| Commit message (Collapse) | Author | Age |
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When doing the 4.9 merge into certain Android trees, I noticed a warning
from Android's deprecated GCC 4.9.4, which causes a build failure in
those trees due to basically -Werror:
fs/ecryptfs/keystore.c: In function 'ecryptfs_parse_packet_set':
fs/ecryptfs/keystore.c:1357:2: warning: 'auth_tok_list_item' may be used
uninitialized in this function [-Wmaybe-uninitialized]
memset(auth_tok_list_item, 0,
^
fs/ecryptfs/keystore.c:1260:38: note: 'auth_tok_list_item' was declared
here
struct ecryptfs_auth_tok_list_item *auth_tok_list_item;
^
GCC 9.2.0 was not able to pick up this warning when I tested it.
Turns out that Clang warns as well when -Wuninitialized is used, which
is not the case in older stable trees at the moment (but shows value in
potentially backporting the various warning fixes currently in upstream
to get more coverage).
fs/ecryptfs/keystore.c:1284:6: warning: variable 'auth_tok_list_item' is
used uninitialized whenever 'if' condition is true
[-Wsometimes-uninitialized]
if (data[(*packet_size)++] != ECRYPTFS_TAG_1_PACKET_TYPE) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/ecryptfs/keystore.c:1360:4: note: uninitialized use occurs here
auth_tok_list_item);
^~~~~~~~~~~~~~~~~~
fs/ecryptfs/keystore.c:1284:2: note: remove the 'if' if its condition is
always false
if (data[(*packet_size)++] != ECRYPTFS_TAG_1_PACKET_TYPE) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/ecryptfs/keystore.c:1260:56: note: initialize the variable
'auth_tok_list_item' to silence this warning
struct ecryptfs_auth_tok_list_item *auth_tok_list_item;
^
= NULL
1 warning generated.
Somehow, commit fe2e082f5da5 ("ecryptfs: fix a memory leak bug in
parse_tag_1_packet()") upstream was not applied in the correct if block
in 4.4.215, 4.9.215, and 4.14.172, which will indeed lead to use of
uninitialized memory. Fix it up by undoing the bad backport in those
trees then reapplying the patch in the proper location.
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9e661cedcc0a072d91a32cb88e0515ea26e35711 upstream.
The printout for txabrt is way too talkative and is highly annoying with
scanning programs like 'i2cdetect'. Reduce it to the minimum, the rest
can be gained by I2C core debugging and datasheet information. Also,
make it a debug printout, it won't help the regular user.
Fixes: ba92222ed63a ("i2c: jz4780: Add i2c bus controller driver for Ingenic JZ4780")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bef8e2dfceed6daeb6ca3e8d33f9c9d43b926580 upstream.
Pointer on the memory allocated by 'alloc_progmem()' is stored in
'v->load_addr'. So this is this memory that should be freed by
'release_progmem()'.
'release_progmem()' is only a call to 'kfree()'.
With the current code, there is both a double free and a memory leak.
Fix it by passing the correct pointer to 'release_progmem()'.
Fixes: e01402b115ccc ("More AP / SP bits for the 34K, the Malta bits and things. Still wants")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: ralf@linux-mips.org
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5c02c447eaeda29d3da121a2e17b97ccaf579b51 upstream.
Syzbot reports that "hiddev" is used after it's free in hiddev_disconnect().
The hiddev_disconnect() function sets "hiddev->exist = 0;" so
hiddev_release() can free it as soon as we drop the "existancelock"
lock. This patch moves the mutex_unlock(&hiddev->existancelock) until
after we have finished using it.
Reported-by: syzbot+784ccb935f9900cc7c9e@syzkaller.appspotmail.com
Fixes: 7f77897ef2b6 ("HID: hiddev: fix potential use-after-free")
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 84a4062632462c4320704fcdf8e99e89e94c0aba upstream.
We have a HID touch device that reports its opens and shorts test
results in HID buffers of size 8184 bytes. The maximum size of the HID
buffer is currently set to 4096 bytes, causing probe of this device to
fail. With this patch we increase the maximum size of the HID buffer to
8192 bytes, making device probe and acquisition of said buffers succeed.
Signed-off-by: Johan Korsnes <jkorsnes@cisco.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Armando Visconti <armando.visconti@st.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5ebdffd25098898aff1249ae2f7dbfddd76d8f8f upstream.
