1. 06 Jun, 2019 8 commits
    • Linus Torvalds's avatar
      Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 · ae876604
      Linus Torvalds authored
      Pull crypto fixes from Herbert Xu:
       "This fixes a regression that breaks the jitterentropy RNG and a
        potential memory leak in hmac"
      
      * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
        crypto: hmac - fix memory leak in hmac_init_tfm()
        crypto: jitterentropy - change back to module_init()
      ae876604
    • Linus Torvalds's avatar
      Merge tag 'xfs-5.2-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux · 01047631
      Linus Torvalds authored
      Pull xfs fixes from Darrick Wong:
       "Here are a couple more bug fixes for 5.2. Changes since last update:
      
         - Fix some forgotten strings in a log debugging function
      
         - Fix incorrect unit conversion in online fsck code"
      
      * tag 'xfs-5.2-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
        xfs: inode btree scrubber should calculate im_boffset correctly
        xfs: fix broken log reservation debugging
      01047631
    • Linus Torvalds's avatar
      Merge tag 'gfs2-v5.2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 · dc8ca9cc
      Linus Torvalds authored
      Pull gfs2 fix from Andreas Gruenbacher:
       "A revert for a patch that turned out to be broken"
      
      * tag 'gfs2-v5.2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
        Revert "gfs2: Replace gl_revokes with a GLF flag"
      dc8ca9cc
    • Linus Torvalds's avatar
      Merge tag 'ovl-fixes-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs · 5d6b501f
      Linus Torvalds authored
      Pull overlayfs fixes from Miklos Szeredi:
       "Here's one fix for a class of bugs triggered by syzcaller, and one
        that makes xfstests fail less"
      
      * tag 'ovl-fixes-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
        ovl: doc: add non-standard corner cases
        ovl: detect overlapping layers
        ovl: support the FS_IOC_FS[SG]ETXATTR ioctls
      5d6b501f
    • Linus Torvalds's avatar
      Merge tag 'fuse-fixes-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse · 21175857
      Linus Torvalds authored
      Pull fuse fixes from Miklos Szeredi:
       "This fixes a leaked inode lock in an error cleanup path and a data
        consistency issue with copy_file_range().
      
        It also adds a new flag for the WRITE request that allows userspace
        filesystems to clear suid/sgid bits on the file if necessary"
      
      * tag 'fuse-fixes-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
        fuse: extract helper for range writeback
        fuse: fix copy_file_range() in the writeback case
        fuse: add FUSE_WRITE_KILL_PRIV
        fuse: fallocate: fix return with locked inode
      21175857
    • Linus Torvalds's avatar
      Merge tag 'nfs-for-5.2-2' of git://git.linux-nfs.org/projects/anna/linux-nfs · 459aa077
      Linus Torvalds authored
      Pull NFS client fixes from Anna Schumaker:
       "These are mostly stable bugfixes found during testing, many during the
        recent NFS bake-a-thon.
      
        Stable bugfixes:
         - SUNRPC: Fix regression in umount of a secure mount
         - SUNRPC: Fix a use after free when a server rejects the RPCSEC_GSS credential
         - NFSv4.1: Again fix a race where CB_NOTIFY_LOCK fails to wake a waiter
         - NFSv4.1: Fix bug only first CB_NOTIFY_LOCK is handled
      
        Other bugfixes:
         - xprtrdma: Use struct_size() in kzalloc()"
      
      * tag 'nfs-for-5.2-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
        NFSv4.1: Fix bug only first CB_NOTIFY_LOCK is handled
        NFSv4.1: Again fix a race where CB_NOTIFY_LOCK fails to wake a waiter
        SUNRPC: Fix a use after free when a server rejects the RPCSEC_GSS credential
        SUNRPC fix regression in umount of a secure mount
        xprtrdma: Use struct_size() in kzalloc()
      459aa077
    • Linus Torvalds's avatar
      Merge tag 'for-rc-adfs' of git://git.armlinux.org.uk/~rmk/linux-arm · 44e843eb
      Linus Torvalds authored
      Pull ADFS cleanups/fixes from Russell King:
       "As a result of some of Al Viro's great work, here are a few cleanups
        with fixes for adfs:
      
         - factor out filename comparison, so we can be sure that
           adfs_compare() (used for namei compare) and adfs_match() (used for
           lookup) have the same behaviour.
      
