| Commit message (Collapse) | Author | Age |
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[ Upstream commit 844b85dda2f569943e1e018fdd63b6f7d1d6f08e ]
clang warns about an impossible condition when building with 32-bit
phys_addr_t:
arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
mem_end > KEYSTONE_HIGH_PHYS_END) {
~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare]
if (mem_start < KEYSTONE_HIGH_PHYS_START ||
~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~
Change the temporary variable to a fixed-size u64 to avoid the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Link: https://lore.kernel.org/r/20210323131814.2751750-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 46e152186cd89d940b26726fff11eb3f4935b45a ]
The copy_to_user() function returns the number of bytes remaining to be
copied, but we want to return -EFAULT if the copy doesn't complete.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 77335a040178a0456d4eabc8bf17a7ca3ee4a327 ]
Fix moving mmc devices with dts aliases as discussed on the lists.
Without this we now have internal eMMC mmc1 show up as mmc2 compared
to the earlier order of devices.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-02700-SDMxx0.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
f5978a07daf67 Merge 4.4.267 into android-4.4-p
Conflicts:
arch/alpha/include/asm/Kbuild
drivers/mmc/core/mmc.c
drivers/usb/gadget/configfs.c
Change-Id: I978d923e97c18f284edbd32c0c19ac70002f7d83
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Changes in 4.4.267
iio: hid-sensor-prox: Fix scale not correct issue
ALSA: aloop: Fix initialization of controls
nfc: fix refcount leak in llcp_sock_bind()
nfc: fix refcount leak in llcp_sock_connect()
nfc: fix memory leak in llcp_sock_connect()
nfc: Avoid endless loops caused by repeated llcp_sock_connect()
xen/evtchn: Change irq_info lock to raw_spinlock_t
net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh
ia64: fix user_stack_pointer() for ptrace()
fs: direct-io: fix missing sdio->boundary
parisc: parisc-agp requires SBA IOMMU driver
batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field
net: sched: sch_teql: fix null-pointer dereference
sch_red: fix off-by-one checks in red_check_params()
gianfar: Handle error code at MAC address change
net:tipc: Fix a double free in tipc_sk_mcast_rcv
clk: fix invalid usage of list cursor in unregister
workqueue: Move the position of debug_work_activate() in __queue_work()
s390/cpcmd: fix inline assembly register clobbering
RDMA/cxgb4: check for ipv6 address properly while destroying listener
clk: socfpga: fix iomem pointer cast on 64-bit
cfg80211: remove WARN_ON() in cfg80211_sme_connect
net: tun: set tun->dev->addr_len during TUNSETLINK processing
drivers: net: fix memory leak in atusb_probe
drivers: net: fix memory leak in peak_usb_create_dev
net: mac802154: Fix general protection fault
net: ieee802154: nl-mac: fix check on panid
net: ieee802154: fix nl802154 del llsec key
net: ieee802154: fix nl802154 del llsec dev
net: ieee802154: fix nl802154 add llsec key
net: ieee802154: fix nl802154 del llsec devkey
net: ieee802154: forbid monitor for set llsec params
net: ieee802154: forbid monitor for del llsec seclevel
net: ieee802154: stop dump llsec params for monitors
drm/imx: imx-ldb: fix out of bounds array access warning
netfilter: x_tables: fix compat match/target pad out-of-bound write
perf map: Tighten snprintf() string precision to pass gcc check on some 32-bit arches
xen/events: fix setting irq affinity
Linux 4.4.267
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I44849e85c0ceefb93e82ad6dac346bd4cd898eba
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[ Upstream commit 7a2f91441b2c1d81b77c1cd816a4659f4abc9cbe ]
Register variables initialized using arithmetic. That leads to
kasan instrumentaton code corrupting the registers contents.
Follow GCC guidlines and use temporary variables for assigning
init values to register variables.
Fixes: 94c12cc7d196 ("[S390] Inline assembly cleanup.")
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://gcc.gnu.org/onlinedocs/gcc-10.2.0/gcc/Local-Register-Variables.html
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 7ad1e366167837daeb93d0bacb57dee820b0b898 upstream.
ia64 has two stacks:
- memory stack (or stack), pointed at by by r12
- register backing store (register stack), pointed at by
ar.bsp/ar.bspstore with complications around dirty
register frame on CPU.
In [1] Dmitry noticed that PTRACE_GET_SYSCALL_INFO returns the register
stack instead memory stack.
The bug comes from the fact that user_stack_pointer() and
current_user_stack_pointer() don't return the same register:
ulong user_stack_pointer(struct pt_regs *regs) { return regs->ar_bspstore; }
#define current_user_stack_pointer() (current_pt_regs()->r12)
The change gets both back in sync.
I think ptrace(PTRACE_GET_SYSCALL_INFO) is the only affected user by
this bug on ia64.
The change fixes 'rt_sigreturn.gen.test' strace test where it was
observed initially.
Link: https://bugs.gentoo.org/769614 [1]
Link: https://lkml.kernel.org/r/20210331084447.2561532-1-slyfox@gentoo.org
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Reported-by: Dmitry V. Levin <ldv@altlinux.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: <stable@vger.kernel.org>
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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Changes in 4.4.266
net: pxa168_eth: Fix a potential data race in pxa168_eth_remove
mISDN: fix crash in fritzpci
mac80211: choose first enabled channel for monitor
x86/build: Turn off -fcf-protection for realmode targets
ia64: mca: allocate early mca with GFP_ATOMIC
cifs: revalidate mapping when we open files for SMB1 POSIX
cifs: Silently ignore unknown oplock break handle
bpf, x86: Validate computation of branch displacements for x86-64
ALSA: hda/realtek - Fix pincfg for Dell XPS 13 9370
mtd: rawnand: tmio: Fix the probe error path
mtd: rawnand: socrates: Fix the probe error path
mtd: rawnand: sharpsl: Fix the probe error path
mtd: rawnand: plat_nand: Fix the probe error path
mtd: rawnand: pasemi: Fix the probe error path
mtd: rawnand: orion: Fix the probe error path
mtd: rawnand: diskonchip: Fix the probe error path
tracing: Add a vmalloc_sync_mappings() for safe measure
init/Kconfig: make COMPILE_TEST depend on !UML
init/Kconfig: make COMPILE_TEST depend on !S390
init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM
can: flexcan: flexcan_chip_freeze(): fix chip freeze for missing bitrate
Linux 4.4.266
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I883b5323d84e86d2e3cefb8febdfa92c6e61c3fd
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commit e4d4d456436bfb2fe412ee2cd489f7658449b098 upstream.
