- 27 Jul, 2017 38 commits
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Yoshihiro Shimoda authored
commit 59a0879a upstream. This patch fixes an issue that some registers may be not initialized after resume if the USBHSF_RUNTIME_PWCTRL is not set. Otherwise, if a cable is not connected, the driver will not enable INTENB0.VBSE after resume. And then, the driver cannot detect the VBUS. Fixes: ca8a282a ("usb: gadget: renesas_usbhs: add suspend/resume support") Signed-off-by:
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by:
Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Johan Hovold authored
commit fe855789 upstream. Add device-id entry for DATECS FP-2000 fiscal printer needing the NO_UNION_NORMAL quirk. Reported-by:
Anton Avramov <lukav@lukav.com> Signed-off-by:
Johan Hovold <johan@kernel.org> Acked-by:
Oliver Neukum <oneukum@suse.com> Signed-off-by:
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Colin Ian King authored
commit 446230f5 upstream. When us->extra is null the driver is not initialized, however, a later call to osd200_scsi_to_ata is made that dereferences us->extra, causing a null pointer dereference. The code currently detects and reports that the driver is not initialized; add a return to avoid the subsequent dereference issue in this check. Thanks to Alan Stern for pointing out that srb->result needs setting to DID_ERROR << 16 Detected by CoverityScan, CID#100308 ("Dereference after null check") Signed-off-by:
Colin Ian King <colin.king@canonical.com> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Mathias Nyman authored
commit 4b895868 upstream. This off by one in stream_id indexing caused NULL pointer dereference and soft lockup on machines with USB attached SCSI devices connected to a hotpluggable xhci controller. The code that cleans up pending URBs for dead hosts tried to dereference a stream ring at the invalid stream_id 0. ep->stream_info->stream_rings[0] doesn't point to a ring. Start looping stream_id from 1 like in all the other places in the driver, and check that the ring exists before trying to kill URBs on it. Reported-by:
rocko r <rockorequin@gmail.com> Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
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Mathias Nyman authored
commit a54408d0 upstream. A uncleared PLC (port link change) bit will prevent furuther port event interrupts for that port. Leaving it uncleared caused get_port_status() to timeout after 20000ms while waiting to get the final port event interrupt for resume -> U0 state change. This is a targeted fix for a specific case where we get a port resume event racing with xhci resume. The port event interrupt handler notices xHC is not yet running and bails out early, leaving PLC uncleared. The whole xhci port resuming needs more attention, but while working on it it anyways makes sense to always ensure PLC is cleared in get_port_status before setting a new link state and waiting for its completion. Signed-off-by:
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Julian Anastasov authored
commit 3c5ab3f3 upstream. We do not check if packet from real server is for NAT connection before performing SNAT. This causes problems for setups that use DR/TUN and allow local clients to access the real server directly, for example: - local client in director creates IPVS-DR/TUN connection CIP->VIP and the request packets are routed to RIP. Talks are finished but IPVS connection is not expired yet. - second local client creates non-IPVS connection CIP->RIP with same reply tuple RIP->CIP and when replies are received on LOCAL_IN we wrongly assign them for the first client connection because RIP->CIP matches the reply direction. As result, IPVS SNATs replies for non-IPVS connections. The problem is more visible to local UDP clients but in rare cases it can happen also for TCP or remote clients when the real server sends the reply traffic via the director. So, better to be more precise for the reply traffic. As replies are not expected for DR/TUN connections, better to not touch them. Reported-by:
Nick Moriarty <nick.moriarty@york.ac.uk> Tested-by:
Julian Anastasov <ja@ssi.bg> Signed-off-by:
Simon Horman <horms@verge.net.au> Signed-off-by:
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Chen Yu authored
