- 09 Dec, 2015 1 commit
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Dan Carpenter authored
[ Upstream commit 50010c20 ] This is decrementing the pointer, instead of the value stored in the pointer. KASan detects it as an out of bounds reference. Reported-by:
"Berry Cheng 程君(成淼)" <chengmiao.cj@alibaba-inc.com> Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 09 Nov, 2015 38 commits
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Greg Kroah-Hartman authored
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Dan Carpenter authored
commit 59c816c1 upstream. This code in vhost_scsi_make_tpg() is confusing because we limit "tpgt" to UINT_MAX but the data type of "tpg->tport_tpgt" and that is a u16. I looked at the context and it turns out that in vhost_scsi_set_endpoint(), "tpg->tport_tpgt" is used as an offset into the vs_tpg[] array which has VHOST_SCSI_MAX_TARGET (256) elements so anything higher than 255 then it is invalid. I have made that the limit now. In vhost_scsi_send_evt() we mask away values higher than 255, but now that the limit has changed, we don't need the mask. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> Cc: Ray Yang <ray.yang@mediatek.com> Signed-off-by:
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Greg Kroah-Hartman authored
Fixes the backport of 0b34a166 upstream Commit 0b34a166 "x86/xen: Support kexec/kdump in HVM guests by doing a soft reset" has been added to the 4.2-stable tree" needed to correct the CONFIG variable, as CONFIG_KEXEC_CORE only showed up in 4.3. Reported-by:
David Vrabel <david.vrabel@citrix.com> Reported-by:
Luis Henriques <luis.henriques@canonical.com> Signed-off-by:
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Soeren Grunewald authored
commit be32c0cf upstream. The Exar XR17V358 can also be combined with a XR17V354 chip to act as a single 12 port chip. This works the same way as the combining two XR17V358 chips. But the reported device id then is 0x4358. Signed-off-by:
Soeren Grunewald <soeren.grunewald@desy.de> Signed-off-by:
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Soeren Grunewald authored
commit 96a5d18b upstream. The Exar XR17V358 chip usually provides only 8 ports. But two chips can be combined to act as a single 16 port chip. Therefor one chip is configured as master the second as slave by connecting the mode pin to VCC (master) or GND (slave). Then the master chip is reporting a different device-id depending on whether a slave is detected or not. The UARTs 8-15 are addressed from 0x2000-0x3fff. So the offset of 0x400 from UART to UART can be used to address all 16 ports as before. See: https://www.exar.com/common/content/document.ashx?id=1587 page 11 Signed-off-by:
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Roman Gushchin authored
commit b8a9d66d upstream. After commit 566c09c5 ("raid5: relieve lock contention in get_active_stripe()") __find_stripe() is called under conf->hash_locks + hash. But handle_stripe_clean_event() calls remove_hash() under conf->device_lock. Under some cirscumstances the hash chain can be circuited, and we get an infinite loop with disabled interrupts and locked hash lock in __find_stripe(). This leads to hard lockup on multiple CPUs and following system crash. I was able to reproduce this behavior on raid6 over 6 ssd disks. The devices_handle_discard_safely option should be set to enable trim support. The following script was used: for i in `seq 1 32`; do dd if=/dev/zero of=large$i bs=10M count=100 & done neilb: original was against a 3.x kernel. I forward-ported to 4.3-rc. This verison is suitable for any kernel since Commit: 59fc630b ("RAID5: batch adjacent full stripe write") (v4.1+). I'll post a version for earlier kernels to stable. Signed-off-by:
Roman Gushchin <klamm@yandex-team.ru> Fixes: 566c09c5 ("raid5: relieve lock contention in get_active_stripe()") Signed-off-by:
NeilBrown <neilb@suse.com> Cc: Shaohua Li <shli@kernel.org> Cc: <stable@vger.kernel.org> # 3.13 - 4.2 Signed-off-by:
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Doron Tsur authored
