Merge 4.9.152 into android-4.9
Changes in 4.9.152
tty/ldsem: Wake up readers after timed out down_write()
tty: Hold tty_ldisc_lock() during tty_reopen()
tty: Simplify tty->count math in tty_reopen()
tty: Don't hold ldisc lock in tty_reopen() if ldisc present
can: gw: ensure DLC boundaries after CAN frame modification
Revert "f2fs: do not recover from previous remained wrong dnodes"
media: em28xx: Fix misplaced reset of dev->v4l::field_count
proc: Remove empty line in /proc/self/status
Revert "scsi: target: iscsi: cxgbit: fix csk leak"
scsi: target: iscsi: cxgbit: fix csk leak
arm64/kvm: consistently handle host HCR_EL2 flags
arm64: Don't trap host pointer auth use to EL2
ipv6: fix kernel-infoleak in ipv6_local_error()
net: bridge: fix a bug on using a neighbour cache entry without checking its state
packet: Do not leak dev refcounts on error exit
bonding: update nest level on unlink
ip: on queued skb use skb_header_pointer instead of pskb_may_pull
crypto: caam - fix zero-length buffer DMA mapping
crypto: authencesn - Avoid twice completion call in decrypt path
crypto: authenc - fix parsing key with misaligned rta_len
btrfs: wait on ordered extents on abort cleanup
Yama: Check for pid death before checking ancestry
scsi: core: Synchronize request queue PM status only on successful resume
scsi: sd: Fix cache_type_store()
crypto: talitos - reorder code in talitos_edesc_alloc()
crypto: talitos - fix ablkcipher for CONFIG_VMAP_STACK
mips: fix n32 compat_ipc_parse_version
mfd: tps6586x: Handle interrupts on suspend
arm64: kaslr: ensure randomized quantities are clean to the PoC
Disable MSI also when pcie-octeon.pcie_disable on
omap2fb: Fix stack memory disclosure
media: vivid: fix error handling of kthread_run
media: vivid: set min width/height to a value > 0
LSM: Check for NULL cred-security on free
media: vb2: vb2_mmap: move lock up
sunrpc: handle ENOMEM in rpcb_getport_async
netfilter: ebtables: account ebt_table_info to kmemcg
selinux: fix GPF on invalid policy
blockdev: Fix livelocks on loop device
sctp: allocate sctp_sockaddr_entry with kzalloc
tipc: fix uninit-value in tipc_nl_compat_link_reset_stats
tipc: fix uninit-value in tipc_nl_compat_bearer_enable
tipc: fix uninit-value in tipc_nl_compat_link_set
tipc: fix uninit-value in tipc_nl_compat_name_table_dump
tipc: fix uninit-value in tipc_nl_compat_doit
block/loop: Use global lock for ioctl() operation.
loop: Fold __loop_release into loop_release
loop: Get rid of loop_index_mutex
loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock
mm, memcg: fix reclaim deadlock with writeback
media: vb2: be sure to unlock mutex on errors
nbd: set the logical and physical blocksize properly
nbd: Use set_blocksize() to set device blocksize
Linux 4.9.152
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/Makefile b/Makefile
index 569cf6f..577c6e5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 151
+SUBLEVEL = 152
EXTRAVERSION =
NAME = Roaring Lionus
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 68dedca..a11c8c2 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -23,6 +23,8 @@
#include <asm/types.h>
/* Hyp Configuration Register (HCR) bits */
+#define HCR_API (UL(1) << 41)
+#define HCR_APK (UL(1) << 40)
#define HCR_E2H (UL(1) << 34)
#define HCR_ID (UL(1) << 33)
#define HCR_CD (UL(1) << 32)
@@ -82,6 +84,7 @@
HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW)
#define HCR_VIRT_EXCP_MASK (HCR_VSE | HCR_VI | HCR_VF)
#define HCR_INT_OVERRIDE (HCR_FMO | HCR_IMO)
+#define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK)
#define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H)
/* TCR_EL2 Registers bits */
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index d479185..0c721bd 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -518,10 +518,9 @@
#endif
/* Hyp configuration. */
- mov x0, #HCR_RW // 64-bit EL1
+ mov_q x0, HCR_HOST_NVHE_FLAGS
cbz x2, set_hcr
- orr x0, x0, #HCR_TGE // Enable Host Extensions
- orr x0, x0, #HCR_E2H
+ mov_q x0, HCR_HOST_VHE_FLAGS
set_hcr:
msr hcr_el2, x0
isb
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
index d7e90d9..2a21318 100644
--- a/arch/arm64/kernel/kaslr.c
+++ b/arch/arm64/kernel/kaslr.c
@@ -14,6 +14,7 @@
#include <linux/sched.h>
#include <linux/types.h>
+#include <asm/cacheflush.h>
#include <asm/fixmap.h>
#include <asm/kernel-pgtable.h>
#include <asm/memory.h>
@@ -43,7 +44,7 @@
return ret;
}
-static __init const u8 *get_cmdline(void *fdt)
+static __init const u8 *kaslr_get_cmdline(void *fdt)
{
static __initconst const u8 default_cmdline[] = CONFIG_CMDLINE;
@@ -109,7 +110,7 @@
* Check if 'nokaslr' appears on the command line, and
* return 0 if that is the case.
