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Author SHA1 Message Date
Mauro (mdrjr) Ribeiro
628dd0dff5 Merge tag 'v4.9.216' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.216 stable release
 2020-04-07 21:33:09 -03:00
Mauro (mdrjr) Ribeiro
2e7d8f2c65 Merge tag 'v4.9.215' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.215 stable release
 2020-04-07 21:32:59 -03:00
Mauro (mdrjr) Ribeiro
e0d4fea76c Merge tag 'v4.9.214' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.214 stable release
 2020-04-07 21:28:16 -03:00
Mauro (mdrjr) Ribeiro
e6b94853ef Merge tag 'v4.9.212' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.212 stable release
 2020-04-07 21:26:32 -03:00
Mauro (mdrjr) Ribeiro
61efa5745a Merge tag 'v4.9.208' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.208 stable release
 2020-04-07 21:21:16 -03:00
Mauro (mdrjr) Ribeiro
ef076b4c70 Merge tag 'v4.9.207' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.207 stable release
 2020-04-07 21:21:08 -03:00
Mauro (mdrjr) Ribeiro
2d3a85c598 Merge tag 'v4.9.204' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.204 stable release
 2020-04-07 21:18:07 -03:00
Mauro (mdrjr) Ribeiro
435b02176f Merge tag 'v4.9.203' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.203 stable release
 2020-04-07 21:15:12 -03:00
Mauro (mdrjr) Ribeiro
f725d19f5f Merge tag 'v4.9.202' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.202 stable release
 2020-04-07 21:15:01 -03:00
Mauro (mdrjr) Ribeiro
d84a44562e Merge tag 'v4.9.201' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.201 stable release
 2020-04-07 21:12:38 -03:00
Mauro (mdrjr) Ribeiro
3e8e8df48a Merge tag 'v4.9.195' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.195 stable release
 2020-04-07 20:23:21 -03:00
Mauro (mdrjr) Ribeiro
8a5e25aba0 Merge tag 'v4.9.194' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.194 stable release
 2020-04-07 20:20:25 -03:00
Mauro (mdrjr) Ribeiro
af9a3acb80 Merge tag 'v4.9.192' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.192 stable release
 2020-04-07 20:20:13 -03:00
Mauro (mdrjr) Ribeiro
c04371e0c4 Merge tag 'v4.9.191' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.191 stable release
 2020-04-07 20:20:04 -03:00
Mauro (mdrjr) Ribeiro
4199c257f6 Merge tag 'v4.9.189' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.189 stable release
 2020-04-07 20:16:11 -03:00
Mauro (mdrjr) Ribeiro
ca365bd32c Merge tag 'v4.9.188' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.188 stable release
 2020-04-07 20:10:31 -03:00
Mauro (mdrjr) Ribeiro
33417c4f2f Merge tag 'v4.9.187' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.187 stable release
 2020-04-07 20:10:04 -03:00
Mauro (mdrjr) Ribeiro
376539f57b Merge tag 'v4.9.186' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.186 stable release
 2020-04-07 20:09:36 -03:00
Mauro (mdrjr) Ribeiro
a0510d6c1b Merge tag 'v4.9.185' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.185 stable release
 2020-04-07 20:08:40 -03:00
Mauro (mdrjr) Ribeiro
52de765630 Merge tag 'v4.9.183' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.183 stable release
 2020-04-07 20:05:53 -03:00
Mauro (mdrjr) Ribeiro
a826960dce Merge tag 'v4.9.181' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.181 stable release
 2020-04-07 20:05:31 -03:00
Mauro (mdrjr) Ribeiro
90a697c7db Merge tag 'v4.9.180' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.180 stable release
 2020-04-07 15:18:33 -03:00
Mauro (mdrjr) Ribeiro
6f304aa404 Merge tag 'v4.9.178' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.178 stable release
 2020-04-07 15:14:15 -03:00
Mauro (mdrjr) Ribeiro
cf3b5c0a88 Merge tag 'v4.9.177' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.177 stable release
 2020-04-07 15:14:07 -03:00
Mauro (mdrjr) Ribeiro
acb513f17e Merge tag 'v4.9.176' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.176 stable release
 2020-04-07 15:11:50 -03:00
Mauro (mdrjr) Ribeiro
8889459f00 Merge tag 'v4.9.174' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.174 stable release
 2020-04-07 15:08:55 -03:00
Mauro (mdrjr) Ribeiro
634859121a Merge tag 'v4.9.171' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.171 stable release
 2020-04-07 15:05:21 -03:00
Mauro (mdrjr) Ribeiro
8faeb489b1 Merge tag 'v4.9.170' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.170 stable release
 2020-04-07 15:04:45 -03:00
Mauro (mdrjr) Ribeiro
572be8936c Merge tag 'v4.9.168' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.168 stable release
 2020-04-07 14:57:08 -03:00
Mauro (mdrjr) Ribeiro
e62b889e63 Merge tag 'v4.9.163' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.163 stable release
 2020-04-07 14:56:15 -03:00
Mauro (mdrjr) Ribeiro
1c35b80986 Merge tag 'v4.9.156' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.156 stable release
 2020-04-07 14:46:51 -03:00
Mauro (mdrjr) Ribeiro
f95d762cbe Merge tag 'v4.9.148' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.148 stable release
 2020-04-07 14:42:47 -03:00
Mauro (mdrjr) Ribeiro
8a9632c748 Merge tag 'v4.9.140' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.140 stable release
 2020-04-07 13:52:09 -03:00
Mauro (mdrjr) Ribeiro
f1c820333c Merge tag 'v4.9.137' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.137 stable release
 2020-04-07 13:40:22 -03:00
Mauro (mdrjr) Ribeiro
846bf292bf Merge tag 'v4.9.136' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.136 stable release
 2020-04-07 13:40:17 -03:00
Mauro (mdrjr) Ribeiro
5d0203a9a9 Merge tag 'v4.9.133' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.133 stable release
 2020-04-07 13:32:59 -03:00
Mauro (mdrjr) Ribeiro
e70755fb49 Merge tag 'v4.9.131' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.131 stable release
 2020-04-07 13:29:46 -03:00
Mauro (mdrjr) Ribeiro
22a70830a5 Merge tag 'v4.9.126' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.126 stable release
 2020-04-07 13:20:23 -03:00
Mauro (mdrjr) Ribeiro
bcd0914f11 Merge tag 'v4.9.125' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.125 stable release
 2020-04-07 13:20:06 -03:00
Mauro (mdrjr) Ribeiro
2d5a6919e5 Merge tag 'v4.9.121' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.121 stable release
 2020-04-07 11:11:19 -03:00
Mauro (mdrjr) Ribeiro
77b94557ac Merge tag 'v4.9.120' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.120 stable release
 2020-04-07 11:11:08 -03:00
Mauro (mdrjr) Ribeiro
e5a0a1f8cd Merge tag 'v4.9.115' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.115 stable release
 2020-04-06 22:31:40 -03:00
Mauro (mdrjr) Ribeiro
3835849be0 Merge tag 'v4.9.114' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y 
This is the 4.9.114 stable release
 2020-04-06 20:04:56 -03:00
Sean Christopherson
8305780a3e x86/pkeys: Manually set X86_FEATURE_OSPKE to preserve existing changes 
commit 735a6dd022 upstream.

