- 14 May, 2018 3 commits
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Amir Goldstein authored
If fs is frozen after mount and before the first file open, the update of s_last_mounted bypasses freeze protection and prints out a WARNING splat: $ mount /vdf $ fsfreeze -f /vdf $ cat /vdf/foo [ 31.578555] WARNING: CPU: 1 PID: 1415 at fs/ext4/ext4_jbd2.c:53 ext4_journal_check_start+0x48/0x82 [ 31.614016] Call Trace: [ 31.614997] __ext4_journal_start_sb+0xe4/0x1a4 [ 31.616771] ? ext4_file_open+0xb6/0x189 [ 31.618094] ext4_file_open+0xb6/0x189 If fs is frozen, skip s_last_mounted update. [backport hint: to apply to stable tree, need to apply also patches vfs: add the sb_start_intwrite_trylock() helper ext4: factor out helper ext4_sample_last_mounted()] Cc: stable@vger.kernel.org Fixes: bc0b0d6d ("ext4: update the s_last_mounted field in the superblock") Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
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Amir Goldstein authored
Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
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Amir Goldstein authored
Needed by ext4 to test frozen fs before updating s_last_mounted. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
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- 13 May, 2018 3 commits
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Lukas Czerner authored
Currently in ext4_punch_hole we're going to skip the mtime update if there are no actual blocks to release. However we've actually modified the file by zeroing the partial block so the mtime should be updated. Moreover the sync and datasync handling is skipped as well, which is also wrong. Fix it. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reported-by: Joe Habermann <joe.habermann@quantum.com> Cc: <stable@vger.kernel.org>
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Luis R. Rodriguez authored
The Linux VFS does not allow a way to set append/immuttable attributes to symlinks, this is just not possible. If this is detected inform the user as the filesystem must be corrupted. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
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Souptick Joarder authored
Use new return type vm_fault_t for fault handler. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. commit 1c8f4220 ("mm: change return type to vm_fault_t") Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
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- 12 May, 2018 5 commits
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Jan Kara authored
When ext4_ind_map_blocks() computes a length of a hole, it doesn't count with the fact that mapped offset may be somewhere in the middle of the completely empty subtree. In such case it will return too large length of the hole which then results in lseek(SEEK_DATA) to end up returning an incorrect offset beyond the end of the hole. Fix the problem by correctly taking offset within a subtree into account when computing a length of a hole. Fixes: facab4d9 CC: stable@vger.kernel.org Reported-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Wang Shilong authored
There are still some cases that we missed to set block bitmaps corrupted bit properly: 1) block bitmap number is wrong. 2) failed to read block bitmap due to disk errors. 3) double free block bitmaps.. 4) some mismatch check with bitmaps vs buddy information. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com> Signed-off-by: Wang Shilong <wshilong@ddn.com> Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca>
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Wang Shilong authored
There are still some cases that we missed to set block bitmaps corrupted bit properly: 1)inode bitmap number is wrong. 2)failed to read block bitmap due to disk errors. 3)double allocations from bitmap Also remove a duplicated call ext4_error() afer ext4_read_inode_bitmap(), as ext4_error() have been called inside ext4_read_inode_bitmap() properly. Signed-off-by: Wang Shilong <wshilong@ddn.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Andreas Dilger <adilger@dilger.ca>
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Wang Shilong authored
Since there are many places to set inode/block bitmap corrupt bit, add a new helper for it, which will make codes more clear. Signed-off-by: Wang Shilong <wshilong@ddn.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Andreas Dilger <adilger@dilger.ca>
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Wang Shilong authored
