From: Marcel Holtmann
commit d5bb334a8e171b262e48f378bd2096c0ea458265 upstream.
The minimum encryption key size for LE connections is 56 bits and to
align LE with BR/EDR, enforce 56 bits of minimum encryption key size for
BR/EDR connections as well.
Signed-off-by: Marcel Holtmann
Signed-off-by
From: NeilBrown
commit d58431eacb226222430940134d97bfd72f292fcd upstream.
A recent commit added a call to cache_fresh_locked()
when an expired item was found.
The call sets the CACHE_VALID flag, so it is important
that the item actually is valid.
There are two ways it could be valid:
1/ If ->upd
From: Michael Ellerman
commit abf110f3e1cea40f5ea15e85f5d67c39c14568a7 upstream.
For PowerVM migration we want to be able to call setup_rfi_flush()
again after we've migrated the partition.
To support that we need to check that we're not trying to allocate the
fallback flush area after memblock
commit 78e546c824fa8f96d323b7edd6f5cad5b74af057 upstream
This cannot be returned by KVM_GET_VCPU_EVENTS, so it is okay to return
EINVAL. It causes a WARN from exception_type:
WARNING: CPU: 3 PID: 16732 at arch/x86/kvm/x86.c:345
exception_type+0x49/0x50 [kvm]()
CPU: 3 PID: 16732 Comm: a.
From: Michael Ellerman
commit 84749a58b6e382f109abf1e734bc4dd43c2c25bb upstream.
This ensures the fallback flush area is always allocated on pseries,
so in case a LPAR is migrated from a patched to an unpatched system,
it is possible to enable the fallback flush in the target system.
Signed-off
From: Michael Ellerman
commit 274920a3ecd5f43af0cc380bc0a9ee73a52b9f8a upstream.
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
arch/powerpc/xmon/xmon.c |4
1 file changed, 4 insertions(+)
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2144,
From: Frank Sorenson
commit 652727bbe1b17993636346716ae5867627793647 upstream.
A path-based rename returning EBUSY will incorrectly try opening
the file with a cifs (NT Create AndX) operation on an smb2+ mount,
which causes the server to force a session close.
If the mount is smb2+, skip the fa
From: Jeff Layton
commit 76a495d666e5043ffc315695f8241f5e94a98849 upstream.
Take the d_lock here to ensure that d_name doesn't change.
Cc: sta...@vger.kernel.org
Signed-off-by: Jeff Layton
Reviewed-by: "Yan, Zheng"
Signed-off-by: Ilya Dryomov
Signed-off-by: Greg Kroah-Hartman
---
fs/ceph/
From: Michal Suchanek
commit cb3d6759a93c6d0aea1c10deb6d00e111c29c19c upstream.
Check what firmware told us and enable/disable the barrier_nospec as
appropriate.
We err on the side of enabling the barrier, as it's no-op on older
systems, see the comment for more detail.
Signed-off-by: Michael
From: Aurelien Jarno
commit 79b4a9cf0e2ea8203ce777c8d5cfa86c71eae86e upstream.
Commit 4c21b8fd8f14 (MIPS: seccomp: Handle indirect system calls (o32))
added indirect syscall detection for O32 processes running on MIPS64,
but it did not work correctly for big endian kernel/processes. The
reason i
From: Mauricio Faria de Oliveira
commit 0063d61ccfc011f379a31acaeba6de7c926fed2c upstream.
Currently the rfi-flush messages print 'Using flush' for all
enabled_flush_types, but that is not necessarily true -- as now the
fallback flush is always enabled on pseries, but the fixup function
overwri
From: Michal Suchanek
commit 815069ca57c142eb71d27439bc27f41a433a67b3 upstream.
Note that unlike RFI which is patched only in kernel the nospec state
reflects settings at the time the module was loaded.
Iterating all modules and re-patching every time the settings change
is not implemented.
Ba
From: Michael Ellerman
commit c4bc36628d7f8b664657d8bd6ad1c44c177880b7 upstream.
