SRU: Update to 2.6.35.6 stable kernel
 

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/649208

SRU Justification

Impact:

The upstream process for stable tree updates is quite similar in scope
to the Ubuntu SRU process, e.g., each patch has to demonstrably fix a
bug, and each patch is vetted by upstream by originating either directly
from Linus' tree or in a minimally backported form of that patch. The
2.6.35.6 upstream stable patch set is now available. It should be
included in the Ubuntu kernel as well.

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.6
http://kernel.org/pub/linux/kernel/v2.6/patch-2.6.35.6.bz2

Test Case: TBD

A full preview of the patch set can be found at:

http://kernel.ubuntu.com/git?p=ogasawara/ubuntu-maverick.git;a=shortlog;h=refs/heads/stable

I intend to upload a test kernel to my kernel-ppa once we've resolved LP
Bug 645653:

https://launchpad.net/~leannogasawara/+archive/kernel-ppa
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/645653

Additionally, the following patch was applied to 2.6.35.6 upstream
stable as a combination of two upstream commits which required
additional backporting. We'd already applied this commit as 3 separate
clean upstream cherry-picks so I've chosen to skip the stable patch in
favor of the cleaner upstream cherry-picks:

* intel_agp, drm/i915: Add all sandybridge graphics devices support

The following patches are in the 2.6.35.6 stable release:

* usb: musb_debugfs: don't use the struct file private_data field with seq_files
* USB: serial/mos*: prevent reading uninitialized stack memory
* bridge: Clear INET control block of SKBs passed into ip_fragment().
* gro: fix different skb headrooms
* gro: Re-fix different skb headrooms
* irda: Correctly clean up self->ias_obj on irda_bind() failure.
* rds: fix a leak of kernel memory
* net: RPS needs to depend upon USE_GENERIC_SMP_HELPERS
* tcp: Combat per-cpu skew in orphan tests.
* tcp: fix three tcp sysctls tuning
* tcp: select(writefds) don't hang up when a peer close connection
* tcp: Prevent overzealous packetization by SWS logic.
* udp: add rehash on connect()
* UNIX: Do not loop forever at unix_autobind().
* l2tp: test for ethernet header in l2tp_eth_dev_recv()
* net: blackhole route should always be recalculated
* sparc64: Get rid of indirect p1275 PROM call buffer.
* drivers/net/usb/hso.c: prevent reading uninitialized memory
* drivers/net/cxgb3/cxgb3_main.c: prevent reading uninitialized stack memory
* drivers/net/eql.c: prevent reading uninitialized stack memory
* bonding: correctly process non-linear skbs
* Staging: vt6655: fix buffer overflow
* net/llc: make opt unsigned in llc_ui_setsockopt()
* mm: fix swapin race condition
* mm: further fix swapin race condition
* virtio: console: Prevent userspace from submitting NULL buffers
* virtio: console: Fix poll blocking even though there is data to read
* intel_agp, drm/i915: Add all sandybridge graphics devices support
* agp/intel: fix physical address mask bits for sandybridge
* agp/intel: fix dma mask bits on sandybridge
* hw breakpoints: Fix pid namespace bug
* pid: make setpgid() system call use RCU read-side critical section
* sched: Fix user time incorrectly accounted as system time on 32-bit
* oprofile: Add Support for Intel CPU Family 6 / Model 22 (Intel Celeron 540)
* drm/i915,agp/intel: Add second set of PCI-IDs for B43
* bdi: Initialize noop_backing_dev_info properly
* char: Mark /dev/zero and /dev/kmem as not capable of writeback
* drivers/pci/intel-iommu.c: fix build with older gcc's
* mmap: call unlink_anon_vmas() in __split_vma() in case of error
* drivers/video/sis/sis_main.c: prevent reading uninitialized stack memory
* rtc: s3c: balance state changes of wakeup flag
* Prevent freeing uninitialized pointer in compat_do_readv_writev
* /proc/vmcore: fix seeking
* vmscan: check all_unreclaimable in direct reclaim path
* percpu: fix pcpu_last_unit_cpu
* aio: do not return ERESTARTSYS as a result of AIO
* aio: check for multiplication overflow in do_io_submit
* x86 platform drivers: hp-wmi Reorder event id processing
* GFS2: gfs2_logd should be using interruptible waits
* drm/nv50: initialize ramht_refs list for faked 0 channel
* inotify: send IN_UNMOUNT events
* SCSI: mptsas: fix hangs caused by ATA pass-through
* KVM: Keep slot ID in memory slot structure
* KVM: Prevent internal slots from being COWed
* KVM: MMU: fix direct sp's access corrupted
* KVM: x86: emulator: inc/dec can have lock prefix
* KVM: MMU: fix mmu notifier invalidate handler for huge spte
* KVM: VMX: Fix host GDT.LIMIT corruption
* IA64: fix siglock
* IA64: Optimize ticket spinlocks in fsys_rt_sigprocmask
* KEYS: Fix RCU no-lock warning in keyctl_session_to_parent()
* KEYS: Fix bug in keyctl_session_to_parent() if parent has no session keyring
* xfs: prevent reading uninitialized stack memory
* drivers/video/via/ioctl.c: prevent reading uninitialized stack memory
* AT91: change dma resource index
* PM: Prevent waiting forever on asynchronous resume after failing suspend
* PM / Hibernate: Avoid hitting OOM during preallocation of memory
* x86, asm: Use a lower case name for the end macro in atomic64_386_32.S
* ALSA: hda - Fix beep frequency on IDT 92HD73xx and 92HD71Bxx codecs
* Fix call to replaced SuperIO functions
* dell-wmi: Add support for eject key on Dell Studio 1555
* mm: page allocator: drain per-cpu lists after direct reclaim allocation fails
* mm: page allocator: calculate a better estimate of NR_FREE_PAGES when memory is low and kswapd is awake
* mm: page allocator: update free page counters after pages are placed on the free list
* guard page for stacks that grow upwards
* Fix unprotected access to task credentials in waitid()
* sctp: Do not reset the packet during sctp_packet_config().
* drm/i915: Ensure that the crtcinfo is populated during mode_fixup()
* alpha: Fix printk format errors
* Linux 2.6.35.6



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