1. 26 Nov, 2020 3 commits
  2. 25 Nov, 2020 1 commit
  3. 23 Nov, 2020 2 commits
  4. 19 Nov, 2020 10 commits
  5. 18 Nov, 2020 1 commit
  6. 17 Nov, 2020 1 commit
  7. 12 Nov, 2020 1 commit
  8. 10 Nov, 2020 1 commit
  9. 09 Nov, 2020 2 commits
    • Thomas Zimmermann's avatar
      drm/gma500: Fix out-of-bounds access to struct drm_device.vblank[] · 06ad8d33
      Thomas Zimmermann authored
      The gma500 driver expects 3 pipelines in several it's IRQ functions.
      Accessing struct drm_device.vblank[], this fails with devices that only
      have 2 pipelines. An example KASAN report is shown below.
      
        [   62.267688] ==================================================================
        [   62.268856] BUG: KASAN: slab-out-of-bounds in psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
        [   62.269450] Read of size 1 at addr ffff8880012bc6d0 by task systemd-udevd/285
        [   62.269949]
        [   62.270192] CPU: 0 PID: 285 Comm: systemd-udevd Tainted: G            E     5.10.0-rc1-1-default+ #572
        [   62.270807] Hardware name:  /DN2800MT, BIOS MTCDT10N.86A.0164.2012.1213.1024 12/13/2012
        [   62.271366] Call Trace:
        [   62.271705]  dump_stack+0xae/0xe5
        [   62.272180]  print_address_description.constprop.0+0x17/0xf0
        [   62.272987]  ? psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
        [   62.273474]  __kasan_report.cold+0x20/0x38
        [   62.273989]  ? psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
        [   62.274460]  kasan_report+0x3a/0x50
        [   62.274891]  psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
        [   62.275380]  drm_irq_install+0x131/0x1f0
        <...>
        [   62.300751] Allocated by task 285:
        [   62.301223]  kasan_save_stack+0x1b/0x40
        [   62.301731]  __kasan_kmalloc.constprop.0+0xbf/0xd0
        [   62.302293]  drmm_kmalloc+0x55/0x100
        [   62.302773]  drm_vblank_init+0x77/0x210
      
      Resolve the issue by only handling vblank entries up to the number of
      CRTCs.
      
      I'm adding a Fixes tag for reference, although the bug has been present
      since the driver's initial commit.
      Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
      Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
      Fixes: 5c49fd3a ("gma500: Add the core DRM files and headers")
      Cc: Alan Cox <alan@linux.intel.com>
      Cc: Dave Airlie <airlied@redhat.com>
      Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
      Cc: dri-devel@lists.freedesktop.org
      Cc: stable@vger.kernel.org#v3.3+
      Link: https://patchwork.freedesktop.org/patch/msgid/20201105190256.3893-1-tzimmermann@suse.de
      06ad8d33
    • Olaf Hering's avatar
      video: hyperv_fb: include vmalloc.h · 34a28083
      Olaf Hering authored
      hvfb_getmem uses vzalloc, therefore vmalloc.h should be included.
      
      Fixes commit d21987d7 ("video: hyperv:
      hyperv_fb: Support deferred IO for Hyper-V frame buffer driver")
      Signed-off-by: default avatarOlaf Hering <olaf@aepfle.de>
      Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
      Link: https://patchwork.freedesktop.org/patch/msgid/20201106183941.9751-1-olaf@aepfle.de
      34a28083
  10. 08 Nov, 2020 1 commit
  11. 03 Nov, 2020 4 commits
  12. 02 Nov, 2020 6 commits
  13. 01 Nov, 2020 7 commits
    • Linus Torvalds's avatar
      Linux 5.10-rc2 · 3cea11cd
      Linus Torvalds authored
      3cea11cd
    • Linus Torvalds's avatar
      Merge tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 7b56fbd8
      Linus Torvalds authored
      Pull x86 fixes from Thomas Gleixner:
       "Three fixes all related to #DB:
      
         - Handle the BTF bit correctly so it doesn't get lost due to a kernel
           #DB
      
         - Only clear and set the virtual DR6 value used by ptrace on user
           space triggered #DB. A kernel #DB must leave it alone to ensure
           data consistency for ptrace.
      
         - Make the bitmasking of the virtual DR6 storage correct so it does
           not lose DR_STEP"
      
      * tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/debug: Fix DR_STEP vs ptrace_get_debugreg(6)
        x86/debug: Only clear/set ->virtual_dr6 for userspace #DB
        x86/debug: Fix BTF handling
      7b56fbd8
    • Linus Torvalds's avatar
      Merge tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 4312e0e8
      Linus Torvalds authored
      Pull timer fixes from Thomas Gleixner:
       "A few fixes for timers/timekeeping:
      
         - Prevent undefined behaviour in the timespec64_to_ns() conversion
           which is used for converting user supplied time input to
           nanoseconds. It lacked overflow protection.
      
