry *inet_csk_route_req(struct sock *sk,
sk->sk_protocol,
flags,
(opt && opt->opt.srr) ? opt->opt.faddr : ireq->rmt_addr,
- ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport,
- sock_i_uid(sk));
+ ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport);
security_req_classify_flow(req, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk);
if (IS_ERR(rt))
@@ -459,8 +458,7 @@ struct dst_entry *inet_csk_route_child_sock(struct sock *sk,
RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE,
sk->sk_protocol, inet_sk_flowi_flags(sk),
(opt && opt->opt.srr) ? opt->opt.faddr : ireq->rmt_addr,
- ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport,
- sock_i_uid(sk));
+ ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport);
security_req_classify_flow(req, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk);
if (IS_ERR(rt))
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1204570dcce..a15b080130a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1494,8 +1494,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
RT_SCOPE_UNIVERSE, ip_hdr(skb)->protocol,
ip_reply_arg_flowi_flags(arg),
daddr, saddr,
- tcp_hdr(skb)->source, tcp_hdr(skb)->dest,
- arg->uid);
+ tcp_hdr(skb)->source, tcp_hdr(skb)->dest);
security_skb_classify_flow(skb, flowi4_to_flowi(&fl4));
rt = ip_route_output_key(net, &fl4);
if (IS_ERR(rt))
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 86ee6cf6fe9..f05594b2ff4 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -789,8 +789,7 @@ int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE, sk->sk_protocol,
- inet_sk_flowi_flags(sk), faddr, saddr, 0, 0,
- sock_i_uid(sk));
+ inet_sk_flowi_flags(sk), faddr, saddr, 0, 0);
security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
rt = ip_route_output_flow(net, &fl4, sk);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index b9c87c8c0b1..b4a1c42a627 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -573,8 +573,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol,
inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP |
(inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
- daddr, saddr, 0, 0,
- sock_i_uid(sk));
+ daddr, saddr, 0, 0);
if (!inet->hdrincl) {
err = raw_probe_proto_opt(&fl4, msg);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 3283060a8cc..fe162ac7ecc 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -515,7 +515,7 @@ void __ip_select_ident(struct iphdr *iph, int segs)
}
EXPORT_SYMBOL(__ip_select_ident);
-static void __build_flow_key(struct flowi4 *fl4, struct sock *sk,
+static void __build_flow_key(struct flowi4 *fl4, const struct sock *sk,
const struct iphdr *iph,
int oif, u8 tos,
u8 prot, u32 mark, int flow_flags)
@@ -531,12 +531,11 @@ static void __build_flow_key(struct flowi4 *fl4, struct sock *sk,
flowi4_init_output(fl4, oif, mark, tos,
RT_SCOPE_UNIVERSE, prot,
flow_flags,
- iph->daddr, iph->saddr, 0, 0,
- sk ? sock_i_uid(sk) : 0);
+ iph->daddr, iph->saddr, 0, 0);
}
static void build_skb_flow_key(struct flowi4 *fl4, const struct sk_buff *skb,
- struct sock *sk)
+ const struct sock *sk)
{
const struct iphdr *iph = ip_hdr(skb);
int oif = skb->dev->ifindex;
@@ -547,7 +546,7 @@ static void build_skb_flow_key(struct flowi4 *fl4, const struct sk_buff *skb,
__build_flow_key(fl4, sk, iph, oif, tos, prot, mark, 0);
}
-static void build_sk_flow_key(struct flowi4 *fl4, struct sock *sk)
+static void build_sk_flow_key(struct flowi4 *fl4, const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
const struct ip_options_rcu *inet_opt;
@@ -561,11 +560,11 @@ static void build_sk_flow_key(struct flowi4 *fl4, struct sock *sk)
RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE,
inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol,
inet_sk_flowi_flags(sk),
- daddr, inet->inet_saddr, 0, 0, sock_i_uid(sk));
+ daddr, inet->inet_saddr, 0, 0);
rcu_read_unlock();
}
-static void ip_rt_build_flow_key(struct flowi4 *fl4, struct sock *sk,
+static void ip_rt_build_flow_key(struct flowi4 *fl4, const struct sock *sk,
const struct sk_buff *skb)
{
if (skb)
@@ -1157,7 +1156,6 @@ void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt)
fl4.flowi4_oif = rt->dst.dev->ifindex;
fl4.flowi4_iif = skb->dev->ifindex;
fl4.flowi4_mark = skb->mark;
