- 11 Sep, 2016 11 commits
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Andrea Arcangeli authored
commit ad33bb04 upstream. pmd_trans_unstable()/pmd_none_or_trans_huge_or_clear_bad() were introduced to locklessy (but atomically) detect when a pmd is a regular (stable) pmd or when the pmd is unstable and can infinitely transition from pmd_none() and pmd_trans_huge() from under us, while only holding the mmap_sem for reading (for writing not). While holding the mmap_sem only for reading, MADV_DONTNEED can run from under us and so before we can assume the pmd to be a regular stable pmd we need to compare it against pmd_none() and pmd_trans_huge() in an atomic way, with pmd_trans_unstable(). The old pmd_trans_huge() left a tiny window for a race. Useful applications are unlikely to notice the difference as doing MADV_DONTNEED concurrently with a page fault would lead to undefined behavior. [js] 3.12 backport: no pmd_devmap in 3.12 yet. [akpm@linux-foundation.org: tidy up comment grammar/layout] Signed-off-by:
Andrea Arcangeli <aarcange@redhat.com> Reported-by:
Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Willy Tarreau authored
I checked Jari's explanation below and found that v3.14.77 and v3.12.62 are missing the same fix as 3.10. In fact Al's original commit 3d56c25e ("fix d_walk()/non-delayed __d_free() race") used to mention to check this __d_materialise_dentry() function in the Cc: stable line, but this got lost during the backports. Normally all of our 3 kernels need to apply the following patch that Ben correctly put in 3.16 and 3.2. I'm fixing the backport in 3.10.103 right now. On Mon, Aug 22, 2016 at 04:56:57PM +0300, Jari Ruusu wrote: > This patch for 3.10 branch appears to be missing one important > > + dentry->d_flags |= DCACHE_RCUACCESS; > > in fs/dcache.c __d_materialise_dentry() function. When Ben Hutchings > backported Al Viro's original fix to stable branches that he maintains, > he added that one additional line to both 3.2 and 3.16 branches. Please > consider including that additional one line fix for 3.10 stable branch > also. > > > Ben Hutchings said this on his 3.2.82-rc1 patch: > [bwh: Backported to 3.2: > - Adjust context > - Also set the flag in __d_materialise_dentry())] > > http://marc.info/?l=linux-kernel&m=147117565612275&w=2 > > > Ben Hutchings said this on his 3.16.37-rc1 patch: > [bwh: Backported to 3.16: > - Adjust context > - Also set the flag in __d_materialise_dentry())] > > http://marc.info/?l=linux-kernel&m=147117433412006&w=2 > > > Also mentioned by Sasha Levin on 3.18 and 4.1 commits: > Cc: stable@vger.kernel.org # v3.2+ (and watch out for __d_materialise_dentry()) > > http://marc.info/?l=linux-stable-commits&m=146648034410827&w=2 > http://marc.info/?l=linux-stable-commits&m=146647471009771&w=2Signed-off-by:
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Martin Schwidefsky authored
commit 532c34b5 upstream. The sclp_ctl_ioctl_sccb function uses two copy_from_user calls to retrieve the sclp request from user space. The first copy_from_user fetches the length of the request which is stored in the first two bytes of the request. The second copy_from_user gets the complete sclp request, but this copies the length field a second time. A malicious user may have changed the length in the meantime. Reported-by:
Pengfei Wang <wpengfeinudt@gmail.com> Reviewed-by:
Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Juerg Haefliger <juerg.haefliger@hpe.com> Signed-off-by:
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Kangjie Lu authored
commit 4116def2 upstream. The last field "flags" of object "minfo" is not initialized. Copying this object out may leak kernel stack data. Assign 0 to it to avoid leak. Signed-off-by:
Kangjie Lu <kjlu@gatech.edu> Acked-by:
Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Ian Abbott authored
commit 5ca05345 upstream. For counter subdevices, the `s->insn_write` handler is being set to the wrong function, `ni_tio_insn_read()`. It should be `ni_tio_insn_write()`. Signed-off-by:
Ian Abbott <abbotti@mev.co.uk> Reported-by:
Éric Piel <piel@delmic.com> Fixes: 10f74377 ("staging: comedi: ni_tio: make ni_tio_winsn() a proper comedi (*insn_write)") Signed-off-by:
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Theodore Ts'o authored
commit 829fa70d upstream. A number of fuzzing failures seem to be caused by allocation bitmaps or other metadata blocks being pointed at the superblock. This can cause kernel BUG or WARNings once the superblock is overwritten, so validate the group descriptor blocks to make sure this doesn't happen. Signed-off-by:
Theodore Ts'o <tytso@mit.edu> Signed-off-by:
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Alexander Shiyan authored
commit 7e6bd12f upstream. We are checking sizeof() the wrong variable! Signed-off-by:
Alexander Shiyan <shc_work@mail.ru> Signed-off-by:
Michael Krufky <mkrufky@linuxtv.org> Signed-off-by:
Mauro Carvalho Chehab <m.chehab@samsung.com> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by:
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Tomer Barletz authored
commit 8ec7cfce upstream. This fixes the following warning, that is seen with gcc 5.1: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]. Signed-off-by:
Tomer Barletz <barletz@gmail.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by:
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James C Boyd authored
commit 09a5c34e upstream. GCC reports a -Wlogical-not-parentheses warning here; therefore add parentheses to shut it up and to express our intent more. Signed-off-by:
James C Boyd <jcboyd.dev@gmail.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by:
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Tim Gardner authored
commit dd29dae0 upstream. drivers/scsi/be2iscsi/be_main.c: In function 'be_sgl_create_contiguous': drivers/scsi/be2iscsi/be_main.c:3187:18: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] WARN_ON(!length > 0); gcc version 5.2.1 Signed-off-by:
Tim Gardner <tim.gardner@canonical.com> Cc: Jayamohan Kallickal <jayamohan.kallickal@avagotech.com> Cc: Minh Tran <minh.tran@avagotech.com> Cc: John Soni Jose <sony.john-n@avagotech.com> Cc: "James E.J. Bottomley" <JBottomley@odin.com> Reported-by:
Joel Stanley <joel@jms.id.au> Reviewed-by:
Manoj Kumar <manoj@linux.vnet.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit 6f8f768a which was bce271f2 upstream. It was applied incorrectly, and isn't needed for 3.14-stable. Reported-by:
Willy Tarreau <w@1wt.eu> Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
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- 07 Sep, 2016 29 commits
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Greg Kroah-Hartman authored
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Dan Carpenter authored
commit f18ebc21 upstream. The problem with ornamental, do-nothing gotos is that they lead to "forgot to set the error code" bugs. We should be returning -EINVAL here but we don't. It leads to an uninitalized variable in counter_show(): drivers/acpi/sysfs.c:603 counter_show() error: uninitialized symbol 'status'. Fixes: 1c8fce27 (ACPI: introduce drivers/acpi/sysfs.c) Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Ian Abbott authored
commit 80e162ee upstream. `daqboard2000_find_boardinfo()` is supposed to check if the DaqBoard/2000 series model is supported, based on the PCI subvendor and subdevice ID. The current code is wrong as it is comparing the PCI device's subdevice ID to an expected, fixed value for the subvendor ID. It should be comparing the PCI device's subvendor ID to this fixed value. Correct it. Fixes: 7e8401b2 ("staging: comedi: daqboard2000: add back subsystem_device check") Signed-off-by:
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Alexey Khoroshilov authored
commit 3b7c7e52 upstream. There is an allocation with GFP_KERNEL flag in mos7840_write(), while it may be called from interrupt context. Follow-up for commit 19125283 ("USB: kobil_sct: fix non-atomic allocation in write path") Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Alexey Khoroshilov authored
