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2018-04-20cifs: do not allow creating sockets except with SMB1 posix exensionsSteve French1-4/+5
RHBZ: 1453123 Since at least the 3.10 kernel and likely a lot earlier we have not been able to create unix domain sockets in a cifs share when mounted using the SFU mount option (except when mounted with the cifs unix extensions to Samba e.g.) Trying to create a socket, for example using the af_unix command from xfstests will cause : BUG: unable to handle kernel NULL pointer dereference at 00000000 00000040 Since no one uses or depends on being able to create unix domains sockets on a cifs share the easiest fix to stop this vulnerability is to simply not allow creation of any other special files than char or block devices when sfu is used. Added update to Ronnie's patch to handle a tcon link leak, and to address a buf leak noticed by Gustavo and Colin. Acked-by: Gustavo A. R. Silva <gustavo@embeddedor.com> CC: Colin Ian King <colin.king@canonical.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Reported-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Cc: stable@vger.kernel.org
2018-04-20Merge branch 'fixes' of ↵Linus Torvalds2-33/+6
git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal Pull thermal fixes from Eduardo Valentin: "A couple of fixes for the thermal subsystem" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: dt-bindings: thermal: Remove "cooling-{min|max}-level" properties dt-bindings: thermal: remove no longer needed samsung thermal properties
2018-04-20Merge tag 'mmc-v4.17-3' of ↵Linus Torvalds2-8/+56
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "A couple of MMC host fixes: - sdhci-pci: Fixup tuning for AMD for eMMC HS200 mode - renesas_sdhi_internal_dmac: Avoid data corruption by limiting DMA RX" * tag 'mmc-v4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: renesas_sdhi_internal_dmac: limit DMA RX for old SoCs mmc: sdhci-pci: Only do AMD tuning for HS200
2018-04-20Merge tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/mdLinus Torvalds2-7/+24
Pull MD fixes from Shaohua Li: "Three small fixes for MD: - md-cluster fix for faulty device from Guoqing - writehint fix for writebehind IO for raid1 from Mariusz - a live lock fix for interrupted recovery from Yufen" * tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: raid1: copy write hint from master bio to behind bio md/raid1: exit sync request if MD_RECOVERY_INTR is set md-cluster: don't update recovery_offset for faulty device
2018-04-20cifs: smbd: Dump SMB packet when configuredLong Li1-1/+5
When sending through SMB Direct, also dump the packet in SMB send path. Also fixed a typo in debug message. Signed-off-by: Long Li <longli@microsoft.com> Cc: stable@vger.kernel.org Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2018-04-20btrfs: print-tree: debugging output enhancementQu Wenruo2-11/+16
This patch enhances the following things: - tree block header * add generation and owner output for node and leaf - node pointer generation output - allow btrfs_print_tree() to not follow nodes * just like btrfs-progs Please note that, although function btrfs_print_tree() is not called by anyone right now, it's still a pretty useful function to debug kernel. So that function is still kept for later use. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
2018-04-20btrfs: Fix race condition between delayed refs and blockgroup removalNikolay Borisov3-10/+26
When the delayed refs for a head are all run, eventually cleanup_ref_head is called which (in case of deletion) obtains a reference for the relevant btrfs_space_info struct by querying the bg for the range. This is problematic because when the last extent of a bg is deleted a race window emerges between removal of that bg and the subsequent invocation of cleanup_ref_head. This can result in cache being null and either a null pointer dereference or assertion failure. task: ffff8d04d31ed080 task.stack: ffff9e5dc10cc000 RIP: 0010:assfail.constprop.78+0x18/0x1a [btrfs] RSP: 0018:ffff9e5dc10cfbe8 EFLAGS: 00010292 RAX: 0000000000000044 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8d04ffc1f868 RSI: ffff8d04ffc178c8 RDI: ffff8d04ffc178c8 RBP: ffff8d04d29e5ea0 R08: 00000000000001f0 R09: 0000000000000001 R10: ffff9e5dc0507d58 R11: 0000000000000001 R12: ffff8d04d29e5ea0 R13: ffff8d04d29e5f08 R14: ffff8d04efe29b40 R15: ffff8d04efe203e0 FS: 00007fbf58ead500(0000) GS:ffff8d04ffc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe6c6975648 