         - factor out filename lowering (which is not the same as tolower()
           which will lower top-bit-set characters) to ensure that we have the
           same behaviour when comparing filenames as when we hash them.
      
         - factor out the object fixups, so we are applying all fixups to
           directory objects in the same way, independent of the disk format.
      
         - factor out the object name fixup (into the previously factored out
           function) to ensure that filenames are appropriately translated -
           for example, adfs allows '/' in filenames, which being the Unix
           path separator, need to be translated to a different character,
           which is normally '.' (DOS 8.3 filenames represent the . as a / on
           adfs, so this is the expected reverse translation.)
      
         - remove filename truncation; Al asked about this and apparently the
           decision is to remove it. In any case, adfs's truncation was buggy,
           so this rids us of that bug by removing the truncation feature.
      
         - we now have only one location which adds the "filetype" suffix to
           the filename, so there's no point that code being out of line.
      
         - since we translate '/' into '.', an adfs filename of "/" or "//"
           would end up being translated to "." and ".." which have special
           meanings. In this case, change the first character to "^" to avoid
           these special directory names being abused"
      
      * tag 'for-rc-adfs' of git://git.armlinux.org.uk/~rmk/linux-arm:
        fs/adfs: fix filename fixup handling for "/" and "//" names
        fs/adfs: move append_filetype_suffix() into adfs_object_fixup()
        fs/adfs: remove truncated filename hashing
        fs/adfs: factor out filename fixup
        fs/adfs: factor out object fixups
        fs/adfs: factor out filename case lowering
        fs/adfs: factor out filename comparison
      44e843eb
    • Bob Peterson's avatar
      Revert "gfs2: Replace gl_revokes with a GLF flag" · 638803d4
      Bob Peterson authored
      Commit 73118ca8 introduced a glock reference counting bug in
      gfs2_trans_remove_revoke.  Given that, replacing gl_revokes with a GLF flag is
      no longer useful, so revert that commit.
      Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
      Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
      638803d4
  2. 05 Jun, 2019 6 commits
  3. 03 Jun, 2019 9 commits
  4. 02 Jun, 2019 14 commits
    • Linus Torvalds's avatar
      Linux 5.2-rc3 · f2c7c76c
      Linus Torvalds authored
      f2c7c76c
    • Linus Torvalds's avatar
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 7bd1d5ed
      Linus Torvalds authored
      Pull x86 fixes from Ingo Molnar:
       "Two fixes: a quirk for KVM guests running on certain AMD CPUs, and a
        KASAN related build fix"
      
      * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/CPU/AMD: Don't force the CPB cap when running under a hypervisor
        x86/boot: Provide KASAN compatible aliases for string routines
      7bd1d5ed
    • Linus Torvalds's avatar
      Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 6751b8d9
      Linus Torvalds authored
      Pull perf fixes from Ingo Molnar:
       "On the kernel side there's a bunch of ring-buffer ordering fixes for a
        reproducible bug, plus a PEBS constraints regression fix.
      
        Plus tooling fixes"
      
      * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        tools headers UAPI: Sync kvm.h headers with the kernel sources
        perf record: Fix s390 missing module symbol and warning for non-root users
        perf machine: Read also the end of the kernel
        perf test vmlinux-kallsyms: Ignore aliases to _etext when searching on kallsyms
        perf session: Add missing swap ops for namespace events
        perf namespace: Protect reading thread's namespace
        tools headers UAPI: Sync drm/drm.h with the kernel
        tools headers UAPI: Sync drm/i915_drm.h with the kernel
        tools headers UAPI: Sync linux/fs.h with the kernel
        tools headers UAPI: Sync linux/sched.h with the kernel
        tools arch x86: Sync asm/cpufeatures.h with the with the kernel
        tools include UAPI: Update copy of files related to new fspick, fsmount, fsconfig, fsopen, move_mount and open_tree syscalls
        perf arm64: Fix mksyscalltbl when system kernel headers are ahead of the kernel
        perf data: Fix 'strncat may truncate' build failure with recent gcc
        perf/ring-buffer: Use regular variables for nesting
        perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data
        perf/ring_buffer: Add ordering to rb->nest increment
        perf/ring_buffer: Fix exposing a temporarily decreased data_head
        perf/x86/intel/ds: Fix EVENT vs. UEVENT PEBS constraints
      6751b8d9
    • Linus Torvalds's avatar
      Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · af042452
      Linus Torvalds authored
      Pull EFI fixes from Ingo Molnar:
       "Two EFI fixes: a quirk for weird systabs, plus add more robust error
        handling in the old 1:1 mapping code"
      
