| Commit message (Collapse) | Author | Age |
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This reverts commit c611d78437adeb9299d8be3f7be78b9c153152e5.
Remove helper function to return controller id.
Change-Id: Iadc085bf1dd9553c0805511f3cbafabdec8744f5
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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This reverts commit 039bcf340ea35f1e5c4a81f290455570097d7d62.
Add back helper APIs to return dcba dma address.
Change-Id: Ia65e98691d1a3c241694f07215c12605832f574d
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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This reverts commit 9c1d883952b8430994a302d10aab2bc8130bcd97.
Add back helper API to return dcba dma address.
Change-Id: I769c42d53f19bbefb65d491823911b39ec620751
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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* refs/heads/tmp-d5d6526
Linux 4.4.131
serial: mctrl_gpio: Add missing module license
serial: mctrl_gpio: export mctrl_gpio_disable_ms and mctrl_gpio_init
x86/smpboot: Don't use mwait_play_dead() on AMD systems
x86/ipc: Fix x32 version of shmid64_ds and msqid64_ds
libceph: validate con->state at the top of try_write()
ASoC: fsl_esai: Fix divisor calculation failure at lower ratio
ARM: amba: Don't read past the end of sysfs "driver_override" buffer
ARM: amba: Fix race condition with driver_override
ARM: amba: Make driver_override output consistent with other buses
scsi: sd: Defer spinning up drive while SANITIZE is in progress
kobject: don't use WARN for registration failures
mtd: cfi: cmdset_0002: Do not allow read/write to suspend erase block.
mtd: cfi: cmdset_0001: Workaround Micron Erase suspend bug.
mtd: cfi: cmdset_0001: Do not allow read/write to suspend erase block.
ALSA: hda/realtek - Add some fixes for ALC233
ALSA: hda: Hardening for potential Spectre v1
ALSA: seq: oss: Hardening for potential Spectre v1
ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device
ALSA: core: Report audio_tstamp in snd_pcm_sync_ptr
ALSA: control: Hardening for potential Spectre v1
ALSA: rme9652: Hardening for potential Spectre v1
ALSA: hdspm: Hardening for potential Spectre v1
ALSA: asihpi: Hardening for potential Spectre v1
ALSA: opl3: Hardening for potential Spectre v1
tty: Use __GFP_NOFAIL for tty_ldisc_get()
tty: n_gsm: Fix DLCI handling for ADM mode if debug & 2 is not set
tty: n_gsm: Fix long delays with control frame timeouts in ADM mode
tty: Don't call panic() at tty_ldisc_init()
drm/virtio: fix vq wait_event condition
virtio_console: free buffers after reset
virtio: add ability to iterate over vqs
ALSA: usb-audio: Skip broken EU on Dell dock USB-audio
USB: Increment wakeup count on remote wakeup.
usb: core: Add quirk for HP v222w 16GB Mini
USB: serial: cp210x: add ID for NI USB serial console
USB: serial: ftdi_sio: use jtag quirk for Arrow USB Blaster
USB: serial: simple: add libtransistor console
usbip: vhci_hcd: Fix usb device and sockfd leaks
usbip: usbip_host: fix to hold parent lock for device_attach() calls
ext4: fix bitmap position validation
ext4: add validity checks for bitmap block numbers
ext4: set h_journal if there is a failure starting a reserved handle
ext4: prevent right-shifting extents beyond EXT_MAX_BLOCKS
goldfish: pipe: ANDROID: Allocate memory with GFP_KERNEL.
goldfish: pipe: ANDROID: Do not crash
goldfish: pipe: ANDROID: remove redundant casting
goldfish: pipe: ANDROID: Add 'pipe' to pipe functions
goldfish: pipe: ANDROID: fix whitespace
goldfish: pipe: ANDROID: rename global variables
goldfish: pipe: ANDROID: remove a redundant target
goldfish: pipe: ANDROID: add blank lines
goldfish: pipe: ANDROID: replace 'BUG_ON' with 'BUILD_BUG_ON'
goldfish: pipe: ANDROID: use the 'BIT' macro for wakeup flags
goldfish: pipe: ANDROID: fix logging format strings
Linux 4.4.130
s390/uprobes: implement arch_uretprobe_is_alive()
s390/cio: update chpid descriptor after resource accessibility event
cdrom: information leak in cdrom_ioctl_media_changed()
scsi: mptsas: Disable WRITE SAME
ipv6: add RTA_TABLE and RTA_PREFSRC to rtm_ipv6_policy
net: af_packet: fix race in PACKET_{R|T}X_RING
tcp: md5: reject TCP_MD5SIG or TCP_MD5SIG_EXT on established sockets
net: fix deadlock while clearing neighbor proxy table
tipc: add policy for TIPC_NLA_NET_ADDR
llc: fix NULL pointer deref for SOCK_ZAPPED
llc: hold llc_sap before release_sock()
sctp: do not check port in sctp_inet6_cmp_addr
vlan: Fix reading memory beyond skb->tail in skb_vlan_tagged_multi
pppoe: check sockaddr length in pppoe_connect()
packet: fix bitfield update race
team: fix netconsole setup over team
team: avoid adding twice the same option to the event list
tcp: don't read out-of-bounds opsize
llc: delete timers synchronously in llc_sk_free()
net: validate attribute sizes in neigh_dump_table()
l2tp: check sockaddr length in pppol2tp_connect()
KEYS: DNS: limit the length of option strings
bonding: do not set slave_dev npinfo before slave_enable_netpoll in bond_enslave
s390: correct module section names for expoline code revert
s390: correct nospec auto detection init order
s390: add sysfs attributes for spectre
s390: report spectre mitigation via syslog
s390: add automatic detection of the spectre defense
s390: move nobp parameter functions to nospec-branch.c
s390/entry.S: fix spurious zeroing of r0
s390: do not bypass BPENTER for interrupt system calls
s390: Replace IS_ENABLED(EXPOLINE_*) with IS_ENABLED(CONFIG_EXPOLINE_*)
s390: introduce execute-trampolines for branches
s390: run user space and KVM guests with modified branch prediction
s390: add options to change branch prediction behaviour for the kernel
s390/alternative: use a copy of the facility bit mask
s390: add optimized array_index_mask_nospec
s390: scrub registers on kernel entry and KVM exit
KVM: s390: wire up bpb feature
s390: enable CPU alternatives unconditionally
s390: introduce CPU alternatives
Revert "ath10k: send (re)assoc peer command when NSS changed"
jbd2: fix use after free in kjournald2()
ath9k_hw: check if the chip failed to wake up
Input: drv260x - fix initializing overdrive voltage
r8152: add Linksys USB3GIGV1 id
staging: ion : Donnot wakeup kswapd in ion system alloc
perf: Return proper values for user stack errors
x86/tsc: Prevent 32bit truncation in calc_hpet_ref()
cifs: do not allow creating sockets except with SMB1 posix exensions
UPSTREAM: tracing: always define trace_{irq,preempt}_{enable_disable}
ANDROID: staging: ion: Obey kptr_restrict
ANDROID: sdcardfs: Set s_root to NULL after putting
ANDROID: sdcardfs: d_make_root calls iput
ANDROID: sdcardfs: Check for private data earlier
Conflicts:
drivers/staging/android/ion/ion.c
drivers/staging/android/ion/ion_cma_heap.c
drivers/staging/android/ion/ion_system_heap.c
Change-Id: I8155103b3787bb800f85291cc7378a8e29a8436f
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.131
ext4: prevent right-shifting extents beyond EXT_MAX_BLOCKS
ext4: set h_journal if there is a failure starting a reserved handle
ext4: add validity checks for bitmap block numbers
ext4: fix bitmap position validation
usbip: usbip_host: fix to hold parent lock for device_attach() calls
usbip: vhci_hcd: Fix usb device and sockfd leaks
USB: serial: simple: add libtransistor console
USB: serial: ftdi_sio: use jtag quirk for Arrow USB Blaster
USB: serial: cp210x: add ID for NI USB serial console
usb: core: Add quirk for HP v222w 16GB Mini
USB: Increment wakeup count on remote wakeup.
ALSA: usb-audio: Skip broken EU on Dell dock USB-audio
virtio: add ability to iterate over vqs
virtio_console: free buffers after reset
drm/virtio: fix vq wait_event condition
tty: Don't call panic() at tty_ldisc_init()
tty: n_gsm: Fix long delays with control frame timeouts in ADM mode
tty: n_gsm: Fix DLCI handling for ADM mode if debug & 2 is not set
tty: Use __GFP_NOFAIL for tty_ldisc_get()
ALSA: opl3: Hardening for potential Spectre v1
ALSA: asihpi: Hardening for potential Spectre v1
ALSA: hdspm: Hardening for potential Spectre v1
ALSA: rme9652: Hardening for potential Spectre v1
ALSA: control: Hardening for potential Spectre v1
ALSA: core: Report audio_tstamp in snd_pcm_sync_ptr
ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device
ALSA: seq: oss: Hardening for potential Spectre v1
ALSA: hda: Hardening for potential Spectre v1
ALSA: hda/realtek - Add some fixes for ALC233
mtd: cfi: cmdset_0001: Do not allow read/write to suspend erase block.
mtd: cfi: cmdset_0001: Workaround Micron Erase suspend bug.
mtd: cfi: cmdset_0002: Do not allow read/write to suspend erase block.
kobject: don't use WARN for registration failures
scsi: sd: Defer spinning up drive while SANITIZE is in progress
ARM: amba: Make driver_override output consistent with other buses
ARM: amba: Fix race condition with driver_override
ARM: amba: Don't read past the end of sysfs "driver_override" buffer
ASoC: fsl_esai: Fix divisor calculation failure at lower ratio
libceph: validate con->state at the top of try_write()
x86/ipc: Fix x32 version of shmid64_ds and msqid64_ds
x86/smpboot: Don't use mwait_play_dead() on AMD systems
serial: mctrl_gpio: export mctrl_gpio_disable_ms and mctrl_gpio_init
serial: mctrl_gpio: Add missing module license
Linux 4.4.131
Change-Id: I8be9780b3f588b6ca9499b2f31ee4be0dbc9ef77
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 6510bbc88e3258631831ade49033537081950605 upstream.