The only reason that sb_getblk() could fail is out of memory, ext4 codes have returned -ENOMME for all other places except this one, let's fix it here too. Signed-off-by: Wang Shilong <wshilong@ddn.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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- 10 May, 2018 3 commits
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Eryu Guan authored
Currently, creating large xattr (e.g. 2k) in ea_inode would cause ea_inode refcount corruption, e.g. Pass 4: Checking reference counts Extended attribute inode 13 ref count is 0, should be 1. Fix? no This is because that we save the lower 32bit of refcount in inode->i_version and store it in raw_inode->i_disk_version on disk. But since commit ee73f9a5 ("ext4: convert to new i_version API"), we load/store modified i_disk_version from/to disk instead of raw value, which causes on-disk ea_inode refcount corruption. Fix it by loading/storing raw i_version/i_disk_version, because it's a self-managed value in this case. Fixes: ee73f9a5 ("ext4: convert to new i_version API") Cc: Tahsin Erdogan <tahsin@google.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Eryu Guan authored
I hit ENOSPC error when creating new file in a newly created ext4 with ea_inode feature enabled, if selinux is enabled and ext4 is mounted without any selinux context. e.g. mkfs -t ext4 -O ea_inode -F /dev/sda5 mount /dev/sda5 /mnt/ext4 touch /mnt/ext4/testfile # got ENOSPC here It turns out that we run out of journal credits in ext4_xattr_set_handle() when creating new selinux label for the newly created inode. This is because that in __ext4_new_inode() we use __ext4_xattr_set_credits() to calculate the reserved credits for new xattr, with the 'is_create' argument being true, which implies less credits in the ea_inode case. But we calculate the required credits in ext4_xattr_set_handle() with 'is_create' being false, which means we need more credits if ea_inode feature is enabled. So we don't have enough credits and error out with ENOSPC. Fix it by simply calling ext4_xattr_set_handle() with XATTR_CREATE flag in ext4_initxattrs(), so we end up with requiring less credits than reserved. The semantic of XATTR_CREATE is "Perform a pure create, which fails if the named attribute exists already." (from setxattr(2)), which is fine in this case, because we only call ext4_initxattrs() on newly created inode. Fixes: af65207c ("ext4: fix __ext4_new_inode() journal credits calculation") Cc: Tahsin Erdogan <tahsin@google.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Mathieu Malaterre authored
Since function ‘ext4_getfsmap_find_fixed_metadata’ can be made static, make it so. Remove the following gcc warning (W=1): fs/ext4/fsmap.c:405:5: warning: no previous prototype for ‘ext4_getfsmap_find_fixed_metadata’ [-Wmissing-prototypes] Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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- 07 May, 2018 1 commit
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Linus Torvalds authored
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- 06 May, 2018 7 commits
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pll KVM fixes from Radim Krčmář: "ARM: - Fix proxying of GICv2 CPU interface accesses - Fix crash when switching to BE - Track source vcpu git GICv2 SGIs - Fix an outdated bit of documentation x86: - Speed up injection of expired timers (for stable)" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: remove APIC Timer periodic/oneshot spikes arm64: vgic-v2: Fix proxying of cpuif access KVM: arm/arm64: vgic_init: Cleanup reference to process_maintenance KVM: arm64: Fix order of vcpu_write_sys_reg() arguments KVM: arm/arm64: vgic: Fix source vcpu issues for GICv2 SGI
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull iommu fixes from Joerg Roedel: - fix a compile warning in the AMD IOMMU driver with irq remapping disabled - fix for VT-d interrupt remapping and invalidation size (caused a BUG_ON when trying to invalidate more than 4GB) - build fix and a regression fix for broken graphics with old DTS for the rockchip iommu driver - a revert in the PCI window reservation code which fixes a regression with VFIO. * tag 'iommu-fixes-v4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu: rockchip: fix building without CONFIG_OF iommu/vt-d: Use WARN_ON_ONCE instead of BUG_ON in qi_flush_dev_iotlb() iommu/vt-d: fix shift-out-of-bounds in bug checking iommu/dma: Move PCI window region reservation back into dma specific path. iommu/rockchip: Make clock handling optional iommu/amd: Hide unused iommu_table_lock iommu/vt-d: Fix usage of force parameter in intel_ir_reconfigure_irte()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fix from Thomas Gleixner: "Unbreak the CPUID CPUID_8000_0008_EBX reload which got dropped when the evaluation of physical and virtual bits which uses the same CPUID leaf was moved out of get_cpu_cap()" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu: Restore CPUID_8000_0008_EBX reload