The branch displacement logic in the BPF JIT compilers for x86 assumes
that, for any generated branch instruction, the distance cannot
increase between optimization passes.
But this assumption can be violated due to how the distances are
computed. Specifically, whenever a backward branch is processed in
do_jit(), the distance is computed by subtracting the positions in the
machine code from different optimization passes. This is because part
of addrs[] is already updated for the current optimization pass, before
the branch instruction is visited.
And so the optimizer can expand blocks of machine code in some cases.
This can confuse the optimizer logic, where it assumes that a fixed
point has been reached for all machine code blocks once the total
program size stops changing. And then the JIT compiler can output
abnormal machine code containing incorrect branch displacements.
To mitigate this issue, we assert that a fixed point is reached while
populating the output image. This rejects any problematic programs.
The issue affects both x86-32 and x86-64. We mitigate separately to
ease backporting.
Signed-off-by: Piotr Krysiuk <piotras@gmail.com>
Reviewed-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f2a419cf495f95cac49ea289318b833477e1a0e2 ]
The sleep warning happens at early boot right at secondary CPU
activation bootup:
smp: Bringing up secondary CPUs ...
BUG: sleeping function called from invalid context at mm/page_alloc.c:4942
in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.12.0-rc2-00007-g79e228d0b611-dirty #99
..
Call Trace:
show_stack+0x90/0xc0
dump_stack+0x150/0x1c0
___might_sleep+0x1c0/0x2a0
__might_sleep+0xa0/0x160
__alloc_pages_nodemask+0x1a0/0x600
alloc_page_interleave+0x30/0x1c0
alloc_pages_current+0x2c0/0x340
__get_free_pages+0x30/0xa0
ia64_mca_cpu_init+0x2d0/0x3a0
cpu_init+0x8b0/0x1440
start_secondary+0x60/0x700
start_ap+0x750/0x780
Fixed BSP b0 value from CPU 1
As I understand interrupts are not enabled yet and system has a lot of
memory. There is little chance to sleep and switch to GFP_ATOMIC should
be a no-op.
Link: https://lkml.kernel.org/r/20210315085045.204414-1-slyfox@gentoo.org
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9fcb51c14da2953de585c5c6e50697b8a6e91a7b ]
The new Ubuntu GCC packages turn on -fcf-protection globally,
which causes a build failure in the x86 realmode code:
cc1: error: ‘-fcf-protection’ is not compatible with this target
Turn it off explicitly on compilers that understand this option.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210323124846.1584944-1-arnd@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changes in 4.4.264
net: fec: ptp: avoid register access when ipg clock is disabled
powerpc/4xx: Fix build errors from mfdcr()
atm: eni: dont release is never initialized
atm: lanai: dont run lanai_dev_close if not open
net: tehuti: fix error return code in bdx_probe()
sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
NFS: Correct size calculation for create reply length
atm: uPD98402: fix incorrect allocation
atm: idt77252: fix null-ptr-dereference
u64_stats,lockdep: Fix u64_stats_init() vs lockdep
nfs: we don't support removing system.nfs4_acl
ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls
ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign
x86/tlb: Flush global mappings when KAISER is disabled
squashfs: fix inode lookup sanity checks
squashfs: fix xattr id and id lookup sanity checks
bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
macvlan: macvlan_count_rx() needs to be aware of preemption
net: dsa: bcm_sf2: Qualify phydev->dev_flags based on port
e1000e: add rtnl_lock() to e1000_reset_task
e1000e: Fix error handling in e1000_set_d0_lplu_state_82571
net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template
can: c_can_pci: c_can_pci_remove(): fix use-after-free
can: c_can: move runtime PM enable/disable to c_can_platform
can: m_can: m_can_do_rx_poll(): fix extraneous msg loss warning
mac80211: fix rate mask reset
net: cdc-phonet: fix data-interface release on probe failure
RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server
perf auxtrace: Fix auxtrace queue conflict
can: dev: Move device back to init netns on owning netns delete
net: sched: validate stab values
mac80211: fix double free in ibss_leave
xen-blkback: don't leak persistent grants from xen_blkbk_map()
Linux 4.4.264
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ia5e96dcf0093856869326d47098ca43a42a88b35
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Jim Mattson reported that Debian 9 guests using a 4.9-stable kernel
are exploding during alternatives patching:
kernel BUG at /build/linux-dqnRSc/linux-4.9.228/arch/x86/kernel/alternative.c:709!
invalid opcode: 0000 [#1] SMP
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.9.0-13-amd64 #1 Debian 4.9.228-1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
swap_entry_free
swap_entry_free
text_poke_bp
swap_entry_free
arch_jump_label_transform
set_debug_rodata
__jump_label_update
static_key_slow_inc
frontswap_register_ops
init_zswap
init_frontswap
do_one_initcall
set_debug_rodata
kernel_init_freeable
rest_init
kernel_init
ret_from_fork
triggering the BUG_ON in text_poke() which verifies whether patched
instruction bytes have actually landed at the destination.
Further debugging showed that the TLB flush before that check is
insufficient because there could be global mappings left in the TLB,
leading to a stale mapping getting used.
I say "global mappings" because the hardware configuration is a new one:
machine is an AMD, which means, KAISER/PTI doesn't need to be enabled
there, which also means there's no user/kernel pagetables split and
therefore the TLB can have global mappings.
And the configuration is new one for a second reason: because that AMD
machine supports PCID and INVPCID, which leads the CPU detection code to
set the synthetic X86_FEATURE_INVPCID_SINGLE flag.
Now, __native_flush_tlb_single() does invalidate global mappings when
X86_FEATURE_INVPCID_SINGLE is *not* set and returns.
When X86_FEATURE_INVPCID_SINGLE is set, however, it invalidates the
requested address from both PCIDs in the KAISER-enabled case. But if
KAISER is not enabled and the machine has global mappings in the TLB,
then those global mappings do not get invalidated, which would lead to
the above mismatch from using a stale TLB entry.
