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2022-04-29selftests/seccomp: Don't call read() on TTY from background pgrpJann Horn1-5/+5
Since commit 92d25637a3a4 ("kselftest: signal all child processes"), tests are executed in background process groups. This means that trying to read from stdin now throws SIGTTIN when stdin is a TTY, which breaks some seccomp selftests that try to use read(0, NULL, 0) as a dummy syscall. The simplest way to fix that is probably to just use -1 instead of 0 as the dummy read()'s FD. Fixes: 92d25637a3a4 ("kselftest: signal all child processes") Signed-off-by: Jann Horn <[email protected]> Signed-off-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2022-04-29Merge tag 'riscv-for-linus-5.18-rc5' of ↵Linus Torvalds3-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - A fix to properly ensure a single CPU is running during patch_text(). - A defconfig update to include RPMSG_CTRL when RPMSG_CHAR was set, necessary after a recent refactoring. * tag 'riscv-for-linus-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: RISC-V: configs: Configs that had RPMSG_CHAR now get RPMSG_CTRL riscv: patch_text: Fixup last cpu should be master
2022-04-29Merge tag 'arm64-fixes' of ↵Linus Torvalds3-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Will Deacon: "Rename and reallocate the PT_ARM_MEMTAG_MTE ELF segment type. This is a fix to the MTE ELF ABI for a bug that was added during the most recent merge window as part of the coredump support. The issue is that the value assigned to the new PT_ARM_MEMTAG_MTE segment type has already been allocated to PT_AARCH64_UNWIND by the ELF ABI, so we've bumped the value and changed the name of the identifier to be better aligned with the existing one" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: elf: Fix the arm64 MTE ELF segment name and value
2022-04-29Revert "x86/mm: Introduce lookup_address_in_mm()"Sean Christopherson2-15/+0
Drop lookup_address_in_mm() now that KVM is providing it's own variant of lookup_address_in_pgd() that is safe for use with user addresses, e.g. guards against page tables being torn down. A variant that provides a non-init mm is inherently dangerous and flawed, as the only reason to use an mm other than init_mm is to walk a userspace mapping, and lookup_address_in_pgd() does not play nice with userspace mappings, e.g. doesn't disable IRQs to block TLB shootdowns and doesn't use READ_ONCE() to ensure an upper level entry isn't converted to a huge page between checking the PAGE_SIZE bit and grabbing the address of the next level down. This reverts commit 13c72c060f1ba6f4eddd7b1c4f52a8aded43d6d9. Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <YmwIi3bXr/1yhYV/@google.com> Signed-off-by: Paolo Bonzini <[email protected]>
2022-04-29Merge branch 'kvm-fixes-for-5.18-rc5' into HEADPaolo Bonzini10-32/+121
Fixes for (relatively) old bugs, to be merged in both the -rc and next development trees: * Fix potential races when walking host page table * Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT * Fix shadow page table leak when KVM runs nested
2022-04-29KVM: x86/mmu: fix potential races when walking host page tableMingwei Zhang1-5/+42
KVM uses lookup_address_in_mm() to detect the hugepage size that the host uses to map a pfn. The function suffers from several issues: - no usage of READ_ONCE(*). This allows multiple dereference of the same page table entry. The TOCTOU problem because of that may cause KVM to incorrectly treat a newly generated leaf entry as a nonleaf one, and dereference the content by using its pfn value. - the information returned does not match what KVM needs; for non-present entries it returns the level at which the walk was terminated, as long as the entry is not 'none'. KVM needs level information of only 'present' entries, otherwise it may regard a non-present PXE entry as a present large page mapping. - the function is not safe for mappings that can be torn down, because it does not disable IRQs and because it returns a PTE pointer which is never safe to dereference after the function returns. So implement the logic for walking host page tables directly in KVM, and stop using lookup_address_in_mm(). Cc: Sean Christopherson <[email protected]> Cc: Paolo Bonzini <[email protected]> Signed-off-by: Mingwei Zhang <[email protected]> Message-Id: <[email protected]> [Inline in host_pfn_mapping_level, ensure no semantic change for its callers. - Paolo] Signed-off-by: Paolo Bonzini <[email protected]>
2022-04-29KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENTPaolo Bonzini6-11/+34