CR3: 0000000013b2a000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btrfs_run_delayed_refs+0x10e7/0x12c0 [btrfs] btrfs_run_delayed_refs+0x68/0x250 [btrfs] btrfs_should_end_transaction+0x42/0x60 [btrfs] btrfs_truncate_inode_items+0xaac/0xfc0 [btrfs] btrfs_evict_inode+0x4c6/0x5c0 [btrfs] evict+0xc6/0x190 do_unlinkat+0x19c/0x300 do_syscall_64+0x74/0x140 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 RIP: 0033:0x7fbf589c57a7 To fix this, introduce a new flag "is_system" to head_ref structs, which is populated at insertion time. This allows to decouple the querying for the spaceinfo from querying the possibly deleted bg. Fixes: d7eae3403f46 ("Btrfs: rework delayed ref total_bytes_pinned accounting") CC: stable@vger.kernel.org # 4.14+ Suggested-by: Omar Sandoval <osandov@osandov.com> Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
2018-04-20vfs: Undo an overly zealous MS_RDONLY -> SB_RDONLY conversionDavid Howells1-1/+1
In do_mount() when the MS_* flags are being converted to MNT_* flags, MS_RDONLY got accidentally convered to SB_RDONLY. Undo this change. Fixes: e462ec50cb5f ("VFS: Differentiate mount flags (MS_*) from internal superblock flags") Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-04-20afs: Fix server record deletionDavid Howells1-1/+8
AFS server records get removed from the net->fs_servers tree when they're deleted, but not from the net->fs_addresses{4,6} lists, which can lead to an oops in afs_find_server() when a server record has been removed, for instance during rmmod. Fix this by deleting the record from the by-address lists before posting it for RCU destruction. The reason this hasn't been noticed before is that the fileserver keeps probing the local cache manager, thereby keeping the service record alive, so the oops would only happen when a fileserver eventually gets bored and stops pinging or if the module gets rmmod'd and a call comes in from the fileserver during the window between the server records being destroyed and the socket being closed. The oops looks something like: BUG: unable to handle kernel NULL pointer dereference at 000000000000001c ... Workqueue: kafsd afs_process_async_call [kafs] RIP: 0010:afs_find_server+0x271/0x36f [kafs] ... Call Trace: afs_deliver_cb_init_call_back_state3+0x1f2/0x21f [kafs] afs_deliver_to_call+0x1ee/0x5e8 [kafs] afs_process_async_call+0x5b/0xd0 [kafs] process_one_work+0x2c2/0x504 worker_thread+0x1d4/0x2ac kthread+0x11f/0x127 ret_from_fork+0x24/0x30 Fixes: d2ddc776a458 ("afs: Overhaul volume and server record caching and fileserver rotation") Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-04-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds69-349/+786
Pull networking fixes from David Miller: 1) Unbalanced refcounting in TIPC, from Jon Maloy. 2) Only allow TCP_MD5SIG to be set on sockets in close or listen state. Once the connection is established it makes no sense to change this. From Eric Dumazet. 3) Missing attribute validation in neigh_dump_table(), also from Eric Dumazet. 4) Fix address comparisons in SCTP, from Xin Long. 5) Neigh proxy table clearing can deadlock, from Wolfgang Bumiller. 6) Fix tunnel refcounting in l2tp, from Guillaume Nault. 7) Fix double list insert in team driver, from Paolo Abeni. 8) af_vsock.ko module was accidently made unremovable, from Stefan Hajnoczi. 9) Fix reference to freed llc_sap object in llc stack, from Cong Wang. 10) Don't assume netdevice struct is DMA'able memory in virtio_net driver, from Michael S. Tsirkin. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits) net/smc: fix shutdown in state SMC_LISTEN bnxt_en: Fix memory fault in bnxt_ethtool_init() virtio_net: sparse annotation fix virtio_net: fix adding vids on big-endian virtio_net: split out ctrl buffer net: hns: Avoid action name truncation docs: ip-sysctl.txt: fix name of some ipv6 variables vmxnet3: fix incorrect dereference when rxvlan is disabled llc: hold llc_sap before release_sock() MAINTAINERS: Direct networking documentation changes to netdev atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit" net: qmi_wwan: add Wistron Neweb D19Q1 net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN" net: stmmac: Disable ACS Feature for GMAC >= 4 net: mvpp2: Fix DMA address mask size net: change the comment of dev_mc_init net: qualcomm: rmnet: Fix warning seen with fill_info tun: fix vlan packet truncation tipc: fix infinite loop when dumping link monitor summary tipc: fix use-after-free in tipc_nametbl_stop ...