*/
- cmdline = get_cmdline(fdt);
+ cmdline = kaslr_get_cmdline(fdt);
str = strstr(cmdline, "nokaslr");
if (str == cmdline || (str > cmdline && *(str - 1) == ' '))
return 0;
@@ -178,5 +179,8 @@
module_alloc_base += (module_range * (seed & ((1 << 21) - 1))) >> 21;
module_alloc_base &= PAGE_MASK;
+ __flush_dcache_area(&module_alloc_base, sizeof(module_alloc_base));
+ __flush_dcache_area(&memstart_offset_seed, sizeof(memstart_offset_seed));
+
return offset;
}
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index 12f9d1e..115b095 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -112,7 +112,7 @@
static void __hyp_text __deactivate_traps_nvhe(void)
{
- write_sysreg(HCR_RW, hcr_el2);
+ write_sysreg(HCR_HOST_NVHE_FLAGS, hcr_el2);
write_sysreg(CPTR_EL2_DEFAULT, cptr_el2);
}
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 34fbbf8..1d98706 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -3135,6 +3135,7 @@
config MIPS32_N32
bool "Kernel support for n32 binaries"
depends on 64BIT
+ select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select COMPAT
select MIPS32_COMPAT
select SYSVIPC_COMPAT if SYSVIPC
diff --git a/arch/mips/pci/msi-octeon.c b/arch/mips/pci/msi-octeon.c
index 2a5bb84..288b58b 100644
--- a/arch/mips/pci/msi-octeon.c
+++ b/arch/mips/pci/msi-octeon.c
@@ -369,7 +369,9 @@
int irq;
struct irq_chip *msi;
- if (octeon_dma_bar_type == OCTEON_DMA_BAR_TYPE_PCIE) {
+ if (octeon_dma_bar_type == OCTEON_DMA_BAR_TYPE_INVALID) {
+ return 0;
+ } else if (octeon_dma_bar_type == OCTEON_DMA_BAR_TYPE_PCIE) {
msi_rcv_reg[0] = CVMX_PEXP_NPEI_MSI_RCV0;
msi_rcv_reg[1] = CVMX_PEXP_NPEI_MSI_RCV1;
msi_rcv_reg[2] = CVMX_PEXP_NPEI_MSI_RCV2;
diff --git a/crypto/authenc.c b/crypto/authenc.c
index c3180eb..6bfec69 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -58,14 +58,22 @@
return -EINVAL;
if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
return -EINVAL;
- if (RTA_PAYLOAD(rta) < sizeof(*param))
+
+ /*
+ * RTA_OK() didn't align the rtattr's payload when validating that it
+ * fits in the buffer. Yet, the keys should start on the next 4-byte
+ * aligned boundary. To avoid confusion, require that the rtattr
+ * payload be exactly the param struct, which has a 4-byte aligned size.
+ */
+ if (RTA_PAYLOAD(rta) != sizeof(*param))
return -EINVAL;
+ BUILD_BUG_ON(sizeof(*param) % RTA_ALIGNTO);
param = RTA_DATA(rta);
keys->enckeylen = be32_to_cpu(param->enckeylen);
- key += RTA_ALIGN(rta->rta_len);
- keylen -= RTA_ALIGN(rta->rta_len);
+ key += rta->rta_len;
+ keylen -= rta->rta_len;
if (keylen < keys->enckeylen)
return -EINVAL;
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 49e7e85..73b12f1 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -279,7 +279,7 @@
struct aead_request *req = areq->data;
err = err ?: crypto_authenc_esn_decrypt_tail(req, 0);
- aead_request_complete(req, err);
+ authenc_esn_request_complete(req, err);
}
static int crypto_authenc_esn_decrypt(struct aead_request *req)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index b3e432a..7344537 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -81,7 +81,7 @@
#include <asm/uaccess.h>
static DEFINE_IDR(loop_index_idr);
-static DEFINE_MUTEX(loop_index_mutex);
+static DEFINE_MUTEX(loop_ctl_mutex);
static int max_part;
static int part_shift;
@@ -1033,7 +1033,7 @@
*/
if (atomic_read(&lo->lo_refcnt) > 1) {
lo->lo_flags |= LO_FLAGS_AUTOCLEAR;
- mutex_unlock(&lo->lo_ctl_mutex);
+ mutex_unlock(&loop_ctl_mutex);
return 0;
}
@@ -1083,12 +1083,12 @@
if (!part_shift)
lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN;
loop_unprepare_queue(lo);
- mutex_unlock(&lo->lo_ctl_mutex);
+ mutex_unlock(&loop_ctl_mutex);
/*
- * Need not hold lo_ctl_mutex to fput backing file.
- * Calling fput holding lo_ctl_mutex triggers a circular
+ * Need not hold loop_ctl_mutex to fput backing file.
+ * Calling fput holding loop_ctl_mutex triggers a circular
* lock dependency possibility warning as fput can take
- * bd_mutex which is usually taken before lo_ctl_mutex.
+ * bd_mutex which is usually taken before loop_ctl_mutex.
*/
fput(filp);
return 0;
@@ -1401,7 +1401,7 @@
struct loop_device *lo = bdev->bd_disk->private_data;
int err;
- mutex_lock_nested(&lo->lo_ctl_mutex, 1);
+ mutex_lock_nested(&loop_ctl_mutex, 1);
switch (cmd) {
case LOOP_SET_FD:
err = loop_set_fd(lo, mode, bdev, arg);
@@ -1410,7 +1410,7 @@
err = loop_change_fd(lo, bdev, arg);
break;
case LOOP_CLR_FD:
- /* loop_clr_fd would have unlocked lo_ctl_mutex on success */
+ /* loop_clr_fd would have unlocked loop_ctl_mutex on success */
err = loop_clr_fd(lo);
if (!err)
goto out_unlocked;
@@ -1451,7 +1451,7 @@
default:
err = lo->ioctl ? lo->ioctl(lo, cmd, arg) : -EINVAL;
}
- mutex_unlock(&lo->lo_ctl_mutex);
+ mutex_unlock(&loop_ctl_mutex);
out_unlocked:
return err;
@@ -1584,16 +1584,16 @@
switch(cmd) {
case LOOP_SET_STATUS:
- mutex_lock(&lo->lo_ctl_mutex);
+ mutex_lock(&loop_ctl_mutex);
err = loop_set_status_compat(
lo, (const struct compat_loop_info __user *) arg);
