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2020-06-21Merge tag 'powerpc-5.8-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - One fix for the interrupt rework we did last release which broke KVM-PR - Three commits fixing some fallout from the READ_ONCE() changes interacting badly with our 8xx 16K pages support, which uses a pte_t that is a structure of 4 actual PTEs - A cleanup of the 8xx pte_update() to use the newly added pmd_off() - A fix for a crash when handling an oops if CONFIG_DEBUG_VIRTUAL is enabled - A minor fix for the SPU syscall generation Thanks to Aneesh Kumar K.V, Christian Zigotzky, Christophe Leroy, Mike Rapoport, Nicholas Piggin. * tag 'powerpc-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/8xx: Provide ptep_get() with 16k pages mm: Allow arches to provide ptep_get() mm/gup: Use huge_ptep_get() in gup_hugepte() powerpc/syscalls: Use the number when building SPU syscall table powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() powerpc/64s: Fix KVM interrupt using wrong save area powerpc: Fix kernel crash in show_instructions() w/DEBUG_VIRTUAL
2020-06-21Merge branch 'linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: - NULL dereference in octeontx - PM reference imbalance in ks-sa - deadlock in crypto manager - memory leak in drbg - missing socket limit check on receive SG list size in algif_skcipher - typos in caam - warnings in ccp and hisilicon * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: drbg - always try to free Jitter RNG instance crypto: marvell/octeontx - Fix a potential NULL dereference crypto: algboss - don't wait during notifier callback crypto: caam - fix typos crypto: ccp - Fix sparse warnings in sev-dev crypto: hisilicon - Cap block size at 2^31 crypto: algif_skcipher - Cap recv SG list at ctx->used hwrng: ks-sa - Fix runtime PM imbalance on error
2020-06-20Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "One minor fix and two patches reworking the ata dma drain for the !CONFIG_LIBATA case. The latter is a 5.7 regression fix" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: Wire up ata_scsi_dma_need_drain for SAS HBA drivers scsi: libata: Provide an ata_scsi_dma_need_drain stub for !CONFIG_ATA scsi: ufs-bsg: Fix runtime PM imbalance on error
2020-06-20Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: - a small collection of remaining API conversion patches (all acked) which allow to finally remove the deprecated API - some documentation fixes and a MAINTAINERS addition * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: MAINTAINERS: Add robert and myself as qcom i2c cci maintainers i2c: smbus: Fix spelling mistake in the comments Documentation/i2c: SMBus start signal is S not A i2c: remove deprecated i2c_new_device API Documentation: media: convert to use i2c_new_client_device() video: backlight: tosa_lcd: convert to use i2c_new_client_device() x86/platform/intel-mid: convert to use i2c_new_client_device() drm: encoder_slave: use new I2C API drm: encoder_slave: fix refcouting error for modules
2020-06-20Merge tag 'trace-v5.8-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: - Have recordmcount work with > 64K sections (to support LTO) - kprobe RCU fixes - Correct a kprobe critical section with missing mutex - Remove redundant arch_disarm_kprobe() call - Fix lockup when kretprobe triggers within kprobe_flush_task() - Fix memory leak in fetch_op_data operations - Fix sleep in atomic in ftrace trace array sample code - Free up memory on failure in sample trace array code - Fix incorrect reporting of function_graph fields in format file - Fix quote within quote parsing in bootconfig - Fix return value of bootconfig tool - Add testcases for bootconfig tool - Fix maybe uninitialized warning in ftrace pid file code - Remove unused variable in tracing_iter_reset() - Fix some typos * tag 'trace-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace: Fix maybe-uninitialized compiler warning tools/bootconfig: Add testcase for show-command and quotes test tools/bootconfig: Fix to return 0 if succeeded to show the bootconfig tools/bootconfig: Fix to use correct quotes for value proc/bootconfig: Fix to use correct quotes for value tracing: Remove unused event variable in tracing_iter_reset tracing/probe: Fix memleak in fetch_op_data operations trace: Fix typo in allocate_ftrace_ops()'s comment tracing: Make ftrace packed events have align of 1 sample-trace-array: Remove trace_array 'sample-instance' sample-trace-array: Fix sleeping function called from invalid context kretprobe: Prevent triggering kretprobe from within kprobe_flush_task kprobes: Remove redundant arch_disarm_kprobe() call kprobes: Fix to protect kick_kprobe_optimizer() by kprobe_mutex kprobes: Use non RCU traversal APIs on kprobe_tables if possible kprobes: Suppress the suspicious RCU warning on kprobes recordmcount: support >64k sections