When KVM_EXIT_SYSTEM_EVENT was introduced, it included a flags member that at the time was unused. Unfortunately this extensibility mechanism has several issues: - x86 is not writing the member, so it would not be possible to use it on x86 except for new events - the member is not aligned to 64 bits, so the definition of the uAPI struct is incorrect for 32- on 64-bit userspace. This is a problem for RISC-V, which supports CONFIG_KVM_COMPAT, but fortunately usage of flags was only introduced in 5.18. Since padding has to be introduced, place a new field in there that tells if the flags field is valid. To allow further extensibility, in fact, change flags to an array of 16 values, and store how many of the values are valid. The availability of the new ndata field is tied to a system capability; all architectures are changed to fill in the field. To avoid breaking compilation of userspace that was using the flags field, provide a userspace-only union to overlap flags with data[0]. The new field is placed at the same offset for both 32- and 64-bit userspace. Cc: Will Deacon <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Peter Gonda <[email protected]> Cc: Sean Christopherson <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Reported-by: kernel test robot <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-04-29KVM: x86/mmu: Do not create SPTEs for GFNs that exceed host.MAXPHYADDRSean Christopherson5-16/+45
Disallow memslots and MMIO SPTEs whose gpa range would exceed the host's MAXPHYADDR, i.e. don't create SPTEs for gfns that exceed host.MAXPHYADDR. The TDP MMU bounds its zapping based on host.MAXPHYADDR, and so if the guest, possibly with help from userspace, manages to coerce KVM into creating a SPTE for an "impossible" gfn, KVM will leak the associated shadow pages (page tables): WARNING: CPU: 10 PID: 1122 at arch/x86/kvm/mmu/tdp_mmu.c:57 kvm_mmu_uninit_tdp_mmu+0x4b/0x60 [kvm] Modules linked in: kvm_intel kvm irqbypass CPU: 10 PID: 1122 Comm: set_memory_regi Tainted: G W 5.18.0-rc1+ #293 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 RIP: 0010:kvm_mmu_uninit_tdp_mmu+0x4b/0x60 [kvm] Call Trace: <TASK> kvm_arch_destroy_vm+0x130/0x1b0 [kvm] kvm_destroy_vm+0x162/0x2d0 [kvm] kvm_vm_release+0x1d/0x30 [kvm] __fput+0x82/0x240 task_work_run+0x5b/0x90 exit_to_user_mode_prepare+0xd2/0xe0 syscall_exit_to_user_mode+0x1d/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xae </TASK> On bare metal, encountering an impossible gpa in the page fault path is well and truly impossible, barring CPU bugs, as the CPU will signal #PF during the gva=>gpa translation (or a similar failure when stuffing a physical address into e.g. the VMCS/VMCB). But if KVM is running as a VM itself, the MAXPHYADDR enumerated to KVM may not be the actual MAXPHYADDR of the underlying hardware, in which case the hardware will not fault on the illegal-from-KVM's-perspective gpa. Alternatively, KVM could continue allowing the dodgy behavior and simply zap the max possible range. But, for hosts with MAXPHYADDR < 52, that's a (minor) waste of cycles, and more importantly, KVM can't reasonably support impossible memslots when running on bare metal (or with an accurate MAXPHYADDR as a VM). Note, limiting the overhead by checking if KVM is running as a guest is not a safe option as the host isn't required to announce itself to the guest in any way, e.g. doesn't need to set the HYPERVISOR CPUID bit. A second alternative to disallowing the memslot behavior would be to disallow creating a VM with guest.MAXPHYADDR > host.MAXPHYADDR. That restriction is undesirable as there are legitimate use cases for doing so, e.g. using the highest host.MAXPHYADDR out of a pool of heterogeneous systems so that VMs can be migrated between hosts with different MAXPHYADDRs without running afoul of the allow_smaller_maxphyaddr mess. Note that any guest.MAXPHYADDR is valid with shadow paging, and it is even useful in order to test KVM with MAXPHYADDR=52 (i.e. without any reserved physical address bits). The now common kvm_mmu_max_gfn() is inclusive instead of exclusive. The memslot and TDP MMU code want an exclusive value, but the name implies the returned value is inclusive, and the MMIO path needs an inclusive check. Fixes: faaf05b00aec ("kvm: x86/mmu: Support zapping SPTEs in the TDP MMU") Fixes: 524a1e4e381f ("KVM: x86/mmu: Don't leak non-leaf SPTEs when zapping all SPTEs") Cc: [email protected] Cc: Maxim Levitsky <[email protected]> Cc: Ben Gardon <[email protected]> Cc: David Matlack <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-04-29Merge tag 'kvmarm-fixes-5.18-2' of ↵Paolo Bonzini5-10/+79
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 5.18, take #2 - Take care of faults occuring between the PARange and IPA range by injecting an exception - Fix S2 faults taken from a host EL0 in protected mode - Work around Oops caused by a PMU access from a 32bit guest when PMU has been created. This is a temporary bodge until we fix it for good.