Add some additional values which have been defined for the
H_GET_CPU_CHARACTERISTICS hypercall.
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
arch/powerpc/include/asm/hvcall.h |3 +++
From: Michal Suchanek
commit 2eea7f067f495e33b8b116b35b5988ab2b8aec55 upstream.
Based on the RFI patching. This is required to be able to disable the
speculation barrier.
Only one barrier type is supported and it does nothing when the
firmware does not enable it. Also re-patching modules is not
From: Mauricio Faria de Oliveira
commit e7347a86830f38dc3e40c8f7e28c04412b12a2e7 upstream.
This moves the definition of the default security feature flags
(i.e., enabled by default) closer to the security feature flags.
This can be used to restore current flags to the default flags.
Signed-off
From: Yan, Zheng
commit 37659182bff1eeaaeadcfc8f853c6d2b6dbc3f47 upstream.
We missed two places that i_wrbuffer_ref_head, i_wr_ref, i_dirty_caps
and i_flushing_caps may change. When they are all zeros, we should free
i_head_snapc.
Cc: sta...@vger.kernel.org
Link: https://tracker.ceph.com/issues
From: Nicholas Piggin
commit a048a07d7f4535baa4cbad6bc024f175317ab938 upstream.
On some CPUs we can prevent a vulnerability related to store-to-load
forwarding by preventing store forwarding between privilege domains,
by inserting a barrier in kernel entry and exit paths.
This is known to be th
This is the start of the stable review cycle for the 4.4.180 release.
There are 266 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Fri 17 May 2019 09:04:49 AM UTC.
Anything re
From: Michael Ellerman
commit 501a78cbc17c329fabf8e9750a1e9ab810c88a0e upstream.
The recent LPM changes to setup_rfi_flush() are causing some section
mismatch warnings because we removed the __init annotation on
setup_rfi_flush():
The function setup_rfi_flush() references
the function __ini
From: Trond Myklebust
commit e6abc8caa6deb14be2a206253f7e1c5e37e9515b upstream.
If there are multiple callbacks queued, waiting for the callback
slot when the callback gets shut down, then they all currently
end up acting as if they hold the slot, and call
nfsd4_cb_sequence_done() resulting in i
From: Michael Ellerman
commit 77addf6e95c8689e478d607176b399a6242a777e upstream.
Now that we have feature flags for security related things, set or
clear them based on what we see in the device tree provided by
firmware.
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
a
From: Michael Ellerman
commit 6d44acae1937b81cf8115ada8958e04f601f3f2e upstream.
When I added the spectre_v2 information in sysfs, I included the
availability of the ori31 speculation barrier.
Although the ori31 barrier can be used to mitigate v2, it's primarily
intended as a spectre v1 mitigat
From: Diana Craciun
commit cf175dc315f90185128fb061dc05b6fbb211aa2f upstream.
The speculation barrier can be disabled from the command line
with the parameter: "nospectre_v1".
Signed-off-by: Diana Craciun
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
arch/powerpc/ker
From: Diana Craciun
commit 6453b532f2c8856a80381e6b9a1f5ea2f12294df upstream.
NXP Book3E platforms are not vulnerable to speculative store
bypass, so make the mitigations PPC_BOOK3S_64 specific.
Signed-off-by: Diana Craciun
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
--
From: Michael Ellerman
commit ddf35cf3764b5a182b178105f57515b42e2634f8 upstream.
Based on the x86 commit doing the same.
See commit 304ec1b05031 ("x86/uaccess: Use __uaccess_begin_nospec()
and uaccess_try_nospec") and b3bbfb3fb5d2 ("x86: Introduce
__uaccess_begin_nospec() and uaccess_try_nospec
From: Michael Ellerman
commit dc8c6cce9a26a51fc19961accb978217a3ba8c75 upstream.
Add security feature flags to indicate the need for software to flush
the count cache on context switch, and for the presence of a hardware
assisted count cache flush.
Signed-off-by: Michael Ellerman
Signed-off-by
From: Michael Ellerman
commit ee13cb249fabdff8b90aaff61add347749280087 upstream.