- fl4.flowi4_uid = skb->sk ? sock_i_uid(skb->sk) : 0;
rcu_read_lock();
if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res) == 0)
@@ -1448,7 +1446,6 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
rth->rt_iif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
- rth->rt_uid = 0;
rth->rt_uses_gateway = 0;
INIT_LIST_HEAD(&rth->rt_uncached);
if (our) {
@@ -1572,7 +1569,6 @@ static int __mkroute_input(struct sk_buff *skb,
rth->rt_is_input = 1;
rth->rt_iif = 0;
rth->rt_pmtu = 0;
- rth->rt_uid = 0;
rth->rt_gateway = 0;
rth->rt_uses_gateway = 0;
INIT_LIST_HEAD(&rth->rt_uncached);
@@ -1743,7 +1739,6 @@ local_input:
rth->rt_is_input = 1;
rth->rt_iif = 0;
rth->rt_pmtu = 0;
- rth->rt_uid = 0;
rth->rt_gateway = 0;
rth->rt_uses_gateway = 0;
INIT_LIST_HEAD(&rth->rt_uncached);
@@ -1947,7 +1942,6 @@ add:
rth->rt_is_input = 0;
rth->rt_iif = orig_oif ? : 0;
rth->rt_pmtu = 0;
- rth->rt_uid = fl4->flowi4_uid;
rth->rt_gateway = 0;
rth->rt_uses_gateway = 0;
INIT_LIST_HEAD(&rth->rt_uncached);
@@ -2223,7 +2217,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
rt->rt_is_input = ort->rt_is_input;
rt->rt_iif = ort->rt_iif;
rt->rt_pmtu = ort->rt_pmtu;
- rt->rt_uid = ort->rt_uid;
rt->rt_genid = rt_genid(net);
rt->rt_flags = ort->rt_flags;
@@ -2334,10 +2327,6 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
nla_put_u32(skb, RTA_MARK, fl4->flowi4_mark))
goto nla_put_failure;
- if (rt->rt_uid != (uid_t) -1 &&
- nla_put_u32(skb, RTA_UID, rt->rt_uid))
- goto nla_put_failure;
-
error = rt->dst.error;
if (rt_is_input_route(rt)) {
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index c94032b95c6..5abb45e281b 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -353,8 +353,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE, IPPROTO_TCP,
inet_sk_flowi_flags(sk),
(opt && opt->srr) ? opt->faddr : ireq->rmt_addr,
- ireq->loc_addr, th->source, th->dest,
- sock_i_uid(sk));
+ ireq->loc_addr, th->source, th->dest);
security_req_classify_flow(req, flowi4_to_flowi(&fl4));
rt = ip_route_output_key(sock_net(sk), &fl4);
if (IS_ERR(rt)) {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cba31349280..7a8af35c475 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -963,8 +963,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE, sk->sk_protocol,
inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP,
- faddr, saddr, dport, inet->inet_sport,
- sock_i_uid(sk));
+ faddr, saddr, dport, inet->inet_sport);
security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 4c436751bf9..9b5b5ddf8cd 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -80,7 +80,6 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
const struct flowi4 *fl4 = &fl->u.ip4;
xdst->u.rt.rt_iif = fl4->flowi4_iif;
- xdst->u.rt.rt_uid = fl4->flowi4_uid;
xdst->u.dst.dev = dev;
dev_hold(dev);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index dc96abd0dbb..112e14fa81b 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -702,7 +702,6 @@ int inet6_sk_rebuild_header(struct sock *sk)
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet->inet_dport;
fl6.fl6_sport = inet->inet_sport;
- fl6.flowi6_uid = sock_i_uid(sk);
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
rcu_read_lock();
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 193274c912f..0deea6ef4cc 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -162,7 +162,6 @@ ipv4_connected:
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet->inet_dport;
fl6.fl6_sport = inet->inet_sport;
- fl6.flowi6_uid = sock_i_uid(sk);
if (!fl6.flowi6_oif && (addr_type&IPV6_ADDR_MULTICAST))
fl6.flowi6_oif = np->mcast_oif;
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index f92676cb879..9cdb8e43451 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -86,7 +86,6 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
fl6->flowi6_mark = inet_rsk(req)->ir_mark;
fl6->fl6_dport = inet_rsk(req)->rmt_port;
fl6->fl6_sport = inet_rsk(req)->loc_port;
- fl6->flowi6_uid = sock_i_uid(sk);
security_req_classify_flow(req, flowi6_to_flowi(fl6));
dst = ip6_dst_lookup_flow(sk, fl6, final_p, false);
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index 40c13d48dde..9215ccbec01 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -163,7 +163,6 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_icmp_type = user_icmph.icmp6_type;