2022-04-29SUNRPC: Ensure gss-proxy connects on setupTrond Myklebust3-1/+5
For reasons best known to the author, gss-proxy does not implement a NULL procedure, and returns RPC_PROC_UNAVAIL. However we still want to ensure that we connect to the service at setup time. So add a quirk-flag specially for this case. Fixes: 1d658336b05f ("SUNRPC: Add RPC based upcall mechanism for RPCGSS auth") Cc: [email protected] Signed-off-by: Trond Myklebust <[email protected]>
2022-04-29ipmi:ipmi_ipmb: Fix null-ptr-deref in ipmi_unregister_smi()Corey Minyard2-5/+5
KASAN report null-ptr-deref as follows: KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:ipmi_unregister_smi+0x7d/0xd50 drivers/char/ipmi/ipmi_msghandler.c:3680 Call Trace: ipmi_ipmb_remove+0x138/0x1a0 drivers/char/ipmi/ipmi_ipmb.c:443 ipmi_ipmb_probe+0x409/0xda1 drivers/char/ipmi/ipmi_ipmb.c:548 i2c_device_probe+0x959/0xac0 drivers/i2c/i2c-core-base.c:563 really_probe+0x3f3/0xa70 drivers/base/dd.c:541 In ipmi_ipmb_probe(), 'iidev->intf' is not set before ipmi_register_smi() success. And in the error handling case, ipmi_ipmb_remove() is called to release resources, ipmi_unregister_smi() is called without check 'iidev->intf', this will cause KASAN null-ptr-deref issue. General kernel style is to allow NULL to be passed into unregister calls, so fix it that way. This allows a NULL check to be removed in other code. Fixes: 57c9e3c9a374 ("ipmi:ipmi_ipmb: Unregister the SMI on remove") Reported-by: Hulk Robot <[email protected]> Cc: [email protected] # v5.17+ Cc: Wei Yongjun <[email protected]> Signed-off-by: Corey Minyard <[email protected]>
2022-04-29ipmi: When handling send message responses, don't process the messageCorey Minyard1-0/+2
A chunk was dropped when the code handling send messages was rewritten. Those messages shouldn't be processed normally, they are just an indication that the message was successfully sent and the timers should be started for the real response that should be coming later. Add back in the missing chunk to just discard the message and go on. Fixes: 059747c245f0 ("ipmi: Add support for IPMB direct messages") Reported-by: Joe Wiese <[email protected]> Cc: [email protected] # v5.16+ Signed-off-by: Corey Minyard <[email protected]> Tested-by: Joe Wiese <[email protected]>
2022-04-29RISC-V: relocate DTB if it's outside memory regionNick Kossifidis1-2/+19
In case the DTB provided by the bootloader/BootROM is before the kernel image or outside /memory, we won't be able to access it through the linear mapping, and get a segfault on setup_arch(). Currently OpenSBI relocates DTB but that's not always the case (e.g. if FW_JUMP_FDT_ADDR is not specified), and it's also not the most portable approach since the default FW_JUMP_FDT_ADDR of the generic platform relocates the DTB at a specific offset that may not be available. To avoid this situation copy DTB so that it's visible through the linear mapping. Signed-off-by: Nick Kossifidis <[email protected]> Link: https://lore.kernel.org/r/[email protected] Tested-by: Conor Dooley <[email protected]> Fixes: f105aa940e78 ("riscv: add BUILTIN_DTB support for MMU-enabled targets") Cc: [email protected] Signed-off-by: Palmer Dabbelt <[email protected]>
2022-04-29Merge tag 'tegra-for-5.18-arm-defconfig-fixes' of ↵Arnd Bergmann2-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes ARM: tegra: Default configuration fixes for v5.18 This contains two updates to the default configuration needed because of a Kconfig symbol name change. This fixes a failure that was detected in the NVIDIA automated test farm. * tag 'tegra-for-5.18-arm-defconfig-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: ARM: config: multi v7: Enable NVIDIA Tegra video decoder driver ARM: tegra_defconfig: Update CONFIG_TEGRA_VDE option Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnd Bergmann <[email protected]>
2022-04-29io_uring: check that data field is 0 in ringfd unregisterEugene Syromiatnikov1-1/+1
Only allow data field to be 0 in struct io_uring_rsrc_update user arguments to allow for future possible usage. Fixes: e7a6c00dc77a ("io_uring: add support for registering ring file descriptors") Signed-off-by: Eugene Syromiatnikov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