2018-04-20Merge branch 'for-linus' of ↵Linus Torvalds8-11/+39
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs fixes from Al Viro: "Assorted fixes. Some of that is only a matter with fault injection (broken handling of small allocation failure in various mount-related places), but the last one is a root-triggerable stack overflow, and combined with userns it gets really nasty ;-/" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Don't leak MNT_INTERNAL away from internal mounts mm,vmscan: Allow preallocating memory for register_shrinker(). rpc_pipefs: fix double-dput() orangefs_kill_sb(): deal with allocation failures jffs2_kill_sb(): deal with failed allocations hypfs_kill_super(): deal with failed allocations
2018-04-20Merge tag 'ecryptfs-4.17-rc2-fixes' of ↵Linus Torvalds4-21/+46
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull eCryptfs fixes from Tyler Hicks: "Minor cleanups and a bug fix to completely ignore unencrypted filenames in the lower filesystem when filename encryption is enabled at the eCryptfs layer" * tag 'ecryptfs-4.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: don't pass up plaintext names when using filename encryption ecryptfs: fix spelling mistake: "cadidate" -> "candidate" ecryptfs: lookup: Don't check if mount_crypt_stat is NULL
2018-04-20Merge tag 'for_v4.17-rc2' of ↵Linus Torvalds9-40/+63
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs - isofs memory leak fix - two fsnotify fixes of event mask handling - udf fix of UTF-16 handling - couple other smaller cleanups * tag 'for_v4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: Fix leak of UTF-16 surrogates into encoded strings fs: ext2: Adding new return type vm_fault_t isofs: fix potential memory leak in mount option parsing MAINTAINERS: add an entry for FSNOTIFY infrastructure fsnotify: fix typo in a comment about mark->g_list fsnotify: fix ignore mask logic in send_to_group() isofs compress: Remove VLA usage fs: quota: Replace GFP_ATOMIC with GFP_KERNEL in dquot_init fanotify: fix logic of events on child
2018-04-20Merge branch 'for-linus' of ↵Linus Torvalds6-38/+92
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID updates from Jiri Kosina: - suspend/resume handling fix for Raydium I2C-connected touchscreen from Aaron Ma - protocol fixup for certain BT-connected Wacoms from Aaron Armstrong Skomra - battery level reporting fix on BT-connected mice from Dmitry Torokhov - hidraw race condition fix from Rodrigo Rivas Costa * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: i2c-hid: fix inverted return value from i2c_hid_command() HID: i2c-hid: Fix resume issue on Raydium touchscreen device HID: wacom: bluetooth: send exit report for recent Bluetooth devices HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device HID: input: fix battery level reporting on BT mice
2018-04-20Merge branch 'for-linus' of ↵Linus Torvalds5-81/+163
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching Pull livepatching fix from Jiri Kosina: "Shadow variable API list_head initialization fix from Petr Mladek" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching: livepatch: Allow to call a custom callback when freeing shadow variables livepatch: Initialize shadow variables safely by a custom callback
2018-04-20Merge tag 'for-linus-4.17-rc2-tag' of ↵Linus Torvalds4-22/+313
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: - some fixes of kmalloc() flags - one fix of the xenbus driver - an update of the pv sound driver interface needed for a driver which will go through the sound tree * tag 'for-linus-4.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: xenbus_dev_frontend: Really return response string xen/sndif: Sync up with the canonical definition in Xen xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_reg_add xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in xen_pcibk_config_quirks_init xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_device_alloc xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_init_device xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_probe
2018-04-20Merge tag 'mips_fixes_4.17_1' of ↵Linus Torvalds4-6/+26