So make sure to flush those global mappings in the KAISER disabled case.
Co-debugged by Babu Moger <babu.moger@amd.com>.
Reported-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Tested-by: Jim Mattson <jmattson@google.com>
Link: https://lkml.kernel.org/r/CALMp9eRDSW66%2BXvbHVF4ohL7XhThoPoT0BrB0TcS0cgk=dkcBg@mail.gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 61bf318eac2c13356f7bd1c6a05421ef504ccc8a ]
In https://bugs.gentoo.org/769614 Dmitry noticed that
`ptrace(PTRACE_GET_SYSCALL_INFO)` does not return error sign properly.
The bug is in mismatch between get/set errors:
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r10 == -1 ? regs->r8:0;
}
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r8;
}
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
if (error) {
/* error < 0, but ia64 uses > 0 return value */
regs->r8 = -error;
regs->r10 = -1;
} else {
regs->r8 = val;
regs->r10 = 0;
}
}
Tested on v5.10 on rx3600 machine (ia64 9040 CPU).
Link: https://lkml.kernel.org/r/20210221002554.333076-2-slyfox@gentoo.org
Link: https://bugs.gentoo.org/769614
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Reported-by: Dmitry V. Levin <ldv@altlinux.org>
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0ceb1ace4a2778e34a5414e5349712ae4dc41d85 ]
In https://bugs.gentoo.org/769614 Dmitry noticed that
`ptrace(PTRACE_GET_SYSCALL_INFO)` does not work for syscalls called via
glibc's syscall() wrapper.
ia64 has two ways to call syscalls from userspace: via `break` and via
`eps` instructions.
The difference is in stack layout:
1. `eps` creates simple stack frame: no locals, in{0..7} == out{0..8}
2. `break` uses userspace stack frame: may be locals (glibc provides
one), in{0..7} == out{0..8}.
Both work fine in syscall handling cde itself.
But `ptrace(PTRACE_GET_SYSCALL_INFO)` uses unwind mechanism to
re-extract syscall arguments but it does not account for locals.
The change always skips locals registers. It should not change `eps`
path as kernel's handler already enforces locals=0 and fixes `break`.
Tested on v5.10 on rx3600 machine (ia64 9040 CPU).
Link: https://lkml.kernel.org/r/20210221002554.333076-1-slyfox@gentoo.org
Link: https://bugs.gentoo.org/769614
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Reported-by: Dmitry V. Levin <ldv@altlinux.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit eead089311f4d935ab5d1d8fbb0c42ad44699ada ]
lkp reported a build error in fsp2.o:
CC arch/powerpc/platforms/44x/fsp2.o
{standard input}:577: Error: unsupported relocation against base
Which comes from:
pr_err("GESR0: 0x%08x\n", mfdcr(base + PLB4OPB_GESR0));
Where our mfdcr() macro is stringifying "base + PLB4OPB_GESR0", and
passing that to the assembler, which obviously doesn't work.
The mfdcr() macro already checks that the argument is constant using
__builtin_constant_p(), and if not calls the out-of-line version of
mfdcr(). But in this case GCC is smart enough to notice that "base +
PLB4OPB_GESR0" will be constant, even though it's not something we can
immediately stringify into a register number.
Segher pointed out that passing the register number to the inline asm
as a constant would be better, and in fact it fixes the build error,
presumably because it gives GCC a chance to resolve the value.
While we're at it, change mtdcr() similarly.
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Feng Tang <feng.tang@intel.com>
Link: https://lore.kernel.org/r/20210218123058.748882-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changes in 4.4.263
ext4: handle error of ext4_setup_system_zone() on remount
ext4: don't allow overlapping system zones
ext4: check journal inode extents more carefully
platform/chrome: cros_ec_dev - Fix security issue
btrfs: fix race when cloning extent buffer during rewind of an old root
NFSD: Repair misuse of sv_lock in 5.10.16-rt30.
scsi: lpfc: Fix some error codes in debugfs
USB: replace hardcode maximum usb string length by definition
usb: gadget: configfs: Fix KASAN use-after-free
PCI: rpadlpar: Fix potential drc_name corruption in store functions
x86/ioapic: Ignore IRQ2 again
ext4: find old entry again if failed to rename whiteout
ext4: fix potential error in ext4_do_update_inode
genirq: Disable interrupts for force threaded handlers
Linux 4.4.263
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2f08b8f294218dd5ef2df6f13ca83f43a8728a28
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commit a501b048a95b79e1e34f03cac3c87ff1e9f229ad upstream.
Vitaly ran into an issue with hotplugging CPU0 on an Amazon instance where
the matrix allocator claimed to be out of vectors. He analyzed it down to
the point that IRQ2, the PIC cascade interrupt, which is supposed to be not
ever routed to the IO/APIC ended up having an interrupt vector assigned
which got moved during unplug of CPU0.
The underlying issue is that IRQ2 for various reasons (see commit
af174783b925 ("x86: I/O APIC: Never configure IRQ2" for details) is treated
as a reserved system vector by the vector core code and is not accounted as
a regular vector. The Amazon BIOS has an routing entry of pin2 to IRQ2
which causes the IO/APIC setup to claim that interrupt which is granted by
the vector domain because there is no sanity check. As a consequence the
allocation counter of CPU0 underflows which causes a subsequent unplug to
fail with:
[ ... ] CPU 0 has 4294967295 vectors, 589 available. Cannot disable CPU
There is another sanity check missing in the matrix allocator, but the
underlying root cause is that the IO/APIC code lost the IRQ2 ignore logic
during the conversion to irqdomains.
For almost 6 years nobody complained about this wreckage, which might
indicate that this requirement could be lifted, but for any system which
actually has a PIC IRQ2 is unusable by design so any routing entry has no
effect and the interrupt cannot be connected to a device anyway.
Due to that and due to history biased paranoia reasons restore the IRQ2
ignore logic and treat it as non existent despite a routing entry claiming
otherwise.