2022-04-29Merge tag 'imx-fixes-5.18-2' of ↵Arnd Bergmann3-2/+6
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes i.MX fixes for 5.18, 2nd round: - Fix one sparse warning on imx-weim driver. - Fix vqmmc regulator to get UHS-I mode work on imx6ull-colibri board. - Add missing 32.768 kHz PMIC clock for imx8mn-ddr4-evk board to fix bd718xx-clk probe error. * tag 'imx-fixes-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: arm64: dts: imx8mn-ddr4-evk: Describe the 32.768 kHz PMIC clock ARM: dts: imx6ull-colibri: fix vqmmc regulator bus: imx-weim: make symbol 'weim_of_notifier' static Link: https://lore.kernel.org/r/20220426013427.GB14615@dragon Signed-off-by: Arnd Bergmann <[email protected]>
2022-04-29Merge tag 'sunxi-fixes-for-5.18-1' of ↵Arnd Bergmann1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes Fix return value in RSB bus driver * tag 'sunxi-fixes-for-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: bus: sunxi-rsb: Fix the return value of sunxi_rsb_device_create() Link: https://lore.kernel.org/r/Ymbkd+/[email protected] Signed-off-by: Arnd Bergmann <[email protected]>
2022-04-29MIPS: Fix CP0 counter erratum detection for R4k CPUsMaciej W. Rozycki2-12/+7
Fix the discrepancy between the two places we check for the CP0 counter erratum in along with the incorrect comparison of the R4400 revision number against 0x30 which matches none and consistently consider all R4000 and R4400 processors affected, as documented in processor errata publications[1][2][3], following the mapping between CP0 PRId register values and processor models: PRId | Processor Model ---------+-------------------- 00000422 | R4000 Revision 2.2 00000430 | R4000 Revision 3.0 00000440 | R4400 Revision 1.0 00000450 | R4400 Revision 2.0 00000460 | R4400 Revision 3.0 No other revision of either processor has ever been spotted. Contrary to what has been stated in commit ce202cbb9e0b ("[MIPS] Assume R4000/R4400 newer than 3.0 don't have the mfc0 count bug") marking the CP0 counter as buggy does not preclude it from being used as either a clock event or a clock source device. It just cannot be used as both at a time, because in that case clock event interrupts will be occasionally lost, and the use as a clock event device takes precedence. Compare against 0x4ff in `can_use_mips_counter' so that a single machine instruction is produced. References: [1] "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", MIPS Technologies Inc., May 10, 1994, Erratum 53, p.13 [2] "MIPS R4400PC/SC Errata, Processor Revision 1.0", MIPS Technologies Inc., February 9, 1994, Erratum 21, p.4 [3] "MIPS R4400PC/SC Errata, Processor Revision 2.0 & 3.0", MIPS Technologies Inc., January 24, 1995, Erratum 14, p.3 Signed-off-by: Maciej W. Rozycki <[email protected]> Fixes: ce202cbb9e0b ("[MIPS] Assume R4000/R4400 newer than 3.0 don't have the mfc0 count bug") Cc: [email protected] # v2.6.24+ Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-04-29bfq: Fix warning in bfqq_request_over_limit()Jan Kara1-3/+9
People are occasionally reporting a warning bfqq_request_over_limit() triggering reporting that BFQ's idea of cgroup hierarchy (and its depth) does not match what generic blkcg code thinks. This can actually happen when bfqq gets moved between BFQ groups while bfqq_request_over_limit() is running. Make sure the code is safe against BFQ queue being moved to a different BFQ group. Fixes: 76f1df88bbc2 ("bfq: Limit number of requests consumed by each cgroup") CC: [email protected] Link: https://lore.kernel.org/all/CAJCQCtTw_2C7ZSz7as5Gvq=OmnDiio=HRkQekqWpKot84sQhFA@mail.gmail.com/ Reported-by: Chris Murphy <[email protected]> Reported-by: "yukuai (C)" <[email protected]> Signed-off-by: Jan Kara <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
2022-04-29SUNRPC: Ensure timely close of disconnected AF_LOCAL socketsTrond Myklebust1-0/+21
When the rpcbind server closes the socket, we need to ensure that the socket is closed by the kernel as soon as feasible, so add a sk_state_change callback to trigger this close. Signed-off-by: Trond Myklebust <[email protected]>
