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  1. 29 5月, 2015 5 次提交
  3. 28 5月, 2015 12 次提交
    • L
      Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 · de182468
      由 Linus Torvalds 提交于 
      Pull cifs fixes from Steve French:
 "Back from SambaXP - now have 8 small CIFS bug fixes to merge"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  CIFS: Fix race condition on RFC1002_NEGATIVE_SESSION_RESPONSE
  Fix to convert SURROGATE PAIR
  cifs: potential missing check for posix_lock_file_wait
  Fix to check Unique id and FileType when client refer file directly.
  CIFS: remove an unneeded NULL check
  [cifs] fix null pointer check
  Fix that several functions handle incorrect value of mapchars
  cifs: Don't replace dentries for dfs mounts
      de182468
    • L
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · 8f98bcdf
      由 Linus Torvalds 提交于 
      Pull networking fixes from David Miller:

 1) Don't use MMIO on certain iwlwifi devices otherwise we get a
    firmware crash.

 2) Don't corrupt the GRO lists of mac80211 contexts by doing sends via
    timer interrupt, from Johannes Berg.

 3) SKB tailroom is miscalculated in AP_VLAN crypto code, from Michal
    Kazior.

 4) Fix fw_status memory leak in iwlwifi, from Haim Dreyfuss.

 5) Fix use after free in iwl_mvm_d0i3_enable_tx(), from Eliad Peller.

 6) JIT'ing of large BPF programs is broken on x86, from Alexei
    Starovoitov.

 7) EMAC driver ethtool register dump size is miscalculated, from Ivan
    Mikhaylov.

 8) Fix PHY initial link mode when autonegotiation is disabled in
    amd-xgbe, from Tom Lendacky.

 9) Fix NULL deref on SOCK_DEAD socket in AF_UNIX and CAIF protocols,
    from Mark Salyzyn.

10) credit_bytes not initialized properly in xen-netback, from Ross
   Lagerwall.

11) Fallback from MSI-X to INTx interrupts not handled properly in mlx4
    driver, fix from Benjamin Poirier.

12) Perform ->attach() after binding dev->qdisc in packet scheduler,
    otherwise we can crash.  From Cong WANG.

13) Don't clobber data in sctp_v4_map_v6().  From Jason Gunthorpe.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (30 commits)
  sctp: Fix mangled IPv4 addresses on a IPv6 listening socket
  net_sched: invoke ->attach() after setting dev->qdisc
  xen-netfront: properly destroy queues when removing device
  mlx4_core: Fix fallback from MSI-X to INTx
  xen/netback: Properly initialize credit_bytes
  net: netxen: correct sysfs bin attribute return code
  tools: bpf_jit_disasm: fix segfault on disabled debugging log output
  unix/caif: sk_socket can disappear when state is unlocked
  amd-xgbe-phy: Fix initial mode when autoneg is disabled
  net: dp83640: fix improper double spin locking.
  net: dp83640: reinforce locking rules.
  net: dp83640: fix broken calibration routine.
  net: stmmac: create one debugfs dir per net-device
  net/ibm/emac: fix size of emac dump memory areas
  x86: bpf_jit: fix compilation of large bpf programs
  net: phy: bcm7xxx: Fix 7425 PHY ID and flags
  iwlwifi: mvm: avoid use-after-free on iwl_mvm_d0i3_enable_tx()
  iwlwifi: mvm: clean net-detect info if device was reset during suspend
  iwlwifi: mvm: take the UCODE_DOWN reference when resuming
  iwlwifi: mvm: BT Coex - duplicate the command if sent ASYNC
  ...
      8f98bcdf
    • J
      sctp: Fix mangled IPv4 addresses on a IPv6 listening socket · 9302d7bb
      由 Jason Gunthorpe 提交于 
      sctp_v4_map_v6 was subtly writing and reading from members
of a union in a way the clobbered data it needed to read before
it read it.

Zeroing the v6 flowinfo overwrites the v4 sin_addr with 0, meaning
that every place that calls sctp_v4_map_v6 gets ::ffff:0.0.0.0 as the
result.

Reorder things to guarantee correct behaviour no matter what the
union layout is.

This impacts user space clients that open an IPv6 SCTP socket and
receive IPv4 connections. Prior to 299ee user space would see a
sockaddr with AF_INET and a correct address, after 299ee the sockaddr
is AF_INET6, but the address is wrong.