2020-06-20Merge tag 'libnvdimm-for-5.8-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updates from Dan Williams: "A feature (papr_scm health retrieval) and a fix (sysfs attribute visibility) for v5.8. Vaibhav explains in the merge commit below why missing v5.8 would be painful and I agreed to try a -rc2 pull because only cosmetics kept this out of -rc1 and his initial versions were posted in more than enough time for v5.8 consideration: 'These patches are tied to specific features that were committed to customers in upcoming distros releases (RHEL and SLES) whose time-lines are tied to 5.8 kernel release. Being able to track the health of an nvdimm is critical for our customers that are running workloads leveraging papr-scm nvdimms. Missing the 5.8 kernel would mean missing the distro timelines and shifting forward the availability of this feature in distro kernels by at least 6 months' Summary: - Fix the visibility of the region 'align' attribute. The new unit tests for region alignment handling caught a corner case where the alignment cannot be specified if the region is converted from static to dynamic provisioning at runtime. - Add support for device health retrieval for the persistent memory supported by the papr_scm driver. This includes both the standard sysfs "health flags" that the nfit persistent memory driver publishes and a mechanism for the ndctl tool to retrieve a health-command payload" * tag 'libnvdimm-for-5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: nvdimm/region: always show the 'align' attribute powerpc/papr_scm: Implement support for PAPR_PDSM_HEALTH ndctl/papr_scm,uapi: Add support for PAPR nvdimm specific methods powerpc/papr_scm: Improve error logging and handling papr_scm_ndctl() powerpc/papr_scm: Fetch nvdimm health information from PHYP seq_buf: Export seq_buf_printf powerpc: Document details on H_SCM_HEALTH hcall
2020-06-20mm: Allow arches to provide ptep_get()Christophe Leroy
Since commit 9e343b467c70 ("READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses") it is not possible anymore to use READ_ONCE() to access complex page table entries like the one defined for powerpc 8xx with 16k size pages. Define a ptep_get() helper that architectures can override instead of performing a READ_ONCE() on the page table entry pointer. Fixes: 9e343b467c70 ("READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Will Deacon <will@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/087fa12b6e920e32315136b998aa834f99242695.1592225558.git.christophe.leroy@csgroup.eu
2020-06-19Merge tag 'block-5.8-2020-06-19' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: - Use import_uuid() where appropriate (Andy) - bcache fixes (Coly, Mauricio, Zhiqiang) - blktrace sparse warnings fix (Jan) - blktrace concurrent setup fix (Luis) - blkdev_get use-after-free fix (Jason) - Ensure all blk-mq maps are updated (Weiping) - Loop invalidate bdev fix (Zheng) * tag 'block-5.8-2020-06-19' of git://git.kernel.dk/linux-block: block: make function 'kill_bdev' static loop: replace kill_bdev with invalidate_bdev partitions/ldm: Replace uuid_copy() with import_uuid() where it makes sense block: update hctx map when use multiple maps blktrace: Avoid sparse warnings when assigning q->blk_trace blktrace: break out of blktrace setup on concurrent calls block: Fix use-after-free in blkdev_get() trace/events/block.h: drop kernel-doc for dropped function parameter blk-mq: Remove redundant 'return' statement bcache: pr_info() format clean up in bcache_device_init() bcache: use delayed kworker fo asynchronous devices registration bcache: check and adjust logical block size for backing devices bcache: fix potential deadlock problem in btree_gc_coalesce
2020-06-19Merge tag 'libata-5.8-2020-06-19' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull libata fixes from Jens Axboe: "A few minor changes that should go into this release" * tag 'libata-5.8-2020-06-19' of git://git.kernel.dk/linux-block: libata: Use per port sync for detach ata/libata: Fix usage of page address by page_address in ata_scsi_mode_select_xlat function sata_rcar: handle pm_runtime_get_sync failure cases
2020-06-19Merge tag 'ceph-for-5.8-rc2' of git://github.com/ceph/ceph-clientLinus Torvalds