fl6.fl6_icmp_code = user_icmph.icmp6_code;
- fl6.flowi6_uid = sock_i_uid(sk);
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 5a9539e871a..a98f5f05325 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -763,7 +763,6 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_mark = sk->sk_mark;
- fl6.flowi6_uid = sock_i_uid(sk);
if (sin6) {
if (addr_len < SIN6_LEN_RFC2133)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0f68d4db7d3..a6a9023e8fd 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2247,7 +2247,6 @@ static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = {
[RTA_PRIORITY] = { .type = NLA_U32 },
[RTA_METRICS] = { .type = NLA_NESTED },
[RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
- [RTA_UID] = { .type = NLA_U32 },
};
static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
@@ -2636,11 +2635,6 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh)
if (tb[RTA_OIF])
oif = nla_get_u32(tb[RTA_OIF]);
- if (tb[RTA_UID])
- fl6.flowi6_uid = nla_get_u32(tb[RTA_UID]);
- else
- fl6.flowi6_uid = (iif ? (uid_t) -1 : current_uid());
-
if (iif) {
struct net_device *dev;
int flags = 0;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 701d0656a40..a596f388339 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -243,7 +243,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
fl6.flowi6_mark = ireq->ir_mark;
fl6.fl6_dport = inet_rsk(req)->rmt_port;
fl6.fl6_sport = inet_sk(sk)->inet_sport;
- fl6.flowi6_uid = sock_i_uid(sk);
security_req_classify_flow(req, flowi6_to_flowi(&fl6));
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c1310fc4d6c..57f152323b6 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -253,7 +253,6 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = usin->sin6_port;
fl6.fl6_sport = inet->inet_sport;
- fl6.flowi6_uid = sock_i_uid(sk);
opt = rcu_dereference_protected(np->opt, sock_owned_by_user(sk));
final_p = fl6_update_dst(&fl6, opt, &final);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 7de2ce1f299..5187bf51592 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1149,7 +1149,6 @@ do_udp_sendmsg:
fl6.flowi6_oif = np->sticky_pktinfo.ipi6_ifindex;
fl6.flowi6_mark = sk->sk_mark;
- fl6.flowi6_uid = sock_i_uid(sk);
if (msg->msg_controllen) {
opt = &opt_space;
--
2.23.0

501
devices/asus-z00t/kernel/0001-Revert-misc-uidstat-change-release-handler-for-stat-.patch Normal file
View File

@ -0,0 +1,501 @@
From 01129f192beb09cd31bef20320b10167c10b3a23 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Wed, 9 Oct 2019 21:04:14 -0400
Subject: [PATCH] Revert "misc: uidstat: change release handler for stat read
operation"
This reverts commit 0dcb3df744e01e8d6588f5eecfe6a510c4ce95d6.
Revert "misc: uidstat: Remove use of obsolete create_proc_read_entry api"
This reverts commit 6908fe248fc3e976363807985478871106b22a19.
Revert "net: activity_stats: Stop using obsolete create_proc_read_entry api"
This reverts commit 4af1c50c2b8d5cb96ee803cc8c8d969708130509.
Revert "misc: uidstat: avoid create_stat() race and blockage."
This reverts commit 760017d10ac80defe7fa9ad12aebf36ced5f3119.
Revert "net: activity_stats: Add statistics for network transmission activity"
This reverts commit 1f65785d2b92ccad4ebab8f0b39c9e232d76946f.
Revert "misc: uidstat: Adding uid stat driver to collect network statistics."
This reverts commit 5a5f2f9219cf1df0cbd14542c5c709e34653d7f9.
---
drivers/misc/Kconfig | 4 -
drivers/misc/Makefile | 1 -
drivers/misc/uid_stat.c | 152 -----------------------------------
include/linux/uid_stat.h | 29 -------
include/net/activity_stats.h | 25 ------
net/Kconfig | 8 --
net/Makefile | 1 -
net/activity_stats.c | 119 ---------------------------
net/ipv4/tcp.c | 10 ---
9 files changed, 349 deletions(-)
delete mode 100644 drivers/misc/uid_stat.c
delete mode 100644 include/linux/uid_stat.h
delete mode 100644 include/net/activity_stats.h
delete mode 100644 net/activity_stats.c
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index f159fff09bf..803b65906ca 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -434,10 +434,6 @@ config TI_DAC7512
This driver can also be built as a module. If so, the module
will be called ti_dac7512.
