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Groups > linux.kernel > #1201875

Re: [PATCH 3.19.y-ckt 096/107] fsnotify: fix oops in fsnotify_clear_marks_by_group_flags()

From Kamal Mostafa <kamal@canonical.com>
Newsgroups linux.kernel
Subject Re: [PATCH 3.19.y-ckt 096/107] fsnotify: fix oops in fsnotify_clear_marks_by_group_flags()
Date 2015-08-06 18:00 +0200
Message-ID <pUvKi-57B-27@gated-at.bofh.it> (permalink)
References <pUeJs-5l3-25@gated-at.bofh.it> <pUeT9-5wN-35@gated-at.bofh.it> <pUv7A-4og-29@gated-at.bofh.it>
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On Thu, 2015-08-06 at 17:12 +0200, Jan Kara wrote:
> On Wed 05-08-15 14:49:28, Kamal Mostafa wrote:
> > 3.19.8-ckt5 -stable review patch.  If anyone has any objections, please let me know.
> 
> The patch was later reverted so please don't push it to stable.
> 
> 								Honza


Thanks very much Jan.  Dropped from 3.19-stable.

 -Kamal


> > ------------------
> > 
> > From: Jan Kara <jack@suse.cz>
> > 
> > commit a2673b6e040663bf16a552f8619e6bde9f4b9acf upstream.
> > 
> > fsnotify_clear_marks_by_group_flags() can race with
> > fsnotify_destroy_marks() so when fsnotify_destroy_mark_locked() drops
> > mark_mutex, a mark from the list iterated by
> > fsnotify_clear_marks_by_group_flags() can be freed and we dereference free
> > memory in the loop there.
> > 
> > Fix the problem by keeping mark_mutex held in
> > fsnotify_destroy_mark_locked().  The reason why we drop that mutex is that
> > we need to call a ->freeing_mark() callback which may acquire mark_mutex
> > again.  To avoid this and similar lock inversion issues, we move the call
> > to ->freeing_mark() callback to the kthread destroying the mark.
> > 
> > Signed-off-by: Jan Kara <jack@suse.cz>
> > Reported-by: Ashish Sangwan <a.sangwan@samsung.com>
> > Suggested-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
> > Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> > Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> > Signed-off-by: Kamal Mostafa <kamal@canonical.com>
> > ---
> >  fs/notify/mark.c | 34 ++++++++++++++--------------------
> >  1 file changed, 14 insertions(+), 20 deletions(-)
> > 
> > diff --git a/fs/notify/mark.c b/fs/notify/mark.c
> > index 92e48c7..3e594ce4 100644
> > --- a/fs/notify/mark.c
> > +++ b/fs/notify/mark.c
> > @@ -152,31 +152,15 @@ void fsnotify_destroy_mark_locked(struct fsnotify_mark *mark,
> >  		BUG();
> >  
> >  	list_del_init(&mark->g_list);
> > -
> >  	spin_unlock(&mark->lock);
> >  
> >  	if (inode && (mark->flags & FSNOTIFY_MARK_FLAG_OBJECT_PINNED))
> >  		iput(inode);
> > -	/* release lock temporarily */
> > -	mutex_unlock(&group->mark_mutex);
> >  
> >  	spin_lock(&destroy_lock);