Pull ceph fixes from Ilya Dryomov: "An important follow-up for replica reads support that went into -rc1 and two target_copy() fixups" * tag 'ceph-for-5.8-rc2' of git://github.com/ceph/ceph-client: libceph: don't omit used_replica in target_copy() libceph: don't omit recovery_deletes in target_copy() libceph: move away from global osd_req_flags
2020-06-19Merge tag 'overflow-v5.8-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull flex-array size helper from Kees Cook: "During the treewide clean-ups of zero-length "flexible arrays", the struct_size() helper was heavily used, but it was noticed that many times it would have been nice to have an additional helper to get the size of just the flexible array itself. This need appears to be even more common when cleaning up the 1-byte array "flexible arrays", so Gustavo implemented it. I'd love to get this landed early so it can be used during the v5.9 dev cycle to ease the 1-byte array cleanups." * tag 'overflow-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: overflow.h: Add flex_array_size() helper
2020-06-19i2c: remove deprecated i2c_new_device APIWolfram Sang
All in-tree users have been converted to the new i2c_new_client_device function, so remove this deprecated one. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-06-18Merge branch 'hch' (maccess patches from Christoph Hellwig)Linus Torvalds
Merge non-faulting memory access cleanups from Christoph Hellwig: "Andrew and I decided to drop the patches implementing your suggested rename of the probe_kernel_* and probe_user_* helpers from -mm as there were way to many conflicts. After -rc1 might be a good time for this as all the conflicts are resolved now" This also adds a type safety checking patch on top of the renaming series to make the subtle behavioral difference between 'get_user()' and 'get_kernel_nofault()' less potentially dangerous and surprising. * emailed patches from Christoph Hellwig <hch@lst.de>: maccess: make get_kernel_nofault() check for minimal type compatibility maccess: rename probe_kernel_address to get_kernel_nofault maccess: rename probe_user_{read,write} to copy_{from,to}_user_nofault maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-18maccess: make get_kernel_nofault() check for minimal type compatibilityLinus Torvalds
Now that we've renamed probe_kernel_address() to get_kernel_nofault() and made it look and behave more in line with get_user(), some of the subtle type behavior differences end up being more obvious and possibly dangerous. When you do get_user(val, user_ptr); the type of the access comes from the "user_ptr" part, and the above basically acts as val = *user_ptr; by design (except, of course, for the fact that the actual dereference is done with a user access). Note how in the above case, the type of the end result comes from the pointer argument, and then the value is cast to the type of 'val' as part of the assignment. So the type of the pointer is ultimately the more important type both for the access itself. But 'get_kernel_nofault()' may now _look_ similar, but it behaves very differently. When you do get_kernel_nofault(val, kernel_ptr); it behaves like val = *(typeof(val) *)kernel_ptr; except, of course, for the fact that the actual dereference is done with exception handling so that a faulting access is suppressed and returned as the error code. But note how different the casting behavior of the two superficially similar accesses are: one does the actual access in the size of the type the pointer points to, while the other does the access in the size of the target, and ignores the pointer type entirely. Actually changing get_kernel_nofault() to act like get_user() is almost certainly the right thing to do eventually, but in the meantime this patch adds logit to at least verify that the pointer type is compatible with the type of the result. In many cases, this involves just casting the pointer to 'void *' to make it obvious that the type of the pointer is not the important part. It's not how 'get_user()' acts, but at least the behavioral difference is now obvious and explicit. Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-18maccess: rename probe_kernel_address to get_kernel_nofaultChristoph Hellwig
Better describe what this helper does, and match the naming of copy_from_kernel_nofault. Also switch the argument order around, so that it acts and looks like get_user(). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-18sparse: use identifiers to define address spacesLuc Van Oostenryck