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull clocksource fixes from Thomas Gleixner: "The recent addition of the early TSC clocksource breaks on machines which have an unstable TSC because in case that TSC is disabled, then the clocksource selection logic falls back to the early TSC which is obviously bogus. That also unearthed a few robustness issues in the clocksource derating code which are addressed as well" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: Rework stale comment clocksource: Consistent de-rate when marking unstable x86/tsc: Fix mark_tsc_unstable() clocksource: Initialize cs->wd_list clocksource: Allow clocksource_mark_unstable() on unregistered clocksources x86/tsc: Always unregister clocksource_tsc_early
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fix from Thomas Gleixner: "A single fix to prevent false positives in the spurious interrupt detector when more than a single demultiplex register is evaluated in the Qualcom irq combiner driver" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/qcom: Fix check for spurious interrupts
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git://git.infradead.org/linux-platform-drivers-x86Linus Torvalds authored
Pull x86 platform driver fixes from Darren Hart: - We missed a case in the Dell config dependencies resulting in a possible bad configuration, resolve it by giving up on trying to keep DELL_LAPTOP visible in the menu and make it depend on DELL_SMBIOS. - Fix a null pointer dereference at module unload for the asus-wireless driver. * tag 'platform-drivers-x86-v4.17-2' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: Kconfig: Fix dell-laptop dependency chain. platform/x86: asus-wireless: Fix NULL pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some USB driver fixes for 4.17-rc4. The majority of them are some USB gadget fixes that missed my last pull request. The "largest" patch in here is a fix for the old visor driver that syzbot found 6 months or so ago and I finally remembered to fix it. All of these have been in linux-next with no reported issues" * tag 'usb-4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: Revert "usb: host: ehci: Use dma_pool_zalloc()" usb: typec: tps6598x: handle block reads separately with plain-I2C adapters usb: typec: tcpm: Release the role mux when exiting USB: Accept bulk endpoints with 1024-byte maxpacket xhci: Fix use-after-free in xhci_free_virt_device USB: serial: visor: handle potential invalid device configuration USB: serial: option: adding support for ublox R410M usb: musb: trace: fix NULL pointer dereference in musb_g_tx() usb: musb: host: fix potential NULL pointer dereference usb: gadget: composite Allow for larger configuration descriptors usb: dwc3: gadget: Fix list_del corruption in dwc3_ep_dequeue usb: dwc3: gadget: dwc3_gadget_del_and_unmap_request() can be static usb: dwc2: pci: Fix error return code in dwc2_pci_probe() usb: dwc2: WA for Full speed ISOC IN in DDMA mode. usb: dwc2: dwc2_vbus_supply_init: fix error check usb: gadget: f_phonet: fix pn_net_xmit()'s return type
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- 05 May, 2018 15 commits
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Anthoine Bourgeois authored
Since the commit "8003c9ae: add APIC Timer periodic/oneshot mode VMX preemption timer support", a Windows 10 guest has some erratic timer spikes. Here the results on a 150000 times 1ms timer without any load: Before 8003c9ae | After 8003c9ae Max 1834us | 86000us Mean 1100us | 1021us Deviation 59us | 149us Here the results on a 150000 times 1ms timer with a cpu-z stress test: Before 8003c9ae | After 8003c9ae Max 32000us | 140000us Mean 1006us | 1997us Deviation 140us | 11095us The root cause of the problem is starting hrtimer with an expiry time already in the past can take more than 20 milliseconds to trigger the timer function. It can be solved by forward such past timers immediately, rather than submitting them to hrtimer_start(). In case the timer is periodic, update the target expiration and call hrtimer_start with it. v2: Check if the tsc deadline is already expired. Thank you Mika. v3: Execute the past timers immediately rather than submitting them to hrtimer_start(). v4: Rearm the periodic timer with advance_periodic_target_expiration() a simpler version of set_target_expiration(). Thank you Paolo. Cc: Mika Penttilä <mika.penttila@nextfour.com> Cc: Wanpeng Li <kernellwp@gmail.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@blade-group.com> 8003c9ae ("KVM: LAPIC: add APIC Timer periodic/oneshot mode VMX preemption timer support") Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarmRadim Krčmář authored
