- 30 Oct, 2014 22 commits
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Benjamin Tissoires authored
commit 5b65c2a0 upstream. In the Dell XPS 13 9333, it appears that sometimes the bus get confused and corrupts the incoming data. It fills the input report with the sentinel value "ff". Synaptics told us that such behavior does not comes from the touchpad itself, so we filter out such reports here. Unfortunately, we can not simply discard the incoming data because they may contain useful information. Most of the time, the misbehavior is quite near the end of the report, so we can still use the valid part of it. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1123584Signed-off-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
Andrew Duggan <aduggan@synaptics.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Andy Shevchenko authored
commit fb57862e upstream. If the driver was compiled with DMA support, but DMA channels weren't acquired by some reason, mid_spi_dma_exit() will crash the kernel. Fixes: 7063c0d9 (spi/dw_spi: add DMA support) Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Andy Shevchenko authored
commit b41583e7 upstream. In case of 8 bit mode and DMA usage we end up with every second byte written as 0. We have to respect bits_per_word settings what this patch actually does. Signed-off-by:
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Bryan O'Donoghue authored
commit ee1b5b16 upstream. Quark x1000 advertises PGE via the standard CPUID method PGE bits exist in Quark X1000's PTEs. In order to flush an individual PTE it is necessary to reload CR3 irrespective of the PTE.PGE bit. See Quark Core_DevMan_001.pdf section 6.4.11 This bug was fixed in Galileo kernels, unfixed vanilla kernels are expected to crash and burn on this platform. Signed-off-by:
Bryan O'Donoghue <pure.logic@nexus-software.ie> Cc: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1411514784-14885-1-git-send-email-pure.logic@nexus-software.ieSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Andy Lutomirski authored
commit d974baa3 upstream. CR4 isn't constant; at least the TSD and PCE bits can vary. TBH, treating CR0 and CR3 as constant scares me a bit, too, but it looks like it's correct. This adds a branch and a read from cr4 to each vm entry. Because it is extremely likely that consecutive entries into the same vcpu will have the same host cr4 value, this fixes up the vmcs instead of restoring cr4 after the fact. A subsequent patch will add a kernel-wide cr4 shadow, reducing the overhead in the common case to just two memory reads and a branch. Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Acked-by:
Paolo Bonzini <pbonzini@redhat.com> Cc: Petr Matousek <pmatouse@redhat.com> Cc: Gleb Natapov <gleb@kernel.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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David Matlack authored
commit 2ea75be3 upstream. vcpu ioctls can hang the calling thread if issued while a vcpu is running. However, invalid ioctls can happen when userspace tries to probe the kind of file descriptors (e.g. isatty() calls ioctl(TCGETS)); in that case, we know the ioctl is going to be rejected as invalid anyway and we can fail before trying to take the vcpu mutex. This patch does not change functionality, it just makes invalid ioctls fail faster. Signed-off-by:
David Matlack <dmatlack@google.com> Signed-off-by:
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Christian Borntraeger authored
commit f346026e upstream. We must not fallthrough if the conditions for external call are not met. Signed-off-by:
Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by:
Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by:
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Paolo Bonzini authored
commit 00f034a1 upstream. The next patch will give a meaning (a la seqcount) to the low bit of the generation number. Ensure that it matches between kvm->memslots->generation and kvm_current_mmio_generation(). Reviewed-by:
Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by:
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David Matlack authored