commit e60514bd upstream. Currently we saw a lot of "No irq handler" errors during hibernation, which caused the system hang finally: ata4.00: qc timeout (cmd 0xec) ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) ata4.00: revalidation failed (errno=-5) ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300) do_IRQ: 31.151 No irq handler for vector According to above logs, there is an interrupt triggered and it is dispatched to CPU31 with a vector number 151, but there is no handler for it, thus this IRQ will not get acked and will cause an IRQ flood which kills the system. To be more specific, the 31.151 is an interrupt from the AHCI host controller. After some investigation, the reason why this issue is triggered is because the thaw_noirq() function does not restore the MSI/MSI-X settings across hibernation. The scenario is illustrated below: 1. Before hibernation, IRQ 34 is the handler for the AHCI device, which is bound to CPU31. 2. Hibernation starts, the AHCI device is put into low power state. 3. All the nonboot CPUs are put offline, so IRQ 34 has to be migrated to the last alive one - CPU0. 4. After the snapshot has been created, all the nonboot CPUs are brought up again; IRQ 34 remains bound to CPU0. 5. AHCI devices are put into D0. 6. The snapshot is written to the disk. The issue is triggered in step 6. The AHCI interrupt should be delivered to CPU0, however it is delivered to the original CPU31 instead, which causes the "No irq handler" issue. Ying Huang has provided a clue that, in step 3 it is possible that writing to the register might not take effect as the PCI devices have been suspended. In step 3, the IRQ 34 affinity should be modified from CPU31 to CPU0, but in fact it is not. In __pci_write_msi_msg(), if the device is already in low power state, the low level MSI message entry will not be updated but cached. During the device restore process after a normal suspend/resume, pci_restore_msi_state() writes the cached MSI back to the hardware. But this is not the case for hibernation. pci_restore_msi_state() is not currently called in pci_pm_thaw_noirq(), although pci_save_state() has saved the necessary PCI cached information in pci_pm_freeze_noirq(). Restore the PCI status for the device during hibernation. Otherwise the status might be lost across hibernation (for example, settings for MSI, MSI-X, ATS, ACS, IOV, etc.), which might cause problems during hibernation. Suggested-by:
Ying Huang <ying.huang@intel.com> Suggested-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
Chen Yu <yu.c.chen@intel.com> [bhelgaas: changelog] Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Reviewed-by:
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Herbert Xu authored
commit 096f41d3 upstream. The parsing of sadb_x_ipsecrequest is broken in a number of ways. First of all we're not verifying sadb_x_ipsecrequest_len. This is needed when the structure carries addresses at the end. Worse we don't even look at the length when we parse those optional addresses. The migration code had similar parsing code that's better but it also has some deficiencies. The length is overcounted first of all as it includes the header itself. It also fails to check the length before dereferencing the sa_family field. This patch fixes those problems in parse_sockaddr_pair and then uses it in parse_ipsecrequest. Reported-by:
Andrey Konovalov <andreyknvl@google.com> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by:
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Oliver O'Halloran authored
commit 2400fd82 upstream. The workaround for the CELL timebase bug does not correctly mark cr0 as being clobbered. This means GCC doesn't know that the asm block changes cr0 and might leave the result of an unrelated comparison in cr0 across the block, which we then trash, leading to basically random behaviour. Fixes: 859deea9 ("[POWERPC] Cell timebase bug workaround") Signed-off-by:
Oliver O'Halloran <oohall@gmail.com> [mpe: Tweak change log and flag for stable] Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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Anton Blanchard authored
commit 64e756c5 upstream. From POWER4 onwards, mfocrf() only places the specified CR field into the destination GPR, and the rest of it is set to 0. The PowerPC AS from version 3.0 now requires this behaviour. The emulation code currently puts the entire CR into the destination GPR. Fix it. Fixes: 6888199f ("[POWERPC] Emulate more instructions in software") Signed-off-by:
Anton Blanchard <anton@samba.org> Acked-by:
Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by:
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Anton Blanchard authored
