1. 03 Feb, 2019 5 commits
    • Linus Torvalds's avatar
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 24b888d8
      Linus Torvalds authored
      Pull x86 fixes from Thomas Gleixner:
       "A few updates for x86:
      
         - Fix an unintended sign extension issue in the fault handling code
      
         - Rename the new resource control config switch so it's less
           confusing
      
         - Avoid setting up EFI info in kexec when the EFI runtime is
           disabled.
      
         - Fix the microcode version check in the AMD microcode loader so it
           only loads higher version numbers and never downgrades
      
         - Set EFER.LME in the 32bit trampoline before returning to long mode
           to handle older AMD/KVM behaviour properly.
      
         - Add Darren and Andy as x86/platform reviewers"
      
      * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/resctrl: Avoid confusion over the new X86_RESCTRL config
        x86/kexec: Don't setup EFI info if EFI runtime is not enabled
        x86/microcode/amd: Don't falsely trick the late loading mechanism
        MAINTAINERS: Add Andy and Darren as arch/x86/platform/ reviewers
        x86/fault: Fix sign-extend unintended sign extension
        x86/boot/compressed/64: Set EFER.LME=1 in 32-bit trampoline before returning to long mode
        x86/cpu: Add Atom Tremont (Jacobsville)
      24b888d8
    • Linus Torvalds's avatar
      Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · cc6810e3
      Linus Torvalds authored
      Pull cpu hotplug fixes from Thomas Gleixner:
       "Two fixes for the cpu hotplug machinery:
      
         - Replace the overly clever 'SMT disabled by BIOS' detection logic as
           it breaks KVM scenarios and prevents speculation control updates
           when the Hyperthreads are brought online late after boot.
      
         - Remove a redundant invocation of the speculation control update
           function"
      
      * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM
        x86/speculation: Remove redundant arch_smt_update() invocation
      cc6810e3
    • Linus Torvalds's avatar
      Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 58f6d428
      Linus Torvalds authored
      Pull perf fixes from Thomas Gleixner:
       "A pile of perf updates:
      
         - Fix broken sanity check in the /proc/sys/kernel/perf_cpu_time_max_percent
           write handler
      
         - Cure a perf script crash which caused by an unitinialized data
           structure
      
         - Highlight the hottest instruction in perf top and not a random one
      
         - Cure yet another clang issue when building perf python
      
         - Handle topology entries with no CPU correctly in the tools
      
         - Handle perf data which contains both tracepoints and performance
           counter entries correctly.
      
         - Add a missing NULL pointer check in perf ordered_events_free()"
      
      * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        perf script: Fix crash when processing recorded stat data
        perf top: Fix wrong hottest instruction highlighted
        perf tools: Handle TOPOLOGY headers with no CPU
        perf python: Remove -fstack-clash-protection when building with some clang versions
        perf core: Fix perf_proc_update_handler() bug
        perf script: Fix crash with printing mixed trace point and other events
        perf ordered_events: Fix crash in ordered_events__free
      58f6d428
    • Linus Torvalds's avatar
      Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 89401be6
      Linus Torvalds authored
      Pull EFI fix from Thomas Gleixner:
       "The dump info for the efi page table debugging lacks a terminator
        which causes the kernel to crash when the debugfile is read"
      
      * 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        efi/arm64: Fix debugfs crash by adding a terminator for ptdump marker
      89401be6
    • Linus Torvalds's avatar
      Merge tag 'for-5.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux · 312b3a93
      Linus Torvalds authored
      Pull btrfs fixes from David Sterba:
      
       - regression fix: transaction commit can run away due to delayed ref
         waiting heuristic, this is not necessary now because of the proper
         reservation mechanism introduced in 5.0
      
       - regression fix: potential crash due to use-before-check of an ERR_PTR
         return value
      
       - fix for transaction abort during transaction commit that needs to
         properly clean up pending block groups
      
       - fix deadlock during b-tree node/leaf splitting, when this happens on
         some of the fundamental trees, we must prevent new tree block
         allocation to re-enter indirectly via the block group flushing path
      
       - potential memory leak after errors during mount
      
      * tag 'for-5.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
        btrfs: On error always free subvol_name in btrfs_mount
        btrfs: clean up pending block groups when transaction commit aborts
        btrfs: fix potential oops in device_list_add
        btrfs: don't end the transaction for delayed refs in throttle
        Btrfs: fix deadlock when allocating tree block during leaf/node split
      312b3a93
  2. 02 Feb, 2019 11 commits
    • Linus Torvalds's avatar
      Merge tag 'devicetree-fixes-for-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux · 12491ed3
      Linus Torvalds authored
      Pull Devicetree fix from Rob Herring:
       "A single fix for building DT bindings in-tree"
      