-config UID_STAT
- bool "UID based statistics tracking exported to /proc/uid_stat"
- default n
-
config VMWARE_BALLOON
tristate "VMware Balloon Driver"
depends on X86 && HYPERVISOR_GUEST
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index a53a897faab..e4d3c0346a0 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -38,7 +38,6 @@ obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o
obj-$(CONFIG_EP93XX_PWM) += ep93xx_pwm.o
obj-$(CONFIG_DS1682) += ds1682.o
obj-$(CONFIG_TI_DAC7512) += ti_dac7512.o
-obj-$(CONFIG_UID_STAT) += uid_stat.o
obj-$(CONFIG_C2PORT) += c2port/
obj-$(CONFIG_HMC6352) += hmc6352.o
obj-y += eeprom/
diff --git a/drivers/misc/uid_stat.c b/drivers/misc/uid_stat.c
deleted file mode 100644
index 27b516b8a90..00000000000
--- a/drivers/misc/uid_stat.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/* drivers/misc/uid_stat.c
- *
- * Copyright (C) 2008 - 2009 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <asm/atomic.h>
-
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/stat.h>
-#include <linux/uid_stat.h>
-#include <net/activity_stats.h>
-
-static DEFINE_SPINLOCK(uid_lock);
-static LIST_HEAD(uid_list);
-static struct proc_dir_entry *parent;
-
-struct uid_stat {
- struct list_head link;
- uid_t uid;
- atomic_t tcp_rcv;
- atomic_t tcp_snd;
-};
-
-static struct uid_stat *find_uid_stat(uid_t uid) {
- struct uid_stat *entry;
-
- list_for_each_entry(entry, &uid_list, link) {
- if (entry->uid == uid) {
- return entry;
- }
- }
- return NULL;
-}
-
-static int uid_stat_atomic_int_show(struct seq_file *m, void *v)
-{
- unsigned int bytes;
- atomic_t *counter = m->private;
-
- bytes = (unsigned int) (atomic_read(counter) + INT_MIN);
- return seq_printf(m, "%u\n", bytes);
-}
-
-static int uid_stat_read_atomic_int_open(struct inode *inode, struct file *file)
-{
- return single_open(file, uid_stat_atomic_int_show, PDE_DATA(inode));
-}
-
-static const struct file_operations uid_stat_read_atomic_int_fops = {
- .open = uid_stat_read_atomic_int_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-/* Create a new entry for tracking the specified uid. */
-static struct uid_stat *create_stat(uid_t uid) {
- struct uid_stat *new_uid;
- /* Create the uid stat struct and append it to the list. */
- new_uid = kmalloc(sizeof(struct uid_stat), GFP_ATOMIC);
- if (!new_uid)
- return NULL;
-
- new_uid->uid = uid;
- /* Counters start at INT_MIN, so we can track 4GB of network traffic. */
- atomic_set(&new_uid->tcp_rcv, INT_MIN);
- atomic_set(&new_uid->tcp_snd, INT_MIN);
-
- list_add_tail(&new_uid->link, &uid_list);
- return new_uid;
-}
-
-static void create_stat_proc(struct uid_stat *new_uid)
-{
- char uid_s[32];
- struct proc_dir_entry *entry;
- sprintf(uid_s, "%d", new_uid->uid);
- entry = proc_mkdir(uid_s, parent);
-
- /* Keep reference to uid_stat so we know what uid to read stats from. */
- proc_create_data("tcp_snd", S_IRUGO, entry,
- &uid_stat_read_atomic_int_fops, &new_uid->tcp_snd);
-
- proc_create_data("tcp_rcv", S_IRUGO, entry,
- &uid_stat_read_atomic_int_fops, &new_uid->tcp_rcv);
-}
-
-static struct uid_stat *find_or_create_uid_stat(uid_t uid)
-{
- struct uid_stat *entry;
- unsigned long flags;
- spin_lock_irqsave(&uid_lock, flags);
- entry = find_uid_stat(uid);
- if (entry) {
- spin_unlock_irqrestore(&uid_lock, flags);
- return entry;
- }
- entry = create_stat(uid);
- spin_unlock_irqrestore(&uid_lock, flags);
- if (entry)
- create_stat_proc(entry);
- return entry;
-}
-
-int uid_stat_tcp_snd(uid_t uid, int size) {
- struct uid_stat *entry;
- activity_stats_update();
- entry = find_or_create_uid_stat(uid);
- if (!entry)
- return -1;
- atomic_add(size, &entry->tcp_snd);
- return 0;
-}
-
-int uid_stat_tcp_rcv(uid_t uid, int size) {
- struct uid_stat *entry;
