- 09 Jul, 2014 22 commits
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Johan Hedberg authored
commit e694788d upstream. The conn->link_key variable tracks the type of link key in use. It is set whenever we respond to a link key request as well as when we get a link key notification event. These two events do not however always guarantee that encryption is enabled: getting a link key request and responding to it may only mean that the remote side has requested authentication but not encryption. On the other hand, the encrypt change event is a certain guarantee that encryption is enabled. The real encryption state is already tracked in the conn->link_mode variable through the HCI_LM_ENCRYPT bit. This patch fixes a check for encryption in the hci_conn_auth function to use the proper conn->link_mode value and thereby eliminates the chance of a false positive result. Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Johan Hedberg authored
commit ba15a58b upstream. From the Bluetooth Core Specification 4.1 page 1958: "if both devices have set the Authentication_Requirements parameter to one of the MITM Protection Not Required options, authentication stage 1 shall function as if both devices set their IO capabilities to DisplayOnly (e.g., Numeric comparison with automatic confirmation on both devices)" So far our implementation has done user confirmation for all just-works cases regardless of the MITM requirements, however following the specification to the word means that we should not be doing confirmation when neither side has the MITM flag set. Signed-off-by:
Szymon Janc <szymon.janc@tieto.com> Signed-off-by:
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Thomas Hellstrom authored
commit 4e578080 upstream. Commit "drm/vmwgfx: correct fb_fix_screeninfo.line_length", while fixing a vmwgfx fbdev bug, also writes the pitch to a supposedly read-only register: SVGA_REG_BYTES_PER_LINE, while it should be (and also in fact is) written to SVGA_REG_PITCHLOCK. This patch is Cc'd stable because of the unknown effects writing to this register might have, particularly on older device versions. v2: Updated log message. Cc: Christopher Friedt <chrisfriedt@gmail.com> Tested-by:
Christopher Friedt <chrisfriedt@gmail.com> Signed-off-by:
Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by:
Jakob Bornecrantz <jakob@vmware.com> Signed-off-by:
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Marek Olšák authored
commit ec65da38 upstream. It hangs the hardware. Signed-off-by:
Marek Olšák <marek.olsak@amd.com> Reviewed-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
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Alex Deucher authored
commit 64252835 upstream. We need to specify the encoder mode as LVDS for eDP when using the Crtc_Source atom table in order to properly set up the FMT hardware. bug: https://bugs.freedesktop.org/show_bug.cgi?id=73911Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Alex Deucher authored
commit 3b6d9fd2 upstream. Only DCE5+ asics support DP 1.2. Noticed by ArtForz on IRC. Signed-off-by:
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Alex Deucher authored
commit af5d3653 upstream. We were checking the ext clock rather than the display clock. Noticed by ArtForz on IRC. Signed-off-by:
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Alex Deucher authored
commit 7d5ab300 upstream. May fix display issues with non-HDMI displays. Signed-off-by:
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pekon gupta authored
commit f306e8c3 upstream. fixes: commit 62116e51 mtd: nand: omap2: Support for hardware BCH error correction. In omap_elm_correct_data(), if bitflip_count in an erased-page is within the correctable limit (< ecc.strength), then it is not indicated back to the caller ecc->read_page(). This mis-guides upper layers like MTD and UBIFS layer to assume erased-page as perfectly clean and use it for writing even if actual bitflip_count was dangerously high (bitflip_count > mtd->bitflip_threshold). This patch fixes this above issue, by returning 'stats' to caller ecc->read_page() under all scenarios. Reported-by:
Brian Norris <computersforpeace@gmail.com> Signed-off-by:
Pekon Gupta <pekon@ti.com> Signed-off-by:
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Pekon Gupta authored
commit f034d87d upstream. As subpage write is enabled by default for all drivers, nand_write_subpage_hwecc causes a crash if the driver did not register ecc->hwctl or ecc->calculate. This behavior was introduced in commit 837a6ba4 "mtd: nand: subpage write support for hardware based ECC schemes". This fixes a crash by emulating subpage write support by padding sub-page data with 0xff on either sides to make it full page compatible. Reported-by:
Helmut Schaa <helmut.schaa@googlemail.com> Tested-by:
Scott Wood <scottwood@freescale.com> Signed-off-by:
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Stanislaw Gruszka authored
commit 616a8394 upstream. As reported by Niels, starting rfkill polling during device probe (commit e2bc7c5f, generally sane change) broke rfkill on rt2500pci device. I considered that bug as some initalization issue, which should be fixed on rt2500pci specific code. But after several attempts (see bug report for details) we fail to find working solution. Hence I decided to revert to old behaviour on rt2500pci to fix regression. Additionally patch also unregister rfkill on device remove instead of ifconfig down, what was another issue introduced by bad commit. Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=73821 Fixes: e2bc7c5f ("rt2x00: Fix rfkill_polling register function.") Bisected-by:
Niels <nille0386@googlemail.com> Reported-and-tested-by:
Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Stanislaw Gruszka authored
commit 8edcb0ba upstream. On USB we can not get atomically TKIP key. We have to disable support for TKIP acceleration on USB hardware to avoid bug as showed bellow. [ 860.827243] BUG: scheduling while atomic: hostapd/3397/0x00000002 <snip> [ 860.827280] Call Trace: [ 860.827282] [<ffffffff81682ea6>] dump_stack+0x4d/0x66 [ 860.827284] [<ffffffff8167eb9b>] __schedule_bug+0x47/0x55 [ 860.827285] [<ffffffff81685bb3>] __schedule+0x733/0x7b0 [ 860.827287] [<ffffffff81685c59>] schedule+0x29/0x70 [ 860.827289] [<ffffffff81684f8a>] schedule_timeout+0x15a/0x2b0 [ 860.827291] [<ffffffff8105ac50>] ? ftrace_raw_event_tick_stop+0xc0/0xc0 [ 860.827294] [<ffffffff810c13c2>] ? __module_text_address+0x12/0x70 [ 860.827296] [<ffffffff81686823>] wait_for_completion_timeout+0xb3/0x140 [ 860.827298] [<ffffffff81080fc0>] ? wake_up_state+0x20/0x20 [ 860.827301] [<ffffffff814d5b3d>] usb_start_wait_urb+0x7d/0x150 [ 860.827303] [<ffffffff814d5cd5>] usb_control_msg+0xc5/0x110 [ 860.827305] [<ffffffffa02fb0c6>] rt2x00usb_vendor_request+0xc6/0x160 [rt2x00usb] [ 860.827307] [<ffffffffa02fb215>] rt2x00usb_vendor_req_buff_lock+0x75/0x150 [rt2x00usb] [ 860.827309] [<ffffffffa02fb393>] rt2x00usb_vendor_request_buff+0xa3/0xe0 [rt2x00usb] [ 860.827311] [<ffffffffa023d1a3>] rt2x00usb_register_multiread+0x33/0x40 [rt2800usb] [ 860.827314] [<ffffffffa05805f9>] rt2800_get_tkip_seq+0x39/0x50 [rt2800lib] [ 860.827321] [<ffffffffa0480f88>] ieee80211_get_key+0x218/0x2a0 [mac80211] [ 860.827322] [<ffffffff815cc68c>] ? __nlmsg_put+0x6c/0x80 [ 860.827329] [<ffffffffa051b02e>] nl80211_get_key+0x22e/0x360 [cfg80211] Reported-and-tested-by:
Peter Wu <lekensteyn@gmail.com> Reported-and-tested-by:
Pontus Fuchs <pontus.fuchs@gmail.com> Signed-off-by:
Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by:
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Michal Nazarewicz authored
commit f0688c8b upstream. If the descriptors do not need any strings and user space sends empty set of strings, the ffs->stringtabs field remains NULL. Thus *ffs->stringtabs in functionfs_bind leads to a NULL pointer dereferenece. The bug was introduced by commit [fd7c9a00: “use usb_string_ids_n()”]. While at it, remove double initialisation of lang local variable in that function. ffs->strings_count does not need to be checked in any way since in the above scenario it will remain zero and usb_string_ids_n() is a no-operation when colled with 0 argument. Signed-off-by:
Michal Nazarewicz <mina86@mina86.com> Signed-off-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Johan Hovold authored
