Merge android-4.4.132 (46155cc) into msm-4.4

* refs/heads/tmp-46155cc
  Linux 4.4.132
  perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map()
  perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]
  perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver
  perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr
  perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_*
  tracing/uprobe_event: Fix strncpy corner case
  Revert "Bluetooth: btusb: Fix quirk for Atheros 1525/QCA6174"
  atm: zatm: Fix potential Spectre v1
  net: atm: Fix potential Spectre v1
  can: kvaser_usb: Increase correct stats counter in kvaser_usb_rx_can_msg()
  tracing: Fix regex_match_front() to not over compare the test string
  libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs
  rfkill: gpio: fix memory leak in probe error path
  xfrm_user: fix return value from xfrm_user_rcv_msg
  f2fs: fix a dead loop in f2fs_fiemap()
  bdi: Fix oops in wb_workfn()
  tcp: fix TCP_REPAIR_QUEUE bound checking
  perf: Remove superfluous allocation error check
  soreuseport: initialise timewait reuseport field
  dccp: initialize ireq->ir_mark
  net: fix uninit-value in __hw_addr_add_ex()
  net: initialize skb->peeked when cloning
  net: fix rtnh_ok()
  netlink: fix uninit-value in netlink_sendmsg
  crypto: af_alg - fix possible uninit-value in alg_bind()
  ipvs: fix rtnl_lock lockups caused by start_sync_thread
  usb: musb: host: fix potential NULL pointer dereference
  USB: serial: option: adding support for ublox R410M
  USB: serial: option: reimplement interface masking
  USB: Accept bulk endpoints with 1024-byte maxpacket
  USB: serial: visor: handle potential invalid device configuration
  test_firmware: fix setting old custom fw path back on exit, second try
  drm/vmwgfx: Fix a buffer object leak
  IB/mlx5: Use unlimited rate when static rate is not supported
  NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2
  RDMA/mlx5: Protect from shift operand overflow
  RDMA/ucma: Allow resolving address w/o specifying source address
  xfs: prevent creating negative-sized file via INSERT_RANGE
  Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro
  Input: leds - fix out of bound access
  tracepoint: Do not warn on ENOMEM
  ALSA: aloop: Add missing cable lock to ctl API callbacks
  ALSA: aloop: Mark paused device as inactive
  ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger()
  ALSA: pcm: Check PCM state at xfern compat ioctl
  USB: serial: option: Add support for Quectel EP06
  gpmi-nand: Handle ECC Errors in erased pages
  ath10k: rebuild crypto header in rx data frames
  ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode
  mac80211: Add RX flag to indicate ICV stripped
  mac80211: allow same PN for AMSDU sub-frames
  mac80211: allow not sending MIC up from driver for HW crypto
  percpu: include linux/sched.h for cond_resched()
  KVM: s390: Enable all facility bits that are known good for passthrough
  bpf: map_get_next_key to return first key on NULL
  perf/core: Fix the perf_cpu_time_max_percent check
  goldfish: pipe: ANDROID: mark local functions static
  Revert "goldfish: pipe: ANDROID: Allocate memory with GFP_KERNEL."
  UPSTREAM: ANDROID: binder: prevent transactions into own process.
  goldfish: pipe: ANDROID: Add DMA support
  UPSTREAM: f2fs: clear PageError on writepage - part 2
  UPSTREAM: f2fs: avoid fsync() failure caused by EAGAIN in writepage()
  ANDROID: build.config: enforce trace_printk check
  ANDROID: x86_64_cuttlefish_defconfig: Disable KPTI
  UPSTREAM: mac80211: ibss: Fix channel type enum in ieee80211_sta_join_ibss()
  UPSTREAM: mac80211: Fix clang warning about constant operand in logical operation
  UPSTREAM: nl80211: Fix enum type of variable in nl80211_put_sta_rate()
  UPSTREAM: sysfs: remove signedness from sysfs_get_dirent
  UPSTREAM: tracing: Use cpumask_available() to check if cpumask variable may be used
  BACKPORT: clocksource: Use GENMASK_ULL in definition of CLOCKSOURCE_MASK
  UPSTREAM: netpoll: Fix device name check in netpoll_setup()
  FROMLIST: staging: Fix sparse warnings in vsoc driver.
  FROMLIST: staging: vsoc: Fix a i386-randconfig warning.
  FROMLIST: staging: vsoc: Create wc kernel mapping for region shm.
  Revert "goldfish: pipe: ANDROID: remove a redundant target"
  goldfish: pipe: ANDROID: Replace writel with gf_write_ptr
  goldfish: pipe: ANDROID: Use dev_ logging instead of pr_
  goldfish: pipe: ANDROID: fix checkpatch warnings
  goldfish: pipe: ANDROID: Update module license