commit ee3d1570 upstream. vcpu exits and memslot mutations can run concurrently as long as the vcpu does not aquire the slots mutex. Thus it is theoretically possible for memslots to change underneath a vcpu that is handling an exit. If we increment the memslot generation number again after synchronize_srcu_expedited(), vcpus can safely cache memslot generation without maintaining a single rcu_dereference through an entire vm exit. And much of the x86/kvm code does not maintain a single rcu_dereference of the current memslots during each exit. We can prevent the following case: vcpu (CPU 0) | thread (CPU 1) --------------------------------------------+-------------------------- 1 vm exit | 2 srcu_read_unlock(&kvm->srcu) | 3 decide to cache something based on | old memslots | 4 | change memslots | (increments generation) 5 | synchronize_srcu(&kvm->srcu); 6 retrieve generation # from new memslots | 7 tag cache with new memslot generation | 8 srcu_read_unlock(&kvm->srcu) | ... | <action based on cache occurs even | though the caching decision was based | on the old memslots> | ... | <action *continues* to occur until next | memslot generation change, which may | be never> | | By incrementing the generation after synchronizing with kvm->srcu readers, we ensure that the generation retrieved in (6) will become invalid soon after (8). Keeping the existing increment is not strictly necessary, but we do keep it and just move it for consistency from update_memslots to install_new_memslots. It invalidates old cached MMIOs immediately, instead of having to wait for the end of synchronize_srcu_expedited, which makes the code more clearly correct in case CPU 1 is preempted right after synchronize_srcu() returns. To avoid halving the generation space in SPTEs, always presume that the low bit of the generation is zero when reconstructing a generation number out of an SPTE. This effectively disables MMIO caching in SPTEs during the call to synchronize_srcu_expedited. Using the low bit this way is somewhat like a seqcount---where the protected thing is a cache, and instead of retrying we can simply punt if we observe the low bit to be 1. Signed-off-by:
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David Matlack authored
commit 56f17dd3 upstream. The following events can lead to an incorrect KVM_EXIT_MMIO bubbling up to userspace: (1) Guest accesses gpa X without a memory slot. The gfn is cached in struct kvm_vcpu_arch (mmio_gfn). On Intel EPT-enabled hosts, KVM sets the SPTE write-execute-noread so that future accesses cause EPT_MISCONFIGs. (2) Host userspace creates a memory slot via KVM_SET_USER_MEMORY_REGION covering the page just accessed. (3) Guest attempts to read or write to gpa X again. On Intel, this generates an EPT_MISCONFIG. The memory slot generation number that was incremented in (2) would normally take care of this but we fast path mmio faults through quickly_check_mmio_pf(), which only checks the per-vcpu mmio cache. Since we hit the cache, KVM passes a KVM_EXIT_MMIO up to userspace. This patch fixes the issue by using the memslot generation number to validate the mmio cache. Signed-off-by:
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Josef Ahmad authored
commit bb048713 upstream. This patch adds the PCI id for Intel Quark ILB. It will be used for GPIO and Multifunction device driver. Signed-off-by:
Josef Ahmad <josef.ahmad@intel.com> Acked-by:
Bjorn Helgaas <bhelgaas@google.com> Signed-off-by:
Lee Jones <lee.jones@linaro.org> Signed-off-by:
Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com> Signed-off-by:
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Bryan O'Donoghue authored
commit a68df706 upstream. This patch is to enable the USB gadget device for Intel Quark X1000 Signed-off-by:
Bryan O'Donoghue <bryan.odonoghue@intel.com> Signed-off-by:
Bing Niu <bing.niu@intel.com> Signed-off-by:
Alvin (Weike) Chen <alvin.chen@intel.com> Signed-off-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Andy Lutomirski authored
commit a1480dcc upstream. Accessing do_remount_sb should require global CAP_SYS_ADMIN, but only one of the two call sites was appropriately protected. Fixes CVE-2014-7975. Signed-off-by:
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Sage Weil authored
commit 42383020 upstream. We check whether transid is already committed via last_trans_committed and then search through trans_list for pending transactions. If last_trans_committed is updated by btrfs_commit_transaction after we check it (there is no locking), we will fail to find the committed transaction and return EINVAL to the caller. This has been observed occasionally by ceph-osd (which uses this ioctl heavily). Fix by rechecking whether the provided transid <= last_trans_committed after the search fails, and if so return 0. Signed-off-by:
Sage Weil <sage@redhat.com> Signed-off-by:
Chris Mason <clm@fb.com> Signed-off-by:
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Josef Bacik authored
commit bbe90514 upstream. Marc Merlin sent me a broken fs image months ago where it would blow up in the upper->checked BUG_ON() in build_backref_tree. This is because we had a scenario like this block a -- level 4 (not shared) | block b -- level 3 (reloc block, shared) | block c -- level 2 (not shared) | block d -- level 1 (shared) | block e -- level 0 (shared) We go to build a backref tree for block e, we notice block d is shared and add it to the list of blocks to lookup it's backrefs for. Now when we loop around we will check edges for the block, so we will see we looked up block c last time. So we lookup block d and then see that the block that points to it is block c and we can just skip that edge since we've already been up this path. The problem is because we clear need_check when we see block d (as it is shared) we never add block b as needing to be checked. And because block c is in our path already we bail out before we walk up to block b and add it to the backref check list. To fix this we need to reset need_check if we trip over a block that doesn't need to be checked. This will make sure that any subsequent blocks in the path as we're walking up afterwards are added to the list to be processed. With this patch I can now mount Marc's fs image and it'll complete the balance without panicing. Thanks, Reported-by:
Marc MERLIN <marc@merlins.org> Signed-off-by:
Josef Bacik <jbacik@fb.com> Signed-off-by:
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Josef Bacik authored
commit 75bfb9af upstream. When balance panics it tends to panic in the BUG_ON(!upper->checked); test, because it means it couldn't build the backref tree properly. This is annoying to users and frankly a recoverable error, nothing in this function is actually fatal since it is just an in-memory building of the backrefs for a given bytenr. So go through and change all the BUG_ON()'s to ASSERT()'s, and fix the BUG_ON(!upper->checked) thing to just return an error. This patch also fixes the error handling so it tears down the work we've done properly. This code was horribly broken since we always just panic'ed instead of actually erroring out, so it needed to be completely re-worked. With this patch my broken image no longer panics when I mount it. Thanks, Signed-off-by:
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Josef Bacik authored
commit 1d52c78a upstream. When doing log replay we may have to update inodes, which traditionally goes through our delayed inode stuff. This will try to move space over from the trans handle, but we don't reserve space in our trans handle on replay since we don't know how much we will need, so instead we try to flush. But because we have a trans handle open we won't flush anything, so if we are out of reserve space we will simply return ENOSPC. Since we know that if an operation made it into the log then we definitely had space before the box bought the farm then we don't need to worry about doing this space reservation. Use the fs_info->log_root_recovering flag to skip the delayed inode stuff and update the item directly. Thanks, Signed-off-by:
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Josef Bacik authored
commit f6acfd50 upstream. Trying to reproduce a log enospc bug I hit a panic in the async reclaim code during log replay. This is because we use fs_info->fs_root as our root for shrinking and such. Technically we can use whatever root we want, but let's just not allow async reclaim while we're doing log replay. Thanks, Signed-off-by:
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Liu Bo authored