      * 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        efi: Allow the number of EFI configuration tables entries to be zero
        efi/x86/Add missing error handling to old_memmap 1:1 mapping code
      af042452
    • Linus Torvalds's avatar
      Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 4fb5741c
      Linus Torvalds authored
      Pull stacktrace fix from Ingo Molnar:
       "Fix a stack_trace_save_tsk_reliable() regression"
      
      * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        stacktrace: Unbreak stack_trace_save_tsk_reliable()
      4fb5741c
    • Linus Torvalds's avatar
      Merge tag 'spdx-5.2-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core · a68dc618
      Linus Torvalds authored
      Pull SPDX fixes from Greg KH:
       "Here are just two small patches, that fix up some found SPDX
        identifier issues.
      
        The first patch fixes an error in a previous SPDX fixup patch, that
        causes build errors when doing 'make clean' on the tree (the fact that
        almost no one noticed it reflects the fact that kernel developers
        don't like doing that option very often...)
      
        The second patch fixes up a number of places in the tree where people
        mistyped the string "SPDX-License-Identifier". Given that people can
        not even type their own name all the time without mistakes, this was
        bound to happen, and odds are, we will have to add some type of check
        for this to checkpatch.pl to catch this happening in the future.
      
        Both of these have passed testing by 0-day"
      
      * tag 'spdx-5.2-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
        treewide: fix typos of SPDX-License-Identifier
        crypto: ux500 - fix license comment syntax error
      a68dc618
    • Linus Torvalds's avatar
      Merge tag 'powerpc-5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · 460b48a0
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
       "A minor fix to our IMC PMU code to print a less confusing error
        message when the driver can't initialise properly.
      
        A fix for a bug where a user requesting an unsupported branch sampling
        filter can corrupt PMU state, preventing the PMU from counting
        properly.
      
        And finally a fix for a bug in our support for kexec_file_load(),
        which prevented loading a kernel and initramfs. Most versions of kexec
        don't yet use kexec_file_load().
      
        Thanks to: Anju T Sudhakar, Dave Young, Madhavan Srinivasan, Ravi
        Bangoria, Thiago Jung Bauermann"
      
      * tag 'powerpc-5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
        powerpc/kexec: Fix loading of kernel + initramfs with kexec_file_load()
        powerpc/perf: Fix MMCRA corruption by bhrb_filter
        powerpc/powernv: Return for invalid IMC domain
      460b48a0
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm · b44a1dd3
      Linus Torvalds authored
      Pull KVM fixes from Paolo Bonzini:
       "Fixes for PPC and s390"
      
      * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
        KVM: PPC: Book3S HV: Restore SPRG3 in kvmhv_p9_guest_entry()
        KVM: PPC: Book3S HV: Fix lockdep warning when entering guest on POWER9
        KVM: PPC: Book3S HV: XIVE: Fix page offset when clearing ESB pages
        KVM: PPC: Book3S HV: XIVE: Take the srcu read lock when accessing memslots
        KVM: PPC: Book3S HV: XIVE: Do not clear IRQ data of passthrough interrupts
        KVM: PPC: Book3S HV: XIVE: Introduce a new mutex for the XIVE device
        KVM: PPC: Book3S HV: XIVE: Fix the enforced limit on the vCPU identifier
        KVM: PPC: Book3S HV: XIVE: Do not test the EQ flag validity when resetting
        KVM: PPC: Book3S HV: XIVE: Clear file mapping when device is released
        KVM: PPC: Book3S HV: Don't take kvm->lock around kvm_for_each_vcpu
        KVM: PPC: Book3S: Use new mutex to synchronize access to rtas token list
        KVM: PPC: Book3S HV: Use new mutex to synchronize MMU setup
        KVM: PPC: Book3S HV: Avoid touching arch.mmu_ready in XIVE release functions
        KVM: s390: Do not report unusabled IDs via KVM_CAP_MAX_VCPU_ID
        kvm: fix compile on s390 part 2
      b44a1dd3
    • Linus Torvalds's avatar
      Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux · 38baf0bb
      Linus Torvalds authored
      Pull i2c fixes from Wolfram Sang:
       "A memleak fix for the core, two driver bugfixes, as well as fixing
        missing file patterns to MAINTAINERS"
      
      * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
        MAINTAINERS: add I2C DT bindings to ARM platforms
        MAINTAINERS: add DT bindings to i2c drivers
        i2c: synquacer: fix synquacer_i2c_doxfer() return value
        i2c: mlxcpld: Fix wrong initialization order in probe
        i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr
      38baf0bb
    • Linus Torvalds's avatar
      Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal · 378e853f
      Linus Torvalds authored
      Pull thermal SoC fix from Eduardo Valentin:
       "A single revert, detected to cause issues on the tsens driver"
      
      * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
        Revert "drivers: thermal: tsens: Add new operation to check if a sensor is enabled"
      378e853f
    • Linus Torvalds's avatar
      Merge tag 'led-fixes-for-5.2-rc3' of... · f58c356e
      Linus Torvalds authored
      Merge tag 'led-fixes-for-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
      
      Pull LED fix from Jacek Anaszewski:
       "Fix for a recent change in LED core, that didn't take into account the
        possibility of calling led_blink_setup() from atomic context"
      
      * tag 'led-fixes-for-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
        leds: avoid flush_work in atomic context
      f58c356e
    • Linus Torvalds's avatar
      Merge tag 'for-linus-20190601' of git://git.kernel.dk/linux-block · 9221dced
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
      
       - A set of patches fixing code comments / kerneldoc (Bart)
      
       - Don't allow loop file change for exclusive open (Jan)
      
       - Fix revalidate of hidden genhd (Jan)
      
       - Init queue failure memory free fix (Jes)
      
       - Improve rq limits failure print (John)
      
       - Fixup for queue removal/addition (Ming)
      
       - Missed error progagation for io_uring buffer registration (Pavel)
      
      * tag 'for-linus-20190601' of git://git.kernel.dk/linux-block:
        block: print offending values when cloned rq limits are exceeded
        blk-mq: Document the blk_mq_hw_queue_to_node() arguments
        blk-mq: Fix spelling in a source code comment
        block: Fix bsg_setup_queue() kernel-doc header
        block: Fix rq_qos_wait() kernel-doc header
        block: Fix blk_mq_*_map_queues() kernel-doc headers
        block: Fix throtl_pending_timer_fn() kernel-doc header
        block: Convert blk_invalidate_devt() header into a non-kernel-doc header
        block/partitions/ldm: Convert a kernel-doc header into a non-kernel-doc header
        blk-mq: Fix memory leak in error handling
        block: don't protect generic_make_request_checks with blk_queue_enter
        block: move blk_exit_queue into __blk_release_queue
        block: Don't revalidate bdev of hidden gendisk
        loop: Don't change loop device under exclusive opener
        io_uring: Fix __io_uring_register() false success
      9221dced
    • Linus Torvalds's avatar
      Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi · 1975b337
      Linus Torvalds authored
      Pull SCSI fixes from James Bottomley:
       "Six minor fixes to device drivers and one to the multipath alua
        handler.
      