Currently, address spaces in warnings are displayed as '<asn:X>' with 'X' being the address space's arbitrary number. But since sparse v0.6.0-rc1 (late December 2018), sparse allows you to define the address spaces using an identifier instead of a number. This identifier is then directly used in the warnings. So, use the identifiers '__user', '__iomem', '__percpu' & '__rcu' for the corresponding address spaces. The default address space, __kernel, being not displayed in warnings, stays defined as '0'. With this change, warnings that used to be displayed as: cast removes address space '<asn:1>' of expression ... void [noderef] <asn:2> * will now be displayed as: cast removes address space '__user' of expression ... void [noderef] __iomem * This also moves the __kernel annotation to be the first one, since it is quite different from the others because it's the default one, and so: - it's never displayed - it's normally not needed, nor in type annotations, nor in cast between address spaces. The only time it's needed is when it's combined with a typeof to express "the same type as this one but without the address space" - it can't be defined with a name, '0' must be used. So, it seemed strange to me to have it in the middle of the other ones. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-18block: make function 'kill_bdev' staticZheng Bin
kill_bdev does not have any external user, so make it static. Signed-off-by: Zheng Bin <zhengbin13@huawei.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-06-18libata: Use per port sync for detachKai-Heng Feng
Commit 130f4caf145c ("libata: Ensure ata_port probe has completed before detach") may cause system freeze during suspend. Using async_synchronize_full() in PM callbacks is wrong, since async callbacks that are already scheduled may wait for not-yet-scheduled callbacks, causes a circular dependency. Instead of using big hammer like async_synchronize_full(), use async cookie to make sure port probe are synced, without affecting other scheduled PM callbacks. Fixes: 130f4caf145c ("libata: Ensure ata_port probe has completed before detach") Suggested-by: John Garry <john.garry@huawei.com> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Tested-by: John Garry <john.garry@huawei.com> BugLink: https://bugs.launchpad.net/bugs/1867983 Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-06-17maccess: rename probe_user_{read,write} to copy_{from,to}_user_nofaultChristoph Hellwig
Better describe what these functions do. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-17maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofaultChristoph Hellwig
Better describe what these functions do. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-16overflow.h: Add flex_array_size() helperGustavo A. R. Silva
Add flex_array_size() helper for the calculation of the size, in bytes, of a flexible array member contained within an enclosing structure. Example of usage: struct something { size_t count; struct foo items[]; }; struct something *instance; instance = kmalloc(struct_size(instance, items, count), GFP_KERNEL); instance->count = count; memcpy(instance->items, src, flex_array_size(instance, items, instance->count)); The helper returns SIZE_MAX on overflow instead of wrapping around. Additionally replaces parameter "n" with "count" in struct_size() helper for greater clarity and unification. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Link: https://lore.kernel.org/r/20200609012233.GA3371@embeddedor Signed-off-by: Kees Cook <keescook@chromium.org>
2020-06-16kretprobe: Prevent triggering kretprobe from within kprobe_flush_taskJiri Olsa
Ziqian reported lockup when adding retprobe on _raw_spin_lock_irqsave. My test was also able to trigger lockdep output: ============================================ WARNING: possible recursive locking detected 5.6.0-rc6+ #6 Not tainted -------------------------------------------- sched-messaging/2767 is trying to acquire lock: ffffffff9a492798 (&(kretprobe_table_locks[i].lock)){-.-.}, at: kretprobe_hash_lock+0x52/0xa0 but task is already holding lock: ffffffff9a491a18 (&(kretprobe_table_locks[i].lock)){-.-.}, at: kretprobe_trampoline+0x0/0x50 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(kretprobe_table_locks[i].lock)); lock(&(kretprobe_table_locks[i].lock)); *** DEADLOCK *** May be due to missing lock nesting notation 1 lock held by sched-messaging/2767: #0: ffffffff9a491a18 (&(kretprobe_table_locks[i].lock)){-.-.