[Inrepid] SRU: Update kernel to Linux 2.6.27.18

Thu Feb 19 13:32:34 UTC 2009

Andy Whitcroft wrote:
> On Wed, Feb 18, 2009 at 09:01:03AM +0100, Stefan Bader wrote:
>> SRU justification:
>>
>> Impact: Several bug fixes and updates to get in sync with upstream stable. This 
>> update features one vmware fix that we were asked to pick up on the kerne-team 
>> mailing list, replaces one patch that was carried as SAUCE patch, as well as a 
>> few fixes to previous stable releases.
>>
>> Fix:
>>   * Fix page writeback thinko, causing Berkeley DB slowdown
> simple, performance issue for write out, this could be the trigger for
> the io performance issues we have been seeing
> 
>>   * iwlwifi: scan correct setting of valid rx_chains
> simple, intel wireless specific
> 
>>   * kernel-doc: fix syscall wrapper processing
> safe, does not touch kernel source
> 
>>   * lockd: fix regression in lockd's handling of blocked locks
> simple, NFS lockd fix
> 
>>   * nbd: fix I/O hang on disconnected nbds
> simple, network block devices, prevents hands on lost connections
> 
>>   * parport: parport_serial, don't bind netmos ibm 0299
> simple, hardware (IBM:0x0299) specific quirk
> 
>>   * powerpc: Fix swapcontext system for VSX + old ucontext size
> significant, rewrite of swapcontext handling, PORTS/powerpc kernel only
> 
>> 1 * powerpc/fsl-booke: Fix mapping functions to use phys_addr_t(1)
> simple, type change only, PORTS/powerpc kernel only, ABI BUMP
> 
>>   * syscall define: fix uml compile bug
> simple, affects syscall function definitions, if it boots it works
> 
>>   * w1: w1 temp calculation overflow fix
> simple, hardware sensor specific
> 
>>   * write-back: fix nr_to_write counter
>>   * writeback: fix break condition
> medium, together ensure integrity write back writes sufficient pages,
> data integrity issue
> 
>> 2 * x86, vmi: put a missing paravirt_release_pmd in pgd_dtor(2)
> simple, page table page handling fix, virtual machine specific
> 
>>   * zd1211rw: adding 0ace:0xa211 as a ZD1211 device
> simple, hardware (0ace:a211) specific quirk
> 
>>   * zd1211rw: treat MAXIM_NEW_RF(0x08) as UW2453_RF(0x09) for TP-Link WN322/422G
> simple, hardware (MAXIM_NEW_RF) specific quirk
> 
>>   * sctp: Fix crc32c calculations on big-endian arhes.
> simple, fixes CRC32C calculation, big-endian arches only, PORTS only
> 
>>   * sctp: Correctly start rtx timer on new packet transmissions.
>>   * sctp: Properly timestamp outgoing data chunks for rtx purposes
> simple, together shorten and fix retry timers on SCTP packets, SCTP only
> 
>>   * drivers/net/skfp: if !capable(CAP_NET_ADMIN): inverted logic
> simple, FDDI device specific
> 
>>   * ipv4: fix infinite retry loop in IP-Config
> simple, fixes configuration infinite loop
> 
>>   * ipv6: Disallow rediculious flowlabel option sizes.
> simple, limits IPv6 options to 64k, IPv6 specific
> 
>>   * ipv6: Copy cork options in ip6_append_data
> simple, IPv6 specific
> 
>>   * net: 4 bytes kernel memory disclosure in SO_BSDCOMPAT gsopt try #2
> simple, potential data leak to userspace
> 
>>   * net: packet socket packet_lookup_frame fix
> simple, packet loss on AF_PACKET sockets
> 
>>   * sky2: fix hard hang with netconsoling and iface going up
> simple, network console specific
> 
>>   * sungem: Soft lockup in sungem on Netra AC200 when switching interface up
> simple, hardware (sungem) specific
> 
>>   * tun: Add some missing TUN compat ioctl translations.
> simple, adds 32bit compatibility ioctls
> 
>>   * tun: Fix unicast filter overflow