Fixes: d32932d02e18 ("x86/irq: Convert IOAPIC to use hierarchical irqdomain interfaces")
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210318192819.636943062@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.262
uapi: nfnetlink_cthelper.h: fix userspace compilation error
ath9k: fix transmitting to stations in dynamic SMPS mode
net: Fix gro aggregation for udp encaps with zero csum
can: skb: can_skb_set_owner(): fix ref counting if socket was closed before setting skb ownership
can: flexcan: assert FRZ bit in flexcan_chip_freeze()
can: flexcan: enable RX FIFO after FRZ/HALT valid
netfilter: x_tables: gpf inside xt_find_revision()
cifs: return proper error code in statfs(2)
floppy: fix lock_fdc() signal handling
Revert "mm, slub: consider rest of partial list if acquire_slab() fails"
futex: Change locking rules
futex: Cure exit race
futex: fix dead code in attach_to_pi_owner()
net/mlx4_en: update moderation when config reset
net: lapbether: Remove netif_start_queue / netif_stop_queue
net: davicom: Fix regulator not turned off on failed probe
net: davicom: Fix regulator not turned off on driver removal
media: usbtv: Fix deadlock on suspend
mmc: mxs-mmc: Fix a resource leak in an error handling path in 'mxs_mmc_probe()'
mmc: mediatek: fix race condition between msdc_request_timeout and irq
powerpc/perf: Record counter overflow always if SAMPLE_IP is unset
PCI: xgene-msi: Fix race in installing chained irq handler
s390/smp: __smp_rescan_cpus() - move cpumask away from stack
scsi: libiscsi: Fix iscsi_prep_scsi_cmd_pdu() error handling
ALSA: hda/hdmi: Cancel pending works before suspend
ALSA: hda: Avoid spurious unsol event handling during S3/S4
ALSA: usb-audio: Fix "cannot get freq eq" errors on Dell AE515 sound bar
s390/dasd: fix hanging DASD driver unbind
mmc: core: Fix partition switch time for eMMC
scripts/recordmcount.{c,pl}: support -ffunction-sections .text.* section names
libertas: fix a potential NULL pointer dereference
Goodix Fingerprint device is not a modem
usb: gadget: f_uac2: always increase endpoint max_packet_size by one audio slot
usb: renesas_usbhs: Clear PIPECFG for re-enabling pipe with other EPNUM
xhci: Improve detection of device initiated wake signal.
USB: serial: io_edgeport: fix memory leak in edge_startup
USB: serial: ch341: add new Product ID
USB: serial: cp210x: add ID for Acuity Brands nLight Air Adapter
USB: serial: cp210x: add some more GE USB IDs
usbip: fix stub_dev to check for stream socket
usbip: fix vhci_hcd to check for stream socket
usbip: fix stub_dev usbip_sockfd_store() races leading to gpf
staging: rtl8192u: fix ->ssid overflow in r8192_wx_set_scan()
staging: rtl8188eu: prevent ->ssid overflow in rtw_wx_set_scan()
staging: rtl8712: unterminated string leads to read overflow
staging: rtl8188eu: fix potential memory corruption in rtw_check_beacon_data()
staging: rtl8712: Fix possible buffer overflow in r8712_sitesurvey_cmd
staging: rtl8192e: Fix possible buffer overflow in _rtl92e_wx_set_scan
staging: comedi: addi_apci_1032: Fix endian problem for COS sample
staging: comedi: addi_apci_1500: Fix endian problem for command sample
staging: comedi: adv_pci1710: Fix endian problem for AI command data
staging: comedi: das6402: Fix endian problem for AI command data
staging: comedi: das800: Fix endian problem for AI command data
staging: comedi: dmm32at: Fix endian problem for AI command data
staging: comedi: me4000: Fix endian problem for AI command data
staging: comedi: pcl711: Fix endian problem for AI command data
staging: comedi: pcl818: Fix endian problem for AI command data
NFSv4.2: fix return value of _nfs4_get_security_label()
block: rsxx: fix error return code of rsxx_pci_probe()
alpha: add $(src)/ rather than $(obj)/ to make source file path
alpha: merge build rules of division routines
alpha: make short build log available for division routines
alpha: Package string routines together
alpha: move exports to actual definitions
alpha: get rid of tail-zeroing in __copy_user()
alpha: switch __copy_user() and __do_clean_user() to normal calling conventions
powerpc/64s: Fix instruction encoding for lis in ppc_function_entry()
media: hdpvr: Fix an error handling path in hdpvr_probe()
KVM: arm64: Fix exclusive limit for IPA size
iio: imu: adis16400: release allocated memory on failure
iio: imu: adis16400: fix memory leak
xen/events: reset affinity of 2-level event when tearing it down
xen/events: don't unmask an event channel when an eoi is pending
xen/events: avoid handling the same event on two cpus at the same time
Linux 4.4.262
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0200586dffb4dee7db8d50887a87d6a8d9650b5a
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Commit 262b003d059c6671601a19057e9fe1a5e7f23722 upstream.
When registering a memslot, we check the size and location of that
memslot against the IPA size to ensure that we can provide guest
access to the whole of the memory.
Unfortunately, this check rejects memslot that end-up at the exact
limit of the addressing capability for a given IPA size. For example,
it refuses the creation of a 2GB memslot at 0x8000000 with a 32bit
IPA space.
Fix it by relaxing the check to accept a memslot reaching the
limit of the IPA space.
Fixes: c3058d5da222 ("arm/arm64: KVM: Ensure memslots are within KVM_PHYS_SIZE")
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org # 4.4, 4.9
Reviewed-by: Andrew Jones <drjones@redhat.com>
Link: https://lore.kernel.org/r/20210311100016.3830038-3-maz@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit cea15316ceee2d4a51dfdecd79e08a438135416c upstream.
'lis r2,N' is 'addis r2,0,N' and the instruction encoding in the macro
LIS_R2 is incorrect (it currently maps to 'addis r0,r2,N'). Fix the
same.
Fixes: c71b7eff426f ("powerpc: Add ABIv2 support to ppc_function_entry")
Cc: stable@vger.kernel.org # v3.16+
Reported-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210304020411.16796-1-naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8525023121de4848b5f0a7d867ffeadbc477774d upstream.
They used to need odd calling conventions due to old exception handling
mechanism, the last remnants of which had disappeared back in 2002.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 085354f907969fb3ee33f236368f6e1dd4c74d62 upstream.