Conflicts:
	drivers/net/wireless/ath/ath10k/core.c
	drivers/net/wireless/ath/ath10k/core.h
	drivers/net/wireless/ath/ath10k/htt_rx.c

Change-Id: If2ede1dea6a07b3fd498724e83071fd547170e1c
[spathi@codeaurora.org: resolved compilation errors in ath10k
by rebuilding crypto header in rx data frames]
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>

10 files changed, 36 insertions, 28 deletions

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 3608fa1aec8a..0eb11b4ac4c7 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -102,7 +102,7 @@ static void *array_map_lookup_elem(struct bpf_map *map, void *key)
 static int array_map_get_next_key(struct bpf_map *map, void *key, void *next_key)
 {
 	struct bpf_array *array = container_of(map, struct bpf_array, map);
-	u32 index = *(u32 *)key;
+	u32 index = key ? *(u32 *)key : U32_MAX;
 	u32 *next = (u32 *)next_key;
 
 	if (index >= array->map.max_entries) {
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 34777b3746fa..a35abe048239 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -169,12 +169,15 @@ static int htab_map_get_next_key(struct bpf_map *map, void *key, void *next_key)
 	struct hlist_head *head;
 	struct htab_elem *l, *next_l;
 	u32 hash, key_size;
-	int i;
+	int i = 0;
 
 	WARN_ON_ONCE(!rcu_read_lock_held());
 
 	key_size = map->key_size;
 
+	if (!key)
+		goto find_first_elem;
+
 	hash = htab_map_hash(key, key_size);
 
 	head = select_bucket(htab, hash);
@@ -182,10 +185,8 @@ static int htab_map_get_next_key(struct bpf_map *map, void *key, void *next_key)
 	/* lookup the key */
 	l = lookup_elem_raw(head, hash, key, key_size);
 
-	if (!l) {
-		i = 0;
+	if (!l)
 		goto find_first_elem;
-	}
 
 	/* key was found, get next key in the same bucket */
 	next_l = hlist_entry_safe(rcu_dereference_raw(hlist_next_rcu(&l->hash_node)),
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index dc19b6e210e6..4b9bbfe764e8 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -390,14 +390,18 @@ static int map_get_next_key(union bpf_attr *attr)
 	if (IS_ERR(map))
 		return PTR_ERR(map);
 
-	err = -ENOMEM;
-	key = kmalloc(map->key_size, GFP_USER);
-	if (!key)
-		goto err_put;
-
-	err = -EFAULT;
-	if (copy_from_user(key, ukey, map->key_size) != 0)
-		goto free_key;
+	if (ukey) {
+		err = -ENOMEM;
+		key = kmalloc(map->key_size, GFP_USER);
+		if (!key)
+			goto err_put;
+
+		err = -EFAULT;
+		if (copy_from_user(key, ukey, map->key_size) != 0)
+			goto free_key;
+	} else {
+		key = NULL;
+	}
 
 	err = -ENOMEM;
 	next_key = kmalloc(map->key_size, GFP_USER);
diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c
index 9c418002b8c1..75f835d353db 100644
--- a/kernel/events/callchain.c
+++ b/kernel/events/callchain.c
@@ -107,14 +107,8 @@ int get_callchain_buffers(void)
 		goto exit;
 	}
 