Currently it is possible to read and/or write to suspend EB's.
Writing /dev/mtdX or /dev/mtdblockX from several processes may
break the flash state machine.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 088e861edffb84879cf0c0d1b02eda078c3a0ffe upstream.
As recently Smatch suggested, a few places in ALSA control core codes
may expand the array directly from the user-space value with
speculation:
sound/core/control.c:1003 snd_ctl_elem_lock() warn: potential spectre issue 'kctl->vd'
sound/core/control.c:1031 snd_ctl_elem_unlock() warn: potential spectre issue 'kctl->vd'
sound/core/control.c:844 snd_ctl_elem_info() warn: potential spectre issue 'kctl->vd'
sound/core/control.c:891 snd_ctl_elem_read() warn: potential spectre issue 'kctl->vd'
sound/core/control.c:939 snd_ctl_elem_write() warn: potential spectre issue 'kctl->vd'
Although all these seem doing only the first load without further
reference, we may want to stay in a safer side, so hardening with
array_index_nospec() would still make sense.
In this patch, we put array_index_nospec() to the common
snd_ctl_get_ioff*() helpers instead of each caller. These helpers are
also referred from some drivers, too, and basically all usages are to
calculate the array index from the user-space value, hence it's better
to cover there.
BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 903f9db10f18f735e62ba447147b6c434b6af003 upstream.
syzbot is reporting kernel panic [1] triggered by memory allocation failure
at tty_ldisc_get() from tty_ldisc_init(). But since both tty_ldisc_get()
and caller of tty_ldisc_init() can cleanly handle errors, tty_ldisc_init()
does not need to call panic() when tty_ldisc_get() failed.
[1] https://syzkaller.appspot.com/bug?id=883431818e036ae6a9981156a64b821110f39187
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 24a7e4d20783c0514850f24a5c41ede46ab058f0 upstream.
For cleanup it's helpful to be able to simply scan all vqs and discard
all data. Add an iterator to do that.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.130
cifs: do not allow creating sockets except with SMB1 posix exensions
x86/tsc: Prevent 32bit truncation in calc_hpet_ref()
perf: Return proper values for user stack errors
staging: ion : Donnot wakeup kswapd in ion system alloc
r8152: add Linksys USB3GIGV1 id
Input: drv260x - fix initializing overdrive voltage
ath9k_hw: check if the chip failed to wake up
jbd2: fix use after free in kjournald2()
Revert "ath10k: send (re)assoc peer command when NSS changed"
s390: introduce CPU alternatives
s390: enable CPU alternatives unconditionally
KVM: s390: wire up bpb feature
s390: scrub registers on kernel entry and KVM exit
s390: add optimized array_index_mask_nospec
s390/alternative: use a copy of the facility bit mask
s390: add options to change branch prediction behaviour for the kernel
s390: run user space and KVM guests with modified branch prediction
s390: introduce execute-trampolines for branches
s390: Replace IS_ENABLED(EXPOLINE_*) with IS_ENABLED(CONFIG_EXPOLINE_*)
s390: do not bypass BPENTER for interrupt system calls
s390/entry.S: fix spurious zeroing of r0
s390: move nobp parameter functions to nospec-branch.c
s390: add automatic detection of the spectre defense
s390: report spectre mitigation via syslog
s390: add sysfs attributes for spectre
s390: correct nospec auto detection init order
s390: correct module section names for expoline code revert
bonding: do not set slave_dev npinfo before slave_enable_netpoll in bond_enslave
KEYS: DNS: limit the length of option strings
l2tp: check sockaddr length in pppol2tp_connect()
net: validate attribute sizes in neigh_dump_table()
llc: delete timers synchronously in llc_sk_free()
tcp: don't read out-of-bounds opsize
team: avoid adding twice the same option to the event list
team: fix netconsole setup over team
packet: fix bitfield update race
pppoe: check sockaddr length in pppoe_connect()
vlan: Fix reading memory beyond skb->tail in skb_vlan_tagged_multi
sctp: do not check port in sctp_inet6_cmp_addr
llc: hold llc_sap before release_sock()
llc: fix NULL pointer deref for SOCK_ZAPPED
tipc: add policy for TIPC_NLA_NET_ADDR
net: fix deadlock while clearing neighbor proxy table
tcp: md5: reject TCP_MD5SIG or TCP_MD5SIG_EXT on established sockets
net: af_packet: fix race in PACKET_{R|T}X_RING
ipv6: add RTA_TABLE and RTA_PREFSRC to rtm_ipv6_policy
scsi: mptsas: Disable WRITE SAME
cdrom: information leak in cdrom_ioctl_media_changed()
s390/cio: update chpid descriptor after resource accessibility event
s390/uprobes: implement arch_uretprobe_is_alive()
Linux 4.4.130
Change-Id: I58646180c70ac61da3e2a602085760881d914eb5
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 7ce2367254e84753bceb07327aaf5c953cfce117 ]
Syzkaller spotted an old bug which leads to reading skb beyond tail by 4
bytes on vlan tagged packets.
This is caused because skb_vlan_tagged_multi() did not check
skb_headlen.
BUG: KMSAN: uninit-value in eth_type_vlan include/linux/if_vlan.h:283 [inline]
BUG: KMSAN: uninit-value in skb_vlan_tagged_multi include/linux/if_vlan.h:656 [inline]
BUG: KMSAN: uninit-value in vlan_features_check include/linux/if_vlan.h:672 [inline]
BUG: KMSAN: uninit-value in dflt_features_check net/core/dev.c:2949 [inline]
BUG: KMSAN: uninit-value in netif_skb_features+0xd1b/0xdc0 net/core/dev.c:3009
CPU: 1 PID: 3582 Comm: syzkaller435149 Not tainted 4.16.0+ #82
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x185/0x1d0 lib/dump_stack.c:53
kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
__msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676
eth_type_vlan include/linux/if_vlan.h:283 [inline]
skb_vlan_tagged_multi include/linux/if_vlan.h:656 [inline]
vlan_features_check include/linux/if_vlan.h:672 [inline]
dflt_features_check net/core/dev.c:2949 [inline]
netif_skb_features+0xd1b/0xdc0 net/core/dev.c:3009
validate_xmit_skb+0x89/0x1320 net/core/dev.c:3084
__dev_queue_xmit+0x1cb2/0x2b60 net/core/dev.c:3549
dev_queue_xmit+0x4b/0x60 net/core/dev.c:3590
packet_snd net/packet/af_packet.c:2944 [inline]
packet_sendmsg+0x7c57/0x8a10 net/packet/af_packet.c:2969
sock_sendmsg_nosec net/socket.c:630 [inline]
sock_sendmsg net/socket.c:640 [inline]
sock_write_iter+0x3b9/0x470 net/socket.c:909
do_iter_readv_writev+0x7bb/0x970 include/linux/fs.h:1776
do_iter_write+0x30d/0xd40 fs/read_write.c:932
vfs_writev fs/read_write.c:977 [inline]
do_writev+0x3c9/0x830 fs/read_write.c:1012
SYSC_writev+0x9b/0xb0 fs/read_write.c:1085
SyS_writev+0x56/0x80 fs/read_write.c:1082
do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x43ffa9
RSP: 002b:00007fff2cff3948 EFLAGS: 00000217 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffa9
RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004018d0
R13: 0000000000401960 R14: 0000000000000000 R15: 0000000000000000
Uninit was created at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline]
kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:188
kmsan_kmalloc+0x94/0x100 mm/kmsan/kmsan.c:314
kmsan_slab_alloc+0x11/0x20 mm/kmsan/kmsan.c:321
slab_post_alloc_hook mm/slab.h:445 [inline]
slab_alloc_node mm/slub.c:2737 [inline]
__kmalloc_node_track_caller+0xaed/0x11c0 mm/slub.c:4369
__kmalloc_reserve net/core/skbuff.c:138 [inline]
__alloc_skb+0x2cf/0x9f0 net/core/skbuff.c:206
alloc_skb include/linux/skbuff.h:984 [inline]
alloc_skb_with_frags+0x1d4/0xb20 net/core/skbuff.c:5234
sock_alloc_send_pskb+0xb56/0x1190 net/core/sock.c:2085
packet_alloc_skb net/packet/af_packet.c:2803 [inline]
packet_snd net/packet/af_packet.c:2894 [inline]
packet_sendmsg+0x6444/0x8a10 net/packet/af_packet.c:2969
sock_sendmsg_nosec net/socket.c:630 [inline]
sock_sendmsg net/socket.c:640 [inline]
sock_write_iter+0x3b9/0x470 net/socket.c:909
do_iter_readv_writev+0x7bb/0x970 include/linux/fs.h:1776
do_iter_write+0x30d/0xd40 fs/read_write.c:932
vfs_writev fs/read_write.c:977 [inline]
do_writev+0x3c9/0x830 fs/read_write.c:1012
SYSC_writev+0x9b/0xb0 fs/read_write.c:1085
SyS_writev+0x56/0x80 fs/read_write.c:1082
do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Fixes: 58e998c6d239 ("offloading: Force software GSO for multiple vlan tags.")