- mutex_unlock(&lo->lo_ctl_mutex);
+ mutex_unlock(&loop_ctl_mutex);
break;
case LOOP_GET_STATUS:
- mutex_lock(&lo->lo_ctl_mutex);
+ mutex_lock(&loop_ctl_mutex);
err = loop_get_status_compat(
lo, (struct compat_loop_info __user *) arg);
- mutex_unlock(&lo->lo_ctl_mutex);
+ mutex_unlock(&loop_ctl_mutex);
break;
case LOOP_SET_CAPACITY:
case LOOP_CLR_FD:
@@ -1616,9 +1616,11 @@
static int lo_open(struct block_device *bdev, fmode_t mode)
{
struct loop_device *lo;
- int err = 0;
+ int err;
- mutex_lock(&loop_index_mutex);
+ err = mutex_lock_killable(&loop_ctl_mutex);
+ if (err)
+ return err;
lo = bdev->bd_disk->private_data;
if (!lo) {
err = -ENXIO;
@@ -1627,18 +1629,20 @@
atomic_inc(&lo->lo_refcnt);
out:
- mutex_unlock(&loop_index_mutex);
+ mutex_unlock(&loop_ctl_mutex);
return err;
}
-static void __lo_release(struct loop_device *lo)
+static void lo_release(struct gendisk *disk, fmode_t mode)
{
+ struct loop_device *lo;
int err;
+ mutex_lock(&loop_ctl_mutex);
+ lo = disk->private_data;
if (atomic_dec_return(&lo->lo_refcnt))
- return;
+ goto out_unlock;
- mutex_lock(&lo->lo_ctl_mutex);
if (lo->lo_flags & LO_FLAGS_AUTOCLEAR) {
/*
* In autoclear mode, stop the loop thread
@@ -1655,14 +1659,8 @@
loop_flush(lo);
}
- mutex_unlock(&lo->lo_ctl_mutex);
-}
-
-static void lo_release(struct gendisk *disk, fmode_t mode)
-{
- mutex_lock(&loop_index_mutex);
- __lo_release(disk->private_data);
- mutex_unlock(&loop_index_mutex);
+out_unlock:
+ mutex_unlock(&loop_ctl_mutex);
}
static const struct block_device_operations lo_fops = {
@@ -1701,10 +1699,10 @@
struct loop_device *lo = ptr;
struct loop_func_table *xfer = data;
- mutex_lock(&lo->lo_ctl_mutex);
+ mutex_lock(&loop_ctl_mutex);
if (lo->lo_encryption == xfer)
loop_release_xfer(lo);
- mutex_unlock(&lo->lo_ctl_mutex);
+ mutex_unlock(&loop_ctl_mutex);
return 0;
}
@@ -1871,7 +1869,6 @@
if (!part_shift)
disk->flags |= GENHD_FL_NO_PART_SCAN;
disk->flags |= GENHD_FL_EXT_DEVT;
- mutex_init(&lo->lo_ctl_mutex);
atomic_set(&lo->lo_refcnt, 0);
lo->lo_number = i;
spin_lock_init(&lo->lo_lock);
@@ -1950,7 +1947,7 @@
struct kobject *kobj;
int err;
- mutex_lock(&loop_index_mutex);
+ mutex_lock(&loop_ctl_mutex);
err = loop_lookup(&lo, MINOR(dev) >> part_shift);
if (err < 0)
err = loop_add(&lo, MINOR(dev) >> part_shift);
@@ -1958,7 +1955,7 @@
kobj = NULL;
else
kobj = get_disk(lo->lo_disk);
- mutex_unlock(&loop_index_mutex);
+ mutex_unlock(&loop_ctl_mutex);
*part = 0;
return kobj;
@@ -1968,9 +1965,13 @@
unsigned long parm)
{
struct loop_device *lo;
- int ret = -ENOSYS;
+ int ret;
- mutex_lock(&loop_index_mutex);
+ ret = mutex_lock_killable(&loop_ctl_mutex);
+ if (ret)
+ return ret;
+
+ ret = -ENOSYS;
switch (cmd) {
case LOOP_CTL_ADD:
ret = loop_lookup(&lo, parm);
@@ -1984,19 +1985,15 @@
ret = loop_lookup(&lo, parm);
if (ret < 0)
break;
- mutex_lock(&lo->lo_ctl_mutex);
if (lo->lo_state != Lo_unbound) {
ret = -EBUSY;
- mutex_unlock(&lo->lo_ctl_mutex);
break;
}
if (atomic_read(&lo->lo_refcnt) > 0) {
ret = -EBUSY;
- mutex_unlock(&lo->lo_ctl_mutex);
break;
}
lo->lo_disk->private_data = NULL;
- mutex_unlock(&lo->lo_ctl_mutex);
idr_remove(&loop_index_idr, lo->lo_number);
loop_remove(lo);
break;
@@ -2006,7 +2003,7 @@
break;
ret = loop_add(&lo, -1);
}
- mutex_unlock(&loop_index_mutex);
+ mutex_unlock(&loop_ctl_mutex);
return ret;
}
@@ -2089,10 +2086,10 @@
THIS_MODULE, loop_probe, NULL, NULL);
/* pre-create number of devices given by config or max_loop */
- mutex_lock(&loop_index_mutex);
+ mutex_lock(&loop_ctl_mutex);
for (i = 0; i < nr; i++)
loop_add(&lo, i);
- mutex_unlock(&loop_index_mutex);
+ mutex_unlock(&loop_ctl_mutex);
printk(KERN_INFO "loop: module loaded\n");
return 0;
diff --git a/drivers/block/loop.h b/drivers/block/loop.h
index 60f0fd2..a923e74 100644
--- a/drivers/block/loop.h
+++ b/drivers/block/loop.h
@@ -55,7 +55,6 @@
spinlock_t lo_lock;
int lo_state;
- struct mutex lo_ctl_mutex;
struct kthread_worker worker;
struct task_struct *worker_task;
bool use_dio;
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 42a5395..394f8ec 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -108,7 +108,7 @@
static int nbd_size_clear(struct nbd_device *nbd, struct block_device *bdev)
{
- bdev->bd_inode->i_size = 0;
+ bd_set_size(bdev, 0);
set_capacity(nbd->disk, 0);
kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE);
@@ -117,29 +117,21 @@
static void nbd_size_update(struct nbd_device *nbd, struct block_device *bdev)
{
- if (!nbd_is_connected(nbd))
- return;
-
- bdev->bd_inode->i_size = nbd->bytesize;
+ blk_queue_logical_block_size(nbd->disk->queue, nbd->blksize);
+ blk_queue_physical_block_size(nbd->disk->queue, nbd->blksize);
+ bd_set_size(bdev, nbd->bytesize);
+ set_blocksize(bdev, nbd->blksize);
set_capacity(nbd->disk, nbd->bytesize >> 9);
kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE);
}
-static int nbd_size_set(struct nbd_device *nbd, struct block_device *bdev,