git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips Pull MIPS fixes from James Hogan: - io: Add barriers to read*() & write*() - dts: Fix boston PCI bus DTC warnings (4.17) - memset: Several corner case fixes (one 3.10, others longer) * tag 'mips_fixes_4.17_1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: MIPS: uaccess: Add micromips clobbers to bzero invocation MIPS: memset.S: Fix clobber of v1 in last_fixup MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup MIPS: memset.S: EVA & fault support for small_memset MIPS: dts: Boston: Fix PCI bus dtc warnings: MIPS: io: Add barrier after register read in readX() MIPS: io: Prevent compiler reordering writeX()
2018-04-20Merge tag 'powerpc-4.17-3' of ↵Linus Torvalds5-4/+20
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix an off-by-one bug in our alternative asm patching which leads to incorrectly patched code. This bug lay dormant for nearly 10 years but we finally hit it due to a recent change. - Fix lockups when running KVM guests on Power8 due to a missing check when a thread that's running KVM comes out of idle. - Fix an out-of-spec behaviour in the XIVE code (P9 interrupt controller). - Fix EEH handling of bridge MMIO windows. - Prevent crashes in our RFI fallback flush handler if firmware didn't tell us the size of the L1 cache (only seen on simulators). Thanks to: Benjamin Herrenschmidt, Madhavan Srinivasan, Michael Neuling. * tag 'powerpc-4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/kvm: Fix lockups when running KVM guests on Power8 powerpc/eeh: Fix enabling bridge MMIO windows powerpc/xive: Fix trying to "push" an already active pool VP powerpc/64s: Default l1d_size to 64K in RFI fallback flush powerpc/lib: Fix off-by-one in alternate feature patching
2018-04-20Merge branch 'for-linus' of ↵Linus Torvalds30-716/+998
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes and kexec-file-load from Martin Schwidefsky: "After the common code kexec patches went in via Andrew we can now push the architecture parts to implement the kexec-file-load system call. Plus a few more bug fixes and cleanups, this includes an update to the default configurations" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/signal: cleanup uapi struct sigaction s390: rename default_defconfig to debug_defconfig s390: remove gcov defconfig s390: update defconfig s390: add support for IBM z14 Model ZR1 s390: remove couple of duplicate includes s390/boot: remove unused COMPILE_VERSION and ccflags-y s390/nospec: include cpu.h s390/decompressor: Ignore file vmlinux.bin.full s390/kexec_file: add generated files to .gitignore s390/Kconfig: Move kexec config options to "Processor type and features" s390/kexec_file: Add ELF loader s390/kexec_file: Add crash support to image loader s390/kexec_file: Add image loader s390/kexec_file: Add kexec_file_load system call s390/kexec_file: Add purgatory s390/kexec_file: Prepare setup.h for kexec_file_load s390/smsgiucv: disable SMSG on module unload s390/sclp: avoid potential usage of uninitialized value
2018-04-20perf/x86/intel/uncore: Fix SBOX support for Broadwell CPUsOskar Senft1-1/+17
SBOX on some Broadwell CPUs is broken because it's enabled unconditionally despite the fact that there are no SBOXes available. Check the Power Control Unit CAPID4 register to determine the number of available SBOXes on the particular CPU before trying to enable them. If there are none, nullify the SBOX descriptor so it isn't tried to be initialized. Signed-off-by: Oskar Senft <osk@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Mark van Dijk <mark@voidzero.net> Reviewed-by: Kan Liang <kan.liang@intel.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: ak@linux.intel.com Cc: peterz@infradead.org Cc: eranian@google.com Link: https://lkml.kernel.org/r/1521810690-2576-2-git-send-email-kan.liang@linux.intel.com
2018-04-20perf/x86/intel/uncore: Revert "Remove SBOX support for Broadwell server"Stephane Eranian1-0/+21
This reverts commit 3b94a891667c ("perf/x86/intel/uncore: Remove SBOX support for Broadwell server") Revert because there exists a proper workaround for Broadwell-EP servers without SBOX now. Note that BDX-DE does not have a SBOX. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kan Liang <kan.liang@intel.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: ak@linux.intel.com Cc: osk@google.com Cc: mark@voidzero.net Link: https://lkml.kernel.org/r/1521810690-2576-1-git-send-email-kan.liang@linux.intel.com
2018-04-20x86/power/64: Fix page-table setup for temporary text mappingJoerg Roedel1-1/+1