Reported-and-tested-by: syzbot+0bbe42c764feafa82c5a@syzkaller.appspotmail.com
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b905ef9ab90115d001c1658259af4b1c65088779 ]
The connection timers of an llc sock could be still flying
after we delete them in llc_sk_free(), and even possibly
after we free the sock. We could just wait synchronously
here in case of troubles.
Note, I leave other call paths as they are, since they may
not have to wait, at least we can change them to synchronously
when needed.
Also, move the code to net/llc/llc_conn.c, which is apparently
a better place.
Reported-by: <syzbot+f922284c18ea23a8e457@syzkaller.appspotmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 35b3fde6203b932b2b1a5b53b3d8808abc9c4f60 ]
The new firmware interfaces for branch prediction behaviour changes
are transparently available for the guest. Nevertheless, there is
new state attached that should be migrated and properly resetted.
Provide a mechanism for handling reset, migration and VSIE.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[Changed capability number to 152. - Radim]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We get a build error in the irqsoff tracer in some configurations:
kernel/trace/trace_irqsoff.c: In function 'trace_preempt_on':
kernel/trace/trace_irqsoff.c:855:2: error: implicit declaration of function 'trace_preempt_enable_rcuidle'; did you mean 'trace_irq_enable_rcuidle'? [-Werror=implicit-function-declaration]
trace_preempt_enable_rcuidle(a0, a1);
The problem is that trace_preempt_enable_rcuidle() has different
definition based on multiple Kconfig symbols, but not all combinations
have a valid definition.
This changes the conditions so that we always get exactly one
definition of each of the four tracing macros. I have not tried
to verify that these definitions are sensible, but now we
can build all randconfig combinations again.
Link: http://lkml.kernel.org/r/20171019083230.2450779-1-arnd@arndb.de
Change-Id: I28715af208379e993df85c2fb35549290f4fbd6e
Fixes: d59158162e03 ("tracing: Add support for preempt and irq enable/disable events")
Acked-by: Joel Fernandes <joelaf@google.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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The patch adds new WLAN_RSN_INFO event as latest ID.
Change-Id: Ic76506632ea0aa61c79c52824556b6aaeb0b04e6
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
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This change will enable userspace to control adapter's output
voltage. Userspace can force adapter's output voltage to
5V/9V/12V.
Change-Id: I4a60a681c136df6864294dbd19849503a2be2e7b
Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>
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Update to latest diag IDs
Change-Id: I57a25f570484f2cd8255275015ca2c70294a78fb
Signed-off-by: Sreelakshmi Gownipalli <sgownipa@codeaurora.org>
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Patch series "indirectly reclaimable memory", v2.
This patchset introduces the concept of indirectly reclaimable memory
and applies it to fix the issue of when a big number of dentries with
external names can significantly affect the MemAvailable value.
This patch (of 3):
Introduce a concept of indirectly reclaimable memory and adds the
corresponding memory counter and /proc/vmstat item.
Indirectly reclaimable memory is any sort of memory, used by the kernel
(except of reclaimable slabs), which is actually reclaimable, i.e. will
be released under memory pressure.
The counter is in bytes, as it's not always possible to count such
objects in pages. The name contains BYTES by analogy to
NR_KERNEL_STACK_KB.
Link: http://lkml.kernel.org/r/20180305133743.12746-2-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-Commit: eb59254608bc1d42c4c6afdcdce9c0d3ce02b318
Git-Repo: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
Change-Id: Ie15abc33dcb13091e3acfa04dd55c664e1a24e70
Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>
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Enable AFE driver to request and release
LPASS DMA channel indices.
CRs-fixed: 2126719
Signed-off-by: Derek Chen <chenche@codeaurora.org>
Change-Id: Ic40bbf9aa7170d2c91cef45ddca7a86ccd27c4b0
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Add Sensor DSP framework support for Active
Engine Noise Cancellation (ANC).
CRs-fixed: 2153236
Signed-off-by: Derek Chen <chenche@codeaurora.org>
Change-Id: I4cd28ac1bbfd3fcd21174e0216c70cd664cfa319
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Add trace point to track IRQs disable callers to
isolate issues unrelated to scheduler and improve debug
turn around time.
Change-Id: Ib1ef45d8bed1fc0e128b5ab2051f0c30e8c50ee7
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
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Add trace point to track preemption disable callers to
isolate issues unrelated to scheduler and improve debug
turn around time.
Change-Id: If9303b7165167e8f79cd339929daf4afc31a61c4
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
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* refs/heads/tmp-b1c4836
Linux 4.4.129
writeback: safer lock nesting
fanotify: fix logic of events on child
ext4: bugfix for mmaped pages in mpage_release_unused_pages()
mm/filemap.c: fix NULL pointer in page_cache_tree_insert()
mm: allow GFP_{FS,IO} for page_cache_read page cache allocation
autofs: mount point create should honour passed in mode
Don't leak MNT_INTERNAL away from internal mounts
rpc_pipefs: fix double-dput()
hypfs_kill_super(): deal with failed allocations
jffs2_kill_sb(): deal with failed allocations
powerpc/lib: Fix off-by-one in alternate feature patching
powerpc/eeh: Fix enabling bridge MMIO windows
MIPS: memset.S: Fix clobber of v1 in last_fixup
MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup
MIPS: memset.S: EVA & fault support for small_memset
MIPS: uaccess: Add micromips clobbers to bzero invocation
HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device
ALSA: hda - New VIA controller suppor no-snoop path
ALSA: rawmidi: Fix missing input substream checks in compat ioctls
ALSA: line6: Use correct endpoint type for midi output
ext4: fix deadlock between inline_data and ext4_expand_extra_isize_ea()
ext4: fix crashes in dioread_nolock mode
drm/radeon: Fix PCIe lane width calculation
ext4: don't allow r/w mounts if metadata blocks overlap the superblock
vfio/pci: Virtualize Maximum Read Request Size
vfio/pci: Virtualize Maximum Payload Size
vfio-pci: Virtualize PCIe & AF FLR
ALSA: pcm: Fix endless loop for XRUN recovery in OSS emulation
ALSA: pcm: Fix mutex unbalance in OSS emulation ioctls
ALSA: pcm: Return -EBUSY for OSS ioctls changing busy streams
ALSA: pcm: Avoid potential races between OSS ioctls and read/write
ALSA: pcm: Use ERESTARTSYS instead of EINTR in OSS emulation
ALSA: oss: consolidate kmalloc/memset 0 call to kzalloc
watchdog: f71808e_wdt: Fix WD_EN register read
thermal: imx: Fix race condition in imx_thermal_probe()
clk: bcm2835: De-assert/assert PLL reset signal when appropriate
clk: mvebu: armada-38x: add support for missing clocks
clk: mvebu: armada-38x: add support for 1866MHz variants
mmc: jz4740: Fix race condition in IRQ mask update
iommu/vt-d: Fix a potential memory leak
um: Use POSIX ucontext_t instead of struct ucontext
dmaengine: at_xdmac: fix rare residue corruption
IB/srp: Fix completion vector assignment algorithm
IB/srp: Fix srp_abort()
ALSA: pcm: Fix UAF at PCM release via PCM timer access
RDMA/ucma: Don't allow setting RDMA_OPTION_IB_PATH without an RDMA device
ext4: fail ext4_iget for root directory if unallocated
ext4: don't update checksum of new initialized bitmaps
jbd2: if the journal is aborted then don't allow update of the log tail
random: use a tighter cap in credit_entropy_bits_safe()
thunderbolt: Resume control channel after hibernation image is created
ASoC: ssm2602: Replace reg_default_raw with reg_default
HID: core: Fix size as type u32
HID: Fix hid_report_len usage
powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops
powerpc/powernv: define a standard delay for OPAL_BUSY type retry loops
powerpc/64: Fix smp_wmb barrier definition use use lwsync consistently
powerpc/powernv: Handle unknown OPAL errors in opal_nvram_write()
HID: i2c-hid: fix size check and type usage
usb: dwc3: pci: Properly cleanup resource
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
ACPI / hotplug / PCI: Check presence of slot itself in get_slot_status()
ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
regmap: Fix reversed bounds check in regmap_raw_write()
xen-netfront: Fix hang on device removal
ARM: dts: at91: sama5d4: fix pinctrl compatible string
ARM: dts: at91: at91sam9g25: fix mux-mask pinctrl property
usb: musb: gadget: misplaced out of bounds check
mm, slab: reschedule cache_reap() on the same CPU
ipc/shm: fix use-after-free of shm file via remap_file_pages()
resource: fix integer overflow at reallocation
fs/reiserfs/journal.c: add missing resierfs_warning() arg
ubi: Reject MLC NAND
ubi: Fix error for write access