+static void nbd_size_set(struct nbd_device *nbd, struct block_device *bdev,
loff_t blocksize, loff_t nr_blocks)
{
- int ret;
-
- ret = set_blocksize(bdev, blocksize);
- if (ret)
- return ret;
-
nbd->blksize = blocksize;
nbd->bytesize = blocksize * nr_blocks;
-
- nbd_size_update(nbd, bdev);
-
- return 0;
+ if (nbd_is_connected(nbd))
+ nbd_size_update(nbd, bdev);
}
static void nbd_end_request(struct nbd_cmd *cmd)
@@ -655,16 +647,17 @@
case NBD_SET_BLKSIZE: {
loff_t bsize = div_s64(nbd->bytesize, arg);
- return nbd_size_set(nbd, bdev, arg, bsize);
+ nbd_size_set(nbd, bdev, arg, bsize);
+ return 0;
}
case NBD_SET_SIZE:
- return nbd_size_set(nbd, bdev, nbd->blksize,
- div_s64(arg, nbd->blksize));
-
+ nbd_size_set(nbd, bdev, nbd->blksize,
+ div_s64(arg, nbd->blksize));
+ return 0;
case NBD_SET_SIZE_BLOCKS:
- return nbd_size_set(nbd, bdev, nbd->blksize, arg);
-
+ nbd_size_set(nbd, bdev, nbd->blksize, arg);
+ return 0;
case NBD_SET_TIMEOUT:
if (arg) {
nbd->tag_set.timeout = arg * HZ;
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 631337c..9eac4dc 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -1232,13 +1232,16 @@
desc = edesc->hw_desc;
- state->buf_dma = dma_map_single(jrdev, buf, buflen, DMA_TO_DEVICE);
- if (dma_mapping_error(jrdev, state->buf_dma)) {
- dev_err(jrdev, "unable to map src\n");
- goto unmap;
- }
+ if (buflen) {
+ state->buf_dma = dma_map_single(jrdev, buf, buflen,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(jrdev, state->buf_dma)) {
+ dev_err(jrdev, "unable to map src\n");
+ goto unmap;
+ }
- append_seq_in_ptr(desc, state->buf_dma, buflen, 0);
+ append_seq_in_ptr(desc, state->buf_dma, buflen, 0);
+ }
edesc->dst_dma = map_seq_out_ptr_result(desc, jrdev, req->result,
digestsize);
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 7c71722..463033b 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1347,23 +1347,18 @@
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
int max_len = is_sec1 ? TALITOS1_MAX_DATA_LEN : TALITOS2_MAX_DATA_LEN;
- void *err;
if (cryptlen + authsize > max_len) {
dev_err(dev, "length exceeds h/w max limit\n");
return ERR_PTR(-EINVAL);
}
- if (ivsize)
- iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE);
-
if (!dst || dst == src) {
src_len = assoclen + cryptlen + authsize;
src_nents = sg_nents_for_len(src, src_len);
if (src_nents < 0) {
dev_err(dev, "Invalid number of src SG.\n");
- err = ERR_PTR(-EINVAL);
- goto error_sg;
+ return ERR_PTR(-EINVAL);
}
src_nents = (src_nents == 1) ? 0 : src_nents;
dst_nents = dst ? src_nents : 0;
@@ -1373,16 +1368,14 @@
src_nents = sg_nents_for_len(src, src_len);
if (src_nents < 0) {
dev_err(dev, "Invalid number of src SG.\n");
- err = ERR_PTR(-EINVAL);
- goto error_sg;
+ return ERR_PTR(-EINVAL);
}
src_nents = (src_nents == 1) ? 0 : src_nents;
dst_len = assoclen + cryptlen + (encrypt ? authsize : 0);
dst_nents = sg_nents_for_len(dst, dst_len);
if (dst_nents < 0) {
dev_err(dev, "Invalid number of dst SG.\n");
- err = ERR_PTR(-EINVAL);
- goto error_sg;
+ return ERR_PTR(-EINVAL);
}
dst_nents = (dst_nents == 1) ? 0 : dst_nents;
}
@@ -1405,12 +1398,14 @@
dma_len = 0;
alloc_len += icv_stashing ? authsize : 0;
}
+ alloc_len += ivsize;
edesc = kmalloc(alloc_len, GFP_DMA | flags);
- if (!edesc) {
- dev_err(dev, "could not allocate edescriptor\n");
- err = ERR_PTR(-ENOMEM);
- goto error_sg;
+ if (!edesc)
+ return ERR_PTR(-ENOMEM);
+ if (ivsize) {
+ iv = memcpy(((u8 *)edesc) + alloc_len - ivsize, iv, ivsize);
+ iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE);
}
edesc->src_nents = src_nents;
@@ -1423,10 +1418,6 @@
DMA_BIDIRECTIONAL);
return edesc;
-error_sg:
- if (iv_dma)
- dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE);
- return err;
}
static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq, u8 *iv,
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 6a48d66..2e85e60 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1238,9 +1238,14 @@
struct drm_framebuffer *fb = fb_helper->fb;
int depth;
- if (var->pixclock != 0 || in_dbg_master())
+ if (in_dbg_master())
return -EINVAL;
+ if (var->pixclock != 0) {
+ DRM_DEBUG("fbdev emulation doesn't support changing the pixel clock, value of pixclock is ignored\n");
+ var->pixclock = 0;
+ }
+
/* Need to resize the fb object !!! */
if (var->bits_per_pixel > fb->bits_per_pixel ||
var->xres > fb->width || var->yres > fb->height ||
diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c
index 6ca71aa..d300e5e 100644
--- a/drivers/media/platform/vivid/vivid-kthread-cap.c
+++ b/drivers/media/platform/vivid/vivid-kthread-cap.c
@@ -877,8 +877,11 @@
"%s-vid-cap", dev->v4l2_dev.name);
if (IS_ERR(dev->kthread_vid_cap)) {
+ int err = PTR_ERR(dev->kthread_vid_cap);
+
+ dev->kthread_vid_cap = NULL;
v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n");
- return PTR_ERR(dev->kthread_vid_cap);
+ return err;
}
*pstreaming = true;
vivid_grab_controls(dev, true);
diff --git a/drivers/media/platform/vivid/vivid-kthread-out.c b/drivers/media/platform/vivid/vivid-kthread-out.c