In case a report is greater than HID_MAX_BUFFER_SIZE, it is truncated,
but the report-number byte is not correctly handled. This results in a
off-by-one in the following memset, causing a kernel Oops and ensuing
system crash.
Note: With commit 8ec321e96e05 ("HID: Fix slab-out-of-bounds read in
hid_field_extract") I no longer hit the kernel Oops as we instead fail
"controlled" at probe if there is a report too long in the HID
report-descriptor. hid_report_raw_event() is an exported symbol, so
presumabely we cannot always rely on this being the case.
Fixes: 966922f26c7f ("HID: fix a crash in hid_report_raw_event()
function.")
Signed-off-by: Johan Korsnes <jkorsnes@cisco.com>
Cc: Armando Visconti <armando.visconti@st.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2ad3e17ebf94b7b7f3f64c050ff168f9915345eb upstream.
Commit 219ca39427bf ("audit: use union for audit_field values since
they are mutually exclusive") combined a number of separate fields in
the audit_field struct into a single union. Generally this worked
just fine because they are generally mutually exclusive.
Unfortunately in audit_data_to_entry() the overlap can be a problem
when a specific error case is triggered that causes the error path
code to attempt to cleanup an audit_field struct and the cleanup
involves attempting to free a stored LSM string (the lsm_str field).
Currently the code always has a non-NULL value in the
audit_field.lsm_str field as the top of the for-loop transfers a
value into audit_field.val (both .lsm_str and .val are part of the
same union); if audit_data_to_entry() fails and the audit_field
struct is specified to contain a LSM string, but the
audit_field.lsm_str has not yet been properly set, the error handling
code will attempt to free the bogus audit_field.lsm_str value that
was set with audit_field.val at the top of the for-loop.
This patch corrects this by ensuring that the audit_field.val is only
set when needed (it is cleared when the audit_field struct is
allocated with kcalloc()). It also corrects a few other issues to
ensure that in case of error the proper error code is returned.
Cc: stable@vger.kernel.org
Fixes: 219ca39427bf ("audit: use union for audit_field values since they are mutually exclusive")
Reported-by: syzbot+1f4d90ead370d72e450b@syzkaller.appspotmail.com
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 37b0b6b8b99c0e1c1f11abbe7cf49b6d03795b3f upstream.
If sbi->s_flex_groups_allocated is zero and the first allocation fails
then this code will crash. The problem is that "i--" will set "i" to
-1 but when we compare "i >= sbi->s_flex_groups_allocated" then the -1
is type promoted to unsigned and becomes UINT_MAX. Since UINT_MAX
is more than zero, the condition is true so we call kvfree(new_groups[-1]).
The loop will carry on freeing invalid memory until it crashes.
Fixes: 7c990728b99e ("ext4: fix potential race between s_flex_groups online resizing and access")
Reviewed-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20200228092142.7irbc44yaz3by7nb@kili.mountain
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8a9093c79863b58cc2f9874d7ae788f0d622a596 ]
tc flower rules that are based on src or dst port blocking are sometimes
ineffective due to uninitialized stack data. __skb_flow_dissect() extracts
ports from the skb for tc flower to match against. However, the port
dissection is not done when when the FLOW_DIS_IS_FRAGMENT bit is set in
key_control->flags. All callers of __skb_flow_dissect(), zero-out the
key_control field except for fl_classify() as used by the flower
classifier. Thus, the FLOW_DIS_IS_FRAGMENT may be set on entry to
__skb_flow_dissect(), since key_control is allocated on the stack
and may not be initialized.
Since key_basic and key_control are present for all flow keys, let's
make sure they are initialized.
Fixes: 62230715fd24 ("flow_dissector: do not dissect l4 ports for fragments")
Co-developed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jason Baron <jbaron@akamai.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 c3331d2fe3fd4d5e321f2467d01f72de7edfb5d0 ]
The PN544 driver checks the "enable" polarity during of driver's probe and
it's doing that by turning ON and OFF NFC with different polarities until
enabling succeeds. It takes some time for the hardware to power-down, and
thus, to deassert the IRQ that is raised by turning ON the hardware.