> simple, ensures match overflow still works
> 
>>   * udp: Fix UDP short packet false positive
> simple, fixes currently incorrectly dropped UDP packages, not
> triggerable by most net devices
> 
>>   * udp: increments sk_drops in __udp_queue_rcv_skb()
> simple, udp error accounting fix
> 
>>   * virtio_net: Fix MAX_PACKET_LEN to support 802.1Q VLANs
> simple, buffer sizing issue for KVM etc
> 
>>   * net: Fix frag_list handling in skb_seq_read
>>   * net: Fix OOPS in skb_seq_read().
> medium, together fix fragment handling
> 
>>   * packet: Avoid lock_sock in mmap handler
> medium, locking change to avoid deadlock in AF_PACKET mmap handler
> 
>>   * tcp: splice as many packets as possible at once
> simple, network performance improvement, splice users only
> 
>>   * tcp: Fix length tcp_splice_data_recv passes to skb_splice_bits.
> simple, duplicated data error with urgent data, splice users only
> 
>>   * sparc: Enable syscall wrappers for 64-bit (CVE-2009-0029)
>>   * sparc64: Annotate sparc64 specific syscalls with SYSCALL_DEFINEx()
> simple, switch to SYSCALL() for sparc64, PORTS only, ABI BUMP
> 
>>   * netfilter: fix tuple inversion for Node information request
> simple, netfilter matching fix
> 
>>   * netfilter: xt_sctp: sctp chunk mapping doesn't work
> simple, using incorrect buffer
> 
>>   * bluetooth hid: enable quirk handling for Apple Wireless Keyboards in 2.6.27
>>     * Revert "UBUNTU: SAUCE: Add back in lost commit for Apple BT Wireless
>>       Keyboard"
> simple, hardware specific quirks, does change the quirk slightly needs
> testing
> 
> +       { 0x05ac, 0x022c, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN },
> -       { 0x05ac, 0x022c, HID_QUIRK_APPLE_HAS_FN },
> 
>>   * HID: adjust report descriptor fixup for MS 1028 receiver
> medium, well tested both in jaunty and by testers on bug #281993.
> 
>>   * libata: fix EH device failure handling
> simple, SATA handling fixes
> 
>>   * ide/libata: fix ata_id_is_cfa() (take 4)
> simple, fixes detection of some modern compact flash cards, CF card
> specific
> 
>>   * x86: fixup config space size of CPU functions for AMD family 11h
> simple, hardware specific for AMD 11h CPUs
> 
>>   * mac80211: fix a buffer overrun in station debug code
> simple, fixes debug only buffer overrun, potential for data leak to
> userspace without this
> 
>>   * ALSA: mtpav - Fix initial value for input hwport
> simple, avoid oops on early receive, midi port specific
> 
>>   * net: Fix data corruption when splicing from sockets.
> major, prevents possible data leak to network
> 
>>   * Linux 2.6.27.18
> simple
> 
>> (1) Would bump the ABI for ports(powerpc)
>> (2) This patch was requested on the kernel-team mailing list
> 
> I think this one is an ABI bumper for PORTS(sparc64):
> 
>     * sparc64: Annotate sparc64 specific syscalls with SYSCALL_DEFINEx()
> 
> I suspect all three of these couple be seen as potential security
> issues as they prevent leakage from kernel to userspace/network:
> 
>     * net: 4 bytes kernel memory disclosure in SO_BSDCOMPAT gsopt try #2
>     * mac80211: fix a buffer overrun in station debug code
>     * net: Fix data corruption when splicing from sockets.
> 
> Overall they all look sensible and reasonable.
> 
> ACK
> 
> -apw
> 

Thanks Andy. Even if patches for unsupported arches cause an ABI bump,
we should eventually include them since the ports tree is likely to be
rebased from the distro tree. The beginning of the -proposed cooking
period seems as good as any for  a bump.

rtg
-- 
Tim Gardner tim.gardner at canonical.com