ubi: fastmap: Don't flush fastmap work on detach
ubifs: Check ubifs_wbuf_sync() return code
tty: make n_tty_read() always abort if hangup is in progress
x86/hweight: Don't clobber %rdi
x86/hweight: Get rid of the special calling convention
lan78xx: Correctly indicate invalid OTP
slip: Check if rstate is initialized before uncompressing
cdc_ether: flag the Cinterion AHS8 modem by gemalto as WWAN
hwmon: (ina2xx) Fix access to uninitialized mutex
rtl8187: Fix NULL pointer dereference in priv->conf_mutex
getname_kernel() needs to make sure that ->name != ->iname in long case
s390/ipl: ensure loadparm valid flag is set
s390/qdio: don't merge ERROR output buffers
s390/qdio: don't retry EQBS after CCQ 96
block/loop: fix deadlock after loop_set_status
Revert "perf tests: Decompress kernel module before objdump"
radeon: hide pointless #warning when compile testing
perf intel-pt: Fix timestamp following overflow
perf intel-pt: Fix error recovery from missing TIP packet
perf intel-pt: Fix sync_switch
perf intel-pt: Fix overlap detection to identify consecutive buffers correctly
parisc: Fix out of array access in match_pci_device()
media: v4l2-compat-ioctl32: don't oops on overlay
f2fs: check cap_resource only for data blocks
Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"
f2fs: clear PageError on writepage
UPSTREAM: timer: Export destroy_hrtimer_on_stack()
BACKPORT: dm verity: add 'check_at_most_once' option to only validate hashes once
f2fs: call unlock_new_inode() before d_instantiate()
f2fs: refactor read path to allow multiple postprocessing steps
fscrypt: allow synchronous bio decryption
Change-Id: I45f4ac10734d92023b53118d83dcd6c83974a283
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.129
media: v4l2-compat-ioctl32: don't oops on overlay
parisc: Fix out of array access in match_pci_device()
perf intel-pt: Fix overlap detection to identify consecutive buffers correctly
perf intel-pt: Fix sync_switch
perf intel-pt: Fix error recovery from missing TIP packet
perf intel-pt: Fix timestamp following overflow
radeon: hide pointless #warning when compile testing
Revert "perf tests: Decompress kernel module before objdump"
block/loop: fix deadlock after loop_set_status
s390/qdio: don't retry EQBS after CCQ 96
s390/qdio: don't merge ERROR output buffers
s390/ipl: ensure loadparm valid flag is set
getname_kernel() needs to make sure that ->name != ->iname in long case
rtl8187: Fix NULL pointer dereference in priv->conf_mutex
hwmon: (ina2xx) Fix access to uninitialized mutex
cdc_ether: flag the Cinterion AHS8 modem by gemalto as WWAN
slip: Check if rstate is initialized before uncompressing
lan78xx: Correctly indicate invalid OTP
x86/hweight: Get rid of the special calling convention
x86/hweight: Don't clobber %rdi
tty: make n_tty_read() always abort if hangup is in progress
ubifs: Check ubifs_wbuf_sync() return code
ubi: fastmap: Don't flush fastmap work on detach
ubi: Fix error for write access
ubi: Reject MLC NAND
fs/reiserfs/journal.c: add missing resierfs_warning() arg
resource: fix integer overflow at reallocation
ipc/shm: fix use-after-free of shm file via remap_file_pages()
mm, slab: reschedule cache_reap() on the same CPU
usb: musb: gadget: misplaced out of bounds check
ARM: dts: at91: at91sam9g25: fix mux-mask pinctrl property
ARM: dts: at91: sama5d4: fix pinctrl compatible string
xen-netfront: Fix hang on device removal
regmap: Fix reversed bounds check in regmap_raw_write()
ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
ACPI / hotplug / PCI: Check presence of slot itself in get_slot_status()
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
usb: dwc3: pci: Properly cleanup resource
HID: i2c-hid: fix size check and type usage
powerpc/powernv: Handle unknown OPAL errors in opal_nvram_write()
powerpc/64: Fix smp_wmb barrier definition use use lwsync consistently
powerpc/powernv: define a standard delay for OPAL_BUSY type retry loops
powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops
HID: Fix hid_report_len usage
HID: core: Fix size as type u32
ASoC: ssm2602: Replace reg_default_raw with reg_default
thunderbolt: Resume control channel after hibernation image is created
random: use a tighter cap in credit_entropy_bits_safe()
jbd2: if the journal is aborted then don't allow update of the log tail
ext4: don't update checksum of new initialized bitmaps
ext4: fail ext4_iget for root directory if unallocated
RDMA/ucma: Don't allow setting RDMA_OPTION_IB_PATH without an RDMA device
ALSA: pcm: Fix UAF at PCM release via PCM timer access
IB/srp: Fix srp_abort()
IB/srp: Fix completion vector assignment algorithm
dmaengine: at_xdmac: fix rare residue corruption
um: Use POSIX ucontext_t instead of struct ucontext
iommu/vt-d: Fix a potential memory leak
mmc: jz4740: Fix race condition in IRQ mask update
clk: mvebu: armada-38x: add support for 1866MHz variants
clk: mvebu: armada-38x: add support for missing clocks
clk: bcm2835: De-assert/assert PLL reset signal when appropriate
thermal: imx: Fix race condition in imx_thermal_probe()
watchdog: f71808e_wdt: Fix WD_EN register read
ALSA: oss: consolidate kmalloc/memset 0 call to kzalloc
ALSA: pcm: Use ERESTARTSYS instead of EINTR in OSS emulation
ALSA: pcm: Avoid potential races between OSS ioctls and read/write
ALSA: pcm: Return -EBUSY for OSS ioctls changing busy streams
ALSA: pcm: Fix mutex unbalance in OSS emulation ioctls
ALSA: pcm: Fix endless loop for XRUN recovery in OSS emulation
vfio-pci: Virtualize PCIe & AF FLR
vfio/pci: Virtualize Maximum Payload Size
vfio/pci: Virtualize Maximum Read Request Size
ext4: don't allow r/w mounts if metadata blocks overlap the superblock
drm/radeon: Fix PCIe lane width calculation
ext4: fix crashes in dioread_nolock mode
ext4: fix deadlock between inline_data and ext4_expand_extra_isize_ea()
ALSA: line6: Use correct endpoint type for midi output
ALSA: rawmidi: Fix missing input substream checks in compat ioctls
ALSA: hda - New VIA controller suppor no-snoop path
HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device
MIPS: uaccess: Add micromips clobbers to bzero invocation
MIPS: memset.S: EVA & fault support for small_memset
MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup
MIPS: memset.S: Fix clobber of v1 in last_fixup
powerpc/eeh: Fix enabling bridge MMIO windows
powerpc/lib: Fix off-by-one in alternate feature patching
jffs2_kill_sb(): deal with failed allocations
hypfs_kill_super(): deal with failed allocations
rpc_pipefs: fix double-dput()
Don't leak MNT_INTERNAL away from internal mounts
autofs: mount point create should honour passed in mode
mm: allow GFP_{FS,IO} for page_cache_read page cache allocation
mm/filemap.c: fix NULL pointer in page_cache_tree_insert()
ext4: bugfix for mmaped pages in mpage_release_unused_pages()
fanotify: fix logic of events on child
writeback: safer lock nesting
Linux 4.4.129
Change-Id: I8806d2cc92fe512f27a349e8f630ced0cac9a8d7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 2e898e4c0a3897ccd434adac5abb8330194f527b upstream.
lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if
the page's memcg is undergoing move accounting, which occurs when a
process leaves its memcg for a new one that has
memory.move_charge_at_immigrate set.
unlocked_inode_to_wb_begin,end() use spin_lock_irq/spin_unlock_irq() if
the given inode is switching writeback domains. Switches occur when
enough writes are issued from a new domain.
This existing pattern is thus suspicious:
lock_page_memcg(page);
unlocked_inode_to_wb_begin(inode, &locked);
...
unlocked_inode_to_wb_end(inode, locked);
unlock_page_memcg(page);
If both inode switch and process memcg migration are both in-flight then
unlocked_inode_to_wb_end() will unconditionally enable interrupts while
still holding the lock_page_memcg() irq spinlock. This suggests the
possibility of deadlock if an interrupt occurs before unlock_page_memcg().
truncate
__cancel_dirty_page
lock_page_memcg
unlocked_inode_to_wb_begin
unlocked_inode_to_wb_end
<interrupts mistakenly enabled>
<interrupt>
end_page_writeback
test_clear_page_writeback
lock_page_memcg
<deadlock>
unlock_page_memcg
Due to configuration limitations this deadlock is not currently possible
because we don't mix cgroup writeback (a cgroupv2 feature) and
memory.move_charge_at_immigrate (a cgroupv1 feature).
If the kernel is hacked to always claim inode switching and memcg
moving_account, then this script triggers lockup in less than a minute:
cd /mnt/cgroup/memory
mkdir a b
echo 1 > a/memory.move_charge_at_immigrate
echo 1 > b/memory.move_charge_at_immigrate
(
echo $BASHPID > a/cgroup.procs
while true; do
dd if=/dev/zero of=/mnt/big bs=1M count=256
done
) &
while true; do
sync
done &
sleep 1h &
SLEEP=$!
while true; do
echo $SLEEP > a/cgroup.procs
echo $SLEEP > b/cgroup.procs
done
The deadlock does not seem possible, so it's debatable if there's any
reason to modify the kernel. I suggest we should to prevent future
surprises. And Wang Long said "this deadlock occurs three times in our
environment", so there's more reason to apply this, even to stable.