commit aea1ae87 upstream. Fix NULL-pointer dereference when probing an interface with no endpoints. These devices have two bulk endpoints per interface, but this avoids crashing the kernel if a user forces a non-FTDI device to be probed. Note that the iterator variable was made unsigned in order to avoid a maybe-uninitialized compiler warning for ep_desc after the loop. Fixes: 895f28ba ("USB: ftdi_sio: fix hi-speed device packet size calculation") Reported-by:
Mike Remski <mremski@mutualink.net> Tested-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Bjørn Mork authored
commit b0ebef36 upstream. Adding a couple of Olivetti modems and blacklisting the net function on a couple which are already supported. Reported-by:
Lars Melin <larsm17@gmail.com> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Oliver Neukum authored
commit 1cab4c68 upstream. Reported by Alif Mubarak Ahmad: This device vendor and product id is 1c9e:9800 It is working as serial interface with generic usbserial driver. I thought it is more suitable to use usbserial option driver, which has better capability distinguishing between modem serial interface and micro sd storage interface. [ johan: style changes ] Signed-off-by:
Oliver Neukum <oneukum@suse.de> Tested-by:
Alif Mubarak Ahmad <alive4ever@live.com> Signed-off-by:
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Wang, Yu authored
commit d6236f6d upstream. The system suspend flow as following: 1, Freeze all user processes and kenrel threads. 2, Try to suspend all devices. 2.1, If pci device is in RPM suspended state, then pci driver will try to resume it to RPM active state in the prepare stage. 2.2, xhci_resume function calls usb_hcd_resume_root_hub to queue two workqueue items to resume usb2&usb3 roothub devices. 2.3, Call suspend callbacks of devices. 2.3.1, All suspend callbacks of all hcd's children, including roothub devices are called. 2.3.2, Finally, hcd_pci_suspend callback is called. Due to workqueue threads were already frozen in step 1, the workqueue items can't be scheduled, and the roothub devices can't be resumed in this flow. The HCD_FLAG_WAKEUP_PENDING flag which is set in usb_hcd_resume_root_hub won't be cleared. Finally, hcd_pci_suspend will return -EBUSY, and system suspend fails. The reason why this issue doesn't show up very often is due to that choose_wakeup will be called in step 2.3.1. In step 2.3.1, if udev->do_remote_wakeup is not equal to device_may_wakeup(&udev->dev), then udev will resume to RPM active for changing the wakeup settings. This has been a lucky hit which hides this issue. For some special xHCI controllers which have no USB2 port, then roothub will not match hub driver due to probe failed. Then its do_remote_wakeup will be set to zero, and we won't be as lucky. xhci driver doesn't need to resume roothub devices everytime like in the above case. It's only needed when there are pending event TRBs. This patch should be back-ported to kernels as old as 3.2, that contains the commit f69e3120 "USB: XHCI: resume root hubs when the controller resumes" Signed-off-by:
Wang, Yu <yu.y.wang@intel.com> Acked-by:
Alan Stern <stern@rowland.harvard.edu> [use readl() instead of removed xhci_readl(), reword commit message -Mathias] Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
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Mathias Nyman authored
commit 3213b151 upstream. The transfer burst count (TBC) field in xhci 1.0 hosts should be set to the number of bursts needed to transfer all packets in a isoc TD. Supported values are 0-2 (1 to 3 bursts per service interval). Formula for TBC calculation is given in xhci spec section 4.11.2.3: TBC = roundup( Transfer Descriptor Packet Count / Max Burst Size +1 ) - 1 This patch should be applied to stable kernels since 3.0 that contain the commit 5cd43e33 "xhci 1.0: Set transfer burst count field." Suggested-by:
ShiChun Ma <masc2008@qq.com> Signed-off-by:
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Paolo Bonzini authored