On a system with 4-level page-tables there is no p4d, so the pud in the pgd should be mapped. The old code before commit fb43d6cb91ef already did that. The change from above commit causes an invalid page-table which causes undefined behavior. In one report it caused triple faults. Fix it by changing the p4d back to pud. Fixes: fb43d6cb91ef ('x86/mm: Do not auto-massage page protections') Reported-by: Borislav Petkov <bp@suse.de> Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Michal Kubecek <mkubecek@suse.cz> Tested-by: Borislav Petkov <bp@suse.de> Cc: linux-pm@vger.kernel.org Cc: rjw@rjwysocki.net Cc: pavel@ucw.cz Cc: hpa@zytor.com Cc: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lkml.kernel.org/r/1524162360-26179-1-git-send-email-joro@8bytes.org
2018-04-19Don't leak MNT_INTERNAL away from internal mountsAl Viro1-1/+2
We want it only for the stuff created by SB_KERNMOUNT mounts, *not* for their copies. As it is, creating a deep stack of bindings of /proc/*/ns/* somewhere in a new namespace and exiting yields a stack overflow. Cc: stable@kernel.org Reported-by: Alexander Aring <aring@mojatatu.com> Bisected-by: Kirill Tkhai <ktkhai@virtuozzo.com> Tested-by: Kirill Tkhai <ktkhai@virtuozzo.com> Tested-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-04-19MAINTAINERS: Add backup maintainers for libnvdimm and DAXDave Jiang1-0/+15
Adding additional maintainers to libnvdimm related code and DAX. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Ross Zwisler <ross.zwisler@linux.intel.com> Acked-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-04-19device-dax: allow MAP_SYNC to succeedDave Jiang1-0/+2
MAP_SYNC is a nop for device-dax. Allow MAP_SYNC to succeed on device-dax to eliminate special casing between device-dax and fs-dax as to when the flag can be specified. Device-dax users already implicitly assume that they do not need to call fsync(), and this enables them to explicitly check for this capability. Cc: <stable@vger.kernel.org> Fixes: b6fb293f2497 ("mm: Define MAP_SYNC and VM_SYNC flags") Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-04-19Revert "libnvdimm, of_pmem: workaround OF_NUMA=n build error"Dan Williams1-2/+1
With commit df3f126482db ("libnvdimm, of_pmem: use dev_to_node() instead of of_node_to_nid()") it is now possible to allow of_pmem to be built as a module as originally implemented. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-04-19libnvdimm, of_pmem: use dev_to_node() instead of of_node_to_nid()Rob Herring1-1/+1
Remove the direct dependency on of_node_to_nid() by using dev_to_node() instead. Any DT platform device will have its NUMA node id set when the device is created. With this, commit 291717b6fbdb ("libnvdimm, of_pmem: workaround OF_NUMA=n build error") can be reverted. Fixes: 717197608952 ("libnvdimm: Add device-tree based driver") Cc: Dan Williams <dan.j.williams@intel.com> Cc: Oliver O'Halloran <oohall@gmail.com> Cc: linux-nvdimm@lists.01.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-04-19net/smc: fix shutdown in state SMC_LISTENUrsula Braun1-6/+4
Calling shutdown with SHUT_RD and SHUT_RDWR for a listening SMC socket crashes, because commit 127f49705823 ("net/smc: release clcsock from tcp_listen_worker") releases the internal clcsock in smc_close_active() and sets smc->clcsock to NULL. For SHUT_RD the smc_close_active() call is removed. For SHUT_RDWR the kernel_sock_shutdown() call is omitted, since the clcsock is already released. Fixes: 127f49705823 ("net/smc: release clcsock from tcp_listen_worker") Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reported-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19bnxt_en: Fix memory fault in bnxt_ethtool_init()Vasundhara Volam2-24/+27
In some firmware images, the length of BNX_DIR_TYPE_PKG_LOG nvram type could be greater than the fixed buffer length of 4096 bytes allocated by the driver. This was causing HWRM_NVM_READ to copy more data to the buffer than the allocated size, causing general protection fault. Fix the issue by allocating the exact buffer length returned by HWRM_NVM_FIND_DIR_ENTRY, instead of 4096. Move the kzalloc() call into the bnxt_get_pkgver() function. Fixes: 3ebf6f0a09a2 ("bnxt_en: Add installed-package firmware version reporting via Ethtool GDRVINFO") Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19Merge branch 'virtio-ctrl-buffer-fixes'David S. Miller1-29/+39
Michael S. Tsirkin says: ==================== virtio: ctrl buffer fixes Here are a couple of fixes related to the virtio control buffer. Lightly tested on x86 only. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19virtio_net: sparse annotation fixMichael S. Tsirkin1-1/+1