Stable 4.4 has minor conflicts applying this patch. For a clean 4.4 patch
see "[PATCH for-4.4] writeback: safer lock nesting"
https://lkml.org/lkml/2018/4/11/146
Wang Long said "this deadlock occurs three times in our environment"
[gthelen@google.com: v4]
Link: http://lkml.kernel.org/r/20180411084653.254724-1-gthelen@google.com
[akpm@linux-foundation.org: comment tweaks, struct initialization simplification]
Change-Id: Ibb773e8045852978f6207074491d262f1b3fb613
Link: http://lkml.kernel.org/r/20180410005908.167976-1-gthelen@google.com
Fixes: 682aa8e1a6a1 ("writeback: implement unlocked_inode_to_wb transaction and use it for stat updates")
Signed-off-by: Greg Thelen <gthelen@google.com>
Reported-by: Wang Long <wanglong19@meituan.com>
Acked-by: Wang Long <wanglong19@meituan.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: <stable@vger.kernel.org> [v4.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[natechancellor: Applied to 4.4 based on Greg's backport on lkml.org]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c20cd45eb01748f0fba77a504f956b000df4ea73 upstream.
page_cache_read has been historically using page_cache_alloc_cold to
allocate a new page. This means that mapping_gfp_mask is used as the
base for the gfp_mask. Many filesystems are setting this mask to
GFP_NOFS to prevent from fs recursion issues. page_cache_read is called
from the vm_operations_struct::fault() context during the page fault.
This context doesn't need the reclaim protection normally.
ceph and ocfs2 which call filemap_fault from their fault handlers seem
to be OK because they are not taking any fs lock before invoking generic
implementation. xfs which takes XFS_MMAPLOCK_SHARED is safe from the
reclaim recursion POV because this lock serializes truncate and punch
hole with the page faults and it doesn't get involved in the reclaim.
There is simply no reason to deliberately use a weaker allocation
context when a __GFP_FS | __GFP_IO can be used. The GFP_NOFS protection
might be even harmful. There is a push to fail GFP_NOFS allocations
rather than loop within allocator indefinitely with a very limited
reclaim ability. Once we start failing those requests the OOM killer
might be triggered prematurely because the page cache allocation failure
is propagated up the page fault path and end up in
pagefault_out_of_memory.
We cannot play with mapping_gfp_mask directly because that would be racy
wrt. parallel page faults and it might interfere with other users who
really rely on NOFS semantic from the stored gfp_mask. The mask is also
inode proper so it would even be a layering violation. What we can do
instead is to push the gfp_mask into struct vm_fault and allow fs layer
to overwrite it should the callback need to be called with a different
allocation context.
Initialize the default to (mapping_gfp_mask | __GFP_FS | __GFP_IO)
because this should be safe from the page fault path normally. Why do
we care about mapping_gfp_mask at all then? Because this doesn't hold
only reclaim protection flags but it also might contain zone and
movability restrictions (GFP_DMA32, __GFP_MOVABLE and others) so we have
to respect those.
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Jan Kara <jack@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 40cab6e88cb0b6c56d3f30b7491a20e803f948f6 upstream.
OSS PCM stream management isn't modal but it allows ioctls issued at
any time for changing the parameters. In the previous hardening
patch ("ALSA: pcm: Avoid potential races between OSS ioctls and
read/write"), we covered these races and prevent the corruption by
protecting the concurrent accesses via params_lock mutex. However,
this means that some ioctls that try to change the stream parameter
(e.g. channels or format) would be blocked until the read/write
finishes, and it may take really long.
Basically changing the parameter while reading/writing is an invalid
operation, hence it's even more user-friendly from the API POV if it
returns -EBUSY in such a situation.
This patch adds such checks in the relevant ioctls with the addition
of read/write access refcount.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6de0b13cc0b4ba10e98a9263d7a83b940720b77a upstream.
When size is negative, calling memset will make segment fault.
Declare the size as type u32 to keep memset safe.
size in struct hid_report is unsigned, fix return type of
hid_report_len to u32.
Cc: stable@vger.kernel.org
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 28b0f8a6962a24ed21737578f3b1b07424635c9e upstream.
A tty is hung up by __tty_hangup() setting file->f_op to
hung_up_tty_fops, which is skipped on ttys whose write operation isn't
tty_write(). This means that, for example, /dev/console whose write
op is redirected_tty_write() is never actually marked hung up.
Because n_tty_read() uses the hung up status to decide whether to
abort the waiting readers, the lack of hung-up marking can lead to the
following scenario.
1. A session contains two processes. The leader and its child. The
child ignores SIGHUP.
2. The leader exits and starts disassociating from the controlling
terminal (/dev/console).
3. __tty_hangup() skips setting f_op to hung_up_tty_fops.
4. SIGHUP is delivered and ignored.
5. tty_ldisc_hangup() is invoked. It wakes up the waits which should
clear the read lockers of tty->ldisc_sem.
6. The reader wakes up but because tty_hung_up_p() is false, it
doesn't abort and goes back to sleep while read-holding
tty->ldisc_sem.
7. The leader progresses to tty_ldisc_lock() in tty_ldisc_hangup()
and is now stuck in D sleep indefinitely waiting for
tty->ldisc_sem.
The following is Alan's explanation on why some ttys aren't hung up.
http://lkml.kernel.org/r/20171101170908.6ad08580@alans-desktop
1. It broke the serial consoles because they would hang up and close
down the hardware. With tty_port that *should* be fixable properly
for any cases remaining.
2. The console layer was (and still is) completely broken and doens't
refcount properly. So if you turn on console hangups it breaks (as
indeed does freeing consoles and half a dozen other things).
As neither can be fixed quickly, this patch works around the problem
by introducing a new flag, TTY_HUPPING, which is used solely to tell
n_tty_read() that hang-up is in progress for the console and the
readers should be aborted regardless of the hung-up status of the
device.
The following is a sample hung task warning caused by this issue.
INFO: task agetty:2662 blocked for more than 120 seconds.
Not tainted 4.11.3-dbg-tty-lockup-02478-gfd6c7ee-dirty #28
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
0 2662 1 0x00000086
Call Trace:
__schedule+0x267/0x890
schedule+0x36/0x80
schedule_timeout+0x23c/0x2e0
ldsem_down_write+0xce/0x1f6
tty_ldisc_lock+0x16/0x30
tty_ldisc_hangup+0xb3/0x1b0
__tty_hangup+0x300/0x410
disassociate_ctty+0x6c/0x290
do_exit+0x7ef/0xb00
do_group_exit+0x3f/0xa0
get_signal+0x1b3/0x5d0
do_signal+0x28/0x660
exit_to_usermode_loop+0x46/0x86
do_syscall_64+0x9c/0xb0
entry_SYSCALL64_slow_path+0x25/0x25
The following is the repro. Run "$PROG /dev/console". The parent
process hangs in D state.
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <signal.h>
#include <time.h>
#include <termios.h>
int main(int argc, char **argv)
{
struct sigaction sact = { .sa_handler = SIG_IGN };
struct timespec ts1s = { .tv_sec = 1 };
pid_t pid;
int fd;
if (argc < 2) {
fprintf(stderr, "test-hung-tty /dev/$TTY\n");
return 1;
}
/* fork a child to ensure that it isn't already the session leader */
pid = fork();
if (pid < 0) {
perror("fork");
return 1;
}
if (pid > 0) {
/* top parent, wait for everyone */
while (waitpid(-1, NULL, 0) >= 0)
;
if (errno != ECHILD)
perror("waitpid");
return 0;
}
/* new session, start a new session and set the controlling tty */
if (setsid() < 0) {
perror("setsid");
return 1;
}
fd = open(argv[1], O_RDWR);
if (fd < 0) {
perror("open");
return 1;
}
if (ioctl(fd, TIOCSCTTY, 1) < 0) {
perror("ioctl");
return 1;
}
/* fork a child, sleep a bit and exit */
pid = fork();
if (pid < 0) {
perror("fork");
return 1;
}
if (pid > 0) {
nanosleep(&ts1s, NULL);
printf("Session leader exiting\n");
exit(0);
}
/*
* The child ignores SIGHUP and keeps reading from the controlling
* tty. Because SIGHUP is ignored, the child doesn't get killed on
* parent exit and the bug in n_tty makes the read(2) block the
* parent's control terminal hangup attempt. The parent ends up in
* D sleep until the child is explicitly killed.
*/
sigaction(SIGHUP, &sact, NULL);
printf("Child reading tty\n");
while (1) {
char buf[1024];
if (read(fd, buf, sizeof(buf)) < 0) {
perror("read");
return 1;
}
}
return 0;
}
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Alan Cox <alan@llwyncelyn.cymru>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3f01ddb962dc506916c243f9524e8bef97119b77 ]
On receiving a packet the state index points to the rstate which must be
used to fill up IP and TCP headers. But if the state index points to a
rstate which is unitialized, i.e. filled with zeros, it gets stuck in an
infinite loop inside ip_fast_csum trying to compute the ip checsum of a
header with zero length.
89.666953: <2> [<ffffff9dd3e94d38>] slhc_uncompress+0x464/0x468
89.666965: <2> [<ffffff9dd3e87d88>] ppp_receive_nonmp_frame+0x3b4/0x65c
89.666978: <2> [<ffffff9dd3e89dd4>] ppp_receive_frame+0x64/0x7e0
89.666991: <2> [<ffffff9dd3e8a708>] ppp_input+0x104/0x198
89.667005: <2> [<ffffff9dd3e93868>] pppopns_recv_core+0x238/0x370
89.667027: <2> [<ffffff9dd4428fc8>] __sk_receive_skb+0xdc/0x250
89.667040: <2> [<ffffff9dd3e939e4>] pppopns_recv+0x44/0x60
89.667053: <2> [<ffffff9dd4426848>] __sock_queue_rcv_skb+0x16c/0x24c
89.667065: <2> [<ffffff9dd4426954>] sock_queue_rcv_skb+0x2c/0x38
89.667085: <2> [<ffffff9dd44f7358>] raw_rcv+0x124/0x154
89.667098: <2> [<ffffff9dd44f7568>] raw_local_deliver+0x1e0/0x22c
89.667117: <2> [<ffffff9dd44c8ba0>] ip_local_deliver_finish+0x70/0x24c
89.667131: <2> [<ffffff9dd44c92f4>] ip_local_deliver+0x100/0x10c
./scripts/faddr2line vmlinux slhc_uncompress+0x464/0x468 output:
ip_fast_csum at arch/arm64/include/asm/checksum.h:40
(inlined by) slhc_uncompress at drivers/net/slip/slhc.c:615
Adding a variable to indicate if the current rstate is initialized. If
such a packet arrives, move to toss state.