Some CPU revisions support a mode where the count cache needs to be
flushed by software on context switch. Additionally some revisions may
have a hardware accelerated flush, in which case the software flush
sequence
From: Michael Ellerman
commit 8ad33041563a10b34988800c682ada14b2612533 upstream.
This landed in setup_64.c for no good reason other than we had nowhere
else to put it. Now that we have a security-related file, that is a
better place for it so move it.
Signed-off-by: Michael Ellerman
Signed-off
From: Michael Ellerman
commit ff348355e9c72493947be337bb4fae4fc1a41eba upstream.
Now that we have the security feature flags we can make the
information displayed in the "meltdown" file more informative.
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
arch/powerpc/inclu
From: Michael Ellerman
commit 179ab1cbf883575c3a585bcfc0f2160f1d22a149 upstream.
Add a config symbol to encode which platforms support the
barrier_nospec speculation barrier. Currently this is just Book3S 64
but we will add Book3E in a future patch.
Signed-off-by: Diana Craciun
Signed-off-by:
From: Diana Craciun
commit 1cbf8990d79ff69da8ad09e8a3df014e1494462b upstream.
The BUCSR register can be used to invalidate the entries in the
branch prediction mechanisms.
Signed-off-by: Diana Craciun
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
arch/powerpc/include
From: Diana Craciun
commit ebcd1bfc33c7a90df941df68a6e5d4018c022fba upstream.
Implement the barrier_nospec as a isync;sync instruction sequence.
The implementation uses the infrastructure built for BOOK3S 64.
Signed-off-by: Diana Craciun
[mpe: Add PPC_INST_ISYNC for backport]
Signed-off-by: Mi
From: Michael Neuling
commit 51c3c62b58b357e8d35e4cc32f7b4ec907426fe3 upstream.
This stops us from doing code patching in init sections after they've
been freed.
In this chain:
kvm_guest_init() ->
kvm_use_magic_page() ->
fault_in_pages_readable() ->
__get_user() ->
From: Linus Torvalds
commit baf76f0c58aec435a3a864075b8f6d8ee5d1f17e upstream.
This way, slhc_free() accepts what slhc_init() returns, whether that is
an error or not.
In particular, the pattern in sl_alloc_bufs() is
slcomp = slhc_init(16, 16);
...
slhc_free(slcomp);
f
From: Xin Long
commit 2ac695d1d602ce00b12170242f58c3d3a8e36d04 upstream.
Syzbot found a crash:
BUG: KMSAN: uninit-value in tipc_nl_compat_name_table_dump+0x54f/0xcd0
net/tipc/netlink_compat.c:872
Call Trace:
tipc_nl_compat_name_table_dump+0x54f/0xcd0 net/tipc/netlink_compat.c:872
_
From: Christophe Leroy
commit 27da80719ef132cf8c80eb406d5aeb37dddf78cc upstream.
The commit identified below adds MC_BTB_FLUSH macro only when
CONFIG_PPC_FSL_BOOK3E is defined. This results in the following error
on some configs (seen several times with kisskb randconfig_defconfig)
arch/powerpc
From: Michael Ellerman
commit 9a868f634349e62922c226834aa23e3d1329ae7f upstream.
This commit adds security feature flags to reflect the settings we
receive from firmware regarding Spectre/Meltdown mitigations.
The feature names reflect the names we are given by firmware on bare
metal machines.
From: Michael Ellerman
commit 2e4a16161fcd324b1f9bf6cb6856529f7eaf0689 upstream.
Now that we have the security flags we can simplify the code in
pseries_setup_rfi_flush() because the security flags have pessimistic
defaults.
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
--
From: Diana Craciun
commit 039daac5526932ec731e4499613018d263af8b3e upstream.
Fixed the following build warning:
powerpc-linux-gnu-ld: warning: orphan section `__btb_flush_fixup' from
`arch/powerpc/kernel/head_44x.o' being placed in section
`__btb_flush_fixup'.