offloads is a buffer in virtio format, should use the __virtio64 tag. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19virtio_net: fix adding vids on big-endianMichael S. Tsirkin1-3/+3
Programming vids (adding or removing them) still passes guest-endian values in the DMA buffer. That's wrong if guest is big-endian and when virtio 1 is enabled. Note: this is on top of a previous patch: virtio_net: split out ctrl buffer Fixes: 9465a7a6f ("virtio_net: enable v1.0 support") Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19virtio_net: split out ctrl bufferMichael S. Tsirkin1-29/+39
When sending control commands, virtio net sets up several buffers for DMA. The buffers are all part of the net device which means it's actually allocated by kvmalloc so it's in theory (on extreme memory pressure) possible to get a vmalloc'ed buffer which on some platforms means we can't DMA there. Fix up by moving the DMA buffers into a separate structure. Reported-by: Mikulas Patocka <mpatocka@redhat.com> Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19net: hns: Avoid action name truncationdann frazier1-1/+1
When longer interface names are used, the action names exposed in /proc/interrupts and /proc/irq/* maybe truncated. For example, when using the predictable name algorithm in systemd on a HiSilicon D05, I see: ubuntu@d05-3:~$ grep enahisic2i0-tx /proc/interrupts | sed 's/.* //' enahisic2i0-tx0 enahisic2i0-tx1 [...] enahisic2i0-tx8 enahisic2i0-tx9 enahisic2i0-tx1 enahisic2i0-tx1 enahisic2i0-tx1 enahisic2i0-tx1 enahisic2i0-tx1 enahisic2i0-tx1 Increase the max ring name length to allow for an interface name of IFNAMSIZE. After this change, I now see: $ grep enahisic2i0-tx /proc/interrupts | sed 's/.* //' enahisic2i0-tx0 enahisic2i0-tx1 enahisic2i0-tx2 [...] enahisic2i0-tx8 enahisic2i0-tx9 enahisic2i0-tx10 enahisic2i0-tx11 enahisic2i0-tx12 enahisic2i0-tx13 enahisic2i0-tx14 enahisic2i0-tx15 Signed-off-by: dann frazier <dann.frazier@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19docs: ip-sysctl.txt: fix name of some ipv6 variablesOlivier Gayot1-4/+4
The name of the following proc/sysctl entries were incorrectly documented: /proc/sys/net/ipv6/conf/<interface>/max_dst_opts_number /proc/sys/net/ipv6/conf/<interface>/max_hbt_opts_number /proc/sys/net/ipv6/conf/<interface>/max_dst_opts_length /proc/sys/net/ipv6/conf/<interface>/max_hbt_length Their name was set to the name of the symbol in the .data field of the control table instead of their .proc name. Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19vmxnet3: fix incorrect dereference when rxvlan is disabledRonak Doshi2-6/+15
vmxnet3_get_hdr_len() is used to calculate the header length which in turn is used to calculate the gso_size for skb. When rxvlan offload is disabled, vlan tag is present in the header and the function references ip header from sizeof(ethhdr) and leads to incorrect pointer reference. This patch fixes this issue by taking sizeof(vlan_ethhdr) into account if vlan tag is present and correctly references the ip hdr. Signed-off-by: Ronak Doshi <doshir@vmware.com> Acked-by: Guolin Yang <gyang@vmware.com> Acked-by: Louis Luo <llouis@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19llc: hold llc_sap before release_sock()Cong Wang1-0/+7
syzbot reported we still access llc->sap in llc_backlog_rcv() after it is freed in llc_sap_remove_socket(): Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 print_address_description+0x6c/0x20b mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report.c:430 llc_conn_ac_send_sabme_cmd_p_set_x+0x3a8/0x460 net/llc/llc_c_ac.c:785 llc_exec_conn_trans_actions net/llc/llc_conn.c:475 [inline] llc_conn_service net/llc/llc_conn.c:400 [inline] llc_conn_state_process+0x4e1/0x13a0 net/llc/llc_conn.c:75 llc_backlog_rcv+0x195/0x1e0 net/llc/llc_conn.c:891 sk_backlog_rcv include/net/sock.h:909 [inline] __release_sock+0x12f/0x3a0 net/core/sock.c:2335 release_sock+0xa4/0x2b0 net/core/sock.c:2850 llc_ui_release+0xc8/0x220 net/llc/af_llc.c:204 llc->sap is refcount'ed and llc_sap_remove_socket() is paired with llc_sap_add_socket(). This can be amended by holding its refcount before llc_sap_remove_socket() and releasing it after release_sock(). Reported-by: <syzbot+6e181fc95081c2cf9051@syzkaller.appspotmail.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19MAINTAINERS: Direct networking documentation changes to netdevJonathan Corbet1-0/+1