commit 8faeb529 upstream. Even though the virtio-scsi spec guarantees that all requests related to the TMF will have been completed by the time the TMF itself completes, the request queue's callback might not have run yet. This causes requests to be completed more than once, and as a result triggers a variety of BUGs or oopses. Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> Reviewed-by:
Venkatesh Srinivas <venkateshs@google.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Paolo Bonzini authored
commit cdda0e5a upstream. Calling the workqueue interface on uninitialized work items isn't a good idea even if they're zeroed. It's not failing catastrophically only through happy accidents. Signed-off-by:
Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by:
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Brian King authored
commit 7114aae0 upstream. Add a memory barrier prior to sending a new command to the VIOS to ensure the VIOS does not receive stale data in the command buffer. Also add a memory barrier when processing the CRQ for completed commands. Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Acked-by:
Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by:
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Brian King authored
commit 9ee75597 upstream. If a CRQ reset is triggered for some reason while in the middle of performing VSCSI adapter initialization, we don't want to call the done function for the initialization MAD commands as this will only result in two threads attempting initialization at the same time, resulting in failures. Signed-off-by:
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- 07 Jul, 2014 18 commits
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Greg Kroah-Hartman authored
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Oleg Nesterov authored
commit 4af4206b upstream. syscall_regfunc() and syscall_unregfunc() should set/clear TIF_SYSCALL_TRACEPOINT system-wide, but do_each_thread() can race with copy_process() and miss the new child which was not added to the process/thread lists yet. Change copy_process() to update the child's TIF_SYSCALL_TRACEPOINT under tasklist. Link: http://lkml.kernel.org/p/20140413185854.GB20668@redhat.com Fixes: a871bd33 "tracing: Add syscall tracepoints" Acked-by:
Frederic Weisbecker <fweisbec@gmail.com> Acked-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
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Steven Rostedt (Red Hat) authored
commit 379cfdac upstream. In order to prevent the saved cmdline cache from being filled when tracing is not active, the comms are only recorded after a trace event is recorded. The problem is, a comm can fail to be recorded if the trace_cmdline_lock is held. That lock is taken via a trylock to allow it to happen from any context (including NMI). If the lock fails to be taken, the comm is skipped. No big deal, as we will try again later. But! Because of the code that was added to only record after an event, we may not try again later as the recording is made as a oneshot per event per CPU. Only disable the recording of the comm if the comm is actually recorded. Fixes: 7ffbd48d "tracing: Cache comms only after an event occurred" Signed-off-by:
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Jacob Keller authored
commit 8401aa1f upstream. Update the SubmittingPatches process to include howto about the new 'Fixes:' tag to be used when a patch fixes an issue in a previous commit (found by git-bisect for example). Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Mathias Krause authored
commit 278f2b3e upstream. The ulog messages leak heap bytes by the means of padding bytes and incompletely filled string arrays. Fix those by memset(0)'ing the whole struct before filling it. Signed-off-by:
Mathias Krause <minipli@googlemail.com> Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Cc: Jan Tore Morken <jantore@morken.priv.no> Signed-off-by:
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Krzysztof Kozlowski authored