Signed-off-by: Tejaswi Tanikella <tejaswit@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Cherry-pick from origin/upstream-f2fs-stable-linux-4.4.y:
13890bed2032 ("fscrypt: allow synchronous bio decryption")
Currently, fscrypt provides fscrypt_decrypt_bio_pages() which decrypts a
bio's pages asynchronously, then unlocks them afterwards. But, this
assumes that decryption is the last "postprocessing step" for the bio,
so it's incompatible with additional postprocessing steps such as
authenticity verification after decryption.
Therefore, rename the existing fscrypt_decrypt_bio_pages() to
fscrypt_enqueue_decrypt_bio(). Then, add fscrypt_decrypt_bio() which
decrypts the pages in the bio synchronously without unlocking the pages,
nor setting them Uptodate; and add fscrypt_enqueue_decrypt_work(), which
enqueues work on the fscrypt_read_workqueue. The new functions will be
used by filesystems that support both fscrypt and fs-verity.
Change-Id: I99f1c7bfb79381f6e4abf2b1f418776b19bd8e08
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The SNDRV_RAWMIDI_STREAM_{OUTPUT,INPUT} ioctls may reallocate
runtime->buffer while other kernel threads are accessing it. If the
underlying krealloc() call frees the original buffer, then this can turn
into a use-after-free.
Most of these accesses happen while the thread is holding runtime->lock,
and can be fixed by just holding the same lock while replacing
runtime->buffer, however we can't hold this spinlock while
snd_rawmidi_kernel_{read1,write1} are copying to/from userspace. We
need to add and acquire a new mutex to prevent this from happening
concurrently with reallocation. We hold this mutex during the entire
reallocation process, to also prevent multiple concurrent reallocations
leading to a double-free.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
bug: 64315347
Change-Id: I05764d4f1a38f373eb7c0ac1c98607ee5ff0eded
[dcagle@codeaurora.org: Resolve trivial merge conflict]
Git-repo: https://android.googlesource.com/kernel/msm
Git-commit: d7193540482d11ff0ad3a07fc18717811641c6eb
Signed-off-by: Dennis Cagle <dcagle@codeaurora.org>
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currently hab only supports importing remote buffer
to cpu address, which can't be shared to other process.
Therefore we add dma_buf import/export function in hab
Change-Id: I156c925d7c0cefef5bf146ad8cff38de9c4b3bee
Signed-off-by: Yajun Li <yajunl@codeaurora.org>
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* refs/heads/tmp-89904cc
ANDROID: Add build server config for cuttlefish.
ANDROID: Add defconfig for cuttlefish.
FROMLIST: staging: Android: Add 'vsoc' driver for cuttlefish.
Revert "proc: make oom adjustment files user read-only"
Revert "fixup! proc: make oom adjustment files user read-only"
Linux 4.4.128
Revert "xhci: plat: Register shutdown for xhci_plat"
vrf: Fix use after free and double free in vrf_finish_output
ipv6: the entire IPv6 header chain must fit the first fragment
net/ipv6: Increment OUTxxx counters after netfilter hook
net sched actions: fix dumping which requires several messages to user space
r8169: fix setting driver_data after register_netdev
vti6: better validate user provided tunnel names
ip6_tunnel: better validate user provided tunnel names
ip6_gre: better validate user provided tunnel names
ipv6: sit: better validate user provided tunnel names
ip_tunnel: better validate user provided tunnel names
net: fool proof dev_valid_name()
bonding: process the err returned by dev_set_allmulti properly in bond_enslave
bonding: move dev_mc_sync after master_upper_dev_link in bond_enslave
bonding: fix the err path for dev hwaddr sync in bond_enslave
vlan: also check phy_driver ts_info for vlan's real device
vhost: correctly remove wait queue during poll failure
sky2: Increase D3 delay to sky2 stops working after suspend
sctp: sctp_sockaddr_af must check minimal addr length for AF_INET6
sctp: do not leak kernel memory to user space
pptp: remove a buggy dst release in pptp_connect()
net/sched: fix NULL dereference in the error path of tcf_bpf_init()
netlink: make sure nladdr has correct size in netlink_connect()
net/ipv6: Fix route leaking between VRFs
net: fix possible out-of-bound read in skb_network_protocol()
arp: fix arp_filter on l3slave devices
Kbuild: provide a __UNIQUE_ID for clang
futex: Remove requirement for lock_page() in get_futex_key()
random: use lockless method of accessing and updating f->reg_idx
virtio_net: check return value of skb_to_sgvec in one more location
virtio_net: check return value of skb_to_sgvec always
rxrpc: check return value of skb_to_sgvec always
ipsec: check return value of skb_to_sgvec always
perf tools: Fix copyfile_offset update of output offset
cxgb4vf: Fix SGE FL buffer initialization logic for 64K pages
EDAC, mv64x60: Fix an error handling path
tty: n_gsm: Allow ADM response in addition to UA for control dlci
blk-mq: fix kernel oops in blk_mq_tag_idle()
scsi: libsas: initialize sas_phy status according to response of DISCOVER
scsi: libsas: fix error when getting phy events
scsi: libsas: fix memory leak in sas_smp_get_phy_events()
bcache: segregate flash only volume write streams
bcache: stop writeback thread after detaching
vxlan: dont migrate permanent fdb entries during learn
s390/dasd: fix hanging safe offline
ACPICA: Disassembler: Abort on an invalid/unknown AML opcode
ACPICA: Events: Add runtime stub support for event APIs
cpuidle: dt: Add missing 'of_node_put()'
Bluetooth: Send HCI Set Event Mask Page 2 command only when needed
iio: magnetometer: st_magn_spi: fix spi_device_id table
sparc64: ldc abort during vds iso boot
sctp: fix recursive locking warning in sctp_do_peeloff
bnx2x: Allow vfs to disable txvlan offload
xen: avoid type warning in xchg_xen_ulong
skbuff: only inherit relevant tx_flags
perf tests: Decompress kernel module before objdump
net: emac: fix reset timeout with AR8035 phy
Fix loop device flush before configure v3
MIPS: kprobes: flush_insn_slot should flush only if probe initialised
MIPS: mm: adjust PKMAP location
MIPS: mm: fixed mappings: correct initialisation
perf/core: Correct event creation with PERF_FORMAT_GROUP
e1000e: Undo e1000e_pm_freeze if __e1000_shutdown fails
ARM: imx: Add MXC_CPU_IMX6ULL and cpu_is_imx6ull
net: phy: avoid genphy_aneg_done() for PHYs without clause 22 support
mceusb: sporadic RX truncation corruption fix
cx25840: fix unchecked return values
e1000e: fix race condition around skb_tstamp_tx()
tags: honor COMPILED_SOURCE with apart output directory
perf report: Ensure the perf DSO mapping matches what libdw sees
perf header: Set proper module name when build-id event found
net/mlx4: Check if Granular QoS per VF has been enabled before updating QP qos_vport
net/mlx4: Fix the check in attaching steering rules
sit: reload iphdr in ipip6_rcv
skbuff: return -EMSGSIZE in skb_to_sgvec to prevent overflow
bio-integrity: Do not allocate integrity context for bio w/o data
Fix serial console on SNI RM400 machines
cxgb4: fix incorrect cim_la output for T6
drm/omap: fix tiled buffer stride calculations
mISDN: Fix a sleep-in-atomic bug
qlcnic: Fix a sleep-in-atomic bug in qlcnic_82xx_hw_write_wx_2M and qlcnic_82xx_hw_read_wx_2M
perf trace: Add mmap alias for s390
powerpc/spufs: Fix coredump of SPU contexts
clk: Fix __set_clk_rates error print-string
clk: scpi: fix return type of __scpi_dvfs_round_rate
KVM: SVM: do not zero out segment attributes if segment is unusable or not present
net: freescale: fix potential null pointer dereference
SUNRPC: ensure correct error is reported by xs_tcp_setup_socket()
rtc: interface: Validate alarm-time before handling rollover
rtc: opal: Handle disabled TPO in opal_get_tpo_time()
cxgb4: FW upgrade fixes
net/mlx5: avoid build warning for uniprocessor
arm64: futex: Fix undefined behaviour with FUTEX_OP_OPARG_SHIFT usage
dmaengine: imx-sdma: Handle return value of clk_prepare_enable
powerpc/[booke|4xx]: Don't clobber TCR[WP] when setting TCR[DIE]
ovl: filter trusted xattr for non-admin
hdlcdrv: Fix divide by zero in hdlcdrv_ioctl
wl1251: check return from call to wl1251_acx_arp_ip_filter
ASoC: Intel: sst: Fix the return value of 'sst_send_byte_stream_mrfld()'
gpio: label descriptors using the device name
vfb: fix video mode and line_length being set when loaded
scsi: mpt3sas: Proper handling of set/clear of "ATA command pending" flag.