... and adjust copy_from_user() accordingly
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 00fc0e0dda6286407f3854cd71a125f519a5689c upstream.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4758ce82e66711b1a4557577e30a5f9b88d4a4b5 upstream.
There are direct branches between {str*cpy,str*cat} and stx*cpy.
Ensure the branches are within range by merging these objects.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3eec0291830e4c28d09f73bab247f3b59172022b upstream.
This enables the Kbuild standard log style as follows:
AS arch/alpha/lib/__divlu.o
AS arch/alpha/lib/__divqu.o
AS arch/alpha/lib/__remlu.o
AS arch/alpha/lib/__remqu.o
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e19a4e3f1bffe45b8e2ea67fcfb0c9c88278c4cc upstream.
These four objects are generated by the same build rule, with
different compile options. The build rules can be merged.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5ed78e5523fd9ba77b8444d380d54da1f88c53fc upstream.
$(ev6-y)divide.S is a source file, not a build-time generated file.
So, it should be prefixed with $(src)/ rather than $(obj)/.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 62c8dca9e194326802b43c60763f856d782b225c ]
Avoid a potentially large stack frame and overflow by making
"cpumask_t avail" a static variable. There is no concurrent
access due to the existing locking.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d137845c973147a22622cc76c7b0bc16f6206323 ]
While sampling for marked events, currently we record the sample only
if the SIAR valid bit of Sampled Instruction Event Register (SIER) is
set. SIAR_VALID bit is used for fetching the instruction address from
Sampled Instruction Address Register(SIAR). But there are some
usecases, where the user is interested only in the PMU stats at each
counter overflow and the exact IP of the overflow event is not
required. Dropping SIAR invalid samples will fail to record some of
the counter overflows in such cases.
Example of such usecase is dumping the PMU stats (event counts) after
some regular amount of instructions/events from the userspace (ex: via
ptrace). Here counter overflow is indicated to userspace via signal
handler, and captured by monitoring and enabling I/O signaling on the
event file descriptor. In these cases, we expect to get
sample/overflow indication after each specified sample_period.
Perf event attribute will not have PERF_SAMPLE_IP set in the
sample_type if exact IP of the overflow event is not requested. So
while profiling if SAMPLE_IP is not set, just record the counter
overflow irrespective of SIAR_VALID check.
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
[mpe: Reflow comment and if formatting]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1612516492-1428-1-git-send-email-atrajeev@linux.vnet.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-02700-SDMxx0.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
58bc8e0469d08 Merge 4.4.261 into android-4.4-p
Conflicts:
drivers/block/zram/zram_drv.c
drivers/block/zram/zram_drv.h
mm/zsmalloc.c
Change-Id: I451bffa685eaaea04938bc6d0b8e3f4bb0f869e9
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Changes in 4.4.260
futex: Ensure the correct return value from futex_lock_pi()
net: usb: qmi_wwan: support ZTE P685M modem
iwlwifi: pcie: fix to correct null check
mmc: sdhci-esdhc-imx: fix kernel panic when remove module
scripts: use pkg-config to locate libcrypto
scripts: set proper OpenSSL include dir also for sign-file
hugetlb: fix update_and_free_page contig page struct assumption
JFS: more checks for invalid superblock
xfs: Fix assert failure in xfs_setattr_size()
net: fix up truesize of cloned skb in skb_prepare_for_shift()
mm/hugetlb.c: fix unnecessary address expansion of pmd sharing
staging: fwserial: Fix error handling in fwserial_create
x86/reboot: Add Zotac ZBOX CI327 nano PCI reboot quirk
vt/consolemap: do font sum unsigned
wlcore: Fix command execute failure 19 for wl12xx
pktgen: fix misuse of BUG_ON() in pktgen_thread_worker()
ath10k: fix wmi mgmt tx queue full due to race condition
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data
staging: most: sound: add sanity check for function argument
media: uvcvideo: Allow entities with no pads
scsi: iscsi: Restrict sessions and handles to admin capabilities
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE
scsi: iscsi: Verify lengths on passthrough PDUs
Xen/gnttab: handle p2m update errors on a per-slot basis
xen-netback: respect gnttab_map_refs()'s return value
zsmalloc: account the number of compacted pages correctly
swap: fix swapfile read/write offset
media: v4l: ioctl: Fix memory leak in video_usercopy
Linux 4.4.260
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ic12a2f4dc153baf99cb1716d41b4dd6024ad4317
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commit 8310b77b48c5558c140e7a57a702e7819e62f04e upstream.
Bailing immediately from set_foreign_p2m_mapping() upon a p2m updating
error leaves the full batch in an ambiguous state as far as the caller
is concerned. Instead flags respective slots as bad, unmapping what
was mapped there right away.
HYPERVISOR_grant_table_op()'s return value and the individual unmap
slots' status fields get used only for a one-time - there's not much we
can do in case of a failure.
Note that there's no GNTST_enomem or alike, so GNTST_general_error gets
used.
The map ops' handle fields get overwritten just to be on the safe side.
This is part of XSA-367.
Cc: <stable@vger.kernel.org>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/96cccf5d-e756-5f53-b91a-ea269bfb9be0@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit bb73d07148c405c293e576b40af37737faf23a6a ]
This is similar to commit
b21ebf2fb4cd ("x86: Treat R_X86_64_PLT32 as R_X86_64_PC32")
but for i386. As far as the kernel is concerned, R_386_PLT32 can be
treated the same as R_386_PC32.
R_386_PLT32/R_X86_64_PLT32 are PC-relative relocation types which
can only be used by branches. If the referenced symbol is defined
externally, a PLT will be used.
R_386_PC32/R_X86_64_PC32 are PC-relative relocation types which can be
used by address taking operations and branches. If the referenced symbol
is defined externally, a copy relocation/canonical PLT entry will be
created in the executable.
On x86-64, there is no PIC vs non-PIC PLT distinction and an
R_X86_64_PLT32 relocation is produced for both `call/jmp foo` and
`call/jmp foo@PLT` with newer (2018) GNU as/LLVM integrated assembler.
This avoids canonical PLT entries (st_shndx=0, st_value!=0).