KVM/arm fixes for 4.17, take #2 - Fix proxying of GICv2 CPU interface accesses - Fix crash when switching to BE - Track source vcpu git GICv2 SGIs - Fix an outdated bit of documentation
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - remove state comment in modpost - extend MAINTAINERS entry to cover modpost and more makefiles - fix missed building of SANCOV gcc-plugin - replace left-over 'bison' with $(YACC) - display short log when generating parer of genksyms * tag 'kbuild-fixes-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: genksyms: fix typo in parse.tab.{c,h} generation rules kbuild: replace hardcoded bison in cmd_bison_h with $(YACC) gcc-plugins: fix build condition of SANCOV plugin MAINTAINERS: Update Kbuild entry with a few paths modpost: delete stale comment
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull clk fixes froom Stephen Boyd: "A handful of fixes for the stm32mp1 clk driver came in during the merge window for the driver that got merged in the merge window. Plus a warning fix for unused PM ops and a couple fixes for the meson clk driver clk names that went unnoticed with the regmap rework. There's also another fix in here for the mux rounding flag which wasn't doing what it said it did, but now it does" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: meson: meson8b: fix meson8b_cpu_clk parent clock name clk: meson: meson8b: fix meson8b_fclk_div3_div clock name clk: meson: drop meson_aoclk_gate_regmap_ops clk: meson: honor CLK_MUX_ROUND_CLOSEST in clk_regmap clk: honor CLK_MUX_ROUND_CLOSEST in generic clk mux clk: cs2000: mark resume function as __maybe_unused clk: stm32mp1: remove ck_apb_dbg clock clk: stm32mp1: set stgen_k clock as critical clk: stm32mp1: add missing tzc2 clock clk: stm32mp1: fix SAI3 & SAI4 clocks clk: stm32mp1: remove unused dfsdm_src[] const clk: stm32mp1: add missing static
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git://github.com/andersson/remoteprocLinus Torvalds authored
Pull remoteproc and rpmsg fixes from Bjorn Andersson: - fix screw-up when reversing boolean for rproc_stop() - add missing OF node refcounting dereferences - add missing MODULE_ALIAS in rpmsg_char * tag 'rproc-v4.17-1' of git://github.com/andersson/remoteproc: rpmsg: added MODULE_ALIAS for rpmsg_char remoteproc: qcom: Fix potential device node leaks remoteproc: fix crashed parameter logic on stop call
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "vmwgfx, i915, vc4, vga dac fixes. This seems eerily quiet, so I expect it will explode next week or something. One i915 model firmware, two vmwgfx fixes, one vc4 fix and one bridge leak fix" * tag 'drm-fixes-for-v4.17-rc4' of git://people.freedesktop.org/~airlied/linux: drm/bridge: vga-dac: Fix edid memory leak drm/vc4: Make sure vc4_bo_{inc,dec}_usecnt() calls are balanced drm/i915/glk: Add MODULE_FIRMWARE for Geminilake drm/vmwgfx: Fix a buffer object leak drm/vmwgfx: Clean up fbdev modeset locking
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing fixes from Steven Rostedt: "Some of the files in the tracing directory show file mode 0444 when they are writable by root. To fix the confusion, they should be 0644. Note, either case root can still write to them. Zhengyuan asked why I never applied that patch (the first one is from 2014!). I simply forgot about it. /me lowers head in shame" * tag 'trace-v4.17-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix the file mode of stack tracer ftrace: Have set_graph_* files have normal file modes
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds authored