}, at: kretprobe_trampoline+0x0/0x50 stack backtrace: CPU: 3 PID: 2767 Comm: sched-messaging Not tainted 5.6.0-rc6+ #6 Call Trace: dump_stack+0x96/0xe0 __lock_acquire.cold.57+0x173/0x2b7 ? native_queued_spin_lock_slowpath+0x42b/0x9e0 ? lockdep_hardirqs_on+0x590/0x590 ? __lock_acquire+0xf63/0x4030 lock_acquire+0x15a/0x3d0 ? kretprobe_hash_lock+0x52/0xa0 _raw_spin_lock_irqsave+0x36/0x70 ? kretprobe_hash_lock+0x52/0xa0 kretprobe_hash_lock+0x52/0xa0 trampoline_handler+0xf8/0x940 ? kprobe_fault_handler+0x380/0x380 ? find_held_lock+0x3a/0x1c0 kretprobe_trampoline+0x25/0x50 ? lock_acquired+0x392/0xbc0 ? _raw_spin_lock_irqsave+0x50/0x70 ? __get_valid_kprobe+0x1f0/0x1f0 ? _raw_spin_unlock_irqrestore+0x3b/0x40 ? finish_task_switch+0x4b9/0x6d0 ? __switch_to_asm+0x34/0x70 ? __switch_to_asm+0x40/0x70 The code within the kretprobe handler checks for probe reentrancy, so we won't trigger any _raw_spin_lock_irqsave probe in there. The problem is in outside kprobe_flush_task, where we call: kprobe_flush_task kretprobe_table_lock raw_spin_lock_irqsave _raw_spin_lock_irqsave where _raw_spin_lock_irqsave triggers the kretprobe and installs kretprobe_trampoline handler on _raw_spin_lock_irqsave return. The kretprobe_trampoline handler is then executed with already locked kretprobe_table_locks, and first thing it does is to lock kretprobe_table_locks ;-) the whole lockup path like: kprobe_flush_task kretprobe_table_lock raw_spin_lock_irqsave _raw_spin_lock_irqsave ---> probe triggered, kretprobe_trampoline installed ---> kretprobe_table_locks locked kretprobe_trampoline trampoline_handler kretprobe_hash_lock(current, &head, &flags); <--- deadlock Adding kprobe_busy_begin/end helpers that mark code with fake probe installed to prevent triggering of another kprobe within this code. Using these helpers in kprobe_flush_task, so the probe recursion protection check is hit and the probe is never set to prevent above lockup. Link: http://lkml.kernel.org/r/158927059835.27680.7011202830041561604.stgit@devnote2 Fixes: ef53d9c5e4da ("kprobes: improve kretprobe scalability with hashed locking") Cc: Ingo Molnar <mingo@kernel.org> Cc: "Gustavo A . R . Silva" <gustavoars@kernel.org> Cc: Anders Roxell <anders.roxell@linaro.org> Cc: "Naveen N . Rao" <naveen.n.rao@linux.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David Miller <davem@davemloft.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: stable@vger.kernel.org Reported-by: "Ziqian SUN (Zamir)" <zsun@redhat.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-06-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Don't get per-cpu pointer with preemption enabled in nft_set_pipapo, fix from Stefano Brivio. 2) Fix memory leak in ctnetlink, from Pablo Neira Ayuso. 3) Multiple definitions of MPTCP_PM_MAX_ADDR, from Geliang Tang. 4) Accidently disabling NAPI in non-error paths of macb_open(), from Charles Keepax. 5) Fix races between alx_stop and alx_remove, from Zekun Shen. 6) We forget to re-enable SRIOV during resume in bnxt_en driver, from Michael Chan. 7) Fix memory leak in ipv6_mc_destroy_dev(), from Wang Hai. 8) rxtx stats use wrong index in mvpp2 driver, from Sven Auhagen. 9) Fix memory leak in mptcp_subflow_create_socket error path, from Wei Yongjun. 10) We should not adjust the TCP window advertised when sending dup acks in non-SACK mode, because it won't be counted as a dup by the sender if the window size changes. From Eric Dumazet. 11) Destroy the right number of queues during remove in mvpp2 driver, from Sven Auhagen. 12) Various WOL and PM fixes to e1000 driver, from Chen Yu, Vaibhav Gupta, and Arnd Bergmann. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (35 commits) e1000e: fix unused-function warning e1000: use generic power management e1000e: Do not wake up the system via WOL if device wakeup is disabled lan743x: add MODULE_DEVICE_TABLE for module loading alias mlxsw: spectrum: Adjust headroom buffers for 8x ports bareudp: Fixed configuration to avoid having garbage values mvpp2: remove module bugfix tcp: grow window for OOO packets only for SACK flows mptcp: fix memory leak in mptcp_subflow_create_socket() netfilter: flowtable: Make nf_flow_table_offload_add/del_cb inline net/sched: act_ct: Make tcf_ct_flow_table_restore_skb inline net: dsa: sja1105: fix PTP timestamping with large tc-taprio cycles mvpp2: ethtool rxtx stats fix MAINTAINERS: switch to my private email for Renesas Ethernet drivers rocker: fix incorrect error handling in dma_rings_init test_objagg: Fix potential memory leak in error handling net: ethernet: mtk-star-emac: simplify interrupt handling mld: fix memory leak in ipv6_mc_destroy_dev() bnxt_en: Return from timer if interface is not in open state. bnxt_en: Fix AER reset logic on 57500 chips. ...