> >  	list_add(&mark->g_list, &destroy_list);
> >  	spin_unlock(&destroy_lock);
> >  	wake_up(&destroy_waitq);
> > -	/*
> > -	 * We don't necessarily have a ref on mark from caller so the above destroy
> > -	 * may have actually freed it, unless this group provides a 'freeing_mark'
> > -	 * function which must be holding a reference.
> > -	 */
> > -
> > -	/*
> > -	 * Some groups like to know that marks are being freed.  This is a
> > -	 * callback to the group function to let it know that this mark
> > -	 * is being freed.
> > -	 */
> > -	if (group->ops->freeing_mark)
> > -		group->ops->freeing_mark(mark, group);
> >  
> >  	/*
> >  	 * __fsnotify_update_child_dentry_flags(inode);
> > @@ -191,8 +175,6 @@ void fsnotify_destroy_mark_locked(struct fsnotify_mark *mark,
> >  	 */
> >  
> >  	atomic_dec(&group->num_marks);
> > -
> > -	mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING);
> >  }
> >  
> >  void fsnotify_destroy_mark(struct fsnotify_mark *mark,
> > @@ -205,7 +187,10 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark,
> >  
> >  /*
> >   * Destroy all marks in the given list. The marks must be already detached from
> > - * the original inode / vfsmount.
> > + * the original inode / vfsmount. Note that we can race with
> > + * fsnotify_clear_marks_by_group_flags(). However we hold a reference to each
> > + * mark so they won't get freed from under us and nobody else touches our
> > + * free_list list_head.
> >   */
> >  void fsnotify_destroy_marks(struct list_head *to_free)
> >  {
> > @@ -406,7 +391,7 @@ struct fsnotify_mark *fsnotify_find_mark(struct hlist_head *head,
> >  }
> >  
> >  /*
> > - * clear any marks in a group in which mark->flags & flags is true
> > + * Clear any marks in a group in which mark->flags & flags is true.
> >   */
> >  void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group,
> >  					 unsigned int flags)
> > @@ -460,6 +445,7 @@ static int fsnotify_mark_destroy(void *ignored)
> >  {
> >  	struct fsnotify_mark *mark, *next;
> >  	struct list_head private_destroy_list;
> > +	struct fsnotify_group *group;
> >  
> >  	for (;;) {
> >  		spin_lock(&destroy_lock);
> > @@ -471,6 +457,14 @@ static int fsnotify_mark_destroy(void *ignored)
> >  
> >  		list_for_each_entry_safe(mark, next, &private_destroy_list, g_list) {
> >  			list_del_init(&mark->g_list);
> > +			group = mark->group;
> > +			/*
> > +			 * Some groups like to know that marks are being freed.
> > +			 * This is a callback to the group function to let it
> > +			 * know that this mark is being freed.
> > +			 */
> > +			if (group && group->ops->freeing_mark)
> > +				group->ops->freeing_mark(mark, group);
> >  			fsnotify_put_mark(mark);
> >  		}
> >  
> > -- 
> > 1.9.1
> > 