On i386, there are 2 types of PLTs, PIC and non-PIC. Currently,
the GCC/GNU as convention is to use R_386_PC32 for non-PIC PLT and
R_386_PLT32 for PIC PLT. Copy relocations/canonical PLT entries
are possible ABI issues but GCC/GNU as will likely keep the status
quo because (1) the ABI is legacy (2) the change will drop a GNU
ld diagnostic for non-default visibility ifunc in shared objects.
clang-12 -fno-pic (since [1]) can emit R_386_PLT32 for compiler
generated function declarations, because preventing canonical PLT
entries is weighed over the rare ifunc diagnostic.
Further info for the more interested:
https://github.com/ClangBuiltLinux/linux/issues/1210
https://sourceware.org/bugzilla/show_bug.cgi?id=27169
https://github.com/llvm/llvm-project/commit/a084c0388e2a59b9556f2de0083333232da3f1d6 [1]
[ bp: Massage commit message. ]
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Fangrui Song <maskray@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Link: https://lkml.kernel.org/r/20210127205600.1227437-1-maskray@google.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4b2d8ca9208be636b30e924b1cbcb267b0740c93 ]
On this system the M.2 PCIe WiFi card isn't detected after reboot, only
after cold boot. reboot=pci fixes this behavior. In [0] the same issue
is described, although on another system and with another Intel WiFi
card. In case it's relevant, both systems have Celeron CPUs.
Add a PCI reboot quirk on affected systems until a more generic fix is
available.
[0] https://bugzilla.kernel.org/show_bug.cgi?id=202399
[ bp: Massage commit message. ]
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/1524eafd-f89c-cfa4-ed70-0bde9e45eec9@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changes in 4.4.259
HID: make arrays usage and value to be the same
usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
xen-netback: delete NAPI instance when queue fails to initialize
ntfs: check for valid standard information attribute
igb: Remove incorrect "unexpected SYS WRAP" log message
scripts/recordmcount.pl: support big endian for ARCH sh
kdb: Make memory allocations more robust
MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section
Bluetooth: Fix initializing response id after clearing struct
ARM: dts: exynos: correct PMIC interrupt trigger level on Spring
ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa
Bluetooth: drop HCI device reference before return
Bluetooth: Put HCI device if inquiry procedure interrupts
usb: dwc2: Abort transaction after errors with unknown reason
usb: dwc2: Make "trimming xfer length" a debug message
ARM: s3c: fix fiq for clang IAS
bnxt_en: reverse order of TX disable and carrier off
xen/netback: fix spurious event detection for common event case
b43: N-PHY: Fix the update of coef for the PHY revision >= 3case
fbdev: aty: SPARC64 requires FB_ATY_CT
drm/gma500: Fix error return code in psb_driver_load()
gma500: clean up error handling in init
MIPS: c-r4k: Fix section mismatch for loongson2_sc_init
MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0
media: media/pci: Fix memleak in empress_init
media: tm6000: Fix memleak in tm6000_start_stream
ASoC: cs42l56: fix up error handling in probe
media: lmedm04: Fix misuse of comma
media: cx25821: Fix a bug when reallocating some dma memory
media: uvcvideo: Accept invalid bFormatIndex and bFrameIndex values
btrfs: clarify error returns values in __load_free_space_cache
fs/jfs: fix potential integer overflow on shift of a int
jffs2: fix use after free in jffs2_sum_write_data()
clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL
HID: core: detect and skip invalid inputs to snto32()
dmaengine: fsldma: Fix a resource leak in the remove function
dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
regulator: axp20x: Fix reference cout leak
isofs: release buffer head before return
IB/umad: Return EIO in case of when device disassociated
powerpc/47x: Disable 256k page size
mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe
ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
amba: Fix resource leak for drivers without .remove
tracepoint: Do not fail unregistering a probe due to memory failure
mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
powerpc/pseries/dlpar: handle ibm, configure-connector delay status
perf intel-pt: Fix missing CYC processing in PSB
perf test: Fix unaligned access in sample parsing test
Input: elo - fix an error code in elo_connect()
sparc64: only select COMPAT_BINFMT_ELF if BINFMT_ELF is set
misc: eeprom_93xx46: Fix module alias to enable module autoprobe
misc: eeprom_93xx46: Add module alias to avoid breaking support for non device tree users
VMCI: Use set_page_dirty_lock() when unregistering guest memory
PCI: Align checking of syscall user config accessors
mm/memory.c: fix potential pte_unmap_unlock pte error
mm/hugetlb: fix potential double free in hugetlb_register_node() error path
i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition
scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
blk-settings: align max_sectors on "logical_block_size" boundary
Input: xpad - add support for PowerA Enhanced Wired Controller for Xbox Series X|S
Input: joydev - prevent potential read overflow in ioctl
Input: i8042 - add ASUS Zenbook Flip to noselftest list
USB: serial: option: update interface mapping for ZTE P685M
USB: serial: mos7840: fix error code in mos7840_write()
USB: serial: mos7720: fix error code in mos7720_write()
usb: dwc3: gadget: Fix setting of DEPCFG.bInterval_m1
usb: dwc3: gadget: Fix dep->interval for fullspeed interrupt
KEYS: trusted: Fix migratable=1 failing
btrfs: fix reloc root leak with 0 ref reloc roots on recovery
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
staging: rtl8188eu: Add Edimax EW-7811UN V2 to device table
x86/reboot: Force all cpus to exit VMX root if VMX is supported
floppy: reintroduce O_NDELAY fix
mm: hugetlb: fix a race between freeing and dissolving the page
usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt_pop()
libnvdimm/dimm: Avoid race between probe and available_slots_show()
module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
gpio: pcf857x: Fix missing first interrupt
f2fs: fix out-of-repair __setattr_copy()
sparc32: fix a user-triggerable oops in clear_user()
gfs2: Don't skip dlm unlock if glock has an lvb
dm era: Recover committed writeset after crash
dm era: Verify the data block size hasn't changed
dm era: Fix bitset memory leaks
dm era: Use correct value size in equality function of writeset tree
dm era: Reinitialize bitset cache before digesting a new writeset
dm era: only resize metadata in preresume
futex: Fix OWNER_DEAD fixup
dm era: Update in-core bitset after committing the metadata
Linux 4.4.259
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9105f90e1b63990a4db7a241f6568c14ca8fe8b2
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commit 7780918b36489f0b2f9a3749d7be00c2ceaec513 upstream.