2022-04-29x86/pci/xen: Disable PCI/MSI[-X] masking for XEN_HVM guestsThomas Gleixner1-1/+5
When a XEN_HVM guest uses the XEN PIRQ/Eventchannel mechanism, then PCI/MSI[-X] masking is solely controlled by the hypervisor, but contrary to XEN_PV guests this does not disable PCI/MSI[-X] masking in the PCI/MSI layer. This can lead to a situation where the PCI/MSI layer masks an MSI[-X] interrupt and the hypervisor grants the write despite the fact that it already requested the interrupt. As a consequence interrupt delivery on the affected device is not happening ever. Set pci_msi_ignore_mask to prevent that like it's done for XEN_PV guests already. Fixes: 809f9267bbab ("xen: map MSIs into pirqs") Reported-by: Jeremi Piotrowski <[email protected]> Reported-by: Dusty Mabe <[email protected]> Reported-by: Salvatore Bonaccorso <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Tested-by: Noah Meyerhans <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/87tuaduxj5.ffs@tglx
2022-04-29can: grcan: only use the NAPI poll budget for RXAndreas Larsson1-15/+7
The previous split budget between TX and RX made it return not using the entire budget but at the same time not having calling called napi_complete. This sometimes led to the poll to not be called, and at the same time having TX and RX interrupts disabled resulting in the driver getting stuck. Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores") Link: https://lore.kernel.org/all/[email protected] Cc: [email protected] Signed-off-by: Andreas Larsson <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2022-04-29can: grcan: grcan_probe(): fix broken system id check for errata workaround ↵Andreas Larsson1-5/+11
needs The systemid property was checked for in the wrong place of the device tree and compared to the wrong value. Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores") Link: https://lore.kernel.org/all/[email protected] Cc: [email protected] Signed-off-by: Andreas Larsson <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2022-04-29can: grcan: use ofdev->dev when allocating DMA memoryDaniel Hellstrom1-2/+4
Use the device of the device tree node should be rather than the device of the struct net_device when allocating DMA buffers. The driver got away with it on sparc32 until commit 53b7670e5735 ("sparc: factor the dma coherent mapping into helper") after which the driver oopses. Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores") Link: https://lore.kernel.org/all/[email protected] Cc: [email protected] Signed-off-by: Daniel Hellstrom <[email protected]> Signed-off-by: Andreas Larsson <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2022-04-29can: grcan: grcan_close(): fix deadlockDuoming Zhou1-0/+2
There are deadlocks caused by del_timer_sync(&priv->hang_timer) and del_timer_sync(&priv->rr_timer) in grcan_close(), one of the deadlocks are shown below: (Thread 1) | (Thread 2) | grcan_reset_timer() grcan_close() | mod_timer() spin_lock_irqsave() //(1) | (wait a time) ... | grcan_initiate_running_reset() del_timer_sync() | spin_lock_irqsave() //(2) (wait timer to stop) | ... We hold priv->lock in position (1) of thread 1 and use del_timer_sync() to wait timer to stop, but timer handler also need priv->lock in position (2) of thread 2. As a result, grcan_close() will block forever. This patch extracts del_timer_sync() from the protection of spin_lock_irqsave(), which could let timer handler to obtain the needed lock. Link: https://lore.kernel.org/all/[email protected] Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores") Cc: [email protected] Signed-off-by: Duoming Zhou <[email protected]> Reviewed-by: Andreas Larsson <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2022-04-29can: isotp: remove re-binding of bound socketOliver Hartkopp1-20/+5