Signed-off-by: Diana Craciun
Sig
From: Michael Ellerman
commit 56986016cb8cd9050e601831fe89f332b4e3c46e upstream.
Add a definition for cpu_show_spectre_v1() to override the generic
version. Currently this just prints "Not affected" or "Vulnerable"
based on the firmware flag.
Although the kernel does have array_index_nospec() i
From: Vinod Koul
[ Upstream commit b561af36b1841088552464cdc3f6371d92f17710 ]
stmmac_check_ether_addr() checks the MAC address and assigns one in
driver open(). In many cases when we create slave netdevice, the dev
addr is inherited from master but the master dev addr maybe NULL at
that time, so
From: Diana Craciun
commit 7fef436295bf6c05effe682c8797dfcb0deb112a upstream.
In order to protect against speculation attacks on
indirect branches, the branch predictor is flushed at
kernel entry to protect for the following situations:
- userspace process attacking another userspace process
- u
From: Mauricio Faria de Oliveira
commit 0f9bdfe3c77091e8704d2e510eb7c2c2c6cde524 upstream.
The H_CPU_BEHAV_* flags should be checked for in the 'behaviour' field
of 'struct h_cpu_char_result' -- 'character' is for H_CPU_CHAR_*
flags.
Found by playing around with QEMU's implementation of the hyp
From: ZhangXiaoxu
[ Upstream commit 19fad20d15a6494f47f85d869f00b11343ee5c78 ]
There is a UBSAN report as below:
UBSAN: Undefined behaviour in net/ipv4/tcp_input.c:2877:56
signed integer overflow:
2147483647 * 1000 cannot be represented in type 'int'
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.1
From: Diana Craciun
commit e59f5bd759b7dee57593c5b6c0441609bda5d530 upstream.
Signed-off-by: Diana Craciun
Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
---
Documentation/kernel-parameters.txt |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Documentation/
From: Tetsuo Handa
commit 7c2bd9a39845bfb6d72ddb55ce737650271f6f96 upstream.
syzbot is reporting uninitialized value at rpc_sockaddr2uaddr() [1]. This
is because syzbot is setting AF_INET6 to "struct sockaddr_in"->sin_family
(which is embedded into user-visible "struct nfs_mount_data" structure)
[ Upstream commit 5bf7295fe34a5251b1d241b9736af4697b590670 ]
netdev_alloc_skb can fail and return a NULL pointer which is
dereferenced without a check. The patch avoids such a scenario.
Signed-off-by: Aditya Pakki
Signed-off-by: David S. Miller
Signed-off-by: Sasha Levin (Microsoft)
---
drive
[ Upstream commit 9d6a54c1430647355a5e23434881b2ca3d192b48 ]
The OUT endpoint normally blocks (NAK) subsequent packets when a
short packet was received and returns an incomplete queue entry to
the gadget driver. Thereby the gadget driver can detect a short packet
when reading queue entries with a
[ Upstream commit 536d3680fd2dab5c39857d62a3e084198fc74ff9 ]
The ks8851 driver lets the chip auto-dequeue received packets once they
have been read in full. It achieves that by setting the ADRFE flag in
the RXQCR register ("Auto-Dequeue RXQ Frame Enable").
However if allocation of a packet's sock
[ Upstream commit e166e4fdaced850bee3d5ee12a5740258fb30587 ]
Since Commit 21d1196a35f5 ("ipv4: set transport header earlier"),
skb->transport_header has been always set before entering INET
netfilter. This patch is to set skb->transport_header for bridge
before entering INET netfilter by bridge-nf
[ Upstream commit f1d3fba17cd4eeea20397f1324b7b9c69a6a935c ]
When a request must be dequeued with net2280_dequeue() e.g. due
to a device clear action and the same request is finished by the
function scan_dma_completions() then the function net2280_dequeue()
does not find the request in the followi
[ Upstream commit 032f85c9360fb1a08385c584c2c4ed114b33c260 ]
Increase the reset duration to ensure correct phy functionality. The
reset duration is taken from barebox commit 52fdd510de ("ARM: dts:
pfla02: use long enough reset for ethernet phy"):
Use a longer reset time for ethernet phy Micrel
[ Upstream commit fa3a419d2f674b431d38748cb58fb7da17ee8949 ]
The call to of_parse_phandle returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
Detected by coccinelle with the following warnings:
./drivers/net/ethernet/xilinx/xilinx_axienet_
[ Upstream commit d268f31552794abf5b6aa5af31021643411f25f5 ]
The ks8851 driver currently requests the IRQ before registering the
net_device. Because the net_device name is used as IRQ name and is
still "eth%d" when the IRQ is requested, it's impossibe to tell IRQs
apart if multiple ks8851 chips a
From: Florian Westphal
commit 7caa56f006e9d712b44f27b32520c66420d5cbc6 upstream.