index 98eed58..7c8d758 100644
--- a/drivers/media/platform/vivid/vivid-kthread-out.c
+++ b/drivers/media/platform/vivid/vivid-kthread-out.c
@@ -248,8 +248,11 @@
"%s-vid-out", dev->v4l2_dev.name);
if (IS_ERR(dev->kthread_vid_out)) {
+ int err = PTR_ERR(dev->kthread_vid_out);
+
+ dev->kthread_vid_out = NULL;
v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n");
- return PTR_ERR(dev->kthread_vid_out);
+ return err;
}
*pstreaming = true;
vivid_grab_controls(dev, true);
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index fcda3ae..f9a810e 100644
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -33,7 +33,7 @@
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 14000000, 775000000,
+ V4L2_INIT_BT_TIMINGS(16, MAX_WIDTH, 16, MAX_HEIGHT, 14000000, 775000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 1ed7ba3..ae959e0 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1062,6 +1062,8 @@
em28xx_videodbg("%s\n", __func__);
+ dev->v4l2->field_count = 0;
+
/* Make sure streaming is not already in progress for this type
of filehandle (e.g. video, vbi) */
rc = res_get(dev, vq->type);
@@ -1290,8 +1292,6 @@
{
struct em28xx *dev = priv;
- dev->v4l2->field_count = 0;
-
/*
* In the case of non-AC97 volume controls, we still need
* to do some setups at em28xx, in order to mute/unmute
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 4df4a1f..b1a4d4e 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1916,9 +1916,13 @@
return -EINVAL;
}
}
+
+ mutex_lock(&q->mmap_lock);
+
if (vb2_fileio_is_active(q)) {
dprintk(1, "mmap: file io in progress\n");
- return -EBUSY;
+ ret = -EBUSY;
+ goto unlock;
}
/*
@@ -1926,7 +1930,7 @@
*/
ret = __find_plane_by_offset(q, off, &buffer, &plane);
if (ret)
- return ret;
+ goto unlock;
vb = q->bufs[buffer];
@@ -1939,11 +1943,13 @@
if (length < (vma->vm_end - vma->vm_start)) {
dprintk(1,
"MMAP invalid, as it would overflow buffer length\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
- mutex_lock(&q->mmap_lock);
ret = call_memop(vb, mmap, vb->planes[plane].mem_priv, vma);
+
+unlock:
mutex_unlock(&q->mmap_lock);
if (ret)
return ret;
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 5628a6b..c5c320e 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -594,6 +594,29 @@
return 0;
}
+static int __maybe_unused tps6586x_i2c_suspend(struct device *dev)
+{
+ struct tps6586x *tps6586x = dev_get_drvdata(dev);
+
+ if (tps6586x->client->irq)
+ disable_irq(tps6586x->client->irq);
+
+ return 0;
+}
+
+static int __maybe_unused tps6586x_i2c_resume(struct device *dev)
+{
+ struct tps6586x *tps6586x = dev_get_drvdata(dev);
+
+ if (tps6586x->client->irq)
+ enable_irq(tps6586x->client->irq);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(tps6586x_pm_ops, tps6586x_i2c_suspend,
+ tps6586x_i2c_resume);
+
static const struct i2c_device_id tps6586x_id_table[] = {
{ "tps6586x", 0 },
{ },
@@ -604,6 +627,7 @@
.driver = {
.name = "tps6586x",
.of_match_table = of_match_ptr(tps6586x_of_match),
+ .pm = &tps6586x_pm_ops,
},
.probe = tps6586x_i2c_probe,
.remove = tps6586x_i2c_remove,
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 389d1db..24a3433 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1900,6 +1900,9 @@
if (!bond_has_slaves(bond)) {
bond_set_carrier(bond);
eth_hw_addr_random(bond_dev);
+ bond->nest_level = SINGLE_DEPTH_NESTING;
+ } else {
+ bond->nest_level = dev_get_nest_level(bond_dev) + 1;
}
unblock_netpoll_tx();
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index b44c1bb..ebc193f 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -79,8 +79,22 @@
if (err == 0) {
pm_runtime_disable(dev);
- pm_runtime_set_active(dev);
+ err = pm_runtime_set_active(dev);
pm_runtime_enable(dev);
+
+ /*
+ * Forcibly set runtime PM status of request queue to "active"
+ * to make sure we can again get requests from the queue
+ * (see also blk_pm_peek_request()).
+ *
+ * The resume hook will correct runtime PM status of the disk.
+ */
+ if (!err && scsi_is_sdev_device(dev)) {
+ struct scsi_device *sdev = to_scsi_device(dev);
+
+ if (sdev->request_queue->dev)
+ blk_set_runtime_active(sdev->request_queue);
+ }
}
return err;
@@ -139,16 +153,6 @@
else
fn = NULL;
- /*
- * Forcibly set runtime PM status of request queue to "active" to
- * make sure we can again get requests from the queue (see also
- * blk_pm_peek_request()).
- *
- * The resume hook will correct runtime PM status of the disk.
- */
- if (scsi_is_sdev_device(dev) && pm_runtime_suspended(dev))
- blk_set_runtime_active(to_scsi_device(dev)->request_queue);
-
if (fn) {
async_schedule_domain(fn, dev, &scsi_sd_pm_domain);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index ab999c4..867ae76f 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -208,6 +208,12 @@
sp = buffer_data[0] & 0x80 ? 1 : 0;
buffer_data[0] &= ~0x80;
+ /*
+ * Ensure WP, DPOFUA, and RESERVED fields are cleared in
+ * received mode parameter buffer before doing MODE SELECT.