As a carry over from the CAN_RAW socket (which allows to change the CAN interface while mantaining the filter setup) the re-binding of the CAN_ISOTP socket needs to take care about CAN ID address information and subscriptions. It turned out that this feature is so limited (e.g. the sockopts remain fix) that it finally has never been needed/used. In opposite to the stateless CAN_RAW socket the switching of the CAN ID subscriptions might additionally lead to an interrupted ongoing PDU reception. So better remove this unneeded complexity. Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol") Link: https://lore.kernel.org/all/[email protected] Cc: [email protected] Signed-off-by: Oliver Hartkopp <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2022-04-28mm/hwpoison: use pr_err() instead of dump_page() in get_any_page()Naoya Horiguchi1-1/+1
The following VM_BUG_ON_FOLIO() is triggered when memory error event happens on the (thp/folio) pages which are about to be freed: [ 1160.232771] page:00000000b36a8a0f refcount:1 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x16a000 [ 1160.236916] page:00000000b36a8a0f refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x16a000 [ 1160.240684] flags: 0x57ffffc0800000(hwpoison|node=1|zone=2|lastcpupid=0x1fffff) [ 1160.243458] raw: 0057ffffc0800000 dead000000000100 dead000000000122 0000000000000000 [ 1160.246268] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 1160.249197] page dumped because: VM_BUG_ON_FOLIO(!folio_test_large(folio)) [ 1160.251815] ------------[ cut here ]------------ [ 1160.253438] kernel BUG at include/linux/mm.h:788! [ 1160.256162] invalid opcode: 0000 [#1] PREEMPT SMP PTI [ 1160.258172] CPU: 2 PID: 115368 Comm: mceinj.sh Tainted: G E 5.18.0-rc1-v5.18-rc1-220404-2353-005-g83111+ #3 [ 1160.262049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 [ 1160.265103] RIP: 0010:dump_page.cold+0x27e/0x2bd [ 1160.266757] Code: fe ff ff 48 c7 c6 81 f1 5a 98 e9 4c fe ff ff 48 c7 c6 a1 95 59 98 e9 40 fe ff ff 48 c7 c6 50 bf 5a 98 48 89 ef e8 9d 04 6d ff <0f> 0b 41 f7 c4 ff 0f 00 00 0f 85 9f fd ff ff 49 8b 04 24 a9 00 00 [ 1160.273180] RSP: 0018:ffffaa2c4d59fd18 EFLAGS: 00010292 [ 1160.274969] RAX: 000000000000003e RBX: 0000000000000001 RCX: 0000000000000000 [ 1160.277263] RDX: 0000000000000001 RSI: ffffffff985995a1 RDI: 00000000ffffffff [ 1160.279571] RBP: ffffdc9c45a80000 R08: 0000000000000000 R09: 00000000ffffdfff [ 1160.281794] R10: ffffaa2c4d59fb08 R11: ffffffff98940d08 R12: ffffdc9c45a80000 [ 1160.283920] R13: ffffffff985b6f94 R14: 0000000000000000 R15: ffffdc9c45a80000 [ 1160.286641] FS: 00007eff54ce1740(0000) GS:ffff99c67bd00000(0000) knlGS:0000000000000000 [ 1160.289498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1160.291106] CR2: 00005628381a5f68 CR3: 0000000104712003 CR4: 0000000000170ee0 [ 1160.293031] Call Trace: [ 1160.293724] <TASK> [ 1160.294334] get_hwpoison_page+0x47d/0x570 [ 1160.295474] memory_failure+0x106/0xaa0 [ 1160.296474] ? security_capable+0x36/0x50 [ 1160.297524] hard_offline_page_store+0x43/0x80 [ 1160.298684] kernfs_fop_write_iter+0x11c/0x1b0 [ 1160.299829] new_sync_write+0xf9/0x160 [ 1160.300810] vfs_write+0x209/0x290 [ 1160.301835] ksys_write+0x4f/0xc0 [ 1160.302718] do_syscall_64+0x3b/0x90 [ 1160.303664] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.304981] RIP: 0033:0x7eff54b018b7 As shown in the RIP address, this VM_BUG_ON in folio_entire_mapcount() is called from dump_page("hwpoison: unhandlable page") in get_any_page(). The below explains the mechanism of the race: CPU 0 CPU 1 memory_failure get_hwpoison_page get_any_page dump_page compound = PageCompound free_pages_prepare page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP folio_entire_mapcount VM_BUG_ON_FOLIO(!folio_test_large(folio)) So replace dump_page() with safer one, pr_err(). Link: https://lkml.kernel.org/r/[email protected] Fixes: 74e8ee4708a8 ("mm: Turn head_compound_mapcount() into folio_entire_mapcount()") Signed-off-by: Naoya Horiguchi <[email protected]> Reviewed-by: John Hubbard <[email protected]> Reviewed-by: Miaohe Lin <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: Jason Gunthorpe <[email protected]> Cc: William Kucharski <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2022-04-28mm/huge_memory: do not overkill when splitting huge_zero_pageXu Yu1-1/+6