commit 4d1a40c6 upstream. An user reported this, it is because that lseek's SEEK_SET/SEEK_CUR/SEEK_END allow a negative value for @offset, but btrfs's SEEK_DATA/SEEK_HOLE don't prepare for that and convert the negative @offset into unsigned type, so we get (end < start) warning. [ 1269.835374] ------------[ cut here ]------------ [ 1269.836809] WARNING: CPU: 0 PID: 1241 at fs/btrfs/extent_io.c:430 insert_state+0x11d/0x140() [ 1269.838816] BTRFS: end < start 4094 18446744073709551615 [ 1269.840334] CPU: 0 PID: 1241 Comm: a.out Tainted: G W 3.16.0+ #306 [ 1269.858229] Call Trace: [ 1269.858612] [<ffffffff81801a69>] dump_stack+0x4e/0x68 [ 1269.858952] [<ffffffff8107894c>] warn_slowpath_common+0x8c/0xc0 [ 1269.859416] [<ffffffff81078a36>] warn_slowpath_fmt+0x46/0x50 [ 1269.859929] [<ffffffff813b0fbd>] insert_state+0x11d/0x140 [ 1269.860409] [<ffffffff813b1396>] __set_extent_bit+0x3b6/0x4e0 [ 1269.860805] [<ffffffff813b21c7>] lock_extent_bits+0x87/0x200 [ 1269.861697] [<ffffffff813a5b28>] btrfs_file_llseek+0x148/0x2a0 [ 1269.862168] [<ffffffff811f201e>] SyS_lseek+0xae/0xc0 [ 1269.862620] [<ffffffff8180b212>] system_call_fastpath+0x16/0x1b [ 1269.862970] ---[ end trace 4d33ea885832054b ]--- This assumes that btrfs starts finding DATA/HOLE from the beginning of file if the assigned @offset is negative. Also we add alignment for lock_extent_bits 's range. Reported-by:
Toralf Förster <toralf.foerster@gmx.de> Signed-off-by:
Liu Bo <bo.li.liu@oracle.com> Signed-off-by:
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Filipe Manana authored
commit 78a017a2 upstream. The behaviour of a 'chattr -c' consists of getting the current flags, clearing the FS_COMPR_FL bit and then sending the result to the set flags ioctl - this means the bit FS_NOCOMP_FL isn't set in the flags passed to the ioctl. This results in the compression property not being cleared from the inode - it was cleared only if the bit FS_NOCOMP_FL was set in the received flags. Reproducer: $ mkfs.btrfs -f /dev/sdd $ mount /dev/sdd /mnt && cd /mnt $ mkdir a $ chattr +c a $ touch a/file $ lsattr a/file --------c------- a/file $ chattr -c a $ touch a/file2 $ lsattr a/file2 --------c------- a/file2 $ lsattr -d a ---------------- a Reported-by:
Andreas Schneider <asn@cryptomilk.org> Signed-off-by:
Filipe Manana <fdmanana@suse.com> Signed-off-by:
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Qu Wenruo authored
commit 12b894cb upstream. btrfs-transacion:5657 [stack snip] btrfs_bio_map() btrfs_bio_counter_inc_blocked() percpu_counter_inc(&fs_info->bio_counter) ###bio_counter > 0(A) __btrfs_bio_map() btrfs_dev_replace_lock() mutex_lock(dev_replace->lock) ###wait mutex(B) btrfs:32612 [stack snip] btrfs_dev_replace_start() btrfs_dev_replace_lock() mutex_lock(dev_replace->lock) ###hold mutex(B) btrfs_dev_replace_finishing() btrfs_rm_dev_replace_blocked() wait until percpu_counter_sum == 0 ###wait on bio_counter(A) This bug can be triggered quite easily by the following test script: http://pastebin.com/MQmb37Cy This patch will fix the ABBA problem by calling btrfs_dev_replace_unlock() before btrfs_rm_dev_replace_blocked(). The consistency of btrfs devices list and their superblocks is protected by device_list_mutex, not btrfs_dev_replace_lock/unlock(). So it is safe the move btrfs_dev_replace_unlock() before btrfs_rm_dev_replace_blocked(). Reported-by:
Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by:
Qu Wenruo <quwenruo@cn.fujitsu.com> Cc: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by:
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David Sterba authored
commit 2fad4e83 upstream. The transaction thread may want to do more work, namely it pokes the cleaner ktread that will start processing uncleaned subvols. This can be triggered by user via the 'btrfs fi sync' command, otherwise there was a delay up to 30 seconds before the cleaner started to clean old snapshots. Signed-off-by:
David Sterba <dsterba@suse.cz> Signed-off-by:
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- 15 Oct, 2014 18 commits
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Greg Kroah-Hartman authored
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Bryan O'Donoghue authored
commit 1ede7dcc upstream. Quark X1000 contains two designware derived 8250 serial ports. Each port has a unique PCI configuration space consisting of BAR0:UART BAR1:DMA respectively. Unlike the standard 8250 the register width is 32 bits for RHR,IER etc The Quark UART has a fundamental clock @ 44.2368 MHz allowing for a bitrate of up to about 2.76 megabits per second. This patch enables standard 8250 mode Signed-off-by:
Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by:
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Yasuaki Ishimatsu authored