2020-06-16Merge tag 'flex-array-conversions-5.8-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull flexible-array member conversions from Gustavo A. R. Silva: "Replace zero-length arrays with flexible-array members. Notice that all of these patches have been baking in linux-next for two development cycles now. There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. C99 introduced “flexible array members”, which lacks a numeric size for the array declaration entirely: struct something { size_t count; struct foo items[]; }; This is the way the kernel expects dynamically sized trailing elements to be declared. It allows the compiler to generate errors when the flexible array does not occur last in the structure, which helps to prevent some kind of undefined behavior[3] bugs from being inadvertently introduced to the codebase. It also allows the compiler to correctly analyze array sizes (via sizeof(), CONFIG_FORTIFY_SOURCE, and CONFIG_UBSAN_BOUNDS). For instance, there is no mechanism that warns us that the following application of the sizeof() operator to a zero-length array always results in zero: struct something { size_t count; struct foo items[0]; }; struct something *instance; instance = kmalloc(struct_size(instance, items, count), GFP_KERNEL); instance->count = count; size = sizeof(instance->items) * instance->count; memcpy(instance->items, source, size); At the last line of code above, size turns out to be zero, when one might have thought it represents the total size in bytes of the dynamic memory recently allocated for the trailing array items. Here are a couple examples of this issue[4][5]. Instead, flexible array members have incomplete type, and so the sizeof() operator may not be applied[6], so any misuse of such operators will be immediately noticed at build time. The cleanest and least error-prone way to implement this is through the use of a flexible array member: struct something { size_t count; struct foo items[]; }; struct something *instance; instance = kmalloc(struct_size(instance, items, count), GFP_KERNEL); instance->count = count; size = sizeof(instance->items[0]) * instance->count; memcpy(instance->items, source, size); instead" [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") [4] commit f2cd32a443da ("rndis_wlan: Remove logically dead code") [5] commit ab91c2a89f86 ("tpm: eventlog: Replace zero-length array with flexible-array member") [6] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html * tag 'flex-array-conversions-5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: (41 commits) w1: Replace zero-length array with flexible-array tracing/probe: Replace zero-length array with flexible-array soc: ti: Replace zero-length array with flexible-array tifm: Replace zero-length array with flexible-array dmaengine: tegra-apb: Replace zero-length array with flexible-array stm class: Replace zero-length array with flexible-array Squashfs: Replace zero-length array with flexible-array ASoC: SOF: Replace zero-length array with flexible-array ima: Replace zero-length array with flexible-array sctp: Replace zero-length array with flexible-array phy: samsung: Replace zero-length array with flexible-array RxRPC: Replace zero-length array with flexible-array rapidio: Replace zero-length array with flexible-array media: pwc: Replace zero-length array with flexible-array firmware: pcdp: Replace zero-length array with flexible-array oprofile: Replace zero-length array with flexible-array block: Replace zero-length array with flexible-array tools/testing/nvdimm: Replace zero-length array with flexible-array libata: Replace zero-length array with flexible-array kprobes: Replace zero-length array with flexible-array ...
2020-06-16libceph: move away from global osd_req_flagsIlya Dryomov
osd_req_flags is overly general and doesn't suit its only user (read_from_replica option) well: - applying osd_req_flags in account_request() affects all OSD requests, including linger (i.e. watch and notify). However, linger requests should always go to the primary even though some of them are reads (e.g. notify has side effects but it is a read because it doesn't result in mutation on the OSDs). - calls to class methods that are reads are allowed to go to the replica, but most such calls issued for "rbd map" and/or exclusive lock transitions are requested to be resent to the primary via EAGAIN, doubling the latency. Get rid of global osd_req_flags and set read_from_replica flag only on specific OSD requests instead. Fixes: 8ad44d5e0d1e ("libceph: read_from_replica option") Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org>
2020-06-15tifm: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15sctp: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15RxRPC: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15libata: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15kprobes: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15keys: encrypted-type: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15kexec: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15KVM: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15FS-Cache: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15cb710: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15drm/edid: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15can: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15dmaengine: Replace zero-length array with flexible-arrayGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://github.com/KSPP/linux/issues/21 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-15scsi: libata: Provide an ata_scsi_dma_need_drain stub for !CONFIG_ATAChristoph Hellwig