Kernel panic when injecting memory_failure for the global huge_zero_page, when CONFIG_DEBUG_VM is enabled, as follows. Injecting memory failure for pfn 0x109ff9 at process virtual address 0x20ff9000 page:00000000fb053fc3 refcount:2 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109e00 head:00000000fb053fc3 order:9 compound_mapcount:0 compound_pincount:0 flags: 0x17fffc000010001(locked|head|node=0|zone=2|lastcpupid=0x1ffff) raw: 017fffc000010001 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000002ffffffff 0000000000000000 page dumped because: VM_BUG_ON_PAGE(is_huge_zero_page(head)) ------------[ cut here ]------------ kernel BUG at mm/huge_memory.c:2499! invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 6 PID: 553 Comm: split_bug Not tainted 5.18.0-rc1+ #11 Hardware name: Alibaba Cloud Alibaba Cloud ECS, BIOS 3288b3c 04/01/2014 RIP: 0010:split_huge_page_to_list+0x66a/0x880 Code: 84 9b fb ff ff 48 8b 7c 24 08 31 f6 e8 9f 5d 2a 00 b8 b8 02 00 00 e9 e8 fb ff ff 48 c7 c6 e8 47 3c 82 4c b RSP: 0018:ffffc90000dcbdf8 EFLAGS: 00010246 RAX: 000000000000003c RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff823e4c4f RDI: 00000000ffffffff RBP: ffff88843fffdb40 R08: 0000000000000000 R09: 00000000fffeffff R10: ffffc90000dcbc48 R11: ffffffff82d68448 R12: ffffea0004278000 R13: ffffffff823c6203 R14: 0000000000109ff9 R15: ffffea000427fe40 FS: 00007fc375a26740(0000) GS:ffff88842fd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc3757c9290 CR3: 0000000102174006 CR4: 00000000003706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: try_to_split_thp_page+0x3a/0x130 memory_failure+0x128/0x800 madvise_inject_error.cold+0x8b/0xa1 __x64_sys_madvise+0x54/0x60 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc3754f8bf9 Code: 01 00 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 8 RSP: 002b:00007ffeda93a1d8 EFLAGS: 00000217 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc3754f8bf9 RDX: 0000000000000064 RSI: 0000000000003000 RDI: 0000000020ff9000 RBP: 00007ffeda93a200 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000217 R12: 0000000000400490 R13: 00007ffeda93a2e0 R14: 0000000000000000 R15: 0000000000000000 We think that raising BUG is overkilling for splitting huge_zero_page, the huge_zero_page can't be met from normal paths other than memory failure, but memory failure is a valid caller. So we tend to replace the BUG to WARN + returning -EBUSY, and thus the panic above won't happen again. Link: https://lkml.kernel.org/r/f35f8b97377d5d3ede1bc5ac3114da888c57cbce.1651052574.git.xuyu@linux.alibaba.com Fixes: d173d5417fb6 ("mm/memory-failure.c: skip huge_zero_page in memory_failure()") Fixes: 6a46079cf57a ("HWPOISON: The high level memory error handler in the VM v7") Signed-off-by: Xu Yu <[email protected]> Suggested-by: Yang Shi <[email protected]> Reported-by: kernel test robot <[email protected]> Reviewed-by: Naoya Horiguchi <[email protected]> Reviewed-by: Yang Shi <[email protected]> Reviewed-by: Miaohe Lin <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2022-04-28Revert "mm/memory-failure.c: skip huge_zero_page in memory_failure()"Xu Yu1-13/+0
Patch series "mm/memory-failure: rework fix on huge_zero_page splitting". This patch (of 2): This reverts commit d173d5417fb67411e623d394aab986d847e47dad. The commit d173d5417fb6 ("mm/memory-failure.c: skip huge_zero_page in memory_failure()") explicitly skips huge_zero_page in memory_failure(), in order to avoid triggering VM_BUG_ON_PAGE on huge_zero_page in split_huge_page_to_list(). This works, but Yang Shi thinks that, Raising BUG is overkilling for splitting huge_zero_page. The huge_zero_page can't be met from normal paths other than memory failure, but memory failure is a valid caller. So I tend to replace the BUG to WARN + returning -EBUSY. If we don't care about the reason code in memory failure, we don't have to touch memory failure. And for the issue that huge_zero_page will be set PG_has_hwpoisoned, Yang Shi comments that, The anonymous page fault doesn't check if the page is poisoned or not since it typically gets a fresh allocated page and assumes the poisoned page (isolated successfully) can't be reallocated again. But huge zero page and base zero page are reused every time. So no matter what fix we pick, the issue is always there. Finally, Yang, David, Anshuman