commit 5a5a1d61 upstream. There is an allocation with GFP_KERNEL flag in mos7720_write(), while it may be called from interrupt context. Follow-up for commit 19125283 ("USB: kobil_sct: fix non-atomic allocation in write path") Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
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Alan Stern authored
commit 6c73358c upstream. The maximum value allowed for wMaxPacketSize of a high-speed interrupt endpoint is 1024 bytes, not 1023. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Fixes: aed9d65a ("USB: validate wMaxPacketValue entries in endpoint descriptors") Signed-off-by:
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Dan Carpenter authored
commit e514cc0a upstream. The props->ap[] array is defined like this: struct alg_props ap[NX_MAX_FC][NX_MAX_MODE][3]; So we can see that if msc->fc and msc->mode are == to NX_MAX_FC or NX_MAX_MODE then we're off by one. Fixes: ae0222b7 ('powerpc/crypto: nx driver code supporting nx encryption') Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Dmitry Torokhov authored
commit 47af45d6 upstream. The commit 40974618 ("Input: i8042 - break load dependency ...") correctly set up ps2_cmd_mutex pointer for the KBD port but forgot to do the same for AUX port(s), which results in communication on KBD and AUX ports to clash with each other. Fixes: 40974618 ("Input: i8042 - break load dependency ...") Reported-by:
Bruno Wolff III <bruno@wolff.to> Tested-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by:
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Dmitry Torokhov authored
commit 40974618 upstream. As explained in 1407814240-4275-1-git-send-email-decui@microsoft.com we have a hard load dependency between i8042 and atkbd which prevents keyboard from working on Gen2 Hyper-V VMs. > hyperv_keyboard invokes serio_interrupt(), which needs a valid serio > driver like atkbd.c. atkbd.c depends on libps2.c because it invokes > ps2_command(). libps2.c depends on i8042.c because it invokes > i8042_check_port_owner(). As a result, hyperv_keyboard actually > depends on i8042.c. > > For a Generation 2 Hyper-V VM (meaning no i8042 device emulated), if a > Linux VM (like Arch Linux) happens to configure CONFIG_SERIO_I8042=m > rather than =y, atkbd.ko can't load because i8042.ko can't load(due to > no i8042 device emulated) and finally hyperv_keyboard can't work and > the user can't input: https://bugs.archlinux.org/task/39820 > (Ubuntu/RHEL/SUSE aren't affected since they use CONFIG_SERIO_I8042=y) To break the dependency we move away from using i8042_check_port_owner() and instead allow serio port owner specify a mutex that clients should use to serialize PS/2 command stream. Reported-by:
Mark Laws <mdl@60hz.org> Tested-by:
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Masahiro Yamada authored
commit fae16989 upstream. Commit fe6b0dfa ("Input: tegra-kbc - use reset framework") accidentally converted _deassert to _assert, so there is no code to wake up this hardware. Fixes: fe6b0dfa ("Input: tegra-kbc - use reset framework") Signed-off-by:
Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by:
Thierry Reding <treding@nvidia.com> Acked-by:
Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by:
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Vegard Nossum authored
commit 088bf2ff upstream. seq_read() is a nasty piece of work, not to mention buggy. It has (I think) an old bug which allows unprivileged userspace to read beyond the end of m->buf. I was getting these: BUG: KASAN: slab-out-of-bounds in seq_read+0xcd2/0x1480 at addr ffff880116889880 Read of size 2713 by task trinity-c2/1329 CPU: 2 PID: 1329 Comm: trinity-c2 Not tainted 4.8.0-rc1+ #96 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014 Call Trace: kasan_object_err+0x1c/0x80 kasan_report_error+0x2cb/0x7e0 kasan_report+0x4e/0x80 check_memory_region+0x13e/0x1a0 kasan_check_read+0x11/0x20 seq_read+0xcd2/0x1480 proc_reg_read+0x10b/0x260 do_loop_readv_writev.part.5+0x140/0x2c0 