      * tag 'devicetree-fixes-for-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
        dt-bindings: Fix dt_binding_check target for in tree builds
      12491ed3
    • Linus Torvalds's avatar
      Merge tag 'riscv-for-linus-5.0-rc5' of... · 74b13e7e
      Linus Torvalds authored
      Merge tag 'riscv-for-linus-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
      
      Pull RISC-V fixes from Palmer Dabbelt:
       "This contains a handful of mostly-independent patches:
      
         - make our port respect TIF_NEED_RESCHED, which fixes
           CONFIG_PREEMPT=y kernels
      
         - fix double-put of OF nodes
      
         - fix a misspelling of target in our Kconfig
      
         - generic PCIe is enabled in our defconfig
      
         - fix our SBI early console to properly handle line
           endings
      
         - fix max_low_pfn being counted in PFNs
      
         - a change to TASK_UNMAPPED_BASE to match what other
           arches do
      
        This has passed my standard 'boot Fedora' flow"
      
      * tag 'riscv-for-linus-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
        riscv: Adjust mmap base address at a third of task size
        riscv: fixup max_low_pfn with PFN_DOWN.
        tty/serial: use uart_console_write in the RISC-V SBL early console
        RISC-V: defconfig: Add CRYPTO_DEV_VIRTIO=y
        RISC-V: defconfig: Enable Generic PCIE by default
        RISC-V: defconfig: Move CONFIG_PCI{,E_XILINX}
        RISC-V: Kconfig: fix spelling mistake "traget" -> "target"
        RISC-V: asm/page.h: fix spelling mistake "CONFIG_64BITS" -> "CONFIG_64BIT"
        RISC-V: fix bad use of of_node_put
        RISC-V: Add _TIF_NEED_RESCHED check for kernel thread when CONFIG_PREEMPT=y
      74b13e7e
    • Linus Torvalds's avatar
      Merge tag 'for-linus-20190202' of git://git.kernel.dk/linux-block · c8864cb7
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
       "A few fixes that should go into this release. This contains:
      
         - MD pull request from Song, fixing a recovery OOM issue (Alexei)
      
         - Fix for a sync related stall (Jianchao)
      
         - Dummy callback for timeouts (Tetsuo)
      
         - IDE atapi sense ordering fix (me)"
      
      * tag 'for-linus-20190202' of git://git.kernel.dk/linux-block:
        ide: ensure atapi sense request aren't preempted
        blk-mq: fix a hung issue when fsync
        block: pass no-op callback to INIT_WORK().
        md/raid5: fix 'out of memory' during raid cache recovery
      c8864cb7
    • Linus Torvalds's avatar
      Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi · 3cde55ee
      Linus Torvalds authored
      Pull SCSI fixes from James Bottomley:
       "Five minor bug fixes.
      
        The libfc one is a tiny memory leak, the zfcp one is an incorrect user
        visible parameter and the rest are on error legs or obscure features"
      
      * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
        scsi: 53c700: pass correct "dev" to dma_alloc_attrs()
        scsi: bnx2fc: Fix error handling in probe()
        scsi: scsi_debug: fix write_same with virtual_gb problem
        scsi: libfc: free skb when receiving invalid flogi resp
        scsi: zfcp: fix sysfs block queue limit output for max_segment_size
      3cde55ee
    • Linus Torvalds's avatar
      Merge branch 'akpm' (patches from Andrew) · b9de6efe
      Linus Torvalds authored
      Merge misc fixes from Andrew Morton:
       "24 fixes"
      
      * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (24 commits)
        autofs: fix error return in autofs_fill_super()
        autofs: drop dentry reference only when it is never used
        fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
        mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
        psi: clarify the Kconfig text for the default-disable option
        mm, memory_hotplug: __offline_pages fix wrong locking
        mm: hwpoison: use do_send_sig_info() instead of force_sig()
        kasan: mark file common so ftrace doesn't trace it
        init/Kconfig: fix grammar by moving a closing parenthesis
        lib/test_kmod.c: potential double free in error handling
        mm, oom: fix use-after-free in oom_kill_process
        mm/hotplug: invalid PFNs from pfn_to_online_page()
        mm,memory_hotplug: fix scan_movable_pages() for gigantic hugepages
        psi: fix aggregation idle shut-off
        mm, memory_hotplug: test_pages_in_a_zone do not pass the end of zone
        mm, memory_hotplug: is_mem_section_removable do not pass the end of a zone
        oom, oom_reaper: do not enqueue same task twice
        mm: migrate: make buffer_migrate_page_norefs() actually succeed
        kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
        x86_64: increase stack size for KASAN_EXTRA
        ...
      b9de6efe
    • Qian Cai's avatar
      efi/arm64: Fix debugfs crash by adding a terminator for ptdump marker · 74c953ca
      Qian Cai authored
      When reading 'efi_page_tables' debugfs triggers an out-of-bounds access here:
      