Back in 2.1.29 the clear_user() guts (__bzero()) had been merged
with memset(). Unfortunately, while all exception handlers had been
copied, one of the exception table entries got lost. As the result,
clear_user() starting at 128*n bytes before the end of page and
spanning between 8 and 127 bytes into the next page would oops when
the second page is unmapped. It's trivial to reproduce - all
it takes is
main()
{
int fd = open("/dev/zero", O_RDONLY);
char *p = mmap(NULL, 16384, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANON, -1, 0);
munmap(p + 8192, 8192);
read(fd, p + 8192 - 128, 192);
}
which had been oopsing since March 1997. Says something about
the quality of test coverage... ;-/ And while today sparc32 port
is nearly dead, back in '97 it had been very much alive; in fact,
sparc64 had only been in mainline for 3 months by that point...
Cc: stable@kernel.org
Fixes: v2.1.29
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ed72736183c45a413a8d6974dd04be90f514cb6b upstream.
Force all CPUs to do VMXOFF (via NMI shootdown) during an emergency
reboot if VMX is _supported_, as VMX being off on the current CPU does
not prevent other CPUs from being in VMX root (post-VMXON). This fixes
a bug where a crash/panic reboot could leave other CPUs in VMX root and
prevent them from being woken via INIT-SIPI-SIPI in the new kernel.
Fixes: d176720d34c7 ("x86: disable VMX on all CPUs on reboot")
Cc: stable@vger.kernel.org
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: David P. Reed <dpreed@deepplum.com>
[sean: reworked changelog and further tweaked comment]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20201231002702.2223707-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 233bde21aa43516baa013ef7ac33f3427056db3e upstream.
It happens often while I'm preparing a patch for a block driver that
I'm wondering: is a definition of SECTOR_SIZE and/or SECTOR_SHIFT
available for this driver? Do I have to introduce definitions of these
constants before I can use these constants? To avoid this confusion,
move the existing definitions of SECTOR_SIZE and SECTOR_SHIFT into the
<linux/blkdev.h> header file such that these become available for all
block drivers. Make the SECTOR_SIZE definition in the uapi msdos_fs.h
header file conditional to avoid that including that header file after
<linux/blkdev.h> causes the compiler to complain about a SECTOR_SIZE
redefinition.
Note: the SECTOR_SIZE / SECTOR_SHIFT / SECTOR_BITS definitions have
not been removed from uapi header files nor from NAND drivers in
which these constants are used for another purpose than converting
block layer offsets and sizes into a number of sectors.
Cc: David S. Miller <davem@davemloft.net>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 80bddf5c93a99e11fc9faf7e4b575d01cecd45d3 ]
Currently COMPAT on SPARC64 selects COMPAT_BINFMT_ELF unconditionally,
even when BINFMT_ELF is not enabled. This causes a kconfig warning.
Instead, just select COMPAT_BINFMT_ELF if BINFMT_ELF is enabled.
This builds cleanly with no kconfig warnings.
WARNING: unmet direct dependencies detected for COMPAT_BINFMT_ELF
Depends on [n]: COMPAT [=y] && BINFMT_ELF [=n]
Selected by [y]:
- COMPAT [=y] && SPARC64 [=y]
Fixes: 26b4c912185a ("sparc,sparc64: unify Kconfig files")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 768d70e19ba525debd571b36e6d0ab19956c63d7 ]
dlpar_configure_connector() has two problems in its handling of
ibm,configure-connector's return status:
1. When the status is -2 (busy, call again), we call
ibm,configure-connector again immediately without checking whether
to schedule, which can result in monopolizing the CPU.
2. Extended delay status (9900..9905) goes completely unhandled,
causing the configuration to unnecessarily terminate.
Fix both of these issues by using rtas_busy_delay().
Fixes: ab519a011caa ("powerpc/pseries: Kernel DLPAR Infrastructure")
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210107025900.410369-1-nathanl@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2acb909750431030b65a0a2a17fd8afcbd813a84 ]
It was observed that decompressor running on hardware implementing ARM v8.2
Load/Store Multiple Atomicity and Ordering Control (LSMAOC), say, as guest,
would stuck just after:
Uncompressing Linux... done, booting the kernel.
The reason is that it clears nTLSMD bit when disabling caches:
nTLSMD, bit [3]
When ARMv8.2-LSMAOC is implemented:
No Trap Load Multiple and Store Multiple to
Device-nGRE/Device-nGnRE/Device-nGnRnE memory.
0b0 All memory accesses by A32 and T32 Load Multiple and Store
Multiple at EL1 or EL0 that are marked at stage 1 as
Device-nGRE/Device-nGnRE/Device-nGnRnE memory are trapped and
generate a stage 1 Alignment fault.
0b1 All memory accesses by A32 and T32 Load Multiple and Store
Multiple at EL1 or EL0 that are marked at stage 1 as
Device-nGRE/Device-nGnRE/Device-nGnRnE memory are not trapped.
This bit is permitted to be cached in a TLB.
This field resets to 1.
Otherwise:
Reserved, RES1
So as effect we start getting traps we are not quite ready for.
Looking into history it seems that mask used for SCTLR clear came from
the similar code for ARMv4, where bit[3] is the enable/disable bit for
the write buffer. That not applicable to ARMv7 and onwards, so retire
that bit from the masks.
Fixes: 7d09e85448dfa78e3e58186c934449aaf6d49b50 ("[ARM] 4393/2: ARMv7: Add uncompressing code for the new CPU Id format")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 910a0cb6d259736a0c86e795d4c2f42af8d0d775 ]
PPC47x_TLBE_SIZE isn't defined for 256k pages, leading to a build
break if 256k pages is selected.
So change the kconfig so that 256k pages can't be selected for 47x.
Fixes: e7f75ad01d59 ("powerpc/47x: Base ppc476 support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Expand change log to mention build break]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2fed79b1154c872194f98bac4422c23918325e61.1611128938.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c6f2a9e17b9bef7677caddb1626c2402f3e9d2bd ]
When building xway_defconfig with clang:
arch/mips/lantiq/irq.c:305:48: error: use of logical '&&' with constant
operand [-Werror,-Wconstant-logical-operand]
if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT)
^ ~~~~~~~~~~~~~~~~~
arch/mips/lantiq/irq.c:305:48: note: use '&' for a bitwise operation
if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT)
^~
&
arch/mips/lantiq/irq.c:305:48: note: remove constant to silence this
warning
if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT)
~^~~~~~~~~~~~~~~~~~~~
1 error generated.