scsi: libiscsi: Allow sd_shutdown on bad transport
ASoC: Intel: cht_bsw_rt5645: Analog Mic support
media: videobuf2-core: don't go out of the buffer range
hwmon: (ina2xx) Make calibration register value fixed
rds; Reset rs->rs_bound_addr in rds_add_bound() failure path
l2tp: fix missing print session offset info
perf probe: Add warning message if there is unexpected event name
thermal: power_allocator: fix one race condition issue for thermal_instances list
ARM: dts: ls1021a: add "fsl,ls1021a-esdhc" compatible string to esdhc node
net: llc: add lock_sock in llc_ui_bind to avoid a race condition
KVM: nVMX: Fix handling of lmsw instruction
bonding: Don't update slave->link until ready to commit
Input: elan_i2c - clear INT before resetting controller
net: move somaxconn init from sysctl code
tcp: better validation of received ack sequences
ext4: fix off-by-one on max nr_pages in ext4_find_unwritten_pgoff()
fix race in drivers/char/random.c:get_reg()
scsi: bnx2fc: fix race condition in bnx2fc_get_host_stats()
ASoC: rsnd: SSI PIO adjust to 24bit mode
pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()
netfilter: ctnetlink: fix incorrect nf_ct_put during hash resize
libceph: NULL deref on crush_decode() error path
net: ieee802154: fix net_device reference release too early
mlx5: fix bug reading rss_hash_type from CQE
block: fix an error code in add_partition()
selinux: do not check open permission on sockets
net/mlx5: Tolerate irq_set_affinity_hint() failures
sched/numa: Use down_read_trylock() for the mmap_sem
leds: pca955x: Correct I2C Functionality
ray_cs: Avoid reading past end of buffer
ARM: davinci: da8xx: Create DSP device only when assigned memory
md-cluster: fix potential lock issue in add_new_disk
ext4: handle the rest of ext4_mb_load_buddy() ENOMEM errors
iio: hi8435: cleanup reset gpio
iio: hi8435: avoid garbage event at first enable
xfrm: fix state migration copy replay sequence numbers
selftests/powerpc: Fix TM resched DSCR test with some compilers
ath5k: fix memory leak on buf on failed eeprom read
powerpc/mm: Fix virt_addr_valid() etc. on 64-bit hash
scsi: csiostor: fix use after free in csio_hw_use_fwconfig()
sh_eth: Use platform device for printing before register_netdev()
serial: sh-sci: Fix race condition causing garbage during shutdown
serial: 8250: omap: Disable DMA for console UART
USB: ene_usb6250: fix SCSI residue overwriting
net: x25: fix one potential use-after-free issue
USB: ene_usb6250: fix first command execution
usb: chipidea: properly handle host or gadget initialization failure
arp: honour gratuitous ARP _replies_
neighbour: update neigh timestamps iff update is effective
ata: libahci: properly propagate return value of platform_get_irq()
btrfs: fix incorrect error return ret being passed to mapping_set_error
usb: dwc3: keystone: check return value
async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()
ipv6: avoid dad-failures for addresses with NODAD
ARM: dts: imx6qdl-wandboard: Fix audio channel swap
x86/tsc: Provide 'tsc=unstable' boot parameter
staging: wlan-ng: prism2mgmt.c: fixed a double endian conversion before calling hfa384x_drvr_setconfig16, also fixes relative sparse warning
ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin
PowerCap: Fix an error code in powercap_register_zone()
bus: brcmstb_gisb: correct support for 64-bit address output
bus: brcmstb_gisb: Use register offsets with writes too
SMB2: Fix share type handling
vmxnet3: ensure that adapter is in proper state during force_close
KVM: PPC: Book3S PR: Check copy_to/from_user return values
Input: elantech - force relative mode on a certain module
Input: elan_i2c - check if device is there before really probing
netxen_nic: set rcode to the return status from the call to netxen_issue_cmd
net: qca_spi: Fix alignment issues in rx path
blk-mq: NVMe 512B/4K+T10 DIF/DIX format returns I/O error on dd with split op
CIFS: silence lockdep splat in cifs_relock_file()
NFSv4.1: Work around a Linux server bug...
net/mlx4_en: Avoid adding steering rules with invalid ring
s390: move _text symbol to address higher than zero
pidns: disable pid allocation if pid_ns_prepare_proc() is failed in alloc_pid()
drivers/misc/vmw_vmci/vmci_queue_pair.c: fix a couple integer overflow tests
lockd: fix lockd shutdown race
net: ethernet: ti: cpsw: adjust cpsw fifos depth for fullduplex flow control
net: cdc_ncm: Fix TX zero padding
ipmi_ssif: unlock on allocation failure
qlge: Avoid reading past end of buffer
bna: Avoid reading past end of buffer
mac80211: bail out from prep_connection() if a reconfig is ongoing
af_key: Fix slab-out-of-bounds in pfkey_compile_policy.
IB/srpt: Fix abort handling
NFSv4.1: RECLAIM_COMPLETE must handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION
x86/asm: Don't use RBP as a temporary register in csum_partial_copy_generic()
rtc: snvs: fix an incorrect check of return value
md/raid5: make use of spin_lock_irq over local_irq_disable + spin_lock
cfg80211: make RATE_INFO_BW_20 the default
ANDROID: proc: add null check in proc_uid_init
f2fs/fscrypt: updates to v4.17-rc1
Reduce amount of casting in drivers/tty/goldfish.c.
Conflicts:
drivers/staging/android/Kconfig
drivers/staging/android/Makefile
Change-Id: Ic7aa3df76a0312b8d6d84f8a8e11e793311a239a
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.128
cfg80211: make RATE_INFO_BW_20 the default
md/raid5: make use of spin_lock_irq over local_irq_disable + spin_lock
rtc: snvs: fix an incorrect check of return value
x86/asm: Don't use RBP as a temporary register in csum_partial_copy_generic()
NFSv4.1: RECLAIM_COMPLETE must handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION
IB/srpt: Fix abort handling
af_key: Fix slab-out-of-bounds in pfkey_compile_policy.
mac80211: bail out from prep_connection() if a reconfig is ongoing
bna: Avoid reading past end of buffer
qlge: Avoid reading past end of buffer
ipmi_ssif: unlock on allocation failure
net: cdc_ncm: Fix TX zero padding
net: ethernet: ti: cpsw: adjust cpsw fifos depth for fullduplex flow control
lockd: fix lockd shutdown race
drivers/misc/vmw_vmci/vmci_queue_pair.c: fix a couple integer overflow tests
pidns: disable pid allocation if pid_ns_prepare_proc() is failed in alloc_pid()
s390: move _text symbol to address higher than zero
net/mlx4_en: Avoid adding steering rules with invalid ring
NFSv4.1: Work around a Linux server bug...
CIFS: silence lockdep splat in cifs_relock_file()
blk-mq: NVMe 512B/4K+T10 DIF/DIX format returns I/O error on dd with split op
net: qca_spi: Fix alignment issues in rx path
netxen_nic: set rcode to the return status from the call to netxen_issue_cmd
Input: elan_i2c - check if device is there before really probing
Input: elantech - force relative mode on a certain module
KVM: PPC: Book3S PR: Check copy_to/from_user return values
vmxnet3: ensure that adapter is in proper state during force_close
SMB2: Fix share type handling
bus: brcmstb_gisb: Use register offsets with writes too
bus: brcmstb_gisb: correct support for 64-bit address output
PowerCap: Fix an error code in powercap_register_zone()
ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin
staging: wlan-ng: prism2mgmt.c: fixed a double endian conversion before calling hfa384x_drvr_setconfig16, also fixes relative sparse warning
x86/tsc: Provide 'tsc=unstable' boot parameter
ARM: dts: imx6qdl-wandboard: Fix audio channel swap
ipv6: avoid dad-failures for addresses with NODAD
async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()
usb: dwc3: keystone: check return value
btrfs: fix incorrect error return ret being passed to mapping_set_error
ata: libahci: properly propagate return value of platform_get_irq()
neighbour: update neigh timestamps iff update is effective
arp: honour gratuitous ARP _replies_
usb: chipidea: properly handle host or gadget initialization failure
USB: ene_usb6250: fix first command execution
net: x25: fix one potential use-after-free issue
USB: ene_usb6250: fix SCSI residue overwriting
serial: 8250: omap: Disable DMA for console UART
serial: sh-sci: Fix race condition causing garbage during shutdown
sh_eth: Use platform device for printing before register_netdev()
scsi: csiostor: fix use after free in csio_hw_use_fwconfig()
powerpc/mm: Fix virt_addr_valid() etc. on 64-bit hash
ath5k: fix memory leak on buf on failed eeprom read
selftests/powerpc: Fix TM resched DSCR test with some compilers
xfrm: fix state migration copy replay sequence numbers
iio: hi8435: avoid garbage event at first enable
iio: hi8435: cleanup reset gpio
ext4: handle the rest of ext4_mb_load_buddy() ENOMEM errors
md-cluster: fix potential lock issue in add_new_disk
ARM: davinci: da8xx: Create DSP device only when assigned memory
ray_cs: Avoid reading past end of buffer
leds: pca955x: Correct I2C Functionality
sched/numa: Use down_read_trylock() for the mmap_sem
net/mlx5: Tolerate irq_set_affinity_hint() failures
selinux: do not check open permission on sockets
block: fix an error code in add_partition()
mlx5: fix bug reading rss_hash_type from CQE
net: ieee802154: fix net_device reference release too early
libceph: NULL deref on crush_decode() error path
netfilter: ctnetlink: fix incorrect nf_ct_put during hash resize
pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()
ASoC: rsnd: SSI PIO adjust to 24bit mode
scsi: bnx2fc: fix race condition in bnx2fc_get_host_stats()
fix race in drivers/char/random.c:get_reg()
ext4: fix off-by-one on max nr_pages in ext4_find_unwritten_pgoff()
tcp: better validation of received ack sequences
net: move somaxconn init from sysctl code
Input: elan_i2c - clear INT before resetting controller
bonding: Don't update slave->link until ready to commit
KVM: nVMX: Fix handling of lmsw instruction
net: llc: add lock_sock in llc_ui_bind to avoid a race condition
ARM: dts: ls1021a: add "fsl,ls1021a-esdhc" compatible string to esdhc node
thermal: power_allocator: fix one race condition issue for thermal_instances list
perf probe: Add warning message if there is unexpected event name
l2tp: fix missing print session offset info
rds; Reset rs->rs_bound_addr in rds_add_bound() failure path
hwmon: (ina2xx) Make calibration register value fixed
media: videobuf2-core: don't go out of the buffer range
ASoC: Intel: cht_bsw_rt5645: Analog Mic support
scsi: libiscsi: Allow sd_shutdown on bad transport
scsi: mpt3sas: Proper handling of set/clear of "ATA command pending" flag.