        The most extensive fix is the zfcp port remove prevention one, but
        it's impact is only s390"
      
      * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
        scsi: libsas: delete sas port if expander discover failed
        scsi: libsas: only clear phy->in_shutdown after shutdown event done
        scsi: scsi_dh_alua: Fix possible null-ptr-deref
        scsi: smartpqi: properly set both the DMA mask and the coherent DMA mask
        scsi: zfcp: fix to prevent port_remove with pure auto scan LUNs (only sdevs)
        scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove
        scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route()
      1975b337
    • Linus Torvalds's avatar
      Merge branch 'akpm' (patches from Andrew) · 7b3064f0
      Linus Torvalds authored
      Merge misc fixes from Andrew Morton:
       "Various fixes and followups"
      
      * emailed patches from Andrew Morton <akpm@linux-foundation.org>:
        mm, compaction: make sure we isolate a valid PFN
        include/linux/generic-radix-tree.h: fix kerneldoc comment
        kernel/signal.c: trace_signal_deliver when signal_group_exit
        drivers/iommu/intel-iommu.c: fix variable 'iommu' set but not used
        spdxcheck.py: fix directory structures
        kasan: initialize tag to 0xff in __kasan_kmalloc
        z3fold: fix sheduling while atomic
        scripts/gdb: fix invocation when CONFIG_COMMON_CLK is not set
        mm/gup: continue VM_FAULT_RETRY processing even for pre-faults
        ocfs2: fix error path kobject memory leak
        memcg: make it work on sparse non-0-node systems
        mm, memcg: consider subtrees in memory.events
        prctl_set_mm: downgrade mmap_sem to read lock
        prctl_set_mm: refactor checks from validate_prctl_map
        kernel/fork.c: make max_threads symbol static
        arch/arm/boot/compressed/decompress.c: fix build error due to lz4 changes
        arch/parisc/configs/c8000_defconfig: remove obsoleted CONFIG_DEBUG_SLAB_LEAK
        mm/vmalloc.c: fix typo in comment
        lib/sort.c: fix kernel-doc notation warnings
        mm: fix Documentation/vm/hmm.rst Sphinx warnings
      7b3064f0
  5. 01 Jun, 2019 3 commits
    • Suzuki K Poulose's avatar
      mm, compaction: make sure we isolate a valid PFN · e577c8b6
      Suzuki K Poulose authored
      When we have holes in a normal memory zone, we could endup having
      cached_migrate_pfns which may not necessarily be valid, under heavy memory
      pressure with swapping enabled ( via __reset_isolation_suitable(),
      triggered by kswapd).
      
      Later if we fail to find a page via fast_isolate_freepages(), we may end
      up using the migrate_pfn we started the search with, as valid page.  This
      could lead to accessing NULL pointer derefernces like below, due to an
      invalid mem_section pointer.
      
      Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 [47/1825]
       Mem abort info:
         ESR = 0x96000004
         Exception class = DABT (current EL), IL = 32 bits
         SET = 0, FnV = 0
         EA = 0, S1PTW = 0
       Data abort info:
         ISV = 0, ISS = 0x00000004
         CM = 0, WnR = 0
       user pgtable: 4k pages, 48-bit VAs, pgdp = 0000000082f94ae9
       [0000000000000008] pgd=0000000000000000
       Internal error: Oops: 96000004 [#1] SMP
       ...
       CPU: 10 PID: 6080 Comm: qemu-system-aar Not tainted 510-rc1+ #6
       Hardware name: AmpereComputing(R) OSPREY EV-883832-X3-0001/OSPREY, BIOS 4819 09/25/2018
       pstate: 60000005 (nZCv daif -PAN -UAO)
       pc : set_pfnblock_flags_mask+0x58/0xe8
       lr : compaction_alloc+0x300/0x950
       [...]
       Process qemu-system-aar (pid: 6080, stack limit = 0x0000000095070da5)
       Call trace:
        set_pfnblock_flags_mask+0x58/0xe8
        compaction_alloc+0x300/0x950
        migrate_pages+0x1a4/0xbb0
        compact_zone+0x750/0xde8
        compact_zone_order+0xd8/0x118
        try_to_compact_pages+0xb4/0x290
        __alloc_pages_direct_compact+0x84/0x1e0
        __alloc_pages_nodemask+0x5e0/0xe18
        alloc_pages_vma+0x1cc/0x210
        do_huge_pmd_anonymous_page+0x108/0x7c8
        __handle_mm_fault+0xdd4/0x1190
        handle_mm_fault+0x114/0x1c0
        __get_user_pages+0x198/0x3c0
        get_user_pages_unlocked+0xb4/0x1d8
        __gfn_to_pfn_memslot+0x12c/0x3b8
        gfn_to_pfn_prot+0x4c/0x60
        kvm_handle_guest_abort+0x4b0/0xcd8
        handle_exit+0x140/0x1b8
        kvm_arch_vcpu_ioctl_run+0x260/0x768
        kvm_vcpu_ioctl+0x490/0x898
        do_vfs_ioctl+0xc4/0x898
        ksys_ioctl+0x8c/0xa0
        __arm64_sys_ioctl+0x28/0x38
        el0_svc_common+0x74/0x118
        el0_svc_handler+0x38/0x78
        el0_svc+0x8/0xc
       Code: f8607840 f100001f 8b011401 9a801020 (f9400400)
       ---[ end trace af6a35219325a9b6 ]---
      