- activity_stats_update();
- entry = find_or_create_uid_stat(uid);
- if (!entry)
- return -1;
- atomic_add(size, &entry->tcp_rcv);
- return 0;
-}
-
-static int __init uid_stat_init(void)
-{
- parent = proc_mkdir("uid_stat", NULL);
- if (!parent) {
- pr_err("uid_stat: failed to create proc entry\n");
- return -1;
- }
- return 0;
-}
-
-__initcall(uid_stat_init);
diff --git a/include/linux/uid_stat.h b/include/linux/uid_stat.h
deleted file mode 100644
index 6bd6c4e52d1..00000000000
--- a/include/linux/uid_stat.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* include/linux/uid_stat.h
- *
- * Copyright (C) 2008-2009 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __uid_stat_h
-#define __uid_stat_h
-
-/* Contains definitions for resource tracking per uid. */
-
-#ifdef CONFIG_UID_STAT
-int uid_stat_tcp_snd(uid_t uid, int size);
-int uid_stat_tcp_rcv(uid_t uid, int size);
-#else
-#define uid_stat_tcp_snd(uid, size) do {} while (0);
-#define uid_stat_tcp_rcv(uid, size) do {} while (0);
-#endif
-
-#endif /* _LINUX_UID_STAT_H */
diff --git a/include/net/activity_stats.h b/include/net/activity_stats.h
deleted file mode 100644
index 10e4c1506ee..00000000000
--- a/include/net/activity_stats.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2010 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Author: Mike Chan (mike@android.com)
- */
-
-#ifndef __activity_stats_h
-#define __activity_stats_h
-
-#ifdef CONFIG_NET_ACTIVITY_STATS
-void activity_stats_update(void);
-#else
-#define activity_stats_update(void) {}
-#endif
-
-#endif /* _NET_ACTIVITY_STATS_H */
diff --git a/net/Kconfig b/net/Kconfig
index b9d1e6929cd..77d7f381c0a 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -87,14 +87,6 @@ config ANDROID_PARANOID_NETWORK
help
none
-config NET_ACTIVITY_STATS
- bool "Network activity statistics tracking"
- default y
- help
- Network activity statistics are useful for tracking wireless
- modem activity on 2G, 3G, 4G wireless networks. Counts number of
- transmissions and groups them in specified time buckets.
-
config NETWORK_SECMARK
bool "Security Marking"
help
diff --git a/net/Makefile b/net/Makefile
index 7878913abba..27336ffefa7 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -70,6 +70,5 @@ obj-$(CONFIG_BATMAN_ADV) += batman-adv/
obj-$(CONFIG_NFC) += nfc/
obj-$(CONFIG_OPENVSWITCH) += openvswitch/
obj-$(CONFIG_VSOCKETS) += vmw_vsock/
-obj-$(CONFIG_NET_ACTIVITY_STATS) += activity_stats.o
obj-$(CONFIG_RMNET_DATA) += rmnet_data/
obj-$(CONFIG_IPC_ROUTER) += ipc_router/
diff --git a/net/activity_stats.c b/net/activity_stats.c
deleted file mode 100644
index 4609ce2043e..00000000000
--- a/net/activity_stats.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* net/activity_stats.c
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Author: Mike Chan (mike@android.com)
- */
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/suspend.h>
-#include <net/net_namespace.h>
-
-/*
- * Track transmission rates in buckets (power of 2).
- * 1,2,4,8...512 seconds.
- *
- * Buckets represent the count of network transmissions at least
- * N seconds apart, where N is 1 << bucket index.
- */
-#define BUCKET_MAX 10
-
-/* Track network activity frequency */
-static unsigned long activity_stats[BUCKET_MAX];
-static ktime_t last_transmit;
-static ktime_t suspend_time;
-static DEFINE_SPINLOCK(activity_lock);
-
-void activity_stats_update(void)
-{
- int i;
- unsigned long flags;
- ktime_t now;
- s64 delta;
-
- spin_lock_irqsave(&activity_lock, flags);
- now = ktime_get();
- delta = ktime_to_ns(ktime_sub(now, last_transmit));
-
- for (i = BUCKET_MAX - 1; i >= 0; i--) {
- /*
- * Check if the time delta between network activity is within the
- * minimum bucket range.