         - Mark sched_clock_read_begin/retry() to prevent recursion in the
           tracer
      
         - Remove unused debug functions in the hrtimer and timerlist code"
      
      * tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        time: Prevent undefined behaviour in timespec64_to_ns()
        timers: Remove unused inline funtion debug_timer_free()
        hrtimer: Remove unused inline function debug_hrtimer_free()
        time/sched_clock: Mark sched_clock_read_begin/retry() as notrace
      4312e0e8
    • Linus Torvalds's avatar
      Merge tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 82423b46
      Linus Torvalds authored
      Pull smp fix from Thomas Gleixner:
       "A single fix for stop machine.
      
        Mark functions no trace to prevent a crash caused by recursion when
        enabling or disabling a tracer on RISC-V (probably all architectures
        which patch through stop machine)"
      
      * tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        stop_machine, rcu: Mark functions as notrace
      82423b46
    • Linus Torvalds's avatar
      Merge tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 8d99084e
      Linus Torvalds authored
      Pull locking fixes from Thomas Gleixner:
       "A couple of locking fixes:
      
         - Fix incorrect failure injection handling in the fuxtex code
      
         - Prevent a preemption warning in lockdep when tracking
           local_irq_enable() and interrupts are already enabled
      
         - Remove more raw_cpu_read() usage from lockdep which causes state
           corruption on !X86 architectures.
      
         - Make the nr_unused_locks accounting in lockdep correct again"
      
      * tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        lockdep: Fix nr_unused_locks accounting
        locking/lockdep: Remove more raw_cpu_read() usage
        futex: Fix incorrect should_fail_futex() handling
        lockdep: Fix preemption WARN for spurious IRQ-enable
      8d99084e
    • Linus Torvalds's avatar
      Merge tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc · 31f02006
      Linus Torvalds authored
      Pull char/misc fixes/removals from Greg KH:
       "Here's some small fixes for 5.10-rc2 and a big driver removal.
      
        The fixes are for some reported issues in the interconnect and
        coresight drivers, nothing major.
      
        The "big" driver removal is the MIC drivers have been asked to be
        removed as the hardware never shipped and Intel no longer wants to
        maintain something that no one can use. This is welcomed by many as
        the DMA usage of these drivers was "interesting" and the security
        people were starting to question some issues that were starting to be
        found in the codebase.
      
        Note, one of the subsystems for this driver, the "VOP" code, will
        probably come back in future kernel versions as it was looking to
        potentially solve some PCIe virtualization issues that a number of
        other vendors were wanting to solve. But as-is, this codebase didn't
        work for anyone else so no actual functionality is being removed.
      
        All of these have been in linux-next with no reported issues"
      
      * tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
        coresight: cti: Initialize dynamic sysfs attributes
        coresight: Fix uninitialised pointer bug in etm_setup_aux()
        coresight: add module license
        misc: mic: remove the MIC drivers
        interconnect: qcom: use icc_sync state for sm8[12]50
        interconnect: qcom: Ensure that the floor bandwidth value is enforced
        interconnect: qcom: sc7180: Init BCMs before creating the nodes
        interconnect: qcom: sdm845: Init BCMs before creating the nodes
        interconnect: Aggregate before setting initial bandwidth
        interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
      31f02006
    • Linus Torvalds's avatar
      Merge tag 'driver-core-5.10-rc2' of... · 9c75b68b
      Linus Torvalds authored
      Merge tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
      
      Pull driver core and documentation fixes from Greg KH:
       "Here is one tiny debugfs change to fix up an API where the last user
        was successfully fixed up in 5.10-rc1 (so it couldn't be merged
        earlier), and a much larger Documentation/ABI/ update to the files so
        they can be automatically parsed by our tools.
      
        The Documentation/ABI/ updates are just formatting issues, small ones
        to bring the files into parsable format, and have been acked by
        numerous subsystem maintainers and the documentation maintainer. I
        figured it was good to get this into 5.10-rc2 to help wih the merge
        issues that would arise if these were to stick in linux-next until
        5.11-rc1.
      
        The debugfs change has been in linux-next for a long time, and the
        Documentation updates only for the last linux-next release"
      
      * tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (40 commits)
        scripts: get_abi.pl: assume ReST format by default
        docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplication
        docs: ABI: sysfs-class-backlight: unify ABI documentation
        docs: ABI: sysfs-c2port: remove a duplicated entry
        docs: ABI: sysfs-class-power: unify duplicated properties
        docs: ABI: unify /sys/class/leds/<led>/brightness documentation
        docs: ABI: stable: remove a duplicated documentation
        docs: ABI: change read/write attributes
        docs: ABI: cleanup several ABI documents
        docs: ABI: sysfs-bus-nvdimm: use the right format for ABI
        docs: ABI: vdso: use the right format for ABI
        docs: ABI: fix syntax to be parsed using ReST notation
        docs: ABI: convert testing/configfs-acpi to ReST
        docs: Kconfig/Makefile: add a check for broken ABI files
        docs: abi-testing.rst: enable --rst-sources when building docs
        docs: ABI: don't escape ReST-incompatible chars from obsolete and removed
        docs: ABI: create a 2-depth index for ABI
        docs: ABI: make it parse ABI/stable as ReST-compatible files
        docs: ABI: sysfs-uevent: make it compatible with ReST output
        docs: ABI: testing: make the files compatible with ReST output
        ...
      9c75b68b