Since the delay after last power-down of the polarity-checking process is
missed in the code, the interrupt may trigger immediately after installing
the IRQ handler (right after the checking is done), which results in IRQ
handler trying to touch the disabled HW and ends with marking NFC as
'DEAD' during of the driver's probe:
pn544_hci_i2c 1-002a: NFC: nfc_en polarity : active high
pn544_hci_i2c 1-002a: NFC: invalid len byte
shdlc: llc_shdlc_recv_frame: NULL Frame -> link is dead
This patch fixes the occasional NFC initialization failure on Nexus 7
device.
Signed-off-by: Dmitry Osipenko <digetx@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 245709ec8be89af46ea7ef0444c9c80913999d99 ]
When T2 timer is to be stopped, the asoc should also be deleted,
otherwise, there will be no chance to call sctp_association_free
and the asoc could last in memory forever.
However, in sctp_sf_shutdown_sent_abort(), after adding the cmd
SCTP_CMD_TIMER_STOP for T2 timer, it may return error due to the
format error from __sctp_sf_do_9_1_abort() and miss adding
SCTP_CMD_ASSOC_FAILED where the asoc will be deleted.
This patch is to fix it by moving the format error check out of
__sctp_sf_do_9_1_abort(), and do it before adding the cmd
SCTP_CMD_TIMER_STOP for T2 timer.
Thanks Hangbin for reporting this issue by the fuzz testing.
v1->v2:
- improve the comment in the code as Marcelo's suggestion.
Fixes: 96ca468b86b0 ("sctp: check invalid value of length parameter in error cause")
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Xin Long <lucien.xin@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 e404b8c7cfb31654c9024d497cec58a501501692 ]
After commit 27596472473a ("ipv6: fix ECMP route replacement") it is no
longer possible to replace an ECMP-able route by a non ECMP-able route.
For example,
ip route add 2001:db8::1/128 via fe80::1 dev dummy0
ip route replace 2001:db8::1/128 dev dummy0
does not work as expected.
Tweak the replacement logic so that point 3 in the log of the above commit
becomes:
3. If the new route is not ECMP-able, and no matching non-ECMP-able route
exists, replace matching ECMP-able route (if any) or add the new route.
We can now summarize the entire replace semantics to:
When doing a replace, prefer replacing a matching route of the same
"ECMP-able-ness" as the replace argument. If there is no such candidate,
fallback to the first route found.
Fixes: 27596472473a ("ipv6: fix ECMP route replacement")
Signed-off-by: Benjamin Poirier <bpoirier@cumulusnetworks.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit afecdb376bd81d7e16578f0cfe82a1aec7ae18f3 ]
When splitting an RTA_MULTIPATH request into multiple routes and adding the
second and later components, we must not simply remove NLM_F_REPLACE but
instead replace it by NLM_F_CREATE. Otherwise, it may look like the netlink
message was malformed.
For example,
ip route add 2001:db8::1/128 dev dummy0
ip route change 2001:db8::1/128 nexthop via fe80::30:1 dev dummy0 \
nexthop via fe80::30:2 dev dummy0
results in the following warnings:
[ 1035.057019] IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
[ 1035.057517] IPv6: NLM_F_CREATE should be set when creating new route
This patch makes the nlmsg sequence look equivalent for __ip6_ins_rt() to
what it would get if the multipath route had been added in multiple netlink
operations:
ip route add 2001:db8::1/128 dev dummy0
ip route change 2001:db8::1/128 nexthop via fe80::30:1 dev dummy0
ip route append 2001:db8::1/128 nexthop via fe80::30:2 dev dummy0
Fixes: 27596472473a ("ipv6: fix ECMP route replacement")
Signed-off-by: Benjamin Poirier <bpoirier@cumulusnetworks.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6f08e98d62799e53c89dbf2c9a49d77e20ca648c upstream.
The mii management register in iproc mdio block
does not have a retention register so it is lost on suspend.
Save and restore value of register while resuming from suspend.
Fixes: bb1a619735b4 ("net: phy: Initialize mdio clock at probe function")
Signed-off-by: Arun Parameswaran <arun.parameswaran@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@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 540e585a79e9d643ede077b73bcc7aa2d7b4d919 ]
In 709772e6e06564ed94ba740de70185ac3d792773, RT_TABLE_COMPAT was added to
allow legacy software to deal with routing table numbers >= 256, but the
same change to FIB rule queries was overlooked.
Signed-off-by: Jethro Beekman <jethro@fortanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c3fee60908db4a8594f2e4a2131998384b8fa006 upstream.