commit 33ead538 upstream. Commit 92d585ef ("numa: fix NULL pointer access and memory leak in unregister_one_node()") added kfree() of node struct in unregister_one_node(). But node struct is freed by node_device_release() which is called in unregister_node(). So by adding the kfree(), node struct is freed two times. While hot removing memory, the commit leads the following BUG_ON(): kernel BUG at mm/slub.c:3346! invalid opcode: 0000 [#1] SMP [...] Call Trace: [...] unregister_one_node [...] try_offline_node [...] remove_memory [...] acpi_memory_device_remove [...] acpi_bus_trim [...] acpi_bus_trim [...] acpi_device_hotplug [...] acpi_hotplug_work_fn [...] process_one_work [...] worker_thread [...] ? rescuer_thread [...] kthread [...] ? kthread_create_on_node [...] ret_from_fork [...] ? kthread_create_on_node This patch removes unnecessary kfree() from unregister_one_node(). Signed-off-by:
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Xishi Qiu <qiuxishi@huawei.com> Fixes: 92d585ef "numa: fix NULL pointer access and memory leak in unregister_one_node()" Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Cristian Stoica authored
commit 4451d494 upstream. buf_0 and buf_1 in caam_hash_state are not next to each other. Accessing buf_1 is incorrect from &buf_0 with an offset of only size_of(buf_0). The same issue is also with buflen_0 and buflen_1 Signed-off-by:
Cristian Stoica <cristian.stoica@freescale.com> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Felipe Balbi authored
commit 468bcc2a upstream. if we don't make sure to kill the timer, it could expire after we have already gated our clocks. That will trigger a Data Abort exception because we would try to access register while clock is gated. Fix that bug. Fixes 869c5978 (usb: musb: dsps: add support for suspend and resume) Tested-by:
Dave Gerlach <d-gerlach@ti.com> Signed-off-by:
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Andreas Bomholtz authored
commit dee80ad1 upstream. Added the Seluxit ApS USB Serial Dongle to cp210x driver. Signed-off-by:
Andreas Bomholtz <andreas@seluxit.com> Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Joe Savage authored
commit bfc2d7df upstream. Added support for Ketra N1 wireless interface, which uses the Silicon Labs' CP2104 USB to UART bridge with customized PID 8946. Signed-off-by:
Joe Savage <joe.savage@goketra.com> Signed-off-by:
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Lu Baolu authored
commit ddbe1fca upstream. This full-speed USB device generates spurious remote wakeup event as soon as USB_DEVICE_REMOTE_WAKEUP feature is set. As the result, Linux can't enter system suspend and S0ix power saving modes once this keyboard is used. This patch tries to introduce USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk. With this quirk set, wakeup capability will be ignored during device configure. This patch could be back-ported to kernels as old as 2.6.39. Signed-off-by:
Lu Baolu <baolu.lu@linux.intel.com> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Hans de Goede authored
commit 710f1bf1 upstream. As most ASM1051 based devices, this one has unfixable issues with uas too. Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
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Hans de Goede authored
commit f9554a6b upstream. https://bbs.archlinux.org/viewtopic.php?pid=1457492Signed-off-by:
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Hans de Goede authored
commit 734016b0 upstream. Besides the ASM1051 (*) needing sdev->no_report_opcodes = 1, it turns out that the JMicron JMS567 also needs it to work properly with uas (usb-storage always sets it). Since some of the scsi devs were not to keen on the idea to outrightly set sdev->no_report_opcodes = 1 for all uas devices, so add a quirk for this, and set it for the JMS567. *) Which has become a non-issue since we've completely blacklisted uas on the ASM1051 for other reasons Reported-and-tested-by:
Claudio Bizzarri <claudio.bizzarri@gmail.com> Signed-off-by:
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Hans de Goede authored
commit 59307852 upstream. And set this quirk for the Seagate Expansion Desk (0bc2:2312), as that one seems to hang upon receiving an ATA_12 or ATA_16 command. https://bugzilla.kernel.org/show_bug.cgi?id=79511 https://bbs.archlinux.org/viewtopic.php?id=183190 While at it also add missing documentation for the u value for usb-storage quirks. Signed-off-by:
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WANG Cong authored
[ Upstream commit 5301e3e1 ] We need to copy exts->type when committing the change, otherwise it would be always 0. This is a quick fix for -net and -stable, for net-next tcf_exts will be removed. Fixes: commit 33be6271 ("net_sched: act: use standard struct list_head") Reported-by:
Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: John Fastabend <john.fastabend@gmail.com> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Acked-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Vlad Yasevich authored
[ Upstream commit bdf6fa52 ] Currently association restarts do not take into consideration the state of the socket. When a restart happens, the current assocation simply transitions into established state. This creates a condition where a remote system, through a the restart procedure, may create a local association that is no way reachable by user. The conditions to trigger this are as follows: 1) Remote does not acknoledge some data causing data to remain outstanding. 2) Local application calls close() on the socket. Since data is still outstanding, the association is placed in SHUTDOWN_PENDING state. However, the socket is closed. 3) The remote tries to create a new association, triggering a restart on the local system. The association moves from SHUTDOWN_PENDING to ESTABLISHED. At this point, it is no longer reachable by any socket on the local system. This patch addresses the above situation by moving the newly ESTABLISHED association into SHUTDOWN-SENT state and bundling a SHUTDOWN after the COOKIE-ACK chunk. This way, the restarted associate immidiately enters the shutdown procedure and forces the termination of the unreachable association. Reported-by:
David Laight <David.Laight@aculab.com> Signed-off-by:
Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
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KY Srinivasan authored
[ Upstream commit 3a67c9cc ] After the packet is successfully sent, we should not touch the packet as it may have been freed. This patch is based on the work done by Long Li <longli@microsoft.com>. David, please queue this up for stable. Signed-off-by:
K. Y. Srinivasan <kys@microsoft.com> Reported-by:
Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by:
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Joe Lawrence authored
[ Upstream commit 47549650 ] When team_notify_peers and team_mcast_rejoin are called, they both reset their respective .count_pending atomic variable. Then when the actual worker function is executed, the variable is atomically decremented. This pattern introduces a potential race condition where the .count_pending rolls over and the worker function keeps rescheduling until .count_pending decrements to zero again: THREAD 1 THREAD 2 ======== ======== team_notify_peers(teamX) atomic_set count_pending = 1 schedule_delayed_work team_notify_peers(teamX) atomic_set count_pending = 1 team_notify_peers_work atomic_dec_and_test count_pending = 0 (return) schedule_delayed_work team_notify_peers_work atomic_dec_and_test count_pending = -1 schedule_delayed_work (repeat until count_pending = 0) Instead of assigning a new value to .count_pending, use atomic_add to tack-on the additional desired worker function invocations. Signed-off-by:
Joe Lawrence <joe.lawrence@stratus.com> Acked-by:
Jiri Pirko <jiri@resnulli.us> Fixes: fc423ff0 ("team: add peer notification") Fixes: 492b200e ("team: add support for sending multicast rejoins") Signed-off-by:
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Florian Fainelli authored
[ Upstream commit e87474a6 ] Similar to commit bc23333b ("net: bcmgenet: fix bcmgenet_put_tx_csum()"), we need to return the skb pointer in case we had to reallocate the SKB headroom. Fixes: 80105bef ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Nicolas Dichtel authored
[ Upstream commit 3be07244 ] In xmit path, we build a flowi6 which will be used for the output route lookup. We are sending a GRE packet, neither IPv4 nor IPv6 encapsulated packet, thus the protocol should be IPPROTO_GRE. Fixes: c12b395a ("gre: Support GRE over IPv6") Reported-by:
Matthieu Ternisien d'Ouville <matthieu.tdo@6wind.com> Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by:
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