commit 87c4b83e upstream. The mcrf emulation code was using the CR field number directly as the shift value, without taking into account that CR fields are numbered from 0-7 starting at the high bits. That meant it was looking at the CR fields in the reverse order. Fixes: cf87c3f6 ("powerpc: Emulate icbi, mcrf and conditional-trap instructions") Signed-off-by:
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Michael Ellerman authored
commit 01e6a61a upstream. Although it's not documented anywhere, there is an expectation that atomic64_inc_not_zero() returns a result which fits in an int. This is the behaviour implemented on all arches except powerpc. This has caused at least one bug in practice, in the percpu-refcount code, where the long result from our atomic64_inc_not_zero() was truncated to an int leading to lost references and stuck systems. That was worked around in that code in commit 966d2b04 ("percpu-refcount: fix reference leak during percpu-atomic transition"). To the best of my grepping abilities there are no other callers in-tree which truncate the value, but we should fix it anyway. Because the breakage is subtle and potentially very harmful I'm also tagging it for stable. Code generation is largely unaffected because in most cases the callers are just using the result for a test anyway. In particular the case of fget() that was mentioned in commit a6cf7ed5 ("powerpc/atomic: Implement atomic*_inc_not_zero") generates exactly the same code. Fixes: a6cf7ed5 ("powerpc/atomic: Implement atomic*_inc_not_zero") Noticed-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Nicholas Bellinger authored
commit 138d351e upstream. This patch re-introduces part of a long standing login workaround that was recently dropped by: commit 1c99de98 Author: Nicholas Bellinger <nab@linux-iscsi.org> Date: Sun Apr 2 13:36:44 2017 -0700 iscsi-target: Drop work-around for legacy GlobalSAN initiator Namely, the workaround for FirstBurstLength ended up being required by Mellanox Flexboot PXE boot ROMs as reported by Robert. So this patch re-adds the work-around for FirstBurstLength within iscsi_check_proposer_for_optional_reply(), and makes the key optional to respond when the initiator does not propose, nor respond to it. Also as requested by Arun, this patch introduces a new TPG attribute named 'login_keys_workaround' that controls the use of both the FirstBurstLength workaround, as well as the two other existing workarounds for gPXE iSCSI boot client. By default, the workaround is enabled with login_keys_workaround=1, since Mellanox FlexBoot requires it, and Arun has verified the Qlogic MSFT initiator already proposes FirstBurstLength, so it's uneffected by this re-adding this part of the original work-around. Reported-by:
Robert LeBlanc <robert@leblancnet.us> Cc: Robert LeBlanc <robert@leblancnet.us> Reviewed-by:
Arun Easi <arun.easi@cavium.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by:
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Maurizio Lombardi authored
commit 62e62ffd upstream. The enclosure_add_device() function should fail if it can't create the relevant sysfs links. Signed-off-by:
Maurizio Lombardi <mlombard@redhat.com> Tested-by:
Douglas Miller <dougmill@linux.vnet.ibm.com> Acked-by:
James Bottomley <jejb@linux.vnet.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Krzysztof Kozlowski authored
commit b556b15d upstream. of_genpd_del_provider() iterates over list of domain provides and removes matching element thus it has to use safe version of list iteration. Fixes: aa42240a (PM / Domains: Add generic OF-based PM domain look-up) Signed-off-by:
Krzysztof Kozlowski <krzk@kernel.org> Acked-by:
Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by:
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Krzysztof Kozlowski authored
commit c6e83cac upstream. pm_genpd_remove_subdomain() iterates over domain's master_links list and removes matching element thus it has to use safe version of list iteration. Fixes: f721889f ("PM / Domains: Support for generic I/O PM domains (v8)") Signed-off-by:
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Satish Babu Patakokila authored
commit 01b8cedf upstream. Currently compress driver hardcodes direction as playback to get substream from the stream. This results in getting the incorrect substream for compressed capture usecase. To fix this, remove the hardcoding and derive substream based on the stream direction. Signed-off-by:
Satish Babu Patakokila <sbpata@codeaurora.org> Signed-off-by:
Banajit Goswami <bgoswami@codeaurora.org> Acked-By:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Arnd Bergmann authored
commit 4a4274bf upstream. In the stable linux-3.16 branch, I ran into a warning in the wlcore driver: drivers/net/wireless/ti/wlcore/spi.c: In function 'wl12xx_spi_raw_write': drivers/net/wireless/ti/wlcore/spi.c:315:1: error: the frame size of 12848 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] Newer kernels no longer show the warning, but the bug is still there, as the allocation is based on the CPU page size rather than the actual capabilities of the hardware. This replaces the PAGE_SIZE macro with the SZ_4K macro, i.e. 4096 bytes per buffer. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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Jason A. Donenfeld authored
commit 329d8230 upstream. This file is filled with complex cryptography. Thus, the comparisons of MACs and secret keys and curve points and so forth should not add timing attacks, which could either result in a direct forgery, or, given the complexity, some other type of attack. Signed-off-by:
Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
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Adrian Hunter authored
commit 6a558f12 upstream. Sometimes a FUP packet is associated with a TSX transaction and a flag is set to indicate that. Ensure that flag is cleared on any error condition because at that point the decoder can no longer assume it is correct. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1495786658-18063-9-git-send-email-adrian.hunter@intel.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
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Adrian Hunter authored
commit ad7167a8 upstream. A value of zero is used to indicate that there is no IP. Ensure the value is zero when the state is INTEL_PT_STATE_NO_IP. Signed-off-by:
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Adrian Hunter authored
commit 12b70806 upstream. The return compression stack must be cleared whenever there is a PSB. Fix one case where that was not happening. Signed-off-by:
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Adrian Hunter authored
commit 3f04d98e upstream. The decoder uses its current timestamp in samples. Usually that is a timestamp that has already passed, but in some cases it is a timestamp for a branch that the decoder is walking towards, and consequently hasn't reached. Improve that situation by using the pkt_state to determine when to use the current or previous timestamp. Signed-off-by:
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Adrian Hunter authored
commit 22c06892 upstream. Move decoder error setting into one condition. Cc'ed to stable because later fixes depend on it. Signed-off-by:
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Mateusz Jurczyk authored
commit f6a5885f upstream. Verify that the caller-provided sockaddr structure is large enough to contain the sa_family field, before accessing it in bind() handlers of the AF_NFC socket. Since the syscall doesn't enforce a minimum size of the corresponding memory region, very short sockaddrs (zero or one byte long) result in operating on uninitialized memory while referencing .sa_family. Signed-off-by:
Mateusz Jurczyk <mjurczyk@google.com> Signed-off-by:
Samuel Ortiz <sameo@linux.intel.com> Signed-off-by:
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Mateusz Jurczyk authored
commit 608c4adf upstream. Fix the sockaddr length verification in the connect() handler of NFC/LLCP sockets, to compare against the size of the actual structure expected on input (sockaddr_nfc_llcp) instead of its shorter version (sockaddr_nfc). Both structures are defined in include/uapi/linux/nfc.h. The fields specific to the _llcp extended struct are as follows: 276 __u8 dsap; /* Destination SAP, if known */ 277 __u8 ssap; /* Source SAP to be bound to */ 278 char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */; 279 size_t service_name_len; If the caller doesn't provide a sufficiently long sockaddr buffer, these fields remain uninitialized (and they currently originate from the stack frame of the top-level sys_connect handler). They are then copied by llcp_sock_connect() into internal storage (nfc_llcp_sock structure), and could be subsequently read back through the user-mode getsockname() function (handled by llcp_sock_getname()). This would result in the disclosure of up to ~70 uninitialized bytes from the kernel stack to user-mode clients capable of creating AFC_NFC sockets. Signed-off-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