Networking docs changes go through the networking tree, so patch the MAINTAINERS file to direct authors to the right place. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit"Colin Ian King1-2/+2
Trivial fix to spelling mistake in message text. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19net: qmi_wwan: add Wistron Neweb D19Q1Pawel Dembicki1-0/+1
This modem is embedded on dlink dwr-960 router. The oem configuration states: T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1435 ProdID=d191 Rev=ff.ff S: Manufacturer=Android S: Product=Android S: SerialNumber=0123456789ABCDEF C:* #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none) E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan E: Ad=88(I) Atr=03(Int.) MxPS= 8 Ivl=32ms E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=(none) E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=125us Tested on openwrt distribution Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN"Colin Ian King1-1/+1
Trivial fix to spelling mistake Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19net: stmmac: Disable ACS Feature for GMAC >= 4Jose Abreu3-9/+7
ACS Feature is currently enabled for GMAC >= 4 but the llc_snap status is never checked in descriptor rx_status callback. This will cause stmmac to always strip packets even that ACS feature is already stripping them. Lets be safe and disable the ACS feature for GMAC >= 4 and always strip the packets for this GMAC version. Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") Signed-off-by: Jose Abreu <joabreu@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Joao Pinto <jpinto@synopsys.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19net: mvpp2: Fix DMA address mask sizeMaxime Chevallier1-5/+7
PPv2 TX/RX descriptors uses 40bits DMA addresses, but 41 bits masks were used (GENMASK_ULL(40, 0)). This commit fixes that by using the correct mask. Fixes: e7c5359f2eed ("net: mvpp2: introduce PPv2.2 HW descriptors and adapt accessors") Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19net: change the comment of dev_mc_initsunlianwen1-1/+1
The comment of dev_mc_init() is wrong. which use dev_mc_flush instead of dev_mc_init. Signed-off-by: Lianwen Sun <sunlw.fnst@cn.fujitsu.com Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19ALSA: rawmidi: Fix missing input substream checks in compat ioctlsTakashi Iwai1-6/+12
Some rawmidi compat ioctls lack of the input substream checks (although they do check only for rfile->output). This many eventually lead to an Oops as NULL substream is passed to the rawmidi core functions. Fix it by adding the proper checks before each function call. The bug was spotted by syzkaller. Reported-by: syzbot+f7a0348affc3b67bc617@syzkaller.appspotmail.com Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-19coresight: Move to SPDX identifierMathieu Poirier9-88/+9
Move CoreSight headers to the SPDX identifier. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1524089118-27595-1-git-send-email-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-04-19drm/amd/powerplay: header file interface to SMU updateKenneth Feng1-1/+3
update vega12 smu interface. Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-04-19drm/amd/pp: Fix bug voltage can't be OD separately on VIRex Zhu1-6/+10
Make sure to update the MCLK and SCLK flags when setting the VDDC flags due to dependencies. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-04-19drm/amd/display: Don't program bypass on linear regamma LUTHarry Wentland1-7/+0
Even though this is required for degamma since DCE HW only supports a couple predefined LUTs we can just program the LUT directly for regamma. This fixes dark screens which occurs when we program regamma to bypass while degamma is using srgb LUT. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Leo Li <sunpeng.li@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-04-19mmc: renesas_sdhi_internal_dmac: limit DMA RX for old SoCsWolfram Sang1-6/+33
Early revisions of certain SoCs cannot do multiple DMA RX streams in parallel. To avoid data corruption, only allow one DMA RX channel and fall back to PIO, if needed. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Nguyen Viet Dung <dung.nguyen.aj@renesas.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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