The commit 97f5f0cd8cd0a0544 ("Input: implement SysRq as a separate input
handler") added pr_fmt() definition. It caused a duplicated message
prefix in the sysrq header messages, for example:
[ 177.053931] sysrq: SysRq : Show backtrace of all active CPUs
[ 742.864776] sysrq: SysRq : HELP : loglevel(0-9) reboot(b) crash(c)
Fixes: 97f5f0cd8cd0a05 ("Input: implement SysRq as a separate input handler")
Signed-off-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 075e1a0c50f59ea210561d0d0fedbd945615df78 upstream.
The sysrq header line is printed with an increased loglevel
to provide users some positive feedback.
The original loglevel is not restored when the sysrq operation
is disabled. This bug was introduced in 2.6.12 (pre-git-history)
by the commit ("Allow admin to enable only some of the Magic-Sysrq
functions").
Signed-off-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ea75080110a4c1fa011b0a73cb8f42227143ee3e ]
The nl80211_policy is missing for NL80211_ATTR_STATUS_CODE attribute.
As a result, for strictly validated commands, it's assumed to not be
supported.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Link: https://lore.kernel.org/r/20200213131608.10541-2-sergey.matyukevich.os@quantenna.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f52aa79df43c4509146140de0241bc21a4a3b4c7 ]
A number of the debug statements output file or directory mode
in hex. Change these to print using octal.
Signed-off-by: Frank Sorenson <sorenson@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bfb7bac3a8f47100ebe7961bd14e924c96e21ca7 ]
When preparing ethtool drvinfo, check if wiphy driver is defined
before dereferencing it. Driver may not exist, e.g. if wiphy is
attached to a virtual platform device.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Link: https://lore.kernel.org/r/20200203105644.28875-1-sergey.matyukevich.os@quantenna.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a04564c99bb4a92f805a58e56b2d22cc4978f152 ]
We only use the parsing CRC for checking if a beacon changed,
and elements with an ID > 63 cannot be represented in the
filter. Thus, like we did before with WMM and Cisco vendor
elements, just statically add these forgotten items to the
CRC:
- WLAN_EID_VHT_OPERATION
- WLAN_EID_OPMODE_NOTIF
I guess that in most cases when VHT/HE operation change, the HT
operation also changed, and so the change was picked up, but we
did notice that pure operating mode notification changes were
ignored.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20200131111300.891737-22-luca@coelho.fi
[restrict to VHT for the mac80211 branch]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6b8526d3abc02c08a2f888e8c20b7ac9e5776dfe ]
In error cases a NULL can be passed to memcpy. The length will always
be zero, so it doesn't really matter, but go ahead and check for NULL,
anyway, to be more precise and avoid static analysis errors.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit df3da4ea5a0fc5d115c90d5aa6caa4dd433750a7 ]
During an online resize an array of pointers to s_group_info gets replaced
so it can get enlarged. If there is a concurrent access to the array in
ext4_get_group_info() and this memory has been reused then this can lead to
an invalid memory access.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-3-tytso@mit.edu
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Balbir Singh <sblbir@amazon.com>
Cc: stable@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 7c990728b99ed6fbe9c75fc202fce1172d9916da upstream.
During an online resize an array of s_flex_groups structures gets replaced
so it can get enlarged. If there is a concurrent access to the array and
this memory has been reused then this can lead to an invalid memory access.
The s_flex_group array has been converted into an array of pointers rather
than an array of structures. This is to ensure that the information
contained in the structures cannot get out of sync during a resize due to
an accessor updating the value in the old structure after it has been
copied but before the array pointer is updated. Since the structures them-
selves are no longer copied but only the pointers to them this case is
mitigated.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-4-tytso@mit.edu
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.4.x
Cc: stable@kernel.org # 4.9.x
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 1d0c3924a92e69bfa91163bda83c12a994b4d106 upstream.
During an online resize an array of pointers to buffer heads gets
replaced so it can get enlarged. If there is a racing block
allocation or deallocation which uses the old array, and the old array
has gotten reused this can lead to a GPF or some other random kernel
memory getting modified.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-2-tytso@mit.edu
Reported-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.4.x
Cc: stable@kernel.org # 4.9.x
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8188a18ee2e48c9a7461139838048363bfce3fef upstream
We don't handle failures in the rb_allocator workqueue allocation
correctly. To fix that, move the code earlier so the cleanup is
easier and we don't have to undo all the interrupt allocations in
this case.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
[Ajay: Rewrote this patch for v4.4.y, as 4.4.y codebase is different from mainline]
Signed-off-by: Ajay Kaher <akaher@vmware.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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* We'll take the upstream fix
This reverts commit 8b04432318111ff1c65c51040a9d13350b940a21.