commit 0ca81a28 upstream. ib_send_cm_sidr_rep could sometimes erase the node from the sidr (depending on errors in the process). Since ib_send_cm_sidr_rep is called both from cm_sidr_req_handler and cm_destroy_id, cm_id_priv could be either erased from the rb_tree twice or not erased at all. Fixing that by making sure it's erased only once before freeing cm_id_priv. Fixes: a977049d ('[PATCH] IB: Add the kernel CM implementation') Signed-off-by:
Doron Tsur <doront@mellanox.com> Signed-off-by:
Matan Barak <matanb@mellanox.com> Signed-off-by:
Doug Ledford <dledford@redhat.com> Signed-off-by:
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Dāvis Mosāns authored
commit 22805217 upstream. When pci_pool_alloc fails in mvs_task_prep then task->lldd_task stays NULL but it's later used in mvs_abort_task as slot which is passed to mvs_slot_task_free causing NULL pointer dereference. Just return from mvs_slot_task_free when passed with NULL slot. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=101891Signed-off-by:
Dāvis Mosāns <davispuh@gmail.com> Reviewed-by:
Tomas Henzl <thenzl@redhat.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
James Bottomley <JBottomley@Odin.com> Signed-off-by:
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NeilBrown authored
commit d01552a7 upstream. This reverts commit 7eb41885. This commit is poorly justified, I can find not discusison in email, and it clearly causes a problem. If a device which is being recovered fails and is subsequently re-added to an array, there could easily have been changes to the array *before* the point where the recovery was up to. So the recovery must start again from the beginning. If a spare is being recovered and fails, then when it is re-added we really should do a bitmap-based recovery up to the recovery-offset, and then a full recovery from there. Before this reversion, we only did the "full recovery from there" which is not corect. After this reversion with will do a full recovery from the start, which is safer but not ideal. It will be left to a future patch to arrange the two different styles of recovery. Reported-and-tested-by:
Nate Dailey <nate.dailey@stratus.com> Signed-off-by:
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Jes Sorensen authored
commit 681ab469 upstream. This was introduced with 9e882242 which changed the return value of submit_bio_wait() to return != 0 on error, but didn't update the caller accordingly. Fixes: 9e882242 ("block: Add submit_bio_wait(), remove from md") Reported-by:
Bill Kuzeja <William.Kuzeja@stratus.com> Signed-off-by:
Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by:
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Jes Sorensen authored
commit 203d27b0 upstream. This was introduced with 9e882242 which changed the return value of submit_bio_wait() to return != 0 on error, but didn't update the caller accordingly. Fixes: 9e882242 ("block: Add submit_bio_wait(), remove from md") Reported-by:
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Herbert Xu authored
commit 3fc89adb upstream. Currently a number of Crypto API operations may fail when a signal occurs. This causes nasty problems as the caller of those operations are often not in a good position to restart the operation. In fact there is currently no need for those operations to be interrupted by user signals at all. All we need is for them to be killable. This patch replaces the relevant calls of signal_pending with fatal_signal_pending, and wait_for_completion_interruptible with wait_for_completion_killable, respectively. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Peter Zijlstra authored
commit 275d7d44 upstream. Poma (on the way to another bug) reported an assertion triggering: [<ffffffff81150529>] module_assert_mutex_or_preempt+0x49/0x90 [<ffffffff81150822>] __module_address+0x32/0x150 [<ffffffff81150956>] __module_text_address+0x16/0x70 [<ffffffff81150f19>] symbol_put_addr+0x29/0x40 [<ffffffffa04b77ad>] dvb_frontend_detach+0x7d/0x90 [dvb_core] Laura Abbott <labbott@redhat.com> produced a patch which lead us to inspect symbol_put_addr(). This function has a comment claiming it doesn't need to disable preemption around the module lookup because it holds a reference to the module it wants to find, which therefore cannot go away. This is wrong (and a false optimization too, preempt_disable() is really rather cheap, and I doubt any of this is on uber critical paths, otherwise it would've retained a pointer to the actual module anyway and avoided the second lookup). While its true that the module cannot go away while we hold a reference on it, the data structure we do the lookup in very much _CAN_ change while we do the lookup. Therefore fix the comment and add the required preempt_disable(). Reported-by:
poma <pomidorabelisima@gmail.com> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Fixes: a6e6abd5 ("module: remove module_text_address()") Signed-off-by:
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Cathy Avery authored
commit a54c8f0f upstream. xen-blkfront will crash if the check to talk_to_blkback() in blkback_changed()(XenbusStateInitWait) returns an error. The driver data is freed and info is set to NULL. Later during the close process via talk_to_blkback's call to xenbus_dev_fatal() the null pointer is passed to and dereference in blkfront_closing. Signed-off-by:
Cathy Avery <cathy.avery@oracle.com> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
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Laura Abbott authored
commit fd7cd061 upstream. We received several reports of systems rebooting and powering on after an attempted shutdown. Testing showed that setting XHCI_SPURIOUS_WAKEUP quirk in addition to the XHCI_SPURIOUS_REBOOT quirk allowed the system to shutdown as expected for LynxPoint-LP xHCI controllers. Set the quirk back. Note that the quirk was originally introduced for LynxPoint and LynxPoint-LP just for this same reason. See: commit 638298dc ("xhci: Fix spurious wakeups after S5 on Haswell") It was later limited to only concern HP machines as it caused regression on some machines, see both bug and commit: Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=66171 commit 6962d914 ("xhci: Limit the spurious wakeup fix only to HP machines") Later it was discovered that the powering on after shutdown was limited to LynxPoint-LP (Haswell-ULT) and that some non-LP HP machine suffered from spontaneous resume from S3 (which should not be related to the SPURIOUS_WAKEUP quirk at all). An attempt to fix this then removed the SPURIOUS_WAKEUP flag usage completely. commit b45abacd ("xhci: no switching back on non-ULT Haswell") Current understanding is that LynxPoint-LP (Haswell ULT) machines need the SPURIOUS_WAKEUP quirk, otherwise they will restart, and plain Lynxpoint (Haswell) machines may _not_ have the quirk set otherwise they again will restart. Signed-off-by:
Laura Abbott <labbott@fedoraproject.org> Cc: Takashi Iwai <tiwai@suse.de> Cc: Oliver Neukum <oneukum@suse.com> [Added more history to commit message -Mathias] Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
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Mathias Nyman authored
commit 3b4739b8 upstream. If a host fails to wake up a isochronous SuperSpeed device from U1/U2 in time for a isoch transfer it will generate a "No ping response error" Host will then move to the next transfer descriptor. Handle this case in the same way as missed service errors, tag the current TD as skipped and handle it on the next transfer event. Signed-off-by:
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Mike Snitzer authored
commit 4dcb8b57 upstream. btree_split_beneath()'s error path had an outstanding FIXME that speaks directly to the potential for _not_ cleaning up a previously allocated bufio-backed block. Fix this by releasing the previously allocated bufio block using unlock_block(). Reported-by:
Mikulas Patocka <mpatocka@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Acked-by:
Joe Thornber <thornber@redhat.com> Signed-off-by:
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Joe Thornber authored
commit 2871c69e upstream. Commit 4c7e3093 ("dm btree remove: fix bug in redistribute3") wasn't a complete fix for redistribute3(). The redistribute3 function takes 3 btree nodes and shares out the entries evenly between them. If the three nodes in total contained (MAX_ENTRIES * 3) - 1 entries between them then this was erroneously getting rebalanced as (MAX_ENTRIES - 1) on the left and right, and (MAX_ENTRIES + 1) in the center. Fix this issue by being more careful about calculating the target number of entries for the left and right nodes. Unit tested in userspace using this program: https://github.com/jthornber/redistribute3-test/blob/master/redistribute3_t.cSigned-off-by:
Joe Thornber <ejt@redhat.com> Signed-off-by:
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Will Deacon authored
commit 9702970c upstream. This reverts commit e306dfd0. With this patch applied, we were the only architecture making this sort of adjustment to the PC calculation in the unwinder. This causes problems for ftrace, where the PC values are matched against the contents of the stack frames in the callchain and fail to match any records after the address adjustment. Whilst there has been some effort to change ftrace to workaround this, those patches are not yet ready for mainline and, since we're the odd architecture in this regard, let's just step in line with other architectures (like arch/arm/) for now. Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
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Ilya Dryomov authored
commit 6d69bb53 upstream. Mapping an image with a long parent chain (e.g. image foo, whose parent is bar, whose parent is baz, etc) currently leads to a kernel stack overflow, due to the following recursion in the reply path: rbd_osd_req_callback() rbd_obj_request_complete() rbd_img_obj_callback() rbd_img_parent_read_callback() rbd_obj_request_complete() ... Limit the parent chain to 16 images, which is ~5K worth of stack. When the above recursion is eliminated, this limit can be lifted. Fixes: http://tracker.ceph.com/issues/12538Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Reviewed-by:
Josh Durgin <jdurgin@redhat.com> [idryomov@gmail.com: backport to 3.14: rbd_dev->opts, context] Signed-off-by:
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Ilya Dryomov authored
commit 1f2c6651 upstream. Currently we leak parent_spec and trigger a "parent reference underflow" warning if rbd_dev_create() in rbd_dev_probe_parent() fails. The problem is we take the !parent out_err branch and that only drops refcounts; parent_spec that would've been freed had we called rbd_dev_unparent() remains and triggers rbd_warn() in rbd_dev_parent_put() - at that point we have parent_spec != NULL and parent_ref == 0, so counter ends up being -1 after the decrement. Redo rbd_dev_probe_parent() to fix this. Signed-off-by:
Alex Elder <elder@linaro.org> Signed-off-by:
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Ronny Hegewald authored
commit bae818ee upstream. rbd requires stable pages, as it performs a crc of the page data before they are send to the OSDs. But since kernel 3.9 (patch 1d1d1a76 "mm: only enforce stable page writes if the backing device requires it") it is not assumed anymore that block devices require stable pages. This patch sets the necessary flag to get stable pages back for rbd. In a ceph installation that provides multiple ext4 formatted rbd devices "bad crc" messages appeared regularly (ca 1 message every 1-2 minutes on every OSD that provided the data for the rbd) in the OSD-logs before this patch. After this patch this messages are pretty much gone (only ca 1-2 / month / OSD). Signed-off-by:
Ronny Hegewald <Ronny.Hegewald@online.de> [idryomov@gmail.com: require stable pages only in crc case, changelog] [idryomov@gmail.com: backport to 3.9-3.17: context] Signed-off-by:
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Alexandre Belloni authored
commit b94e2280 upstream. 0° Kelvin is actually −273.15°C, not -272.15°C. Fix the temperature offset. Also improve the comment explaining the calculation. Reported-by:
Janusz Użycki <j.uzycki@elpromaelectronics.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by:
Stefan Wahren <stefan.wahren@i2se.com> Acked-by:
Marek Vasut <marex@denx.de> Cc: <stable@vger.kernel.org> Signed-off-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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Alex Deucher authored
commit 49abb266 upstream. Fixes a harmless error message caused by: 51a4726bSigned-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Ville Syrjälä authored
commit 8e7a65aa upstream. We accidentally lost the initial DPLL register write in 1c4e0274 drm/i915: Fix DVO 2x clock enable on 830M The "three times for luck" hack probably saved us from a total disaster. But anyway, bring the initial write back so that the code actually makes some sense. Reported-and-tested-by:
Nick Bowler <nbowler@draconx.ca> References: http://mid.gmane.org/CAN_QmVyMaArxYgEcVVsGvsMo7-6ohZr8HmF5VhkkL4i9KOmrhw@mail.gmail.com Cc: Nick Bowler <nbowler@draconx.ca> Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
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Ilia Mirkin authored
commit 2a6c521b upstream. On nv50+, we restrict the valid domains to just the one where the buffer was originally created. However after the buffer is evicted to system memory, we might move it back to a different domain that was not originally valid. When sharing the buffer and retrieving its GEM_INFO data, we still want the domain that will be valid for this buffer in a pushbuf, not the one where it currently happens to be. This resolves fdo#92504 and several others. These are due to suspend evicting all buffers, making it more likely that they temporarily end up in the wrong place. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92504Signed-off-by:
Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by:
Ben Skeggs <bskeggs@redhat.com> Signed-off-by:
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SeongJae Park authored
commit e1bde3b1 upstream. Fix the pointer-integer size mismatch warning below: drivers/spi/spi-gpio.c: In function ‘spi_gpio_setup’: drivers/spi/spi-gpio.c:252:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] cs = (unsigned int) spi->controller_data; ^ Signed-off-by:
SeongJae Park <sj38.park@gmail.com> Signed-off-by:
Mark Brown <broonie@linaro.org> Signed-off-by:
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Lad, Prabhakar authored
commit 31f50e48 upstream. This patch fixes following build warning: In file included from include/linux/printk.h:261:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/module.h:9, from drivers/power/bq24190_charger.c:11: drivers/power/bq24190_charger.c: In function ‘bq24190_irq_handler_thread’: include/linux/dynamic_debug.h:86:20: warning: ‘ss_reg’ may be used uninitialized in this function [-Wmaybe-uninitialized] __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^ drivers/power/bq24190_charger.c:1211:5: note: ‘ss_reg’ was declared here u8 ss_reg, f_reg; ^ In file included from include/linux/printk.h:261:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/module.h:9, from drivers/power/bq24190_charger.c:11: include/linux/dynamic_debug.h:86:20: warning: ‘f_reg’ may be used uninitialized in this function [-Wmaybe-uninitialized] __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^ drivers/power/bq24190_charger.c:1211:13: note: ‘f_reg’ was declared here u8 ss_reg, f_reg; Signed-off-by:
Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by:
Sebastian Reichel <sre@kernel.org> Signed-off-by:
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David S. Miller authored
commit 1d20a160 upstream. drivers/net/ethernet/sfc/selftest.c: In function ‘efx_iterate_state’: drivers/net/ethernet/sfc/selftest.c:388:9: warning: passing argument 1 of ‘memcpy’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-array-qualifiers] This is because the msg[] member of struct efx_loopback_payload is marked as 'const'. Remove that. Signed-off-by:
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Jan Kara authored
commit 296291cd upstream. Currently a simple program below issues a sendfile(2) system call which takes about 62 days to complete in my test KVM instance. int fd; off_t off = 0; fd = open("file", O_RDWR | O_TRUNC | O_SYNC | O_CREAT, 0644); ftruncate(fd, 2); lseek(fd, 0, SEEK_END); sendfile(fd, fd, &off, 0xfffffff); Now you should not ask kernel to do a stupid stuff like copying 256MB in 2-byte chunks and call fsync(2) after each chunk but if you do, sysadmin should have a way to stop you. We actually do have a check for fatal_signal_pending() in generic_perform_write() which triggers in this path however because we always succeed in writing something before the check is done, we return value > 0 from generic_perform_write() and thus the information about signal gets lost. Fix the problem by doing the signal check before writing anything. That way generic_perform_write() returns -EINTR, the error gets propagated up and the sendfile loop terminates early. Signed-off-by:
Jan Kara <jack@suse.com> Reported-by:
Dmitry Vyukov <dvyukov@google.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> 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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Charles Keepax authored
commit 97aff2c0 upstream. There are 24 EQ registers not 25, I suspect this bug came about because the registers start at EQ1 not zero. The bug is relatively harmless as the extra register written is an unused one. Signed-off-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Vasant Hegde authored
commit 8832317f upstream. Currently we do not validate rtas.entry before calling enter_rtas(). This leads to a kernel oops when user space calls rtas system call on a powernv platform (see below). This patch adds code to validate rtas.entry before making enter_rtas() call. Oops: Exception in kernel mode, sig: 4 [#1] SMP NR_CPUS=1024 NUMA PowerNV task: c000000004294b80 ti: c0000007e1a78000 task.ti: c0000007e1a78000 NIP: 0000000000000000 LR: 0000000000009c14 CTR: c000000000423140 REGS: c0000007e1a7b920 TRAP: 0e40 Not tainted (3.18.17-340.el7_1.pkvm3_1_0.2400.1.ppc64le) MSR: 1000000000081000 <HV,ME> CR: 00000000 XER: 00000000 CFAR: c000000000009c0c SOFTE: 0 NIP [0000000000000000] (null) LR [0000000000009c14] 0x9c14 Call Trace: [c0000007e1a7bba0] [c00000000041a7f4] avc_has_perm_noaudit+0x54/0x110 (unreliable) [c0000007e1a7bd80] [c00000000002ddc0] ppc_rtas+0x150/0x2d0 [c0000007e1a7be30] [c000000000009358] syscall_exit+0x0/0x98 Fixes: 55190f88 ("powerpc: Add skeleton PowerNV platform") Reported-by:
NAGESWARA R. SASTRY <nasastry@in.ibm.com> Signed-off-by:
Vasant Hegde <hegdevasant@linux.vnet.ibm.com> [mpe: Reword change log, trim oops, and add stable + fixes] Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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Joerg Roedel authored
commit cbf3ccd0 upstream. During device assignment/deassignment the flags in the DTE get lost, which might cause spurious faults, for example when the device tries to access the system management range. Fix this by not clearing the flags with the rest of the DTE. Reported-by:
G. Richard Bellamy <rbellamy@pteradigm.com> Tested-by:
Joerg Roedel <jroedel@suse.de> Signed-off-by:
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Luca Coelho authored
commit f08f6258 upstream. Add 3 new subdevice IDs for the 0x095A device ID and 2 for the 0x095B device ID. Reported-by:
Jeremy <jeremy.bomkamp@gmail.com> Signed-off-by:
Luca Coelho <luciano.coelho@intel.com> Signed-off-by:
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Johannes Berg authored
commit 2cf5eb3a upstream. The code to send the RX PN data (for each TID) to the firmware has a devastating bug: it overwrites the data for TID 0 with all the TID data, leaving the remaining TIDs zeroed. This will allow replays to actually be accepted by the firmware, which could allow waking up the system. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Johannes Berg authored
commit b5a48134 upstream. The MODULE_FIRMWARE() for 3160 should be using the 7260 version as it's done in the device configuration struct instead of referencing IWL3160_UCODE_API_OK which doesn't even exist. Reported-by:
Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by:
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Johannes Berg authored
commit 5bd16687 upstream. The code to send the RX PN data (for each TID) to the firmware has a devastating bug: it overwrites the data for TID 0 with all the TID data, leaving the remaining TIDs zeroed. This will allow replays to actually be accepted by the firmware, which could allow waking up the system. Signed-off-by:
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Felix Fietkau authored
commit 029cd037 upstream. ath9k inserts padding between the 802.11 header and the data area (to align it). Since it didn't declare this extra required headroom, this led to some nasty issues like randomly dropped packets in some setups. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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- 27 Oct, 2015 1 commit
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Greg Kroah-Hartman authored
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