vfb: fix video mode and line_length being set when loaded
gpio: label descriptors using the device name
ASoC: Intel: sst: Fix the return value of 'sst_send_byte_stream_mrfld()'
wl1251: check return from call to wl1251_acx_arp_ip_filter
hdlcdrv: Fix divide by zero in hdlcdrv_ioctl
ovl: filter trusted xattr for non-admin
powerpc/[booke|4xx]: Don't clobber TCR[WP] when setting TCR[DIE]
dmaengine: imx-sdma: Handle return value of clk_prepare_enable
arm64: futex: Fix undefined behaviour with FUTEX_OP_OPARG_SHIFT usage
net/mlx5: avoid build warning for uniprocessor
cxgb4: FW upgrade fixes
rtc: opal: Handle disabled TPO in opal_get_tpo_time()
rtc: interface: Validate alarm-time before handling rollover
SUNRPC: ensure correct error is reported by xs_tcp_setup_socket()
net: freescale: fix potential null pointer dereference
KVM: SVM: do not zero out segment attributes if segment is unusable or not present
clk: scpi: fix return type of __scpi_dvfs_round_rate
clk: Fix __set_clk_rates error print-string
powerpc/spufs: Fix coredump of SPU contexts
perf trace: Add mmap alias for s390
qlcnic: Fix a sleep-in-atomic bug in qlcnic_82xx_hw_write_wx_2M and qlcnic_82xx_hw_read_wx_2M
mISDN: Fix a sleep-in-atomic bug
drm/omap: fix tiled buffer stride calculations
cxgb4: fix incorrect cim_la output for T6
Fix serial console on SNI RM400 machines
bio-integrity: Do not allocate integrity context for bio w/o data
skbuff: return -EMSGSIZE in skb_to_sgvec to prevent overflow
sit: reload iphdr in ipip6_rcv
net/mlx4: Fix the check in attaching steering rules
net/mlx4: Check if Granular QoS per VF has been enabled before updating QP qos_vport
perf header: Set proper module name when build-id event found
perf report: Ensure the perf DSO mapping matches what libdw sees
tags: honor COMPILED_SOURCE with apart output directory
e1000e: fix race condition around skb_tstamp_tx()
cx25840: fix unchecked return values
mceusb: sporadic RX truncation corruption fix
net: phy: avoid genphy_aneg_done() for PHYs without clause 22 support
ARM: imx: Add MXC_CPU_IMX6ULL and cpu_is_imx6ull
e1000e: Undo e1000e_pm_freeze if __e1000_shutdown fails
perf/core: Correct event creation with PERF_FORMAT_GROUP
MIPS: mm: fixed mappings: correct initialisation
MIPS: mm: adjust PKMAP location
MIPS: kprobes: flush_insn_slot should flush only if probe initialised
Fix loop device flush before configure v3
net: emac: fix reset timeout with AR8035 phy
perf tests: Decompress kernel module before objdump
skbuff: only inherit relevant tx_flags
xen: avoid type warning in xchg_xen_ulong
bnx2x: Allow vfs to disable txvlan offload
sctp: fix recursive locking warning in sctp_do_peeloff
sparc64: ldc abort during vds iso boot
iio: magnetometer: st_magn_spi: fix spi_device_id table
Bluetooth: Send HCI Set Event Mask Page 2 command only when needed
cpuidle: dt: Add missing 'of_node_put()'
ACPICA: Events: Add runtime stub support for event APIs
ACPICA: Disassembler: Abort on an invalid/unknown AML opcode
s390/dasd: fix hanging safe offline
vxlan: dont migrate permanent fdb entries during learn
bcache: stop writeback thread after detaching
bcache: segregate flash only volume write streams
scsi: libsas: fix memory leak in sas_smp_get_phy_events()
scsi: libsas: fix error when getting phy events
scsi: libsas: initialize sas_phy status according to response of DISCOVER
blk-mq: fix kernel oops in blk_mq_tag_idle()
tty: n_gsm: Allow ADM response in addition to UA for control dlci
EDAC, mv64x60: Fix an error handling path
cxgb4vf: Fix SGE FL buffer initialization logic for 64K pages
perf tools: Fix copyfile_offset update of output offset
ipsec: check return value of skb_to_sgvec always
rxrpc: check return value of skb_to_sgvec always
virtio_net: check return value of skb_to_sgvec always
virtio_net: check return value of skb_to_sgvec in one more location
random: use lockless method of accessing and updating f->reg_idx
futex: Remove requirement for lock_page() in get_futex_key()
Kbuild: provide a __UNIQUE_ID for clang
arp: fix arp_filter on l3slave devices
net: fix possible out-of-bound read in skb_network_protocol()
net/ipv6: Fix route leaking between VRFs
netlink: make sure nladdr has correct size in netlink_connect()
net/sched: fix NULL dereference in the error path of tcf_bpf_init()
pptp: remove a buggy dst release in pptp_connect()
sctp: do not leak kernel memory to user space
sctp: sctp_sockaddr_af must check minimal addr length for AF_INET6
sky2: Increase D3 delay to sky2 stops working after suspend
vhost: correctly remove wait queue during poll failure
vlan: also check phy_driver ts_info for vlan's real device
bonding: fix the err path for dev hwaddr sync in bond_enslave
bonding: move dev_mc_sync after master_upper_dev_link in bond_enslave
bonding: process the err returned by dev_set_allmulti properly in bond_enslave
net: fool proof dev_valid_name()
ip_tunnel: better validate user provided tunnel names
ipv6: sit: better validate user provided tunnel names
ip6_gre: better validate user provided tunnel names
ip6_tunnel: better validate user provided tunnel names
vti6: better validate user provided tunnel names
r8169: fix setting driver_data after register_netdev
net sched actions: fix dumping which requires several messages to user space
net/ipv6: Increment OUTxxx counters after netfilter hook
ipv6: the entire IPv6 header chain must fit the first fragment
vrf: Fix use after free and double free in vrf_finish_output
Revert "xhci: plat: Register shutdown for xhci_plat"
Linux 4.4.128
Change-Id: I9c1e58f634cc18f15a840c9d192c892dfcc5ff73
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit b41c29b0527c7fd6a95d0f71274abb79933bf960 upstream.
The default __UNIQUE_ID macro in compiler.h fails to work for some drivers:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:615:1: error: redefinition of
'__UNIQUE_ID_firmware615'
BRCMF_FW_NVRAM_DEF(4354, "brcmfmac4354-sdio.bin", "brcmfmac4354-sdio.txt");
This adds a copy of the version we use for gcc-4.3 and higher, as the same
one works with all versions of clang that I could find in svn (2.6 and higher).
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
Cc: Matthias Kaehlcke <mka@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6dc06c08bef1c746ff8da33dab677cfbacdcad32 ]
Our previous patch (cited below) introduced a regression
for RAW Eth QPs.
Fix it by checking if the QP number provided by user-space
exists, hence allowing steering rules to be added for valid
QPs only.
Fixes: 89c557687a32 ("net/mlx4_en: Avoid adding steering rules with invalid ring")
Reported-by: Or Gerlitz <gerlitz.or@gmail.com>
Signed-off-by: Talat Batheesh <talatb@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 48a1df65334b74bd7531f932cca5928932abf769 ]
This is a defense-in-depth measure in response to bugs like
4d6fa57b4dab ("macsec: avoid heap overflow in skb_to_sgvec"). There's
not only a potential overflow of sglist items, but also a stack overflow
potential, so we fix this by limiting the amount of recursion this function
is allowed to do. Not actually providing a bounded base case is a future
disaster that we can easily avoid here.
As a small matter of house keeping, we take this opportunity to move the
documentation comment over the actual function the documentation is for.
While this could be implemented by using an explicit stack of skbuffs,
when implementing this, the function complexity increased considerably,
and I don't think such complexity and bloat is actually worth it. So,
instead I built this and tested it on x86, x86_64, ARM, ARM64, and MIPS,
and measured the stack usage there. I also reverted the recent MIPS
changes that give it a separate IRQ stack, so that I could experience
some worst-case situations. I found that limiting it to 24 layers deep
yielded a good stack usage with room for safety, as well as being much
deeper than any driver actually ever creates.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Sabrina Dubroca <sd@queasysnail.net>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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