Fixes: 299ee123 (sctp: Fixup v4mapped behaviour to comply with Sock API)
Signed-off-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com>
Acked-by: NDaniel Borkmann <daniel@iogearbox.net>
Acked-by: NNeil Horman <nhorman@tuxdriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      9302d7bb
    • W
      net_sched: invoke ->attach() after setting dev->qdisc · 86e363dc
      由 WANG Cong 提交于 
      For mq qdisc, we add per tx queue qdisc to root qdisc
for display purpose, however, that happens too early,
before the new dev->qdisc is finally set, this causes
q->list points to an old root qdisc which is going to be
freed right before assigning with a new one.

Fix this by moving ->attach() after setting dev->qdisc.

For the record, this fixes the following crash:

 ------------[ cut here ]------------
 WARNING: CPU: 1 PID: 975 at lib/list_debug.c:59 __list_del_entry+0x5a/0x98()
 list_del corruption. prev->next should be ffff8800d1998ae8, but was 6b6b6b6b6b6b6b6b
 CPU: 1 PID: 975 Comm: tc Not tainted 4.1.0-rc4+ #1019
 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  0000000000000009 ffff8800d73fb928 ffffffff81a44e7f 0000000047574756
  ffff8800d73fb978 ffff8800d73fb968 ffffffff810790da ffff8800cfc4cd20
  ffffffff814e725b ffff8800d1998ae8 ffffffff82381250 0000000000000000
 Call Trace:
  [<ffffffff81a44e7f>] dump_stack+0x4c/0x65
  [<ffffffff810790da>] warn_slowpath_common+0x9c/0xb6
  [<ffffffff814e725b>] ? __list_del_entry+0x5a/0x98
  [<ffffffff81079162>] warn_slowpath_fmt+0x46/0x48
  [<ffffffff81820eb0>] ? dev_graft_qdisc+0x5e/0x6a
  [<ffffffff814e725b>] __list_del_entry+0x5a/0x98
  [<ffffffff814e72a7>] list_del+0xe/0x2d
  [<ffffffff81822f05>] qdisc_list_del+0x1e/0x20
  [<ffffffff81820cd1>] qdisc_destroy+0x30/0xd6
  [<ffffffff81822676>] qdisc_graft+0x11d/0x243
  [<ffffffff818233c1>] tc_get_qdisc+0x1a6/0x1d4
  [<ffffffff810b5eaf>] ? mark_lock+0x2e/0x226
  [<ffffffff817ff8f5>] rtnetlink_rcv_msg+0x181/0x194
  [<ffffffff817ff72e>] ? rtnl_lock+0x17/0x19
  [<ffffffff817ff72e>] ? rtnl_lock+0x17/0x19
  [<ffffffff817ff774>] ? __rtnl_unlock+0x17/0x17
  [<ffffffff81855dc6>] netlink_rcv_skb+0x4d/0x93
  [<ffffffff817ff756>] rtnetlink_rcv+0x26/0x2d
  [<ffffffff818544b2>] netlink_unicast+0xcb/0x150
  [<ffffffff81161db9>] ? might_fault+0x59/0xa9
  [<ffffffff81854f78>] netlink_sendmsg+0x4fa/0x51c
  [<ffffffff817d6e09>] sock_sendmsg_nosec+0x12/0x1d
  [<ffffffff817d8967>] sock_sendmsg+0x29/0x2e
  [<ffffffff817d8cf3>] ___sys_sendmsg+0x1b4/0x23a
  [<ffffffff8100a1b8>] ? native_sched_clock+0x35/0x37
  [<ffffffff810a1d83>] ? sched_clock_local+0x12/0x72
  [<ffffffff810a1fd4>] ? sched_clock_cpu+0x9e/0xb7
  [<ffffffff810def2a>] ? current_kernel_time+0xe/0x32
  [<ffffffff810b4bc5>] ? lock_release_holdtime.part.29+0x71/0x7f
  [<ffffffff810ddebf>] ? read_seqcount_begin.constprop.27+0x5f/0x76
  [<ffffffff810b6292>] ? trace_hardirqs_on_caller+0x17d/0x199
  [<ffffffff811b14d5>] ? __fget_light+0x50/0x78
  [<ffffffff817d9808>] __sys_sendmsg+0x42/0x60
  [<ffffffff817d9838>] SyS_sendmsg+0x12/0x1c
  [<ffffffff81a50e97>] system_call_fastpath+0x12/0x6f
 ---[ end trace ef29d3fb28e97ae7 ]---

For long term, we probably need to clean up the qdisc_graft() code
in case it hides other bugs like this.