Pull rdma fixes from Doug Ledford: "This is our first pull request of the rc cycle. It's not that it's been overly quiet, we were just waiting on a few things before sending this off. For instance, the 6 patch series from Intel for the hfi1 driver had actually been pulled in on Tuesday for a Wednesday pull request, only to have Jason notice something I missed, so we held off for some testing, and then on Thursday had to respin the series because the very first patch needed a minor fix (unnecessary cast is all). There is a sizable hns patch series in here, as well as a reasonably largish hfi1 patch series, then all of the lines of uapi updates are just the change to the new official Linux-OpenIB SPDX tag (a bunch of our files had what amounts to a BSD-2-Clause + MIT Warranty statement as their license as a result of the initial code submission years ago, and the SPDX folks decided it was unique enough to warrant a unique tag), then the typical mlx4 and mlx5 updates, and finally some cxgb4 and core/cache/cma updates to round out the bunch. None of it was overly large by itself, but in the 2 1/2 weeks we've been collecting patches, it has added up :-/. As best I can tell, it's been through 0day (I got a notice about my last for-next push, but not for my for-rc push, but Jason seems to think that failure messages are prioritized and success messages not so much). It's also been through linux-next. And yes, we did notice in the context portion of the CMA query gid fix patch that there is a dubious BUG_ON() in the code, and have plans to audit our BUG_ON usage and remove it anywhere we can. Summary: - Various build fixes (USER_ACCESS=m and ADDR_TRANS turned off) - SPDX license tag cleanups (new tag Linux-OpenIB) - RoCE GID fixes related to default GIDs - Various fixes to: cxgb4, uverbs, cma, iwpm, rxe, hns (big batch), mlx4, mlx5, and hfi1 (medium batch)" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (52 commits) RDMA/cma: Do not query GID during QP state transition to RTR IB/mlx4: Fix integer overflow when calculating optimal MTT size IB/hfi1: Fix memory leak in exception path in get_irq_affinity() IB/{hfi1, rdmavt}: Fix memory leak in hfi1_alloc_devdata() upon failure IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used IB/hfi1: Fix loss of BECN with AHG IB/hfi1 Use correct type for num_user_context IB/hfi1: Fix handling of FECN marked multicast packet IB/core: Make ib_mad_client_id atomic iw_cxgb4: Atomically flush per QP HW CQEs IB/uverbs: Fix kernel crash during MR deregistration flow IB/uverbs: Prevent reregistration of DM_MR to regular MR RDMA/mlx4: Add missed RSS hash inner header flag RDMA/hns: Fix a couple misspellings RDMA/hns: Submit bad wr RDMA/hns: Update assignment method for owner field of send wqe RDMA/hns: Adjust the order of cleanup hem table RDMA/hns: Only assign dqpn if IB_QP_PATH_DEST_QPN bit is set RDMA/hns: Remove some unnecessary attr_mask judgement RDMA/hns: Only assign mtu if IB_QP_PATH_MTU bit is set ...
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "A collection of fixes that should to into this release. This contains: - Set of bcache fixes from Coly, fixing regression in patches that went into this series. - Set of NVMe fixes by way of Keith. - Set of bdi related fixes, one from Jan and two from Tetsuo Handa, fixing various issues around device addition/removal. - Two block inflight fixes from Omar, fixing issues around the transition to using tags for blk-mq inflight accounting that we did a few releases ago" * tag 'for-linus-20180504' of git://git.kernel.dk/linux-block: bdi: Fix oops in wb_workfn() nvmet: switch loopback target state to connecting when resetting nvme/multipath: Fix multipath disabled naming collisions nvme/multipath: Disable runtime writable enabling parameter nvme: Set integrity flag for user passthrough commands nvme: fix potential memory leak in option parsing bdi: Fix use after free bug in debugfs_remove() bdi: wake up concurrent wb_shutdown() callers. bcache: use pr_info() to inform duplicated CACHE_SET_IO_DISABLE set bcache: set dc->io_disable to true in conditional_stop_bcache_device() bcache: add wait_for_kthread_stop() in bch_allocator_thread() bcache: count backing device I/O error for writeback I/O bcache: set CACHE_SET_IO_DISABLE in bch_cached_dev_error() bcache: store disk name in struct cache and struct cached_dev blk-mq: fix sysfs inflight counter blk-mq: count allocated but not started requests in iostats inflight
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs fixes from Darrick Wong: "I've got one more bug fix for xfs for 4.17-rc4, which caps the amount of data we try to handle in one dedupe request so that userspace can't livelock the kernel. This series has been run through a full xfstests run during the week and through a quick xfstests run against this morning's master, with no ajor failures reported. Summary: - Cap the maximum length of a deduplication request at MAX_RW_COUNT/2 to avoid kernel livelock due to excessively large IO requests" * tag 'xfs-4.17-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: cap the length of deduplication requests