Change-Id: Ie71998bf61b7728cb4ce34729b492438364ac791
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https://source.codeaurora.org/quic/la/kernel/msm-4.4 into lineage-17.1-caf-msm8998
* tag 'LA.UM.8.4.r1-05300-8x98.0' of https://source.codeaurora.org/quic/la/kernel/msm-4.4:
drivers/misc: check if mute_sink is a valid function pointer
mdss: msm: hdmi: fix CEC broadcast loopback issue
mdss: msm: hdmi: use circular buffer for CEC rx
mdss: msm: hdmi: add CEC clear_logical_addr sysnode
fbdev: msm: hdmi: read CEC msg before clearing interrupt
msm: mdss: hdcp: synchronize HDCP1 qseecom commands
msm: mdss: hdcp: handle hdcp1 mutex properly
msm: mdss: hdcp: set hdcpsrm_supported flag correctly
msm: mdss: hdmi: reset deep_color before parsing EDID
msm: mdss: mdp: update CDM CSC coefficients during HDR playback
msm: mdss: hdmi: update colorimetry in AVI infoframe
msm: mdss: hdmi: parse E-EDID's COLORIMETRY data block
msm: mdss: hdmi: modify min_enc_level logic
msm: mdss: edid: conditionally set rgb_support for Y420 EDID modes
msm: mdss: hdmi: validate EDID modes against max refresh rate
msm: mdss: hdmi: set the output bitdepth
msm: mdss: edid: modify the extended data block's length check
msm: mdss: hdmi: handle wake_irq on suspend/resume
msm: mdss: hdmi: handle HPD disconnect event during suspend
msm: mdss: hdmi: set colorimetry info in AVI infoframe
msm: mdss: hdmi: set quantization range in AVI infoframe
msm: mdss: mdp: configure CSC_10 to set correct quantization range
msm: mdss: hdmi: check if given resolution is CE video format
msm: mdss: hdcp: read V' only for non-zero device count repeater
msm: mdss: hdmi: set max tmds clock rate correctly
msm: mdss: fb: fix panel reconfiguration check for format change
msm: mdss: mdp: do null commit during panel reconfiguration
msm: mdss: hdmi: modify HPD polarity change setup
msm: mdss: hdmi: check HDMI 1.4 VSDB length
msm: mdss: hdmi: set max TMDS clock rate
msm: mdss: hdmi: fix parsing Y420CMDB block of EDID
msm: mdss: hdmi: override default resolution after parsing EDID
msm: mdss: hdmi: fix HDMI panel reconfiguration issue
msm: mdss: hdmi: fix handoff if deep color is supported by TV
msm: mdss: hdmi: support only progressive DTDs
fbdev: msm: check for hdmi as primary
msm: mdss: hdmi: parse extended EDID block map
msm: mdss: hdmi: reset sink_caps before parsing EDID
ARM: msm: dts: add splash memory region for APQ8098
msm: mdss: hdmi: skip pan_display during handoff
net: ipc_router: Do not allow change of default security rule
mm-camera2:isp2: Notify dual cam drop
msm: mdss: mdp: fix parsing total number of displays
Change-Id: I17f2df832abc746d23f89670c9a5b0aeb5e6d625
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Change-Id: I317a1591937da32246b43651badc75c1cd9d2c5a
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Validate mute_sink function pointer before calling it.
Change-Id: I5dbe579e1e54ff1117482fca13f3984e0e7ee8b4
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
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A new logical address is searched and allocated when
HDMI hotplug interrupt happens. But there might be
pending broadcast messages which are being handled with
the old logical address, then the messages are received
back again causing loopback issue.
To fix this, abort CEC message sending if the message is
broadcasting and the sender's logical address is different
than the current logical address.
Change-Id: I26c487bac8749c9de81b176d611f1263eab0d9ad
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
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There's only one CEC message buffer which could be
overwritten if the next interrupt happens before
the workthread reads the buffer.
To resolve this, defined 4 circular buffers (practially
3 due to linux circular buffer limitation) to rotate
the buffer.