Fixes: 95dc1929 ("pkt_sched: give visibility to mq slave qdiscs")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: NCong Wang <xiyou.wangcong@gmail.com>
Acked-by: NEric Dumazet <edumazet@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      86e363dc
    • D
      xen-netfront: properly destroy queues when removing device · ad068118
      由 David Vrabel 提交于 
      xennet_remove() freed the queues before freeing the netdevice which
results in a use-after-free when free_netdev() tries to delete the
napi instances that have already been freed.

Fix this by fully destroy the queues (which includes deleting the napi
instances) before freeing the netdevice.
Signed-off-by: NDavid Vrabel <david.vrabel@citrix.com>
Reviewed-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      ad068118
    • L
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 7ffb9e11
      由 Linus Torvalds 提交于 
      Pull x86 fixes from Ingo Molnar:
 "This tree includes:

   - a fix that disables the compacted FPU XSAVE format by disabling
     XSAVES support: the fixes are too complex and the breakages
     ABI-affecting, so we want this to be quirked off in a robust way
     and backported, to make sure no broken kernel is exposed to the new
     hardware (which exposure is still very limited).

   - an MCE printk message fix

   - a documentation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Disable XSAVES* support for now
  x86/Documentation: Update the contact email for L3 cache index disable functionality
  x86/mce: Fix MCE severity messages
      7ffb9e11
    • L
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha · 70d7d88f
      由 Linus Torvalds 提交于 
      Pull alpha updates from Matt Turner:
 "Please pull a small collection of patches that I've been neglecting.

  Probably most importantly are the patches that wire up the new
  syscalls needed by udev and the fix to the bootp{,z}file targets"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha:
  alpha: kernel: osf_sys: Set 'kts.tv_nsec' only when 'tv' has effect
  alpha: Wire up all missing implemented syscalls
  alpha: Fix bootpfile and bootpzfile make targets
  alpha: copy_thread(): rename 'arg' argument to 'kthread_arg'
  alpha: delete non-required instances of <linux/init.h>
  alpha: don't use module_init for non-modular core code
  smp, alpha: kill SMP single function call interrupt
  alpha: Remove #include <uapi/asm/types.h> from <asm/types.h>
  alpha: clean up unnecessary MSI/MSI-X capability find
      70d7d88f
    • B
      mlx4_core: Fix fallback from MSI-X to INTx · f4ecf29f
      由 Benjamin Poirier 提交于 
      The test in mlx4_load_one() to remove MLX4_FLAG_MSI_X expects mlx4_NOP() to
fail with -EBUSY. It is also necessary to avoid the reset since the device
is not fully reinitialized before calling mlx4_start_hca() a second time.

Note that this will also affect mlx4_test_interrupts(), the only other user
of MLX4_CMD_NOP.

Fixes: f5aef5aa ("net/mlx4_core: Activate reset flow upon fatal command cases")
Signed-off-by: NBenjamin Poirier <bpoirier@suse.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      f4ecf29f
    • R
      lguest: fix out-by-one error in address checking. · 83a35114
      由 Rusty Russell 提交于 
      This bug has been there since day 1; addresses in the top guest physical
page weren't considered valid.  You could map that page (the check in
check_gpte() is correct), but if a guest tried to put a pagetable there
we'd check that address manually when walking it, and kill the guest.
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      83a35114
    • R
      xen/netback: Properly initialize credit_bytes · ce0e5c52
      由 Ross Lagerwall 提交于 
      Commit e9ce7cb6 ("xen-netback: Factor queue-specific data into queue
struct") introduced a regression when moving queue-specific data into
the queue struct by failing to set the credit_bytes field. This
prevented bandwidth limiting from working. Initialize the field as it
was done before multiqueue support was added.
Signed-off-by: NRoss Lagerwall <ross.lagerwall@citrix.com>
Acked-by: NWei Liu <wei.liu2@citrix.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      ce0e5c52
    • L
      Merge branch 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs · 3cfd4ba7
      由 Linus Torvalds 提交于 
      Pull two overlayfs fixes from Miklos Szeredi:
 "Overlayfs rmdir() failed to check for emptiness in one case; this was
  introduced in 4.0.  The other bug was there since day one: failure to
  mount if upper fs is full, which bit some OpenWRT folks"

* 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: mount read-only if workdir can't be created
  ovl: don't remove non-empty opaque directory
      3cfd4ba7
    • L
      Merge tag 'mfd-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd · 1b887bf3
      由 Linus Torvalds 提交于 
      Pull an MFD fix from Lee Jones:
 "One simple fix to repair broken regulator probe() in DA9052"

* tag 'mfd-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: da9052: Fix broken regulator probe
      1b887bf3
  5. 27 5月, 2015 17 次提交
  7. 26 5月, 2015 6 次提交