+ */
+ data.device_specific = 0;
+
if (scsi_mode_select(sdp, 1, sp, 8, buffer_data, len, SD_TIMEOUT,
SD_MAX_RETRIES, &data, &sshdr)) {
if (scsi_sense_valid(&sshdr))
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index e6c4321..f61f865 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1475,7 +1475,8 @@
static int tty_reopen(struct tty_struct *tty)
{
struct tty_driver *driver = tty->driver;
- int retval;
+ struct tty_ldisc *ld;
+ int retval = 0;
if (driver->type == TTY_DRIVER_TYPE_PTY &&
driver->subtype == PTY_TYPE_MASTER)
@@ -1487,14 +1488,21 @@
if (test_bit(TTY_EXCLUSIVE, &tty->flags) && !capable(CAP_SYS_ADMIN))
return -EBUSY;
- tty->count++;
+ ld = tty_ldisc_ref_wait(tty);
+ if (ld) {
+ tty_ldisc_deref(ld);
+ } else {
+ retval = tty_ldisc_lock(tty, 5 * HZ);
+ if (retval)
+ return retval;
- if (tty->ldisc)
- return 0;
+ if (!tty->ldisc)
+ retval = tty_ldisc_reinit(tty, tty->termios.c_line);
+ tty_ldisc_unlock(tty);
+ }
- retval = tty_ldisc_reinit(tty, tty->termios.c_line);
- if (retval)
- tty->count--;
+ if (retval == 0)
+ tty->count++;
return retval;
}
diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 1bf8ed1..dbd7ba3 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -307,6 +307,16 @@
if (!locked)
ldsem_atomic_update(-LDSEM_WAIT_BIAS, sem);
list_del(&waiter.list);
+
+ /*
+ * In case of timeout, wake up every reader who gave the right of way
+ * to writer. Prevent separation readers into two groups:
+ * one that helds semaphore and another that sleeps.
+ * (in case of no contention with a writer)
+ */
+ if (!locked && list_empty(&sem->write_wait))
+ __ldsem_wake_readers(sem);
+
raw_spin_unlock_irq(&sem->wait_lock);
__set_task_state(tsk, TASK_RUNNING);
diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
index a3edb20..a846d32 100644
--- a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
@@ -609,6 +609,8 @@
int r = 0;
+ memset(&p, 0, sizeof(p));
+
switch (cmd) {
case OMAPFB_SYNC_GFX:
DBG("ioctl SYNC_GFX\n");
diff --git a/fs/block_dev.c b/fs/block_dev.c
index cb936c9..8a894cd 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -114,6 +114,20 @@
}
EXPORT_SYMBOL(invalidate_bdev);
+static void set_init_blocksize(struct block_device *bdev)
+{
+ unsigned bsize = bdev_logical_block_size(bdev);
+ loff_t size = i_size_read(bdev->bd_inode);
+
+ while (bsize < PAGE_SIZE) {
+ if (size & bsize)
+ break;
+ bsize <<= 1;
+ }
+ bdev->bd_block_size = bsize;
+ bdev->bd_inode->i_blkbits = blksize_bits(bsize);
+}
+
int set_blocksize(struct block_device *bdev, int size)
{
/* Size must be a power of two, and between 512 and PAGE_SIZE */
@@ -1209,18 +1223,9 @@
void bd_set_size(struct block_device *bdev, loff_t size)
{
- unsigned bsize = bdev_logical_block_size(bdev);
-
inode_lock(bdev->bd_inode);
i_size_write(bdev->bd_inode, size);
inode_unlock(bdev->bd_inode);
- while (bsize < PAGE_SIZE) {
- if (size & bsize)
- break;
- bsize <<= 1;
- }
- bdev->bd_block_size = bsize;
- bdev->bd_inode->i_blkbits = blksize_bits(bsize);
}
EXPORT_SYMBOL(bd_set_size);
@@ -1297,8 +1302,10 @@
}
}
- if (!ret)
+ if (!ret) {
bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
+ set_init_blocksize(bdev);
+ }
/*
* If the device is invalidated, rescan partition
@@ -1333,6 +1340,7 @@
goto out_clear;
}
bd_set_size(bdev, (loff_t)bdev->bd_part->nr_sects << 9);
+ set_init_blocksize(bdev);
}
} else {
if (bdev->bd_contains == bdev) {
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 77b3241..9d3352f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4193,6 +4193,14 @@
spin_lock(&fs_info->ordered_root_lock);
}
spin_unlock(&fs_info->ordered_root_lock);
+
+ /*
+ * We need this here because if we've been flipped read-only we won't
+ * get sync() from the umount, so we need to make sure any ordered
+ * extents that haven't had their dirty pages IO start writeout yet
+ * actually get run and error out properly.
+ */
+ btrfs_wait_ordered_roots(fs_info, -1, 0, (u64)-1);
}
static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 94f83e7..712b44c 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -346,8 +346,9 @@
{
#ifdef CONFIG_SECCOMP
seq_put_decimal_ull(m, "Seccomp:\t", p->seccomp.mode);
+ seq_putc(m, '\n');
#endif
- seq_printf(m, "\nSpeculation_Store_Bypass:\t");
+ seq_printf(m, "Speculation_Store_Bypass:\t");
switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) {
case -EINVAL:
seq_printf(m, "unknown");
diff --git a/mm/memory.c b/mm/memory.c
index f3fef1d..35d8217 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2823,6 +2823,28 @@
struct vm_fault vmf;
int ret;
+ /*
+ * Preallocate pte before we take page_lock because this might lead to
+ * deadlocks for memcg reclaim which waits for pages under writeback:
+ * lock_page(A)
+ * SetPageWriteback(A)
+ * unlock_page(A)
+ * lock_page(B)
+ * lock_page(B)
+ * pte_alloc_pne
+ * shrink_page_list
+ * wait_on_page_writeback(A)
+ * SetPageWriteback(B)
+ * unlock_page(B)
+ * # flush A, B to clear the writeback
+ */
+ if (pmd_none(*fe->pmd) && !fe->prealloc_pte) {
+ fe->prealloc_pte = pte_alloc_one(vma->vm_mm, fe->address);
+ if (!fe->prealloc_pte)
+ return VM_FAULT_OOM;
+ smp_wmb(); /* See comment in __pte_alloc() */
+ }
+
vmf.virtual_address = (void __user *)(fe->address & PAGE_MASK);
vmf.pgoff = pgoff;
vmf.flags = fe->flags;
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 82ce571..7e42c0d 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -275,7 +275,7 @@
struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
int ret;
- if (neigh->hh.hh_len) {
+ if ((neigh->nud_state & NUD_CONNECTED) && neigh->hh.hh_len) {
neigh_hh_bridge(&neigh->hh, skb);
skb->dev = nf_bridge->physindev;