SAS drivers can be compiled with ata support disabled. Provide a stub so that the drivers don't have to ifdef around wiring up ata_scsi_dma_need_drain. Link: https://lore.kernel.org/r/20200615064624.37317-2-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-06-15ndctl/papr_scm,uapi: Add support for PAPR nvdimm specific methodsVaibhav Jain
Introduce support for PAPR NVDIMM Specific Methods (PDSM) in papr_scm module and add the command family NVDIMM_FAMILY_PAPR to the white list of NVDIMM command sets. Also advertise support for ND_CMD_CALL for the nvdimm command mask and implement necessary scaffolding in the module to handle ND_CMD_CALL ioctl and PDSM requests that we receive. The layout of the PDSM request as we expect from libnvdimm/libndctl is described in newly introduced uapi header 'papr_pdsm.h' which defines a 'struct nd_pkg_pdsm' and a maximal union named 'nd_pdsm_payload'. These new structs together with 'struct nd_cmd_pkg' for a pdsm envelop thats sent by libndctl to libnvdimm and serviced by papr_scm in 'papr_scm_service_pdsm()'. The PDSM request is communicated by member 'struct nd_cmd_pkg.nd_command' together with other information on the pdsm payload (size-in, size-out). The patch also introduces 'struct pdsm_cmd_desc' instances of which are stored in an array __pdsm_cmd_descriptors[] indexed with PDSM cmd and corresponding access function pdsm_cmd_desc() is introduced. 'struct pdsm_cdm_desc' holds the service function for a given PDSM and corresponding payload in/out sizes. A new function papr_scm_service_pdsm() is introduced and is called from papr_scm_ndctl() in case of a PDSM request is received via ND_CMD_CALL command from libnvdimm. The function performs validation on the PDSM payload based on info present in corresponding PDSM descriptor and if valid calls the 'struct pdcm_cmd_desc.service' function to service the PDSM. Signed-off-by: Vaibhav Jain <vaibhav@linux.ibm.com> Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/20200615124407.32596-6-vaibhav@linux.ibm.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-06-15netfilter: flowtable: Make nf_flow_table_offload_add/del_cb inlineAlaa Hleihel
Currently, nf_flow_table_offload_add/del_cb are exported by nf_flow_table module, therefore modules using them will have hard-dependency on nf_flow_table and will require loading it all the time. This can lead to an unnecessary overhead on systems that do not use this API. To relax the hard-dependency between the modules, we unexport these functions and make them static inline. Fixes: 978703f42549 ("netfilter: flowtable: Add API for registering to flow table events") Signed-off-by: Alaa Hleihel <alaa@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-15net/sched: act_ct: Make tcf_ct_flow_table_restore_skb inlineAlaa Hleihel
Currently, tcf_ct_flow_table_restore_skb is exported by act_ct module, therefore modules using it will have hard-dependency on act_ct and will require loading it all the time. This can lead to an unnecessary overhead on systems that do not use hardware connection tracking action (ct_metadata action) in the first place. To relax the hard-dependency between the modules, we unexport this function and make it a static inline one. Fixes: 30b0cf90c6dd ("net/sched: act_ct: Support restoring conntrack info on skbs") Signed-off-by: Alaa Hleihel <alaa@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-15trace/events/block.h: drop kernel-doc for dropped function parameterRandy Dunlap
Fix kernel-doc warning: the parameter was removed, so also remove the kernel-doc notation for it. ../include/trace/events/block.h:278: warning: Excess function parameter 'error' description in 'trace_block_bio_complete' Fixes: d24de76af836 ("block: remove the error argument to the block_bio_complete tracepoint") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-06-15Merge tag 'ext4-for-linus-5.8-rc1-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull more ext4 updates from Ted Ts'o: "This is the second round of ext4 commits for 5.8 merge window [1]. It includes the per-inode DAX support, which was dependant on the DAX infrastructure which came in via the XFS tree, and a number of regression and bug fixes; most notably the "BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks" reported by syzkaller" [1] The pull request actually came in 15 minutes after I had tagged the rc1 release. Tssk, tssk, late.. - Linus * tag 'ext4-for-linus-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4, jbd2: ensure panic by fix a race between jbd2 abort and ext4 error handlers ext4: support xattr gnu.* namespace for the Hurd ext4: mballoc: Use this_cpu_read instead of this_cpu_ptr ext4: avoid utf8_strncasecmp() with unstable name ext4: stop overwrite the errcode in ext4_setup_super ext4: fix partial cluster initialization when splitting extent ext4: avoid race conditions when remounting with options that change dax Documentation/dax: Update DAX enablement for ext4 fs/ext4: Introduce DAX inode flag fs/ext4: Remove jflag variable fs/ext4: Make DAX mount option a tri-state fs/ext4: Only change S_DAX on inode load fs/ext4: Update ext4_should_use_dax() fs/ext4: Change EXT4_MOUNT_DAX to EXT4_MOUNT_DAX_ALWAYS fs/ext4: Disallow verity if inode is DAX fs/ext4: Narrow scope of DAX check in setflags