It means userspace gave us a ruleset where there is some other
data after the ebtables target but before the beginning of the next rule.
Fixes: 81e675c227ec ("netfilter: ebtables: add CONFIG_COMPAT support")
Report
From: Xin Long
commit 8c63bf9ab4be8b83bd8c34aacfd2f1d2c8901c8a upstream.
A similar issue as fixed by Patch "tipc: check bearer name with right
length in tipc_nl_compat_bearer_enable" was also found by syzbot in
tipc_nl_compat_link_set().
The length to check with should be 'TLV_GET_DATA_LEN(msg-
From: Daniel Borkmann
commit f7bd9e36ee4a4ce38e1cddd7effe6c0d9943285b upstream.
Add a bpf_check_basics_ok() and reject filters that are of invalid
size much earlier, so we don't do any useless work such as invoking
bpf_prog_alloc(). Currently, rejection happens in bpf_check_classic()
only, but i
From: Xin Long
commit 6f07e5f06c8712acc423485f657799fc8e11e56c upstream.
Syzbot reported the following crash:
BUG: KMSAN: uninit-value in memchr+0xce/0x110 lib/string.c:961
memchr+0xce/0x110 lib/string.c:961
string_is_valid net/tipc/netlink_compat.c:176 [inline]
tipc_nl_compat_bearer_enab
From: Alexander Shishkin
commit 91d3f8a629849968dc91d6ce54f2d46abf4feb7f upstream.
Commit 9ed3f3c3 ("intel_th: Don't reference unassigned outputs")
fixes a NULL dereference for all masters except the last one ("256+"),
which keeps the stale pointer after the output driver had been unassigned
From: Greg Kroah-Hartman
This reverts commit b3f3107fbd928fed6e4fecbe3da2ed5f43216439 which is
commit 310ca162d779efee8a2dc3731439680f3e9c1e86 upstream.
Jan Kara has reported seeing problems with this patch applied, as has
Salvatore Bonaccorso, so let's drop it for now.
Reported-by: Salvatore B
[ Upstream commit 4fdcfab5b5537c21891e22e65996d4d0dd8ab4ca ]
free the symlink body after the same RCU delay we have for freeing the
struct inode itself, so that traversal during RCU pathwalk wouldn't step
into freed memory.
Signed-off-by: Al Viro
Signed-off-by: Sasha Levin
---
fs/jffs2/readino
From: Eric Dumazet
[ Upstream commit 20ff83f10f113c88d0bb74589389b05250994c16 ]
Before calling __ip_options_compile(), we need to ensure the network
header is a an IPv4 one, and that it is already pulled in skb->head.
RAW sockets going through a tunnel can end up calling ipv4_link_failure()
wit
[ Upstream commit fba1bdd2a9a93f3e2181ec1936a3c2f6b37e7ed6 ]
In case iscsi_lookup_endpoint fails, the fix returns -EINVAL to avoid NULL
pointer dereference.
Signed-off-by: Kangjie Lu
Acked-by: Manish Rangankar
Reviewed-by: Mukesh Ojha
Signed-off-by: Martin K. Petersen
Signed-off-by: Sasha Lev
[ Upstream commit 18bebc6dd3281955240062655a4df35eef2c46b3 ]
Bond expects ethernet hwaddr for its slave, but it can be longer than 6
bytes - infiniband interface for example.