- */
- if (delta < (1000000000ULL << i))
- continue;
-
- activity_stats[i]++;
- last_transmit = now;
- break;
- }
- spin_unlock_irqrestore(&activity_lock, flags);
-}
-
-static int activity_stats_show(struct seq_file *m, void *v)
-{
- int i;
- int ret;
-
- seq_printf(m, "Min Bucket(sec) Count\n");
-
- for (i = 0; i < BUCKET_MAX; i++) {
- ret = seq_printf(m, "%15d %lu\n", 1 << i, activity_stats[i]);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static int activity_stats_notifier(struct notifier_block *nb,
- unsigned long event, void *dummy)
-{
- switch (event) {
- case PM_SUSPEND_PREPARE:
- suspend_time = ktime_get_real();
- break;
-
- case PM_POST_SUSPEND:
- suspend_time = ktime_sub(ktime_get_real(), suspend_time);
- last_transmit = ktime_sub(last_transmit, suspend_time);
- }
-
- return 0;
-}
-
-static int activity_stats_open(struct inode *inode, struct file *file)
-{
- return single_open(file, activity_stats_show, PDE_DATA(inode));
-}
-
-static const struct file_operations activity_stats_fops = {
- .open = activity_stats_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static struct notifier_block activity_stats_notifier_block = {
- .notifier_call = activity_stats_notifier,
-};
-
-static int __init activity_stats_init(void)
-{
- proc_create("activity", S_IRUGO,
- init_net.proc_net_stat, &activity_stats_fops);
- return register_pm_notifier(&activity_stats_notifier_block);
-}
-
-subsys_initcall(activity_stats_init);
-
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0fe6968be03..8eb92820588 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -268,7 +268,6 @@
#include <linux/crypto.h>
#include <linux/time.h>
#include <linux/slab.h>
-#include <linux/uid_stat.h>
#include <net/icmp.h>
#include <net/inet_common.h>
@@ -1257,9 +1256,6 @@ out:
tcp_push(sk, flags, mss_now, tp->nonagle);
out_nopush:
release_sock(sk);
-
- if (copied + copied_syn)
- uid_stat_tcp_snd(current_uid(), copied + copied_syn);
return copied + copied_syn;
do_fault:
@@ -1567,7 +1563,6 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
if (copied > 0) {
tcp_recv_skb(sk, seq, &offset);
tcp_cleanup_rbuf(sk, copied);
- uid_stat_tcp_rcv(current_uid(), copied);
}
return copied;
}
@@ -1972,9 +1967,6 @@ skip_copy:
tcp_cleanup_rbuf(sk, copied);
release_sock(sk);
-
- if (copied > 0)
- uid_stat_tcp_rcv(current_uid(), copied);
return copied;
out:
@@ -1983,8 +1975,6 @@ out:
recv_urg:
err = tcp_recv_urg(sk, msg, len, flags);
- if (err > 0)
- uid_stat_tcp_rcv(current_uid(), err);
goto out;
recv_sndq:
--
2.23.0

80
devices/asus-z00t/kernel/0001-Revert-qmp-sphinx-Add-Qualcomm-Malware-Protection-ke.patch Normal file
View File

@ -0,0 +1,80 @@
From c6dd0ab43f56b292d1c20ffa0154d238f90444c0 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Wed, 9 Oct 2019 20:41:09 -0400
Subject: [PATCH] Revert "qmp: sphinx: Add Qualcomm Malware Protection kernel
instrumentation"
This reverts commit 3c77a990d0ce566b354b367824d1bf423617351c.
This breaks the kernel build in some situations, for a feature that is
undoubtedly useless to us, and already disabled.
---
fs/proc/base.c | 7 -------
net/socket.c | 5 -----
2 files changed, 12 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 77fd2d4226f..870abad7717 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -87,7 +87,6 @@
#include <linux/slab.h>
#include <linux/flex_array.h>
#include <linux/posix-timers.h>
-#include <linux/qmp_sphinx_instrumentation.h>
#ifdef CONFIG_HARDWALL
#include <asm/hardwall.h>
#endif
@@ -968,9 +967,6 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf,
goto out;
}
- qmp_sphinx_logk_oom_adjust_write(task->pid,
- task->cred->uid, oom_adj);
-
task_lock(task);
if (!task->mm) {
err = -EINVAL;
@@ -1103,9 +1099,6 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,
goto out;
}
- qmp_sphinx_logk_oom_adjust_write(task->pid,
- task->cred->uid, oom_score_adj);
-
task_lock(task);
if (!task->mm) {
err = -EINVAL;
diff --git a/net/socket.c b/net/socket.c
index 0e9f6dddb2a..a1cb73b83b0 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -88,7 +88,6 @@
#include <linux/magic.h>
#include <linux/slab.h>
#include <linux/xattr.h>
-#include <linux/qmp_sphinx_instrumentation.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
@@ -1793,8 +1792,6 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
struct iovec iov;
int fput_needed;
- qmp_sphinx_logk_sendto(fd, buff, len, flags, addr, addr_len);
-
if (len > INT_MAX)
len = INT_MAX;
if (unlikely(!access_ok(VERIFY_READ, buff, len)))
@@ -1856,8 +1853,6 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
int err, err2;
int fput_needed;
- qmp_sphinx_logk_recvfrom(fd, ubuf, size, flags, addr, addr_len);
-
if (size > INT_MAX)
size = INT_MAX;
if (unlikely(!access_ok(VERIFY_WRITE, ubuf, size)))
--
2.23.0

49
devices/asus-z00t/kernel/0001-asus-flash-Remove-hardcoded-IDs-for-USER_NS.patch Normal file
View File

@ -0,0 +1,49 @@
From 827c9118b1de82044cf7a370b96a676a0b49a03f Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Wed, 9 Oct 2019 22:00:42 -0400
Subject: [PATCH] asus-flash: Remove hardcoded IDs, for USER_NS
Big oof... this section of code is not good.