commit d5653f2b upstream. Fix NULL pointer exceptions when platform data is not supplied. Trace of one exception: Unable to handle kernel NULL pointer dereference at virtual address 00000008 pgd = c0004000 [00000008] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT SMP ARM Modules linked in: CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.14.0-12045-gead5dd4687a6-dirty #1628 task: eea80000 ti: eea88000 task.ti: eea88000 PC is at max77693_muic_probe+0x27c/0x528 LR is at regmap_write+0x50/0x60 pc : [<c041d1c8>] lr : [<c02eba60>] psr: 20000113 sp : eea89e38 ip : 00000000 fp : c098a834 r10: ee1a5a10 r9 : 00000005 r8 : c098a83c r7 : 0000000a r6 : c098a774 r5 : 00000005 r4 : eeb006d0 r3 : c0697bd8 r2 : 00000000 r1 : 00000001 r0 : 00000000 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c5387d Table: 4000404a DAC: 00000015 Process swapper/0 (pid: 1, stack limit = 0xeea88240) Stack: (0xeea89e38 to 0xeea8a000) 9e20: c08499fc eeb006d0 9e40: 00000000 00000000 c0915f98 00000001 00000000 ee1a5a10 c098a730 c09a88b8 9e60: 00000000 c098a730 c0915f98 00000000 00000000 c02d6aa0 c02d6a88 ee1a5a10 9e80: c0a712c8 c02d54e4 00001204 c0628b00 ee1a5a10 c098a730 ee1a5a44 00000000 9ea0: eea88000 c02d57b4 00000000 c098a730 c02d5728 c02d3a24 ee813e5c eeb9d534 9ec0: c098a730 ee22f700 c097c720 c02d4b14 c08174ec c098a730 00000006 c098a730 9ee0: 00000006 c092fd30 c09b8500 c02d5df8 00000000 c093cbb8 00000006 c0008928 9f00: 000000c3 ef7fc785 00000000 ef7fc794 00000000 c08af968 00000072 eea89f30 9f20: ef7fc85e c065f198 000000c3 c003e87c 00000003 00000000 c092fd3c 00000000 9f40: c08af618 c0826d58 00000006 00000006 c0956f58 c093cbb8 00000006 c092fd30 9f60: c09b8500 000000c3 c092fd3c c08e8510 00000000 c08e8bb0 00000006 00000006 9f80: c08e8510 c0c0c0c0 00000000 c0628fac 00000000 00000000 00000000 00000000 9fa0: 00000000 c0628fb4 00000000 c000f038 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 c0c0c0c0 c0c0c0c0 [<c041d1c8>] (max77693_muic_probe) from [<c02d6aa0>] (platform_drv_probe+0x18/0x48) [<c02d6aa0>] (platform_drv_probe) from [<c02d54e4>] (driver_probe_device+0x140/0x384) [<c02d54e4>] (driver_probe_device) from [<c02d57b4>] (__driver_attach+0x8c/0x90) [<c02d57b4>] (__driver_attach) from [<c02d3a24>] (bus_for_each_dev+0x54/0x88) [<c02d3a24>] (bus_for_each_dev) from [<c02d4b14>] (bus_add_driver+0xe8/0x204) [<c02d4b14>] (bus_add_driver) from [<c02d5df8>] (driver_register+0x78/0xf4) [<c02d5df8>] (driver_register) from [<c0008928>] (do_one_initcall+0xc4/0x174) [<c0008928>] (do_one_initcall) from [<c08e8bb0>] (kernel_init_freeable+0xfc/0x1c8) [<c08e8bb0>] (kernel_init_freeable) from [<c0628fb4>] (kernel_init+0x8/0xec) [<c0628fb4>] (kernel_init) from [<c000f038>] (ret_from_fork+0x14/0x3c) Code: caffffe7 e59d200c e3550001 b3a05001 (e5923008) ---[ end trace 85db969ce011bde7 ]--- Signed-off-by:
Krzysztof Kozlowski <k.kozlowski@samsung.com> Fixes: 190d7cfcSigned-off-by:
Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by:
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Tomas Winkler authored
commit b04ada92 upstream. We cleared H_RST for H_CSR on spurious interrupt generated when ME_RDY while cleared and not while ME_RDY is set. The spurious interrupt is not delivered on all platforms in this case the driver may fail to initialize. Signed-off-by:
Tomas Winkler <tomas.winkler@intel.com> Signed-off-by:
Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by:
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Tomas Winkler authored
commit c40765d9 upstream. According the spec the host should read H_CSR again after asserting reset H_RST to ensure that reset was read by the firmware Signed-off-by:
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Tejun Heo authored
commit b9cd18de upstream. The 'sysret' fastpath does not correctly restore even all regular registers, much less any segment registers or reflags values. That is very much part of why it's faster than 'iret'. Normally that isn't a problem, because the normal ptrace() interface catches the process using the signal handler infrastructure, which always returns with an iret. However, some paths can get caught using ptrace_event() instead of the signal path, and for those we need to make sure that we aren't going to return to user space using 'sysret'. Otherwise the modifications that may have been done to the register set by the tracer wouldn't necessarily take effect. Fix it by forcing IRET path by setting TIF_NOTIFY_RESUME from arch_ptrace_stop_needed() which is invoked from ptrace_stop(). Signed-off-by:
Tejun Heo <tj@kernel.org> Reported-by:
Andy Lutomirski <luto@amacapital.net> Acked-by:
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Peter Christensen authored
commit f44a5f45 upstream. Receiving a ICMP response to an IPIP packet in a non-linear skb could cause a kernel panic in __skb_pull. The problem was introduced in commit f2edb9f7 ("ipvs: implement passive PMTUD for IPIP packets"). Signed-off-by:
Peter Christensen <pch@ordbogen.com> Acked-by:
Julian Anastasov <ja@ssi.bg> Signed-off-by:
Simon Horman <horms@verge.net.au> Signed-off-by:
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Deng-Cheng Zhu authored
commit 8c9eb041 upstream. kvm_arch_vcpu_free() is called in 2 code paths: 1) kvm_vm_ioctl() kvm_vm_ioctl_create_vcpu() kvm_arch_vcpu_destroy() kvm_arch_vcpu_free() 2) kvm_put_kvm() kvm_destroy_vm() kvm_arch_destroy_vm() kvm_mips_free_vcpus() kvm_arch_vcpu_free() Neither of the paths handles VCPU free. We need to do it in kvm_arch_vcpu_free() corresponding to the memory allocation in kvm_arch_vcpu_create(). Signed-off-by:
Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Reviewed-by:
James Hogan <james.hogan@imgtec.com> Signed-off-by:
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James Hogan authored
commit c6c0a663 upstream. The kfree() function already NULL checks the parameter so remove the redundant NULL checks before kfree() calls in arch/mips/kvm/. Signed-off-by:
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Jeff Mahoney authored
commit 22e7478d upstream. Prior to commit 0e4f6a79 (Fix reiserfs_file_release()), reiserfs truncates serialized on i_mutex. They mostly still do, with the exception of reiserfs_file_release. That blocks out other writers via the tailpack mutex and the inode openers counter adjusted in reiserfs_file_open. However, NFS will call reiserfs_setattr without having called ->open, so we end up with a race when nfs is calling ->setattr while another process is releasing the file. Ultimately, it triggers the BUG_ON(inode->i_size != new_file_size) check in maybe_indirect_to_direct. The solution is to pull the lock into reiserfs_setattr to encompass the truncate_setsize call as well. Signed-off-by:
Jeff Mahoney <jeffm@suse.com> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Benjamin Herrenschmidt authored
commit dd58a092 upstream. The Vector Crypto category instructions are supported by current POWER8 chips, advertise them to userspace using a specific bit to properly differentiate with chips of the same architecture level that might not have them. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Paul Bolle authored
commit b69a1da9 upstream. Commit cd64d169 ("powerpc: mtmsrd not defined") added a check for CONFIG_PPC_CPU were a check for CONFIG_PPC_FPU was clearly intended. Fixes: cd64d169 ("powerpc: mtmsrd not defined") Signed-off-by:
Paul Bolle <pebolle@tiscali.nl> Signed-off-by:
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Paul Bolle authored
commit 6e0fdf9a upstream. Commit b0d278b7 ("powerpc/perf_event: Reduce latency of calling perf_event_do_pending") added a check for CONFIG_PMAC were a check for CONFIG_PPC_PMAC was clearly intended. Fixes: b0d278b7 ("powerpc/perf_event: Reduce latency of calling perf_event_do_pending") Signed-off-by:
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Anton Blanchard authored
commit 5d73320a upstream. commit 8f9c0119 (compat: fs: Generic compat_sys_sendfile implementation) changed the PowerPC 64bit sendfile call from sys_sendile64 to sys_sendfile. Unfortunately this broke sendfile of lengths greater than 2G because sys_sendfile caps at MAX_NON_LFS. Restore what we had previously which fixes the bug. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Gavin Shan authored
commit 54f112a3 upstream. In pseries_eeh_get_state(), EEH_STATE_UNAVAILABLE is always overwritten by EEH_STATE_NOT_SUPPORT because of the missed "break" there. The patch fixes the issue. Reported-by:
Joe Perches <joe@perches.com> Signed-off-by:
Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by:
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