# cat /sys/devices//net/ib0/address
80:00:02:08:fe:80:00:00:00:00:00:00:7c:fe:90:03:00:be:5d:e1
# cat /sys/devices//ne
From: Michael Chan
[ Upstream commit b4e30e8e7ea1d1e35ffd64ca46f7d9a7f227b4bf ]
The driver builds a list of multicast addresses and sends it to the
firmware when the driver's ndo_set_rx_mode() is called. In rare
cases, the firmware can fail this call if internal resources to
add multicast addre
[ Upstream commit f276e002793cdb820862e8ea8f76769d56bba575 ]
if platform_driver_register fails, cleanup the allocated resource
gracefully.
Signed-off-by: Mukesh Ojha
Signed-off-by: Greg Kroah-Hartman
Signed-off-by: Sasha Levin (Microsoft)
---
drivers/usb/host/u132-hcd.c | 3 +++
1 file change
[ Upstream commit dd08a8d9a66de4b54575c294a92630299f7e0fe7 ]
When CONFIG_VMAP_STACK=y, __pa() returns incorrect physical address for
a stack virtual address. Stack DMA buffers must be avoided.
Signed-off-by: raymond pang
Signed-off-by: Jens Axboe
Signed-off-by: Sasha Levin (Microsoft)
---
dri
[ Upstream commit 382e06d11e075a40b4094b6ef809f8d4bcc7ab2a ]
When the number of sub-channels offered by Hyper-V is >= the number of CPUs
in the VM, calculate the correct number of sub-channels. The current code
produces one too many.
This scenario arises only when the number of CPUs is artificia
From: Willem de Bruijn
[ Upstream commit 486efdc8f6ce802b27e15921d2353cc740c55451 ]
Packet sockets in datagram mode take a destination address. Verify its
length before passing to dev_hard_header.
Prior to 2.6.14-rc3, the send code ignored sll_halen. This is
established behavior. Directly compa
[ Upstream commit acb1ce15a61154aa501891d67ebf79bc9ea26818 ]
When the HNS driver loaded, always have an error print:
"netif_napi_add() called with weight 256"
This is because the kernel checks the NAPI polling weights
requested by drivers and it prints an error message if a driver
requests a weig
[ Upstream commit cd92d74d67c811dc22544430b9ac3029f5bd64c5 ]
clang warns about statically defined DMA masks from the DMA_BIT_MASK
macro with length 64:
arch/arm/plat-orion/common.c:625:29: error: shift count >= width of type
[-Werror,-Wshift-count-overflow]
.coherent_dma_mask
[ Upstream commit 47b16820c490149c2923e8474048f2c6e7557cab ]
If xace hardware reports a bad version number, the error handling code
in ace_setup() calls put_disk(), followed by queue cleanup. However, since
the disk data structure has the queue pointer set, put_disk() also
cleans and releases the
[ Upstream commit 882c5e552ffd06856de42261460f46e18319d259 ]
The DA9063AD doesn't support alarms on any seconds and its granularity is
the minute. Set uie_unsupported in that case.
Reported-by: Wolfram Sang
Reported-by: Geert Uytterhoeven
Reviewed-by: Wolfram Sang
Tested-by: Wolfram Sang
Acke
From: Jeremy Fertic
commit 10bfe7cc1739c22f0aa296b39e53f61e9e3f4d99 upstream.
With adt7516/7/9, internal vref is available for dacs a and b, dacs c and
d, or all dacs. The driver doesn't currently support internal vref for all
dacs. Change the else if to an if so both bits are checked rather tha
From: Anson Huang
commit bf2a7ca39fd3ab47ef71c621a7ee69d1813b1f97 upstream.
SNVS IRQ is requested before necessary driver data initialized,
if there is a pending IRQ during driver probe phase, kernel
NULL pointer panic will occur in IRQ handler. To avoid such
scenario, just initialize necessary
commit c409ca3be3c6ff3a1eeb303b191184e80d412862 upstream.