        arch/arm64/mm/dump.c: 282
        if (addr >= st->marker[1].start_address) {
      
      called from:
      
        arch/arm64/mm/dump.c: 331
        note_page(st, addr, 2, pud_val(pud));
      
      because st->marker++ is is called after "UEFI runtime end" which is the
      last element in addr_marker[]. Therefore, add a terminator like the one
      for kernel_page_tables, so it can be skipped to print out non-existent
      markers.
      
      Here's the KASAN bug report:
      
        # cat /sys/kernel/debug/efi_page_tables
        ---[ UEFI runtime start ]---
        0x0000000020000000-0x0000000020010000          64K PTE       RW NX SHD AF ...
        0x0000000020200000-0x0000000021340000       17664K PTE       RW NX SHD AF ...
        ...
        0x0000000021920000-0x0000000021950000         192K PTE       RW x  SHD AF ...
        0x0000000021950000-0x00000000219a0000         320K PTE       RW NX SHD AF ...
        ---[ UEFI runtime end ]---
        ---[ (null) ]---
        ---[ (null) ]---
      
         BUG: KASAN: global-out-of-bounds in note_page+0x1f0/0xac0
         Read of size 8 at addr ffff2000123f2ac0 by task read_all/42464
         Call trace:
          dump_backtrace+0x0/0x298
          show_stack+0x24/0x30
          dump_stack+0xb0/0xdc
          print_address_description+0x64/0x2b0
          kasan_report+0x150/0x1a4
          __asan_report_load8_noabort+0x30/0x3c
          note_page+0x1f0/0xac0
          walk_pgd+0xb4/0x244
          ptdump_walk_pgd+0xec/0x140
          ptdump_show+0x40/0x50
          seq_read+0x3f8/0xad0
          full_proxy_read+0x9c/0xc0
          __vfs_read+0xfc/0x4c8
          vfs_read+0xec/0x208
          ksys_read+0xd0/0x15c
          __arm64_sys_read+0x84/0x94
          el0_svc_handler+0x258/0x304
          el0_svc+0x8/0xc
      
        The buggy address belongs to the variable:
         __compound_literal.0+0x20/0x800
      
        Memory state around the buggy address:
         ffff2000123f2980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
         ffff2000123f2a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa
        >ffff2000123f2a80: fa fa fa fa 00 00 00 00 fa fa fa fa 00 00 00 00
                                                  ^
         ffff2000123f2b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
         ffff2000123f2b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0
      
      [ ardb: fix up whitespace ]
      [ mingo: fix up some moar ]
      Signed-off-by: default avatarQian Cai <cai@lca.pw>
      Signed-off-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
      Cc: Linus Torvalds <torvalds@linux-foundation.org>
      Cc: Peter Zijlstra <peterz@infradead.org>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Cc: linux-efi@vger.kernel.org
      Fixes: 9d80448a ("efi/arm64: Add debugfs node to dump UEFI runtime page tables")
      Link: http://lkml.kernel.org/r/20190202095017.13799-2-ard.biesheuvel@linaro.orgSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
      74c953ca
    • Johannes Weiner's avatar
      x86/resctrl: Avoid confusion over the new X86_RESCTRL config · e6d42931
      Johannes Weiner authored
      "Resource Control" is a very broad term for this CPU feature, and a term
      that is also associated with containers, cgroups etc. This can easily
      cause confusion.
      
      Make the user prompt more specific. Match the config symbol name.
      
       [ bp: In the future, the corresponding ARM arch-specific code will be
         under ARM_CPU_RESCTRL and the arch-agnostic bits will be carved out
         under the CPU_RESCTRL umbrella symbol. ]
      Signed-off-by: default avatarJohannes Weiner <hannes@cmpxchg.org>
      Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
      Cc: Babu Moger <Babu.Moger@amd.com>
      Cc: Fenghua Yu <fenghua.yu@intel.com>
      Cc: "H. Peter Anvin" <hpa@zytor.com>
      Cc: Ingo Molnar <mingo@redhat.com>
      Cc: James Morse <james.morse@arm.com>
      Cc: Jonathan Corbet <corbet@lwn.net>
      Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
      Cc: linux-doc@vger.kernel.org
      Cc: Peter Zijlstra <peterz@infradead.org>
      Cc: Pu Wen <puwen@hygon.cn>
      Cc: Reinette Chatre <reinette.chatre@intel.com>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Cc: Tony Luck <tony.luck@intel.com>
      Cc: x86-ml <x86@kernel.org>
      Link: https://lkml.kernel.org/r/20190130195621.GA30653@cmpxchg.org
      e6d42931
    • Linus Torvalds's avatar
      Merge tag 'xtensa-20190201' of git://github.com/jcmvbkbc/linux-xtensa · cd984a5b
      Linus Torvalds authored
      Pull xtensa fixes from Max Filippov:
      