ret = br_handle_frame_finish(net, sk, skb);
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 18c1f07..c7e5aaf 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1147,14 +1147,16 @@
tmp.name[sizeof(tmp.name) - 1] = 0;
countersize = COUNTER_OFFSET(tmp.nentries) * nr_cpu_ids;
- newinfo = vmalloc(sizeof(*newinfo) + countersize);
+ newinfo = __vmalloc(sizeof(*newinfo) + countersize, GFP_KERNEL_ACCOUNT,
+ PAGE_KERNEL);
if (!newinfo)
return -ENOMEM;
if (countersize)
memset(newinfo->counters, 0, countersize);
- newinfo->entries = vmalloc(tmp.entries_size);
+ newinfo->entries = __vmalloc(tmp.entries_size, GFP_KERNEL_ACCOUNT,
+ PAGE_KERNEL);
if (!newinfo->entries) {
ret = -ENOMEM;
goto free_newinfo;
diff --git a/net/can/gw.c b/net/can/gw.c
index 77c8af4..81650af 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -418,13 +418,29 @@
while (modidx < MAX_MODFUNCTIONS && gwj->mod.modfunc[modidx])
(*gwj->mod.modfunc[modidx++])(cf, &gwj->mod);
- /* check for checksum updates when the CAN frame has been modified */
+ /* Has the CAN frame been modified? */
if (modidx) {
- if (gwj->mod.csumfunc.crc8)
- (*gwj->mod.csumfunc.crc8)(cf, &gwj->mod.csum.crc8);
+ /* get available space for the processed CAN frame type */
+ int max_len = nskb->len - offsetof(struct can_frame, data);
- if (gwj->mod.csumfunc.xor)
+ /* dlc may have changed, make sure it fits to the CAN frame */
+ if (cf->can_dlc > max_len)
+ goto out_delete;
+
+ /* check for checksum updates in classic CAN length only */
+ if (gwj->mod.csumfunc.crc8) {
+ if (cf->can_dlc > 8)
+ goto out_delete;
+
+ (*gwj->mod.csumfunc.crc8)(cf, &gwj->mod.csum.crc8);
+ }
+
+ if (gwj->mod.csumfunc.xor) {
+ if (cf->can_dlc > 8)
+ goto out_delete;
+
(*gwj->mod.csumfunc.xor)(cf, &gwj->mod.csum.xor);
+ }
}
/* clear the skb timestamp if not configured the other way */
@@ -436,6 +452,14 @@
gwj->dropped_frames++;
else
gwj->handled_frames++;
+
+ return;
+
+ out_delete:
+ /* delete frame due to misconfiguration */
+ gwj->deleted_frames++;
+ kfree_skb(nskb);
+ return;
}
static inline int cgw_register_filter(struct cgw_job *gwj)
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index a5851c0..e39895e 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -133,19 +133,17 @@
static void ip_cmsg_recv_dstaddr(struct msghdr *msg, struct sk_buff *skb)
{
+ __be16 _ports[2], *ports;
struct sockaddr_in sin;
- __be16 *ports;
- int end;
-
- end = skb_transport_offset(skb) + 4;
- if (end > 0 && !pskb_may_pull(skb, end))
- return;
/* All current transport protocols have the port numbers in the
* first four bytes of the transport header and this function is
* written with this assumption in mind.
*/
- ports = (__be16 *)skb_transport_header(skb);
+ ports = skb_header_pointer(skb, skb_transport_offset(skb),
+ sizeof(_ports), &_ports);
+ if (!ports)
+ return;
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = ip_hdr(skb)->daddr;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 988b1c8..129b7a8 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -336,6 +336,7 @@
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
iph->daddr = fl6->daddr;
+ ip6_flow_hdr(iph, 0, 0);
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
@@ -695,17 +696,15 @@
}
if (np->rxopt.bits.rxorigdstaddr) {
struct sockaddr_in6 sin6;
- __be16 *ports;
- int end;
+ __be16 _ports[2], *ports;
- end = skb_transport_offset(skb) + 4;
- if (end <= 0 || pskb_may_pull(skb, end)) {
+ ports = skb_header_pointer(skb, skb_transport_offset(skb),
+ sizeof(_ports), &_ports);
+ if (ports) {
/* All current transport protocols have the port numbers in the
* first four bytes of the transport header and this function is
* written with this assumption in mind.
*/
- ports = (__be16 *)skb_transport_header(skb);
-
sin6.sin6_family = AF_INET6;
sin6.sin6_addr = ipv6_hdr(skb)->daddr;
sin6.sin6_port = ports[1];
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index a9d0358..82e222c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2663,7 +2663,7 @@
addr = saddr->sll_halen ? saddr->sll_addr : NULL;
dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
if (addr && dev && saddr->sll_halen < dev->addr_len)
- goto out;
+ goto out_put;
}
err = -ENXIO;
@@ -2862,7 +2862,7 @@
addr = saddr->sll_halen ? saddr->sll_addr : NULL;
dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex);
if (addr && dev && saddr->sll_halen < dev->addr_len)
- goto out;
+ goto out_unlock;
}
err = -ENXIO;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index e7866d4..31f461f 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -97,11 +97,9 @@
switch (ev) {
case NETDEV_UP:
- addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+ addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v6.sin6_family = AF_INET6;
- addr->a.v6.sin6_port = 0;
- addr->a.v6.sin6_flowinfo = 0;
addr->a.v6.sin6_addr = ifa->addr;
addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
addr->valid = 1;
@@ -413,7 +411,6 @@
addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v6.sin6_family = AF_INET6;
- addr->a.v6.sin6_port = 0;
addr->a.v6.sin6_addr = ifp->addr;
addr->a.v6.sin6_scope_id = dev->ifindex;
addr->valid = 1;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index fb7b763..8ea8217 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -151,7 +151,6 @@
addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v4.sin_family = AF_INET;
- addr->a.v4.sin_port = 0;
addr->a.v4.sin_addr.s_addr = ifa->ifa_local;
addr->valid = 1;
INIT_LIST_HEAD(&addr->list);
@@ -777,10 +776,9 @@
switch (ev) {
case NETDEV_UP:
- addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+ addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v4.sin_family = AF_INET;