Explicitly compare the constant LTQ_EBU_PCC_ISTAT against 0 to fix the
warning. Additionally, remove the unnecessary parentheses as this is a
simple conditional statement and shorthand '== 0' to '!'.
Fixes: 3645da0276ae ("OF: MIPS: lantiq: implement irq_domain support")
Link: https://github.com/ClangBuiltLinux/linux/issues/807
Reported-by: Dmitry Golovin <dima@golovin.in>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c58734eee6a2151ba033c0dcb31902c89e310374 ]
When building with clang, the following section mismatch warning occurs:
WARNING: modpost: vmlinux.o(.text+0x24490): Section mismatch in
reference from the function r4k_cache_init() to the function
.init.text:loongson2_sc_init()
This should have been fixed with commit ad4fddef5f23 ("mips: fix Section
mismatch in reference") but it was missed. Remove the improper __init
annotation like that commit did.
Fixes: 078a55fc824c ("MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code")
Link: https://github.com/ClangBuiltLinux/linux/issues/787
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1ac8893c4fa3d4a34915dc5cdab568a39db5086c ]
The Samsung PMIC datasheets describe the interrupt line as active low
with a requirement of acknowledge from the CPU. The falling edge
interrupt will mostly work but it's not correct.
Fixes: 1fed2252713e ("ARM: dts: fix pinctrl for s2mps11-irq on exynos5420-arndale-octa")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20201210212903.216728-5-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 77e6a5467cb8657cf8b5e610a30a4c502085e4f9 ]
The Samsung PMIC datasheets describe the interrupt line as active low
with a requirement of acknowledge from the CPU. Without specifying the
interrupt type in Devicetree, kernel might apply some fixed
configuration, not necessarily working for this hardware.
Fixes: 53dd4138bb0a ("ARM: dts: Add exynos5250-spring device tree")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212903.216728-4-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8ac7c87acdcac156670f9920c8acbd84308ff4b1 upstream.
MIPS uses its own declaration of rwdata, and thus it should be kept
in sync with the asm-generic one. Currently PAGE_ALIGNED_DATA() is
missing from the linker script, which emits the following ld
warnings:
mips-alpine-linux-musl-ld: warning: orphan section
`.data..page_aligned' from `arch/mips/kernel/vdso.o' being placed
in section `.data..page_aligned'
mips-alpine-linux-musl-ld: warning: orphan section
`.data..page_aligned' from `arch/mips/vdso/vdso-image.o' being placed
in section `.data..page_aligned'
Add the necessary declaration, so the mentioned structures will be
placed in vmlinux as intended:
ffffffff80630580 D __end_once
ffffffff80630580 D __start___dyndbg
ffffffff80630580 D __start_once
ffffffff80630580 D __stop___dyndbg
ffffffff80634000 d mips_vdso_data
ffffffff80638000 d vdso_data
ffffffff80638580 D _gp
ffffffff8063c000 T __init_begin
ffffffff8063c000 D _edata
ffffffff8063c000 T _sinittext
->
ffffffff805a4000 D __end_init_task
ffffffff805a4000 D __nosave_begin
ffffffff805a4000 D __nosave_end
ffffffff805a4000 d mips_vdso_data
ffffffff805a8000 d vdso_data
ffffffff805ac000 D mmlist_lock
ffffffff805ac080 D tasklist_lock
Fixes: ebb5e78cc634 ("MIPS: Initial implementation of a VDSO")
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: stable@vger.kernel.org # 4.4+
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-02500-SDMxx0.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
4fd124d1546d8 Merge 4.4.258 into android-4.4-p
Change-Id: Idbae7489bc1d831a378dd60993f46139e5e28c4c
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Changes in 4.4.258
tracing: Do not count ftrace events in top level enable output
fgraph: Initialize tracing_graph_pause at task creation
af_key: relax availability checks for skb size calculation
iwlwifi: pcie: add a NULL check in iwl_pcie_txq_unmap
iwlwifi: mvm: guard against device removal in reprobe
SUNRPC: Move simple_get_bytes and simple_get_netobj into private header
SUNRPC: Handle 0 length opaque XDR object data properly
lib/string: Add strscpy_pad() function
include/trace/events/writeback.h: fix -Wstringop-truncation warnings
memcg: fix a crash in wb_workfn when a device disappears
squashfs: add more sanity checks in id lookup
squashfs: add more sanity checks in inode lookup
squashfs: add more sanity checks in xattr id lookup
memblock: do not start bottom-up allocations with kernel_end
netfilter: xt_recent: Fix attempt to update deleted entry
h8300: fix PREEMPTION build, TI_PRE_COUNT undefined
usb: dwc3: ulpi: fix checkpatch warning
usb: dwc3: ulpi: Replace CPU-based busyloop with Protocol-based one
net: watchdog: hold device global xmit lock during tx disable
vsock: fix locking in vsock_shutdown()
x86/build: Disable CET instrumentation in the kernel for 32-bit too
trace: Use -mcount-record for dynamic ftrace
tracing: Fix SKIP_STACK_VALIDATION=1 build due to bad merge with -mrecord-mcount
tracing: Avoid calling cc-option -mrecord-mcount for every Makefile
Xen/x86: don't bail early from clear_foreign_p2m_mapping()
Xen/x86: also check kernel mapping in set_foreign_p2m_mapping()
Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages()
Xen/gntdev: correct error checking in gntdev_map_grant_pages()
xen/arm: don't ignore return errors from set_phys_to_machine
xen-blkback: don't "handle" error by BUG()
xen-netback: don't "handle" error by BUG()
xen-scsiback: don't "handle" error by BUG()
xen-blkback: fix error handling in xen_blkbk_map()
scsi: qla2xxx: Fix crash during driver load on big endian machines
kvm: check tlbs_dirty directly
Linux 4.4.258
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie1125773ccbc457f93c639c420dedf2c38a5e65a
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