do_readv_writev+0x589/0x860 vfs_readv+0x7b/0xd0 do_readv+0xd8/0x2c0 SyS_readv+0xb/0x10 do_syscall_64+0x1b3/0x4b0 entry_SYSCALL64_slow_path+0x25/0x25 Object at ffff880116889100, in cache kmalloc-4096 size: 4096 Allocated: PID = 1329 save_stack_trace+0x26/0x80 save_stack+0x46/0xd0 kasan_kmalloc+0xad/0xe0 __kmalloc+0x1aa/0x4a0 seq_buf_alloc+0x35/0x40 seq_read+0x7d8/0x1480 proc_reg_read+0x10b/0x260 do_loop_readv_writev.part.5+0x140/0x2c0 do_readv_writev+0x589/0x860 vfs_readv+0x7b/0xd0 do_readv+0xd8/0x2c0 SyS_readv+0xb/0x10 do_syscall_64+0x1b3/0x4b0 return_from_SYSCALL_64+0x0/0x6a Freed: PID = 0 (stack is not available) Memory state around the buggy address: ffff88011688a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88011688a080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88011688a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88011688a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88011688a200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Disabling lock debugging due to kernel taint This seems to be the same thing that Dave Jones was seeing here: https://lkml.org/lkml/2016/8/12/334 There are multiple issues here: 1) If we enter the function with a non-empty buffer, there is an attempt to flush it. But it was not clearing m->from after doing so, which means that if we try to do this flush twice in a row without any call to traverse() in between, we are going to be reading from the wrong place -- the splat above, fixed by this patch. 2) If there's a short write to userspace because of page faults, the buffer may already contain multiple lines (i.e. pos has advanced by more than 1), but we don't save the progress that was made so the next call will output what we've already returned previously. Since that is a much less serious issue (and I have a headache after staring at seq_read() for the past 8 hours), I'll leave that for now. Link: http://lkml.kernel.org/r/1471447270-32093-1-git-send-email-vegard.nossum@oracle.comSigned-off-by:
Vegard Nossum <vegard.nossum@oracle.com> Reported-by:
Dave Jones <davej@codemonkey.org.uk> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Linus Walleij authored
commit 2527ecc9 upstream. The UserMode (UM) Linux build was failing in gpiolib-of as it requires ioremap()/iounmap() to exist, which is absent from UM. The non-existence of IO memory is negatively defined as CONFIG_NO_IOMEM which means we need to depend on HAS_IOMEM. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Reported-by:
kbuild test robot <fengguang.wu@intel.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Yinghai Lu authored
commit e7f85168 upstream. Found one megaraid_sas HBA probe fails, [ 187.235190] scsi host2: Avago SAS based MegaRAID driver [ 191.112365] megaraid_sas 0000:89:00.0: BAR 0: can't reserve [io 0x0000-0x00ff] [ 191.120548] megaraid_sas 0000:89:00.0: IO memory region busy! and the card has resource like, [ 125.097714] pci 0000:89:00.0: [1000:005d] type 00 class 0x010400 [ 125.104446] pci 0000:89:00.0: reg 0x10: [io 0x0000-0x00ff] [ 125.110686] pci 0000:89:00.0: reg 0x14: [mem 0xce400000-0xce40ffff 64bit] [ 125.118286] pci 0000:89:00.0: reg 0x1c: [mem 0xce300000-0xce3fffff 64bit] [ 125.125891] pci 0000:89:00.0: reg 0x30: [mem 0xce200000-0xce2fffff pref] that does not io port resource allocated from BIOS, and kernel can not assign one as io port shortage. The driver is only looking for MEM, and should not fail. It turns out megasas_init_fw() etc are using bar index as mask. index 1 is used as mask 1, so that pci_request_selected_regions() is trying to request BAR0 instead of BAR1. Fix all related reference. Fixes: b6d5d880 ("megaraid_sas: Use lowest memory bar for SR-IOV VF support") Signed-off-by:
Yinghai Lu <yinghai@kernel.org> Acked-by:
Kashyap Desai <kashyap.desai@broadcom.com> Signed-off-by:
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Gavin Li authored
commit add12505 upstream. This fixes the "BOGUS urb xfer" warning logged by usb_submit_urb(). Signed-off-by:
Gavin Li <git@thegavinli.com> Acked-by:
Oliver Neukum <oneukum@suse.com> Signed-off-by:
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Dave Carroll authored
commit fa00c437 upstream. In aacraid's ioctl_send_fib() we do two fetches from userspace, one the get the fib header's size and one for the fib itself. Later we use the size field from the second fetch to further process the fib. If for some reason the size from the second fetch is different than from the first fix, we may encounter an out-of- bounds access in aac_fib_send(). We also check the sender size to insure it is not out of bounds. This was reported in https://bugzilla.kernel.org/show_bug.cgi?id=116751 and was assigned CVE-2016-6480. Reported-by:
Dave Carroll <david.carroll@microsemi.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
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Felix Fietkau authored
commit 6b07d9ca upstream. The code currently assumes that buffered multicast PS frames don't have a pending ACK frame for tx status reporting. However, hostapd sends a broadcast deauth frame on teardown for which tx status is requested. This can lead to the "Have pending ack frames" warning on module reload. Fix this by using ieee80211_free_txskb/ieee80211_purge_tx_queue. Signed-off-by:
Felix Fietkau <nbd@nbd.name> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Stefan Haberland authored
commit 9ba333dc upstream. When a device is in a status where CIO has killed all I/O by itself the interrupt for a clear request may not contain an irb to determine the clear function. Instead it contains an error pointer -EIO. This was ignored by the DASD int_handler leading to a hanging device waiting for a clear interrupt. Handle -EIO error pointer correctly for requests that are clear pending and treat the clear as successful. Signed-off-by:
Stefan Haberland <sth@linux.vnet.ibm.com> Reviewed-by:
Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by:
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Emmanouil Maroudas authored
commit 993f88f1 upstream. Fix typo in edac_inc_ue_error() to increment ue_noinfo_count instead of ce_noinfo_count. Signed-off-by:
Emmanouil Maroudas <emmanouil.maroudas@gmail.com> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: linux-edac <linux-edac@vger.kernel.org> Fixes: 4275be63 ("edac: Change internal representation to work with layers") Link: http://lkml.kernel.org/r/1461425580-5898-1-git-send-email-emmanouil.maroudas@gmail.comSigned-off-by:
Borislav Petkov <bp@suse.de> Signed-off-by:
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Mathias Nyman authored
commit 0caf6b33 upstream. In most cases the devices with the speed set to USB_SPEED_SUPER_PLUS are handled like regular SuperSpeed devices. Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
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Robert Deliën authored
commit 6977495c upstream. Ivium Technologies uses the FTDI VID with custom PIDs for their line of electrochemical interfaces and the PalmSens they developed for PalmSens BV. Signed-off-by:
Robert Delien <robert@delien.nl> Signed-off-by:
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Sheng-Hui J. Chu authored
commit ae34d12c upstream. BCM20706V2_EVAL is a WICED dev board designed with FT2232H USB 2.0 UART/FIFO IC. To support BCM920706V2_EVAL dev board for WICED development on Linux. Add the VID(0a5c) and PID(6422) to ftdi_sio driver to allow loading ftdi_sio for this board. Signed-off-by:
Sheng-Hui J. Chu <s.jeffrey.chu@gmail.com> Signed-off-by:
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Daniele Palmas authored
commit 01d7956b upstream. This patch adds a set of compositions for Telit LE920A4. Compositions in short are: 0x1207: tty + tty 0x1208: tty + adb + tty + tty 0x1211: tty + adb + ecm 0x1212: tty + adb 0x1213: ecm + tty 0x1214: tty + adb + ecm + tty telit_le922_blacklist_usbcfg3 is reused for compositions 0x1211 and 0x1214 due to the same interfaces positions. Signed-off-by:
Daniele Palmas <dnlplm@gmail.com> Signed-off-by:
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Lubomir Rintel authored