2020-06-15crypto: ccp - Fix sparse warnings in sev-devHerbert Xu
This patch fixes a bunch of sparse warnings in sev-dev where the __user marking is incorrectly handled. Reported-by: kbuild test robot <lkp@intel.com> Fixes: 7360e4b14350 ("crypto: ccp: Implement SEV_PEK_CERT_IMPORT...") Fixes: e799035609e1 ("crypto: ccp: Implement SEV_PEK_CSR ioctl...") Fixes: 76a2b524a4b1 ("crypto: ccp: Implement SEV_PDH_CERT_EXPORT...") Fixes: d6112ea0cb34 ("crypto: ccp - introduce SEV_GET_ID2 command") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-06-14Merge tag 'LSM-add-setgid-hook-5.8-author-fix' of ↵Linus Torvalds
git://github.com/micah-morton/linux Pull SafeSetID update from Micah Morton: "Add additional LSM hooks for SafeSetID SafeSetID is capable of making allow/deny decisions for set*uid calls on a system, and we want to add similar functionality for set*gid calls. The work to do that is not yet complete, so probably won't make it in for v5.8, but we are looking to get this simple patch in for v5.8 since we have it ready. We are planning on the rest of the work for extending the SafeSetID LSM being merged during the v5.9 merge window" * tag 'LSM-add-setgid-hook-5.8-author-fix' of git://github.com/micah-morton/linux: security: Add LSM hooks to set*gid syscalls
2020-06-14security: Add LSM hooks to set*gid syscallsThomas Cedeno
The SafeSetID LSM uses the security_task_fix_setuid hook to filter set*uid() syscalls according to its configured security policy. In preparation for adding analagous support in the LSM for set*gid() syscalls, we add the requisite hook here. Tested by putting print statements in the security_task_fix_setgid hook and seeing them get hit during kernel boot. Signed-off-by: Thomas Cedeno <thomascedeno@google.com> Signed-off-by: Micah Morton <mortonm@chromium.org>
2020-06-14Merge tag 'for-5.8-part2-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs updates from David Sterba: "This reverts the direct io port to iomap infrastructure of btrfs merged in the first pull request. We found problems in invalidate page that don't seem to be fixable as regressions or without changing iomap code that would not affect other filesystems. There are four reverts in total, but three of them are followup cleanups needed to revert a43a67a2d715 cleanly. The result is the buffer head based implementation of direct io. Reverts are not great, but under current circumstances I don't see better options" * tag 'for-5.8-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Revert "btrfs: switch to iomap_dio_rw() for dio" Revert "fs: remove dio_end_io()" Revert "btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK" Revert "btrfs: split btrfs_direct_IO to read and write part"
2020-06-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix cfg80211 deadlock, from Johannes Berg. 2) RXRPC fails to send norigications, from David Howells. 3) MPTCP RM_ADDR parsing has an off by one pointer error, fix from Geliang Tang. 4) Fix crash when using MSG_PEEK with sockmap, from Anny Hu. 5) The ucc_geth driver needs __netdev_watchdog_up exported, from Valentin Longchamp. 6) Fix hashtable memory leak in dccp, from Wang Hai. 7) Fix how nexthops are marked as FDB nexthops, from David Ahern. 8) Fix mptcp races between shutdown and recvmsg, from Paolo Abeni. 9) Fix crashes in tipc_disc_rcv(), from Tuong Lien. 10) Fix link speed reporting in iavf driver, from Brett Creeley. 11) When a channel is used for XSK and then reused again later for XSK, we forget to clear out the relevant data structures in mlx5 which causes all kinds of problems. Fix from Maxim Mikityanskiy. 12) Fix memory leak in genetlink, from Cong Wang. 13) Disallow sockmap attachments to UDP sockets, it simply won't work. From Lorenz Bauer. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits) net: ethernet: ti: ale: fix allmulti for nu type ale net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init net: atm: Remove the error message according to the atomic context bpf: Undo internal BPF_PROBE_MEM in BPF insns dump libbpf: Support pre-initializing .bss global variables tools/bpftool: Fix skeleton codegen bpf: Fix memlock accounting for sock_hash bpf: sockmap: Don't attach programs to UDP sockets bpf: tcp: Recv() should return 0 when the peer socket is closed ibmvnic: Flush existing work items before device removal genetlink: clean up family attributes allocations net: ipa: header pad field only valid for AP->modem endpoint net: ipa: program upper nibbles of sequencer type net: ipa: fix modem LAN RX endpoint id net: ipa: program metadata mask differently ionic: add pcie_print_link_status rxrpc: Fix race between incoming ACK parser and retransmitter net/mlx5: E-Switch, Fix some error pointer dereferences net/mlx5: Don't fail driver on failure to create debugfs net/mlx5e: CT: Fix ipv6 nat header rewrite actions ...
2020-06-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller
Alexei Starovoitov says: ==================== pull-request: bpf 2020-06-12 The following pull-request contains BPF updates for your *net* tree. We've added 26 non-merge commits during the last 10 day(s) which contain a total of 27 files changed, 348 insertions(+), 93 deletions(-). The main changes are: 1) sock_hash accounting fix, from Andrey. 2) libbpf fix and probe_mem sanitizing, from Andrii. 3) sock_hash fixes, from Jakub. 4) devmap_val fix, from Jesper. 5) load_bytes_relative fix, from YiFei. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>