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[3.19.y-ckt stable] Linux 3.19.8-ckt5 stable review Kamal Mostafa <kamal@canonical.com> - 2015-08-05 23:50 +0200
  [PATCH 3.19.y-ckt 086/107] staging: vt6656: check ieee80211_bss_conf bssid not NULL Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 098/107] net: call rcu_read_lock early in process_backlog Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 094/107] ARM: 8404/1: dma-mapping: fix off-by-one error in bitmap size check Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 091/107] drm/radeon: fix user ptr race condition Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 079/107] can: c_can: Fix default pinmux glitch at init Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 088/107] scsi: fix host max depth checking for the 'queue_depth' sysfs interface Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 103/107] net: graceful exit from netif_alloc_netdev_queues() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 077/107] Btrfs: fix list transaction->pending_ordered corruption Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 100/107] bridge: mdb: start delete timer for temp static entries Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 081/107] ARC: make sure instruction_pointer() returns unsigned value Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 080/107] ARM: dts: dra7x-evm: Prevent glitch on DCAN1 pinmux Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 104/107] net: dsa: Fix off-by-one in switch address parsing Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 092/107] drm/radeon/ci: silence a harmless PCC warning Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 085/107] staging: vt6655: check ieee80211_bss_conf bssid not NULL Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 089/107] drm/radeon: add a dpm quirk for Sapphire Radeon R9 270X 2GB GDDR5 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
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  [PATCH 3.19.y-ckt 096/107] fsnotify: fix oops in fsnotify_clear_marks_by_group_flags() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
    Re: [PATCH 3.19.y-ckt 096/107] fsnotify: fix oops in  fsnotify_clear_marks_by_group_flags() Jan Kara <jack@suse.cz> - 2015-08-06 17:20 +0200
      Re: [PATCH 3.19.y-ckt 096/107] fsnotify: fix oops in  fsnotify_clear_marks_by_group_flags() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 18:00 +0200
  [PATCH 3.19.y-ckt 001/107] ieee802154: Fix sockaddr_ieee802154 implicit padding information leak. Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 011/107] KEYS: ensure we free the assoc array edit if edit is valid Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 083/107] Revert "drm/i915: Declare the swizzling unknown for L-shaped configurations" Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 063/107] USB: cp210x: add ID for Aruba Networks controllers Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 105/107] perf hists browser: Take the --comm, --dsos, etc filters into account Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 095/107] dma-debug: skip debug_dma_assert_idle() when disabled Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 087/107] st: null pointer dereference panic caused by use after kref_put by st_open Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 082/107] s390/process: fix sfpc inline assembly Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 090/107] drm/radeon: Don't flush the GART TLB if rdev->gart.ptr == NULL Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 106/107] net: dsa: Test array index before use Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 066/107] usb: f_mass_storage: limit number of reported LUNs Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 073/107] drivers: net: cpsw: fix crash while accessing second slave ethernet interface Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 107/107] rds: rds_ib_device.refcount overflow Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 097/107] ipv6: Make MLD packets to only be processed locally Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 099/107] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 093/107] genirq: Prevent resend to interrupts marked IRQ_NESTED_THREAD Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 102/107] net: do not process device backlog during unregistration Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 101/107] bridge: mdb: zero out the local br_ip variable before use Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:00 +0200
  [PATCH 3.19.y-ckt 004/107] x86/asm/entry/64: Remove a redundant jump Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 060/107] ARC: Override toplevel default -O2 with -O3 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 071/107] ARM: dts: mx23: fix iio-hwmon support Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 069/107] drm: add a check for x/y in drm_mode_setcrtc Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 064/107] dm btree: silence lockdep lock inversion in dm_btree_del() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 054/107] iio: light: tcs3414: Fix bug preventing to set integration time Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 068/107] drm/rockchip: use drm_gem_mmap helpers Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 062/107] USB: option: add 2020:4000 ID Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 076/107] Btrfs: fix memory leak in the extent_same ioctl Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 067/107] s390/sclp: clear upper register halves in _sclp_print_early Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 052/107] iio: DAC: ad5624r_spi: fix bit shift of output data value Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 070/107] bio integrity: do not assume bio_integrity_pool exists if bioset exists Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 051/107] iio: inv-mpu: Specify the expected format/precision for write channels Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 056/107] iio: tmp006: Check channel info on write Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 075/107] KVM: VMX: fix vmwrite to invalid VMCS Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 048/107] drivers: clk: st: Fix flexgen lock init Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 027/107] drm/i915: Declare the swizzling unknown for L-shaped configurations Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
    Re: [PATCH 3.19.y-ckt 027/107] drm/i915: Declare the swizzling  unknown for L-shaped configurations Kamal Mostafa <kamal@canonical.com> - 2015-08-06 19:00 +0200