commit cf1b1803 upstream. The device has four interfaces; the three serial ports ought to be handled by this driver: 00 Diagnostic interface serial port 01 NMEA device serial port 02 Mass storage (sd card) 03 Modem serial port The other product ids listed in the Windows driver are present already. Signed-off-by:
Lubomir Rintel <lkundrak@v3.sk> Signed-off-by:
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Alexey Klimov authored
commit 647024a7 upstream. udriver struct allocated by kzalloc() will not be freed if usb_register() and next calls fail. This patch fixes this by adding one more step with kfree(udriver) in error path. Signed-off-by:
Alexey Klimov <klimov.linux@gmail.com> Acked-by:
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Jim Lin authored
commit 88716a93 upstream. After a device is disconnected, xhci_stop_device() will be invoked in xhci_bus_suspend(). Also the "disconnect" IRQ will have ISR to invoke xhci_free_virt_device() in this sequence. xhci_irq -> xhci_handle_event -> handle_cmd_completion -> xhci_handle_cmd_disable_slot -> xhci_free_virt_device If xhci->devs[slot_id] has been assigned to NULL in xhci_free_virt_device(), then virt_dev->eps[i].ring in xhci_stop_device() may point to an invlid address to cause kernel panic. virt_dev = xhci->devs[slot_id]; : if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) [] Unable to handle kernel paging request at virtual address 00001a68 [] pgd=ffffffc001430000 [] [00001a68] *pgd=000000013c807003, *pud=000000013c807003, *pmd=000000013c808003, *pte=0000000000000000 [] Internal error: Oops: 96000006 [#1] PREEMPT SMP [] CPU: 0 PID: 39 Comm: kworker/0:1 Tainted: G U [] Workqueue: pm pm_runtime_work [] task: ffffffc0bc0e0bc0 ti: ffffffc0bc0ec000 task.ti: ffffffc0bc0ec000 [] PC is at xhci_stop_device.constprop.11+0xb4/0x1a4 This issue is found when running with realtek ethernet device (0bda:8153). Signed-off-by:
Jim Lin <jilin@nvidia.com> Signed-off-by:
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Alan Stern authored
commit aed9d65a upstream. Erroneous or malicious endpoint descriptors may have non-zero bits in reserved positions, or out-of-bounds values. This patch helps prevent these from causing problems by bounds-checking the wMaxPacketValue entries in endpoint descriptors and capping the values at the maximum allowed. This issue was first discovered and tests were conducted by Jake Lamberson <jake.lamberson1@gmail.com>, an intern working for Rosie Hall. Signed-off-by:
roswest <roswest@cisco.com> Tested-by:
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Mathias Nyman authored
commit 8a1b2725 upstream. Add a new USB_SPEED_SUPER_PLUS device speed, and make sure usb core can handle the new speed. In most cases the behaviour is the same as with USB_SPEED_SUPER SuperSpeed devices. In a few places we add a "Plus" string to inform the user of the new speed. Signed-off-by:
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Felipe Balbi authored
commit c7de5734 upstream. When using SG lists, we would end up setting request->actual to: num_mapped_sgs * (request->length - count) Let's fix that up by incrementing request->actual only once. Reported-by:
Brian E Rogers <brian.e.rogers@intel.com> Signed-off-by:
Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by:
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Simon Horman authored
commit c2e771b0 upstream. Like the NFP6000, the NFP4000 as an erratum where reading/writing to PCI config space addresses above 0x600 can cause the NFP to generate PCIe completion timeouts. Limit the NFP4000's PF's config space size to 0x600 bytes as is already done for the NFP6000. The NFP4000's VF is 0x6004 (PCI_DEVICE_ID_NETRONOME_NFP6000_VF), the same device ID as the NFP6000's VF. Thus, its config space is already limited by the existing use of quirk_nfp6000(). Signed-off-by:
Simon Horman <simon.horman@netronome.com> Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Signed-off-by:
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