-	if (count > 1) {
-		/* If the allocation failed, give up */
-		if (!callchain_cpus_entries)
-			err = -ENOMEM;
-		goto exit;
-	}
-
-	err = alloc_callchain_buffers();
+	if (count == 1)
+		err = alloc_callchain_buffers();
 exit:
 	if (err)
 		atomic_dec(&nr_callchain_events);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 5879a599e115..1a73b31b5fe7 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -237,7 +237,7 @@ int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
 				void __user *buffer, size_t *lenp,
 				loff_t *ppos)
 {
-	int ret = proc_dointvec(table, write, buffer, lenp, ppos);
+	int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
 
 	if (ret || !write)
 		return ret;
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 8c60a4eb4080..f4b9a369c8c3 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -14,6 +14,7 @@
 #include <linux/slab.h>
 #include <linux/circ_buf.h>
 #include <linux/poll.h>
+#include <linux/nospec.h>
 
 #include "internal.h"
 
@@ -781,8 +782,10 @@ perf_mmap_to_page(struct ring_buffer *rb, unsigned long pgoff)
 			return NULL;
 
 		/* AUX space */
-		if (pgoff >= rb->aux_pgoff)
-			return virt_to_page(rb->aux_pages[pgoff - rb->aux_pgoff]);
+		if (pgoff >= rb->aux_pgoff) {
+			int aux_pgoff = array_index_nospec(pgoff - rb->aux_pgoff, rb->aux_nr_pages);
+			return virt_to_page(rb->aux_pages[aux_pgoff]);
+		}
 	}
 
 	return __perf_mmap_to_page(rb, pgoff);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 9510d540b48e..05ebb4cac6b4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2739,13 +2739,14 @@ static void test_cpu_buff_start(struct trace_iterator *iter)
 	if (!(iter->iter_flags & TRACE_FILE_ANNOTATE))
 		return;
 
-	if (iter->started && cpumask_test_cpu(iter->cpu, iter->started))
+	if (cpumask_available(iter->started) &&
+	    cpumask_test_cpu(iter->cpu, iter->started))
 		return;
 
 	if (per_cpu_ptr(iter->trace_buffer->data, iter->cpu)->skipped_entries)
 		return;
 
-	if (iter->started)
+	if (cpumask_available(iter->started))
 		cpumask_set_cpu(iter->cpu, iter->started);
 
 	/* Don't print started cpu buffer for the first entry of the trace */
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index f0e5408499b6..1ab2db6c127b 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -322,6 +322,9 @@ static int regex_match_full(char *str, struct regex *r, int len)
 
 static int regex_match_front(char *str, struct regex *r, int len)
 {
+	if (len < r->len)
+		return 0;
+
 	if (strncmp(str, r->pattern, r->len) == 0)
 		return 1;
 	return 0;
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 23515a716748..64304388993e 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -149,6 +149,8 @@ static void FETCH_FUNC_NAME(memory, string)(struct pt_regs *regs,
 		return;
 
 	ret = strncpy_from_user(dst, src, maxlen);
+	if (ret == maxlen)
+		dst[--ret] = '\0';
 
 	if (ret < 0) {	/* Failed to fetch string */
 		((u8 *)get_rloc_data(dest))[0] = '\0';
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index ecd536de603a..eda85bbf1c2e 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -202,7 +202,7 @@ static int tracepoint_add_func(struct tracepoint *tp,
 			lockdep_is_held(&tracepoints_mutex));
 	old = func_add(&tp_funcs, func, prio);
 	if (IS_ERR(old)) {
-		WARN_ON_ONCE(1);
+		WARN_ON_ONCE(PTR_ERR(old) != -ENOMEM);
 		return PTR_ERR(old);
 	}
 
@@ -235,7 +235,7 @@ static int tracepoint_remove_func(struct tracepoint *tp,
 			lockdep_is_held(&tracepoints_mutex));
 	old = func_remove(&tp_funcs, func);
 	if (IS_ERR(old)) {
-		WARN_ON_ONCE(1);
+		WARN_ON_ONCE(PTR_ERR(old) != -ENOMEM);
 		return PTR_ERR(old);
 	}