  [PATCH 3.19.y-ckt 061/107] crypto: omap-des - Fix unmapping of dma channels Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 072/107] tracing: Have branch tracer use recursive field of task struct Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 078/107] can: rcar_can: fix IRQ check Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 065/107] usb: musb: host: rely on port_mode to call musb_start() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 003/107] x86/asm/entry/64: Fold the 'test_in_nmi' macro into its only user Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 049/107] iio: adc: rockchip_saradc: add missing MODULE_* data Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 058/107] dm thin: allocate the cell_sort_array dynamically Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 059/107] kbuild: Allow arch Makefiles to override {cpp,ld,c}flags Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 047/107] ARM: 8393/1: smp: Fix suspicious RCU usage with ipi tracepoints Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 057/107] dm btree remove: fix bug in redistribute3 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 050/107] iio: twl4030-madc: Pass the IRQF_ONESHOT flag Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 053/107] iio: adc: at91_adc: allow to use full range of startup time Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 055/107] ALSA: usb-audio: Add MIDI support for Steinberg MI2/MI4 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 074/107] USB: serial: Destroy serial_minors IDR on module exit Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:10 +0200
  [PATCH 3.19.y-ckt 021/107] ext4: replace open coded nofail allocation in ext4_free_blocks() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 032/107] MIPS: kernel: cps-vec: Replace KSEG0 with CKSEG0 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 043/107] freeing unlinked file indefinitely delayed Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 023/107] ACPI / PNP: Reserve ACPI resources at the fs_initcall_sync stage Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 034/107] drm/radeon: Clean up reference counting and pinning of the cursor BOs Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 036/107] mm: avoid setting up anonymous pages into file mapping Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 020/107] ext4: correctly migrate a file with a hole at the beginning Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 042/107] 9p: don't leave a half-initialized inode sitting around Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 040/107] cxl: Check if afu is not null in cxl_slbia Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 022/107] ARM: dts: am57xx-beagle-x15: Provide supply for usb2_phy2 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 028/107] MIPS: kernel: smp-cps: Fix 64-bit compatibility errors due to pointer casting Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 039/107] hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 029/107] MIPS: kernel: cps-vec: Replace 'la' macro with PTR_LA Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 017/107] ext4: avoid deadlocks in the writeback path by using sb_getblk_gfp Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 037/107] selinux: don't waste ebitmap space when importing NetLabel categories Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 015/107] Btrfs: fix fsync data loss after append write Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 031/107] MIPS: kernel: cps-vec: Use ta0-ta3 pseudo-registers for 64-bit Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 044/107] clk: qcom: Use parent rate when set rate to pixel RCG clock Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 018/107] ext4: fix reservation release on invalidatepage for delalloc fs Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 019/107] ext4: be more strict when migrating to non-extent based file Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 035/107] drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2) Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 026/107] drm/radeon: fix HDP flushing Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 030/107] MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 033/107] MIPS: cps-vec: Use macros for various arithmetics and memory operations Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 045/107] drivers: clk: st: Incorrect register offset used for lock_status Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 046/107] drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 038/107] hpfs: kstrdup() out of memory handling Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 025/107] cxl: Fix off by one error allowing subsequent mmap page to be accessed Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 041/107] parisc: Fix some PTE/TLB race conditions and optimize __flush_tlb_range based on timing results Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 024/107] powerpc/powernv: Fix race in updating core_idle_state Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:20 +0200
  [PATCH 3.19.y-ckt 016/107] bufferhead: Add _gfp version for sb_getblk() Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 013/107] Btrfs: use kmem_cache_free when freeing entry in inode cache Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 006/107] x86/nmi/64: Remove asm code that saves cr2 Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 008/107] x86/nmi/64: Improve nested NMI comments Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 012/107] sg_start_req(): make sure that there's not too many elements in iovec Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 005/107] x86/nmi: Enable nested do_nmi handling for 64-bit kernels Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 007/107] x86/nmi/64: Switch stacks on userspace NMI entry Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 002/107] evm: labeling pseudo filesystems exception Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 014/107] Btrfs: fix race between caching kthread and returning inode to inode cache Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 009/107] x86/nmi/64: Reorder nested NMI checks Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200
  [PATCH 3.19.y-ckt 010/107] x86/nmi/64: Use DF to avoid userspace RSP confusing nested NMI detection Kamal Mostafa <kamal@canonical.com> - 2015-08-06 00:30 +0200

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