Backport of the upstream commit, which fixed c6688ef9f297.
c6688ef9f297 got backported as commit b6f826ba10dc, as the unavailable
function usb_endpoint_maxp_mult had to be replaced. The upstream commit
removed the call to this function, so
[ Upstream commit 583feb08e7f7ac9d533b446882eb3a54737a6dbb ]
When an event is programmed with attr.wakeup_events=N (N>0), it means
the caller is interested in getting a user level notification after
N samples have been recorded in the kernel sampling buffer.
With precise events on Intel processor
commit 8d29d16d21342a0c86405d46de0c4ac5daf1760f upstream
If a non zero value happens to be in xt[NFPROTO_BRIDGE].cur at init
time, the following panic can be caused by running
% ebtables -t broute -F BROUTING
from a 32-bit user level on a 64-bit kernel. This patch replaces
kmalloc_array with kca
From: Jason Yan
commit b90cd6f2b905905fb42671009dc0e27c310a16ae upstream.
When the lldd is processing the complete sas task in interrupt and set the
task stat as SAS_TASK_STATE_DONE, the smp timeout timer is able to be
triggered at the same time. And smp_task_timedout() will complete the task
wh
From: Alan Stern
commit c2b71462d294cf517a0bc6e4fd6424d7cee5596f upstream.
The syzkaller fuzzer reported a bug in the USB hub driver which turned
out to be caused by a negative runtime-PM usage counter. This allowed
a hub to be runtime suspended at a time when the driver did not expect
it. The
From: Alan Stern
commit c01c348ecdc66085e44912c97368809612231520 upstream.
Some drivers (such as the vub300 MMC driver) expect usb_string() to
return a properly NUL-terminated string, even when an error occurs.
(In fact, vub300's probe routine doesn't bother to check the return
code from usb_str
[ Upstream commit 3c677d206210f53a4be972211066c0f1cd47fe12 ]
The exlcusion range limit register needs to contain the
base-address of the last page that is part of the range, as
bits 0-11 of this register are treated as 0xfff by the
hardware for comparisons.
So correctly set the exclusion range in
From: Thinh Nguyen
commit 8d791929b2fbdf7734c1596d808e55cb457f4562 upstream.
The max possible value for DCTL.LPM_NYET_THRES is 15 and not 255. Change
the default value to 15.
Cc: sta...@vger.kernel.org
Fixes: 80caf7d21adc ("usb: dwc3: add lpm erratum support")
Signed-off-by: Thinh Nguyen
Signe
[ Upstream commit 59c39840f5abf4a71e1810a8da71aaccd6c17d26 ]
When irq_set_affinity_notifier() replaces the notifier, then the
reference count on the old notifier is dropped which causes it to be
freed. But nothing ensures that the old notifier is not longer queued
in the work list. If it is queued
From: Ondrej Mosnacek
commit a83d6ddaebe541570291205cb538e35ad4ff94f9 upstream.
In the SECURITY_FS_USE_MNTPOINT case we never want to allow relabeling
files/directories, so we should never set the SBLABEL_MNT flag. The
'special handling' in selinux_is_sblabel_mnt() is only intended for when
the
[ Upstream commit 15d82d22498784966df8e4696174a16b02cc1052 ]
When no alarm has been programmed on RSK-RZA1, an error message is
printed during boot:
rtc rtc0: invalid alarm value: 2019-03-14T255:255:255
sh_rtc_read_alarm_value() returns 0xff when querying a hardware alarm
field that is not e
[ Upstream commit 570f18b6a8d1f0e60e8caf30e66161b6438dcc91 ]
On HDaudio platforms, if playback is started when capture is working,
there is no audible output.
This can be root-caused to the use of the rx|tx_mask to store an HDaudio
stream tag.
If capture is stared before playback, rx_mask would
From: Alan Stern
commit ef61eb43ada6c1d6b94668f0f514e4c268093ff3 upstream.