Explicitly set X86_FEATURE_OSPKE via set_cpu_cap() instead of calling
get_cpu_cap() to pull the feature bit from CPUID after enabling CR4.PKE.
Invoking get_cpu_cap() effectively wipes out any {set,clear}_cpu_cap()
changes that were made between this_cpu->c_init() and setup_pku(), as
all non-synthetic feature words are reinitialized from the CPU's CPUID
values.

Blasting away capability updates manifests most visibility when running
on a VMX capable CPU, but with VMX disabled by BIOS.  To indicate that
VMX is disabled, init_ia32_feat_ctl() clears X86_FEATURE_VMX, using
clear_cpu_cap() instead of setup_clear_cpu_cap() so that KVM can report
which CPU is misconfigured (KVM needs to probe every CPU anyways).
Restoring X86_FEATURE_VMX from CPUID causes KVM to think VMX is enabled,
ultimately leading to an unexpected #GP when KVM attempts to do VMXON.

Arguably, init_ia32_feat_ctl() should use setup_clear_cpu_cap() and let
KVM figure out a different way to report the misconfigured CPU, but VMX
is not the only feature bit that is affected, i.e. there is precedent
that tweaking feature bits via {set,clear}_cpu_cap() after ->c_init()
is expected to work.  Most notably, x86_init_rdrand()'s clearing of
X86_FEATURE_RDRAND when RDRAND malfunctions is also overwritten.

Fixes: 0697694564 ("x86/mm/pkeys: Actually enable Memory Protection Keys in the CPU")
Reported-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Tested-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20200226231615.13664-1-sean.j.christopherson@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-03-11 07:53:12 +01:00
Thomas Gleixner
9d69b4a722 x86/mce/amd: Fix kobject lifetime 
commit 51dede9c05 upstream.