Since CEC is slow bus, 3 buffers should be enough
to avoid potential message overwriting.
Change-Id: I538c5902e95edb2231077c1c03a73f690ce68f1a
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
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When the logical address is cleared, CEC hal sets the logical
address to 15 but kernel cannot determine whether the logical
address is cleared or set to 15. To clearly detect that the
logical address is cleared, a new sysnode
"clear_logical_addr" is added.
If clear_logical_addr is set to 1, then kernel ignores
received CEC messages until it's reset to 0.
Change-Id: I517a3054c0816e774836767f3e0e47f92b395666
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
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Read CEC msg in ISR itself and then trigger work queue.
Change-Id: Ib40e544849e3b3338a412b9fa5ba737bfc13dad9
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
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Add splash region to handle continuous splash over
HDMI.
Change-Id: I827111ce1656fcd4bc3bc61232c2f81af3bef5eb
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
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HDCP driver tries to send two different HDCP1
commands concurrently which leads to XPU violation.
Synchronize HDCP1 qseecom command transfer calls.
Change-Id: I829cc9aff6589c0b816337946e6044bc9d450cc3
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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HDCP driver is returning without unlocking hdcp1_ta_cmd_lock
mutex. Unlock it and then return.
Change-Id: Ia2fa1c857516d6fbdd732a6cdbf71236950f88b2
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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If hdcp1 TA fails to load, set hdcpsrm_supported flag
to false instead of its default true value.
Change-Id: I9aa359afcb2fca6ef307dc8eeeb254b760313e8d
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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Reset previous EDID's deep_color value before parsing new EDID.
HDMI driver is already checking if sink supports deep color or
not using hdmi_tx_sink_dc_support function. Remove dc_support
check which is redundant.
Change-Id: I7b95310ba6c7451a86ba7a536a6d59b7f0c98edd
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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On HDR playback, update CDM CSC coefficients from Rec709 to
BT2020, so that RGB will be converted to YUV444 and then to
YUV420 in BT2020 colorspace.
Once HDR playback is done, reset CDM CSC coefficients to default
Rec709 values.
Change-Id: Ib3ab4fb61fc3392d76cf138cc4a20d4bc55ed016
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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On HDR stream playback, if sink supports BT2020 standard,
update colorimetry info of AVI infoframe to BT2020 standard.
On completion of HDR playback, update colorimetry back to
default value in AVI infoframe.
Change-Id: Icaa314a95d1a27e41bb85d02de4a3ad8bcf79212
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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As part of EDID parser, parse E-EDID's COLORIMETRY data block.
Change-Id: I37fb2a436e5c2520b3e0d0c7411047514aecfbcf
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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Now display HAL will call hdcp library's min_enc_level sysfs
entry instead of hdcp2p2's min_enc_level sysfs entry.
This will make sure hdcp lib to have better control on
content type transmission.
hdcp lib will notify hdcp2p2 driver regarding new encryption
level.
Change-Id: Ibf3c51f7f8ad7db2520a434308361c31379c4948
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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As part of Y420VDB, an EDID mode might have been already added to the
mode_list supporting only Y420 sampling mode. And later while parsing VDB
block, for such EDID modes, set rgb_support flag only if its TMDS clock
is within max TMDS clock.
Change-Id: Ieaa9e0fc82d1fd81f8ea07829da6c1b32ef6018a
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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Do not support EDID's DTD modes whose refresh rate is
greater than max supported refresh rate.
Change-Id: I9e5e5367d38b482fff210d35cad89455656d33fe
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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Maintain the correct output bit depth value if HDMI driver is
enabling HDMI output with deep color.
Change-Id: I8bf39fe2471c4857f54540235543ae74283bccf4
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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EDID parser is validating the minimum length of Extended data blocks
before parsing them. Current minimum length is 2 bytes but some
extended data block like Y420CMDB's length can be 1 data byte.
Modify the minimum length to 1 data byte.
Change-Id: Iecbfbfa216160a93101a8051cd1ddef5c0426e77
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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Enable wake_irq on device suspend to receive CEC/HPD
interrupts when device is in deep suspend state.
Disable wake_irq on device resume.
Change-Id: I058b4354c1690e23243107310bf9e3563cf2c16e
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
Signed-off-by: Ramendra Kumar <ramendra@codeaurora.org>
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