       - fix ccount_timer_shutdown for secondary CPUs
      
       - fix secondary CPU initialization
      
       - fix secondary CPU reset vector clash with double exception vector
      
       - fix present CPUs when booting with 'maxcpus' parameter
      
       - limit possible CPUs by configured NR_CPUS
      
       - issue a warning if xtensa PIC is asked to retrigger anything other
         than software IRQ
      
       - fix masking/unmasking of the first two IRQs on xtensa MX PIC
      
       - fix typo in Kconfig description for user space unaligned access
         feature
      
       - fix Kconfig warning for selecting BUILTIN_DTB
      
      * tag 'xtensa-20190201' of git://github.com/jcmvbkbc/linux-xtensa:
        xtensa: SMP: limit number of possible CPUs by NR_CPUS
        xtensa: rename BUILTIN_DTB to BUILTIN_DTB_SOURCE
        xtensa: Fix typo use space=>user space
        drivers/irqchip: xtensa-mx: fix mask and unmask
        drivers/irqchip: xtensa: add warning to irq_retrigger
        xtensa: SMP: mark each possible CPU as present
        xtensa: smp_lx200_defconfig: fix vectors clash
        xtensa: SMP: fix secondary CPU initialization
        xtensa: SMP: fix ccount_timer_shutdown
      cd984a5b
    • Linus Torvalds's avatar
      Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · 8b050fe4
      Linus Torvalds authored
      Pull arm64 fixes from Will Deacon:
       "Although we're still debugging a few minor arm64-specific issues in
        mainline, I didn't want to hold this lot up in the meantime.
      
        We've got an additional KASLR fix after the previous one wasn't quite
        complete, a fix for a performance regression when mapping executable
        pages into userspace and some fixes for kprobe blacklisting. All
        candidates for stable.
      
        Summary:
      
         - Fix module loading when KASLR is configured but disabled at runtime
      
         - Fix accidental IPI when mapping user executable pages
      
         - Ensure hyp-stub and KVM world switch code cannot be kprobed"
      
      * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
        arm64: hibernate: Clean the __hyp_text to PoC after resume
        arm64: hyp-stub: Forbid kprobing of the hyp-stub
        arm64: kprobe: Always blacklist the KVM world-switch code
        arm64: kaslr: ensure randomized quantities are clean also when kaslr is off
        arm64: Do not issue IPIs for user executable ptes
      8b050fe4
    • Linus Torvalds's avatar
      Merge tag '5.0-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 · 33640d71
      Linus Torvalds authored
      Pull smb3 fixes from Steve French:
       "SMB3 fixes, some from this week's SMB3 test evemt, 5 for stable and a
        particularly important one for queryxattr (see xfstests 70 and 117)"
      
      * tag '5.0-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
        cifs: update internal module version number
        CIFS: fix use-after-free of the lease keys
        CIFS: Do not consider -ENODATA as stat failure for reads
        CIFS: Do not count -ENODATA as failure for query directory
        CIFS: Fix trace command logging for SMB2 reads and writes
        CIFS: Fix possible oops and memory leaks in async IO
        cifs: limit amount of data we request for xattrs to CIFSMaxBufSize
        cifs: fix computation for MAX_SMB2_HDR_SIZE
      33640d71
    • Linus Torvalds's avatar
      Merge tag 'apparmor-pr-2019-02-01' of... · b7bd29b5
      Linus Torvalds authored
      Merge tag 'apparmor-pr-2019-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
      
      Pull apparmor bug fixes from John Johansen:
       "Two bug fixes for apparmor:
      
         - Fix aa_label_build() error handling for failed merges
      
         - Fix warning about unused function apparmor_ipv6_postroute"
      
      * tag 'apparmor-pr-2019-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
        apparmor: Fix aa_label_build() error handling for failed merges
        apparmor: Fix warning about unused function apparmor_ipv6_postroute
      b7bd29b5
  3. 01 Feb, 2019 24 commits