The syzkaller USB fuzzer found a general-protection-fault bug in the
yurex driver. The fault occurs when a device has been unplugged; the
driver's interrupt-URB handler logs an error message referring to the
device by na
[ Upstream commit 0261ea1bd1eb0da5c0792a9119b8655cf33c80a3 ]
We can receive ICMP errors from client or from
tunneling real server. While the former can be
scheduled to real server, the latter should
not be scheduled, they are decapsulated only when
existing connection is found.
Fixes: 6044eeffafb
From: WANG Cong
commit 8651be8f14a12d24f203f283601d9b0418c389ff upstream.
Baozeng reported this deadlock case:
CPU0CPU1
lock([ 165.136033] sk_lock-AF_INET6);
lock([ 165.136033] rtnl_mutex);
[ Upstream commit 27b141fc234a3670d21bd742c35d7205d03cbb3a ]
clang points out that the return code from this function is
undefined for one of the error paths:
../drivers/s390/net/ctcm_main.c:1595:7: warning: variable 'result' is used
uninitialized whenever 'if' condition is true
[-Wsometim
From: Oliver Neukum
commit 3ae62a42090f1ed48e2313ed256a1182a85fb575 upstream.
This is the UAS version of
747668dbc061b3e62bc1982767a3a1f9815fcf0e
usb-storage: Set virt_boundary_mask to avoid SG overflows
We are not as likely to be vulnerable as storage, as it is unlikelier
that UAS is run over
From: Willem de Bruijn
[ Upstream commit 95c169251bf734aa555a1e8043e4d88ec97a04ec ]
A request for a flowlabel fails in process or user exclusive mode must
fail if the caller pid or uid does not match. Invert the test.
Previously, the test was unsafe wrt PID recycling, but indeed tested
for ineq
[ Upstream commit 62039b6aef63380ba7a37c113bbaeee8a55c5342 ]
When cancel_delayed_work() returns, the delayed work may still
be running. This means that the core could potentially free
the private structure (struct xadc) while the delayed work
is still using it. This is a potential use-after-free.
From: Nigel Croxon
commit 4f4fd7c5798bbdd5a03a60f6269cf1177fbd11ef upstream.
Changing state from check_state_check_result to
check_state_compute_result not only is unsafe but also doesn't
appear to serve a valid purpose. A raid6 check should only be
pushing out extra writes if doing repair and
From: Alistair Strachan
commit cd01544a268ad8ee5b1dfe42c4393f1095f86879 upstream.
Commit
379d98ddf413 ("x86: vdso: Use $LD instead of $CC to link")
accidentally broke unwinding from userspace, because ld would strip the
.eh_frame sections when linking.
Originally, the compiler would implici
From: Jiri Kosina
commit dbfe2953f63c640463c630746cd5d9de8b2f63ae upstream.
Currently, IBPB is only issued in cases when switching into a non-dumpable
process, the rationale being to protect such 'important and security
sensitive' processess (such as GPG) from data leaking into a different
users
[ Upstream commit 7975a1d6a7afeb3eb61c971a153d24dd8fa032f3 ]
According to HUTRR73 usages 0x79, 0x7a and 0x7c from the consumer page
correspond to Brightness Up/Down/Toggle keys, so let's add the mappings.
Signed-off-by: Dmitry Torokhov
Signed-off-by: Sasha Levin
---
drivers/hid/hid-input.c | 4
From: Xiaowei Bao
Add fspi node property for LS1028A SoC for FlexSPI driver.
Property added for the FlexSPI controller and for the connected
slave device for the LS1028ARDB and LS1028AQDS target.
This is having one SPI-NOR flash device, mt35xu02g connected at
CS0.
Signed-off-by: Xiaowei Bao
---
From: Jiri Kosina
commit bb4b3b7762735cdaba5a40fd94c9303d9ffa147a upstream.
If spectrev2 mitigation has been enabled, RSB is filled on context switch
in order to protect from various classes of spectrev2 attacks.
If this mitigation is enabled, say so in sysfs for spectrev2.
Signed-off-by: Jiri
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