Accessing the MCA thresholding controls in sysfs concurrently with CPU
hotplug can lead to a couple of KASAN-reported issues:

  BUG: KASAN: use-after-free in sysfs_file_ops+0x155/0x180
  Read of size 8 at addr ffff888367578940 by task grep/4019

and

  BUG: KASAN: use-after-free in show_error_count+0x15c/0x180
  Read of size 2 at addr ffff888368a05514 by task grep/4454

for example. Both result from the fact that the threshold block
creation/teardown code frees the descriptor memory itself instead of
defining proper ->release function and leaving it to the driver core to
take care of that, after all sysfs accesses have completed.

Do that and get rid of the custom freeing code, fixing the above UAFs in
the process.

  [ bp: write commit message. ]

Fixes: 9526866439 ("[PATCH] x86_64: mce_amd support for family 0x10 processors")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200214082801.13836-1-bp@alien8.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-02-28 15:42:48 +01:00
Borislav Petkov
10be332289 x86/mce/amd: Publish the bank pointer only after setup has succeeded 
commit 6e5cf31fbe upstream.

threshold_create_bank() creates a bank descriptor per MCA error
thresholding counter which can be controlled over sysfs. It publishes
the pointer to that bank in a per-CPU variable and then goes on to
create additional thresholding blocks if the bank has such.

However, that creation of additional blocks in
allocate_threshold_blocks() can fail, leading to a use-after-free
through the per-CPU pointer.

Therefore, publish that pointer only after all blocks have been setup
successfully.

Fixes: 019f34fccf ("x86, MCE, AMD: Move shared bank to node descriptor")
Reported-by: Saar Amar <Saar.Amar@microsoft.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200128140846.phctkvx5btiexvbx@kili.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-02-28 15:42:47 +01:00
Arvind Sankar
a5f30925cc x86/sysfb: Fix check for bad VRAM size 
[ Upstream commit dacc909233 ]

When checking whether the reported lfb_size makes sense, the height
* stride result is page-aligned before seeing whether it exceeds the
reported size.

This doesn't work if height * stride is not an exact number of pages.
For example, as reported in the kernel bugzilla below, an 800x600x32 EFI
framebuffer gets skipped because of this.

Move the PAGE_ALIGN to after the check vs size.

Reported-by: Christopher Head <chead@chead.ca>
Tested-by: Christopher Head <chead@chead.ca>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206051
Link: https://lkml.kernel.org/r/20200107230410.2291947-1-nivedita@alum.mit.edu
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-02-28 15:42:21 +01:00
Pawan Gupta
09cc3fd97c x86/cpu: Update cached HLE state on write to TSX_CTRL_CPUID_CLEAR 
[ Upstream commit 5efc6fa904 ]

/proc/cpuinfo currently reports Hardware Lock Elision (HLE) feature to
be present on boot cpu even if it was disabled during the bootup. This
is because cpuinfo_x86->x86_capability HLE bit is not updated after TSX
state is changed via the new MSR IA32_TSX_CTRL.

Update the cached HLE bit also since it is expected to change after an
update to CPUID_CLEAR bit in MSR IA32_TSX_CTRL.

Fixes: 95c5824f75 ("x86/cpu: Add a "tsx=" cmdline option with TSX disabled by default")
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Neelima Krishnan <neelima.krishnan@intel.com>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/2529b99546294c893dfa1c89e2b3e46da3369a59.1578685425.git.pawan.kumar.gupta@linux.intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-02-14 16:30:58 -05:00
Thomas Gleixner
7e820c2d27 x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI 
[ Upstream commit 2591bc4e8d ]

apic->send_IPI_allbutself() takes a vector number as argument.

APIC_DM_NMI is clearly not a vector number. It's defined to 0x400 which is
outside the vector space.

Use NMI_VECTOR instead as that's what it is intended to be.

Fixes: 82da3ff89d ("x86: kgdb support")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20190722105218.855189979@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-01-29 10:24:29 +01:00
Jan H. Schönherr
f3a8d2c8ff x86/mce: Fix possibly incorrect severity calculation on AMD 
[ Upstream commit a3a57ddad0 ]

The function mce_severity_amd_smca() requires m->bank to be initialized
for correct operation. Fix the one case, where mce_severity() is called
without doing so.

Fixes: 6bda529ec4 ("x86/mce: Grade uncorrected errors for SMCA-enabled systems")
Fixes: d28af26faa ("x86/MCE: Initialize mce.bank in the case of a fatal error in mce_no_way_out()")
Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: <stable@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Cc: Yazen Ghannam <Yazen.Ghannam@amd.com>
Link: https://lkml.kernel.org/r/20191210000733.17979-4-jschoenh@amazon.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-01-04 13:41:04 +01:00