- addr->a.v4.sin_port = 0;
addr->a.v4.sin_addr.s_addr = ifa->ifa_local;
addr->valid = 1;
spin_lock_bh(&net->sctp.local_addr_lock);
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 5b30603..eafc78e 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -770,6 +770,12 @@
case RPCBVERS_3:
map->r_netid = xprt->address_strings[RPC_DISPLAY_NETID];
map->r_addr = rpc_sockaddr2uaddr(sap, GFP_ATOMIC);
+ if (!map->r_addr) {
+ status = -ENOMEM;
+ dprintk("RPC: %5u %s: no memory available\n",
+ task->tk_pid, __func__);
+ goto bailout_free_args;
+ }
map->r_owner = "";
break;
case RPCBVERS_2:
@@ -792,6 +798,8 @@
rpc_put_task(child);
return;
+bailout_free_args:
+ kfree(map);
bailout_release_client:
rpc_release_client(rpcb_clnt);
bailout_nofree:
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index aedc476..d947b82 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -87,6 +87,11 @@
return limit;
}
+static inline int TLV_GET_DATA_LEN(struct tlv_desc *tlv)
+{
+ return TLV_GET_LEN(tlv) - TLV_SPACE(0);
+}
+
static int tipc_add_tlv(struct sk_buff *skb, u16 type, void *data, u16 len)
{
struct tlv_desc *tlv = (struct tlv_desc *)skb_tail_pointer(skb);
@@ -166,6 +171,11 @@
return buf;
}
+static inline bool string_is_valid(char *s, int len)
+{
+ return memchr(s, '\0', len) ? true : false;
+}
+
static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
struct tipc_nl_compat_msg *msg,
struct sk_buff *arg)
@@ -370,6 +380,7 @@
struct nlattr *prop;
struct nlattr *bearer;
struct tipc_bearer_config *b;
+ int len;
b = (struct tipc_bearer_config *)TLV_DATA(msg->req);
@@ -377,6 +388,10 @@
if (!bearer)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_BEARER_NAME);
+ if (!string_is_valid(b->name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, b->name))
return -EMSGSIZE;
@@ -402,6 +417,7 @@
{
char *name;
struct nlattr *bearer;
+ int len;
name = (char *)TLV_DATA(msg->req);
@@ -409,6 +425,10 @@
if (!bearer)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_BEARER_NAME);
+ if (!string_is_valid(name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, name))
return -EMSGSIZE;
@@ -469,6 +489,7 @@
struct nlattr *prop[TIPC_NLA_PROP_MAX + 1];
struct nlattr *stats[TIPC_NLA_STATS_MAX + 1];
int err;
+ int len;
if (!attrs[TIPC_NLA_LINK])
return -EINVAL;
@@ -495,6 +516,11 @@
return err;
name = (char *)TLV_DATA(msg->req);
+
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+ if (!string_is_valid(name, len))
+ return -EINVAL;
+
if (strcmp(name, nla_data(link[TIPC_NLA_LINK_NAME])) != 0)
return 0;
@@ -635,6 +661,7 @@
struct nlattr *prop;
struct nlattr *media;
struct tipc_link_config *lc;
+ int len;
lc = (struct tipc_link_config *)TLV_DATA(msg->req);
@@ -642,6 +669,10 @@
if (!media)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_MEDIA_NAME);
+ if (!string_is_valid(lc->name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_MEDIA_NAME, lc->name))
return -EMSGSIZE;
@@ -662,6 +693,7 @@
struct nlattr *prop;
struct nlattr *bearer;
struct tipc_link_config *lc;
+ int len;
lc = (struct tipc_link_config *)TLV_DATA(msg->req);
@@ -669,6 +701,10 @@
if (!bearer)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_MEDIA_NAME);
+ if (!string_is_valid(lc->name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, lc->name))
return -EMSGSIZE;
@@ -717,9 +753,14 @@
struct tipc_link_config *lc;
struct tipc_bearer *bearer;
struct tipc_media *media;
+ int len;
lc = (struct tipc_link_config *)TLV_DATA(msg->req);
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+ if (!string_is_valid(lc->name, len))
+ return -EINVAL;
+
media = tipc_media_find(lc->name);
if (media) {
cmd->doit = &tipc_nl_media_set;
@@ -741,6 +782,7 @@
{
char *name;
struct nlattr *link;
+ int len;
name = (char *)TLV_DATA(msg->req);
@@ -748,6 +790,10 @@
if (!link)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+ if (!string_is_valid(name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_LINK_NAME, name))
return -EMSGSIZE;
@@ -769,6 +815,8 @@
};
ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
+ if (TLV_GET_DATA_LEN(msg->req) < sizeof(struct tipc_name_table_query))
+ return -EINVAL;
depth = ntohl(ntq->depth);
@@ -1192,7 +1240,7 @@
}
len = nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN);
- if (len && !TLV_OK(msg.req, len)) {
+ if (!len || !TLV_OK(msg.req, len)) {
msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED);
err = -EOPNOTSUPP;
goto send;
diff --git a/security/security.c b/security/security.c
index 99890aa..de6ebf8 100644
--- a/security/security.c
+++ b/security/security.c
@@ -906,6 +906,13 @@
void security_cred_free(struct cred *cred)
{
+ /*
+ * There is a failure case in prepare_creds() that
+ * may result in a call here with ->security being NULL.
+ */
+ if (unlikely(cred->security == NULL))
+ return;
+
call_void_hook(cred_free, cred);
}
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 175e4dc..c483de5 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -726,7 +726,8 @@
kfree(key);
if (datum) {
levdatum = datum;
- ebitmap_destroy(&levdatum->level->cat);
+ if (levdatum->level)
+ ebitmap_destroy(&levdatum->level->cat);
kfree(levdatum->level);
}
kfree(datum);
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index 0309f21..5367f85 100644
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c
@@ -359,7 +359,9 @@
break;
case YAMA_SCOPE_RELATIONAL:
rcu_read_lock();
- if (!task_is_descendant(current, child) &&
+ if (!pid_alive(child))
+ rc = -EPERM;
+ if (!rc && !task_is_descendant(current, child) &&
!ptracer_exception_found(current, child) &&
!ns_capable(__task_cred(child)->user_ns, CAP_SYS_PTRACE))
rc = -EPERM;