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs fixes from David Sterba: "Two regression fixes and one fix for stable" * tag 'for-4.17-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Btrfs: send, fix missing truncate for inode with prealloc extent past eof btrfs: Take trans lock before access running trans in check_delayed_ref btrfs: Fix wrong first_key parameter in replace_path
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Mauro Rossi authored
'quet' is replaced by 'quiet' in scripts/genksyms/Makefile Signed-off-by: Mauro Rossi <issor.oruam@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Masahiro Yamada authored
Commit 73a4f6db ("kbuild: add LEX and YACC variables") missed to update cmd_bison_h somehow. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Masahiro Yamada authored
Since commit d677a4d6 ("Makefile: support flag -fsanitizer-coverage=trace-cmp"), you miss to build the SANCOV plugin under some circumstances. CONFIG_KCOV=y CONFIG_KCOV_ENABLE_COMPARISONS=y Your compiler does not support -fsanitize-coverage=trace-pc Your compiler does not support -fsanitize-coverage=trace-cmp Under this condition, $(CFLAGS_KCOV) is not empty but contains a space, so the following ifeq-conditional is false. ifeq ($(CFLAGS_KCOV),) Then, scripts/Makefile.gcc-plugins misses to add sancov_plugin.so to gcc-plugin-y while the SANCOV plugin is necessary as an alternative means. Fixes: d677a4d6 ("Makefile: support flag -fsanitizer-coverage=trace-cmp") Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kees Cook <keescook@chromium.org>
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Rasmus Villemoes authored
I managed to send some modpost patches to old addresses of both Masahiro and Michal, and omitted linux-kbuild from cc, because my tried and trusted scripts/get_maintainer wrapper failed me. Add the modpost directory to the MAINTAINERS entry, and while at it make the Makefile glob match scripts/Makefile itself, and add one matching the Kbuild.include file as well. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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- 04 May, 2018 3 commits
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Greg Kroah-Hartman authored
Merge tag 'usb-serial-4.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for v4.17-rc4 Here's a fix for a long-standing issue in the visor driver, which could have security implications. Included is also a new modem device id. Both commits have been in linux-next for a couple of days with no reported issues. Signed-off-by: Johan Hovold <johan@kernel.org>
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Greg Kroah-Hartman authored
This reverts commit 22072e83 as it is broken. Alan writes: What you can't see just from reading the patch is that in both cases (ehci->itd_pool and ehci->sitd_pool) there are two allocation paths -- the two branches of an "if" statement -- and only one of the paths calls dma_pool_[z]alloc. However, the memset is needed for both paths, and so it can't be eliminated. Given that it must be present, there's no advantage to calling dma_pool_zalloc rather than dma_pool_alloc. Reported-by: Erick Cafferata <erick@cafferata.me> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Souptick Joarder <jrdr.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mario Limonciello authored
As reported by Randy Dunlap: >> WARNING: unmet direct dependencies detected for DELL_SMBIOS >> Depends on [m]: X86 [=y] && X86_PLATFORM_DEVICES [=y] >> && (DCDBAS [=m] || >> DCDBAS [=m]=n) && (ACPI_WMI [=n] || ACPI_WMI [=n]=n) >> Selected by [y]: >> - DELL_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y] >> && DMI [=y] >> && BACKLIGHT_CLASS_DEVICE [=y] && (ACPI_VIDEO [=n] || >> ACPI_VIDEO [=n]=n) >> && (RFKILL [=n] || RFKILL [=n]=n) && SERIO_I8042 [=y] >> Right now it's possible to set dell laptop to compile in but this causes dell-smbios to compile in which breaks if dcdbas is a module. Dell laptop shouldn't select dell-smbios anymore, but depend on it. Fixes: 32d7b19b (platform/x86: dell-smbios: Resolve dependency error on DCDBAS) Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Cc: stable@vger.kernel.org Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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