This makes the build work woth USER_NS.
---
.../msm/camera_v2/sensor/flash/msm_led_i2c_trigger.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_i2c_trigger.c b/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_i2c_trigger.c
index 3593d29b79f..7c84a057b93 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_i2c_trigger.c
+++ b/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_i2c_trigger.c
@@ -2247,14 +2247,10 @@ int msm_flash_i2c_probe(struct i2c_client *client,
#endif
/*For ASUS FLASH+++*/
proc_entry_flash = proc_create_data("driver/asus_flash", 0666, NULL, &asus_flash_proc_fops, dummy);
- proc_set_user(proc_entry_flash, 1000, 1000);
proc_entry_flash_second = proc_create_data("driver/asus_flash2", 0666, NULL, &asus_flash_second_proc_fops, dummy2);
- proc_set_user(proc_entry_flash_second, 1000, 1000);
if( is_ZD550KL() ){
proc_entry_flash_third = proc_create_data("driver/asus_flash3", 0666, NULL, &asus_flash_third_proc_fops, dummy3);
- proc_set_user(proc_entry_flash_third, 1000, 1000);
proc_entry_flash_fourth = proc_create_data("driver/asus_flash4", 0666, NULL, &asus_flash_fourth_proc_fops, dummy4);
- proc_set_user(proc_entry_flash_fourth, 1000, 1000);
}
/*For ASUS FLASH---*/
pr_info("%s:%d probe success\n", __func__, __LINE__);
@@ -2349,14 +2345,10 @@ int msm_flash_probe(struct platform_device *pdev,
/*For ASUS FLASH+++*/
proc_entry_flash = proc_create_data("driver/asus_flash", 0666, NULL, &asus_flash_proc_fops, dummy);
- proc_set_user(proc_entry_flash, 1000, 1000);
proc_entry_flash_second = proc_create_data("driver/asus_flash2", 0666, NULL, &asus_flash_second_proc_fops, dummy2);
- proc_set_user(proc_entry_flash_second, 1000, 1000);
if( is_ZD550KL() ){
proc_entry_flash_third = proc_create_data("driver/asus_flash3", 0666, NULL, &asus_flash_third_proc_fops, dummy3);
- proc_set_user(proc_entry_flash_third, 1000, 1000);
proc_entry_flash_fourth = proc_create_data("driver/asus_flash4", 0666, NULL, &asus_flash_fourth_proc_fops, dummy4);
- proc_set_user(proc_entry_flash_fourth, 1000, 1000);
}
/*For ASUS FLASH---*/
mutex_init(&flash_lock);
--
2.23.0

25
devices/asus-z00t/kernel/0001-netfilter-xt_IDLETIMER-make-compatible-with-USER_NS.patch Normal file
View File

@ -0,0 +1,25 @@
From a5ba367ef054aa7c24a778a4a535c34406e0be33 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Wed, 9 Oct 2019 21:23:29 -0400
Subject: [PATCH] netfilter: xt_IDLETIMER: make compatible with USER_NS
---
net/netfilter/xt_IDLETIMER.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index 94ce95e00cc..26f2279c391 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -365,7 +365,7 @@ static void reset_timer(const struct idletimer_tg_info *info,
read_lock_bh(&sk->sk_callback_lock);
if ((sk->sk_socket) && (sk->sk_socket->file) &&
(sk->sk_socket->file->f_cred))
- timer->uid = sk->sk_socket->file->f_cred->uid;
+ timer->uid = from_kuid_munged(current_user_ns(), sk->sk_socket->file->f_cred->uid);
read_unlock_bh(&sk->sk_callback_lock);
}
--
2.23.0

29
devices/asus-z00t/kernel/config.aarch64
View File

@ -117,11 +117,11 @@ CONFIG_SCHED_HMP=y
CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
CONFIG_IPC_NS=y
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
CONFIG_USER_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_UIDGID_CONVERTED=y
# CONFIG_UIDGID_STRICT_TYPE_CHECKS is not set
CONFIG_UIDGID_STRICT_TYPE_CHECKS=y