      The issue was reported on an arm64 server with 128GB with holes in the
      zone (e.g, [32GB@4GB, 96GB@544GB]), with a swap device enabled, while
      running 100 KVM guest instances.
      
      This patch fixes the issue by ensuring that the page belongs to a valid
      PFN when we fallback to using the lower limit of the scan range upon
      failure in fast_isolate_freepages().
      
      Link: http://lkml.kernel.org/r/1558711908-15688-1-git-send-email-suzuki.poulose@arm.com
      Fixes: 5a811889 ("mm, compaction: use free lists to quickly locate a migration target")
      Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
      Reported-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
      Reviewed-by: default avatarMel Gorman <mgorman@techsingularity.net>
      Reviewed-by: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
      Cc: Michal Hocko <mhocko@suse.com>
      Cc: Qian Cai <cai@lca.pw>
      Cc: Marc Zyngier <marc.zyngier@arm.com>
      Cc: <stable@vger.kernel.org>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      e577c8b6
    • Jonathan Corbet's avatar
      include/linux/generic-radix-tree.h: fix kerneldoc comment · 590ba22b
      Jonathan Corbet authored
      The DOC comment block section in include/linux/generic-radix-tree.h
      contained a spurious colon, causing this warning in the documentation
      build:
      
        include/linux/generic-radix-tree.h:1: warning: no structured comments found
      
      Remove the colon and make the docs build happy.
      
      Link: http://lkml.kernel.org/r/20190524141933.74ae9050@lwn.netSigned-off-by: default avatarJonathan Corbet <corbet@lwn.net>
      Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Cc: Kent Overstreet <kent.overstreet@gmail.com>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      590ba22b
    • Zhenliang Wei's avatar
      kernel/signal.c: trace_signal_deliver when signal_group_exit · 98af37d6
      Zhenliang Wei authored
      In the fixes commit, removing SIGKILL from each thread signal mask and
      executing "goto fatal" directly will skip the call to
      "trace_signal_deliver".  At this point, the delivery tracking of the
      SIGKILL signal will be inaccurate.
      
      Therefore, we need to add trace_signal_deliver before "goto fatal" after
      executing sigdelset.
      
      Note: SEND_SIG_NOINFO matches the fact that SIGKILL doesn't have any info.
      
      Link: http://lkml.kernel.org/r/20190425025812.91424-1-weizhenliang@huawei.com
      Fixes: cf43a757 ("signal: Restore the stop PTRACE_EVENT_EXIT")
      Signed-off-by: default avatarZhenliang Wei <weizhenliang@huawei.com>
      Reviewed-by: default avatarChristian Brauner <christian@brauner.io>
      Reviewed-by: default avatarOleg Nesterov <oleg@redhat.com>
      Cc: Eric W. Biederman <ebiederm@xmission.com>
      Cc: Ivan Delalande <colona@arista.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Cc: Deepa Dinamani <deepa.kernel@gmail.com>
      Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
      Cc: <stable@vger.kernel.org>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      98af37d6