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Mateusz Jurczyk authored
commit a0323b97 upstream. Check that the NFC_ATTR_TARGET_INDEX and NFC_ATTR_PROTOCOLS attributes (in addition to NFC_ATTR_DEVICE_INDEX) are provided by the netlink client prior to accessing them. This prevents potential unhandled NULL pointer dereference exceptions which can be triggered by malicious user-mode programs, if they omit one or both of these attributes. Signed-off-by:
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Johan Hovold authored
commit 45dd39b9 upstream. The nci-device was never deregistered in the event that fw-initialisation failed. Fix this by moving the firmware initialisation before device registration since the firmware work queue should be available before registering. Note that this depends on a recent fix that moved device-name initialisation back to to nci_allocate_device() as the firmware-workqueue name is now derived from the nfc-device name. Fixes: 3194c687 ("NFC: nfcmrvl: add firmware download support") Cc: Vincent Cuissard <cuissard@marvell.com> Signed-off-by:
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Johan Hovold authored
commit e5834ac2 upstream. Use the nfc- rather than phy-device in firmware-management code that needs a valid struct device. This specifically fixes a NULL-pointer dereference in nfcmrvl_fw_dnld_init() during registration when the underlying tty is one end of a Unix98 pty. Note that the driver still uses the phy device for any debugging, which is fine for now. Fixes: 3194c687 ("NFC: nfcmrvl: add firmware download support") Cc: Vincent Cuissard <cuissard@marvell.com> Signed-off-by:
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Johan Hovold authored
commit 0cbe4011 upstream. This specifically fixes resource leaks in the registration error paths. Device-managed resources is a bad fit for this driver as devices can be registered from the n_nci line discipline. Firstly, a tty may not even have a corresponding device (should it be part of a Unix98 pty) something which would lead to a NULL-pointer dereference when registering resources. Secondly, if the tty has a class device, its lifetime exceeds that of the line discipline, which means that resources would leak every time the line discipline is closed (or if registration fails). Currently, the devres interface was only being used to request a reset gpio despite the fact that it was already explicitly freed in nfcmrvl_nci_unregister_dev() (along with the private data), something which also prevented the resource leak at close. Note that the driver treats gpio number 0 as invalid despite it being perfectly valid. This will be addressed in a follow-up patch. Fixes: b2fe288e ("NFC: nfcmrvl: free reset gpio") Fixes: 4a2b947f ("NFC: nfcmrvl: add chip reset management") Cc: Vincent Cuissard <cuissard@marvell.com> Signed-off-by:
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Johan Hovold authored
commit 15e0c59f upstream. Make sure to check the tty-device pointer before trying to access the parent device to avoid dereferencing a NULL-pointer when the tty is one end of a Unix98 pty. Fixes: e097dc62 ("NFC: nfcmrvl: add UART driver") Cc: Vincent Cuissard <cuissard@marvell.com> Signed-off-by:
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Johan Hovold authored
commit 20777bc5 upstream. Commit 7eda8b8e ("NFC: Use IDR library to assing NFC devices IDs") moved device-id allocation and struct-device initialisation from nfc_allocate_device() to nfc_register_device(). This broke just about every nfc-device-registration error path, which continue to call nfc_free_device() that tries to put the device reference of the now uninitialised (but zeroed) struct device: kobject: '(null)' (ce316420): is not initialized, yet kobject_put() is being called. The late struct-device initialisation also meant that various work queues whose names are derived from the nfc device name were also misnamed: 421 root 0 SW< [(null)_nci_cmd_] 422 root 0 SW< [(null)_nci_rx_w] 423 root 0 SW< [(null)_nci_tx_w] Move the id-allocation and struct-device initialisation back to nfc_allocate_device() and fix up the single call site which did not use nfc_free_device() in its error path. Fixes: 7eda8b8e ("NFC: Use IDR library to assing NFC devices IDs") Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by:
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Miaoqing Pan authored
commit bde717ab upstream. The hard coded register 0x9864 and 0x9924 are invalid for ar9300 chips. Signed-off-by:
Miaoqing Pan <miaoqing@codeaurora.org> Signed-off-by:
Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by:
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Miaoqing Pan authored
commit cf8ce1ea upstream. One scenario that could lead to UAF is two threads writing simultaneously to the "tx99" debug file. One of them would set the "start" value to true and follow to ath9k_tx99_init(). Inside the function it would set the sc->tx99_state to true after allocating sc->tx99skb. Then, the other thread would execute write_file_tx99() and call ath9k_tx99_deinit(). sc->tx99_state would be freed. After that, the first thread would continue inside ath9k_tx99_init() and call r = ath9k_tx99_send(sc, sc->tx99_skb, &txctl); that would make use of the freed sc->tx99_skb memory. Signed-off-by:
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Viresh Kumar authored
commit 289d72af upstream. After the lock is dropped, it is possible that the cpufreq_dev gets freed before we call get_level() and that can cause kernel to crash. Drop the lock after we are done using the structure. Fixes: 02373d7c ("thermal: cpu_cooling: fix lockdep problems in cpu_cooling") Signed-off-by:
Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by:
Lukasz Luba <lukasz.luba@arm.com> Tested-by:
Eduardo Valentin <edubezval@gmail.com> Signed-off-by:
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Mauro Carvalho Chehab authored
commit a16e3772 upstream. Gcc 7.1 complains about: drivers/media/platform/s5p-jpeg/jpeg-core.c: In function 's5p_jpeg_parse_hdr.isra.9': drivers/media/platform/s5p-jpeg/jpeg-core.c:1207:12: warning: 'width' may be used uninitialized in this function [-Wmaybe-uninitialized] result->w = width; ~~~~~~~~~~^~~~~~~ drivers/media/platform/s5p-jpeg/jpeg-core.c:1208:12: warning: 'height' may be used uninitialized in this function [-Wmaybe-uninitialized] result->h = height; ~~~~~~~~~~^~~~~~~~ Indeed the code would allow it to return a random value (although it shouldn't happen, in practice). So, explicitly set both to zero, just in case. Acked-by:
Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by:
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Arnd Bergmann authored
commit bd7e31bb upstream. gcc-7 suggests that an expression using a bitwise not and a bitmask on a 'bool' variable is better written using boolean logic: drivers/media/rc/imon.c: In function 'imon_incoming_scancode': drivers/media/rc/imon.c:1725:22: error: '~' on a boolean expression [-Werror=bool-operation] ictx->pad_mouse = ~(ictx->pad_mouse) & 0x1; ^ drivers/media/rc/imon.c:1725:22: note: did you mean to use logical not? I agree. Fixes: 21677cfc ("V4L/DVB: ir-core: add imon driver") Signed-off-by:
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Linus Torvalds authored
commit bd664f6b upstream. I made the mistake of upgrading my desktop to the new Fedora 26 that comes with gcc-7.1.1. There's nothing wrong per se that I've noticed, but I now have 1500 lines of warnings, mostly from the new format-truncation warning triggering all over the tree. We use 'snprintf()' and friends in a lot of places, and often know that the numbers are fairly small (ie a controller index or similar), but gcc doesn't know that, and sees an 'int', and thinks that it could be some huge number. And then complains when our buffers are not able to fit the name for the ten millionth controller. These warnings aren't necessarily bad per se, and we probably want to look through them subsystem by subsystem, but at least during the merge window they just mean that I can't even see if somebody is introducing any *real* problems when I pull. So warnings disabled for now. Signed-off-by:
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- 21 Jul, 2017 2 commits
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Greg Kroah-Hartman authored
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Haozhong Zhang authored
commit 691bd434 upstream. It's easier for host applications, such as QEMU, if they can always access guest MSR_IA32_BNDCFGS in VMCS, even though MPX is disabled in guest cpuid. Signed-off-by:
Haozhong Zhang <haozhong.zhang@intel.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
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