# CONFIG_SCHED_AUTOGROUP is not set
# CONFIG_SYSFS_DEPRECATED is not set
# CONFIG_RELAY is not set
@ -356,6 +356,7 @@ CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_BALANCE_ANON_FILE_RECLAIM=y
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_PROCESS_RECLAIM=y
CONFIG_VM_MAX_READAHEAD=128
# CONFIG_XEN is not set
CONFIG_FORCE_MAX_ZONEORDER=11
CONFIG_SECCOMP=y
@ -524,7 +525,6 @@ CONFIG_IPV6_SUBTREES=y
# CONFIG_IPV6_MROUTE is not set
# CONFIG_NETLABEL is not set
# CONFIG_ANDROID_PARANOID_NETWORK is not set
CONFIG_NET_ACTIVITY_STATS=y
CONFIG_NETWORK_SECMARK=y
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
CONFIG_NETFILTER=y
@ -647,10 +647,9 @@ CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
CONFIG_NETFILTER_XT_MATCH_POLICY=y
# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set
CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
CONFIG_NETFILTER_XT_MATCH_QTAGUID=y
# CONFIG_NETFILTER_XT_MATCH_QTAGUID is not set
CONFIG_NETFILTER_XT_MATCH_QUOTA=y
CONFIG_NETFILTER_XT_MATCH_QUOTA2=y
CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
# CONFIG_NETFILTER_XT_MATCH_QUOTA2 is not set
# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
# CONFIG_NETFILTER_XT_MATCH_REALM is not set
# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
@ -1031,7 +1030,6 @@ CONFIG_APDS9930=y
# CONFIG_HMC6352 is not set
# CONFIG_DS1682 is not set
# CONFIG_TI_DAC7512 is not set
CONFIG_UID_STAT=y
# CONFIG_BMP085_I2C is not set
# CONFIG_BMP085_SPI is not set
# CONFIG_PCH_PHUB is not set
@ -3379,11 +3377,6 @@ CONFIG_ZRAM=y
#
# Android
#
CONFIG_ANDROID=y
CONFIG_ANDROID_BINDER_IPC=y
# CONFIG_ANDROID_BINDER_IPC_32BIT is not set
CONFIG_ANDROID_BINDER_DEVICES="binder,hwbinder,vndbinder"
# CONFIG_ANDROID_BINDER_IPC_SELFTEST is not set
CONFIG_ASHMEM=y
# CONFIG_ANDROID_LOGGER is not set
CONFIG_ANDROID_TIMED_OUTPUT=y
@ -3709,6 +3702,14 @@ CONFIG_MEM_SHARE_QMI_SERVICE=y
# CONFIG_FIRMWARE_MEMMAP is not set
CONFIG_MSM_TZ_LOG=y
#
# Android
#
CONFIG_ANDROID=y
CONFIG_ANDROID_BINDER_IPC=y
CONFIG_ANDROID_BINDER_DEVICES="binder,hwbinder,vndbinder"
# CONFIG_ANDROID_BINDER_IPC_SELFTEST is not set
#
# Firmware Drivers
#
@ -3804,7 +3805,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_ECRYPT_FS is not set
CONFIG_SDCARD_FS=y
# CONFIG_SDCARD_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set

10
devices/asus-z00t/kernel/default.nix
View File

@ -15,12 +15,18 @@
src = fetchFromGitHub {
owner = "LineageOS";
repo = "android_kernel_asus_msm8916";
rev = "d56000991e7d90e3a75afd86fb2f3c779232ff29"; # lineage-15.1
sha256 = "079sm5z0ml0ijm866ga5mzwnix4wzvida0469vymbrh8mhz47p4r";
rev = "1a45c63742b8c3253a38c2ff97b672918c88d8df"; # lineage-15.1
sha256 = "02mfz3h5s3lvkdinglqmhm2hyfw4w0hqzzh1xla1i9wfc31ddbap";
};
patches = [
./0001-Porting-changes-found-in-LineageOS-android_kernel_cy.patch
./0001-Revert-qmp-sphinx-Add-Qualcomm-Malware-Protection-ke.patch
./0001-Revert-Handle-sk-being-NULL-in-UID-based-routing.patch
./0001-Revert-Grants-system-server-access-to-proc-pid-oom_a.patch
./0001-Revert-misc-uidstat-change-release-handler-for-stat-.patch
./0001-netfilter-xt_IDLETIMER-make-compatible-with-USER_NS.patch
./0001-asus-flash-Remove-hardcoded-IDs-for-USER_NS.patch
./01_more_precise_arch.patch
./01_fix_gcc6_errors.patch
./02_mdss_fb_refresh_rate.patch