and Naoya all agree to fix the bug, i.e., to split huge_zero_page, in split_huge_page_to_list(). This reverts the commit d173d5417fb6 ("mm/memory-failure.c: skip huge_zero_page in memory_failure()"), and the original bug will be fixed by the next patch. Link: https://lkml.kernel.org/r/872cefb182ba1dd686b0e7db1e6b2ebe5a4fff87.1651039624.git.xuyu@linux.alibaba.com Fixes: d173d5417fb6 ("mm/memory-failure.c: skip huge_zero_page in memory_failure()") Fixes: 6a46079cf57a ("HWPOISON: The high level memory error handler in the VM v7") Signed-off-by: Xu Yu <[email protected]> Suggested-by: Yang Shi <[email protected]> Reviewed-by: Yang Shi <[email protected]> Reviewed-by: Miaohe Lin <[email protected]> Cc: Naoya Horiguchi <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2022-04-29ath11k: reduce the wait time of 11d scan and hw scan while add interfaceWen Gong7-64/+84
(cherry picked from commit 1f682dc9fb3790aa7ec27d3d122ff32b1eda1365 in wireless-next) Currently ath11k will wait 11d scan complete while add interface in ath11k_mac_op_add_interface(), when system resume without enable wowlan, ath11k_mac_op_add_interface() is called for each resume, thus it increase the resume time of system. And ath11k_mac_op_hw_scan() after ath11k_mac_op_add_interface() also needs some time cost because the previous 11d scan need more than 5 seconds when 6 GHz is enabled, then the scan started event will indicated to ath11k after the 11d scan completed. While 11d scan/hw scan is running in firmware, if ath11k update channel list to firmware by WMI_SCAN_CHAN_LIST_CMDID, then firmware will cancel the current scan which is running, it lead the scan failed. The patch commit 9dcf6808b253 ("ath11k: add 11d scan offload support") used finish_11d_scan/finish_11d_ch_list/pending_11d to synchronize the 11d scan/hw scan/channel list between ath11k/firmware/mac80211 and to avoid the scan fail. Add wait operation before ath11k update channel list, function ath11k_reg_update_chan_list() will wait until the current 11d scan/hw scan completed. And remove the wait operation of start 11d scan and waiting channel list complete in hw scan. After these changes, resume time cost reduce about 5 seconds and also hw scan time cost reduced obviously, and scan failed not seen. The 11d scan is sent to firmware only one time for each interface added in mac.c, and it is moved after the 1st hw scan because 11d scan will cost some time and thus leads the AP scan result update to UI delay. Currently priority of ath11k's hw scan is WMI_SCAN_PRIORITY_LOW, and priority of 11d scan in firmware is WMI_SCAN_PRIORITY_MEDIUM, then the 11d scan which sent after hw scan will cancel the hw scan in firmware, so change the priority to WMI_SCAN_PRIORITY_MEDIUM for the hw scan which is in front of the 11d scan, thus it will not happen scan cancel in firmware. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3 Fixes: 9dcf6808b253 ("ath11k: add 11d scan offload support") Link: https://bugzilla.kernel.org/show_bug.cgi?id=215777 Cc: <[email protected]> Signed-off-by: Wen Gong <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2022-04-28Merge tag 'drm-fixes-2022-04-29' of git://anongit.freedesktop.org/drm/drmLinus Torvalds14-155/+195
Pull drm fixes from Dave Airlie: "Another relatively quiet week, amdgpu leads the way, some i915 display fixes, and a single sunxi fix. amdgpu: - Runtime pm fix - DCN memory leak fix in error path - SI DPM deadlock fix - S0ix fix amdkfd: - GWS fix - GWS support for CRIU i915: - Fix #5284: Backlight control regression on XMG Core 15 e21 - Fix black display plane on Acer One AO532h - Two smaller display fixes sunxi: - Single fix removing applying PHYS_OFFSET twice" * tag 'drm-fixes-2022-04-29' of git://anongit.freedesktop.org/drm/drm: drm/amdgpu: keep mmhub clock gating being enabled during s2idle suspend drm/amd/pm: fix the deadlock issue observed on SI drm/amd/display: Fix memory leak in dcn21_clock_source_create drm/amdgpu: don't runtime suspend if there are displays attached (v3) drm/amdkfd: CRIU add support for GWS queues drm/amdkfd: Fix GWS queue count drm/sun4i: Remove obsolete references to PHYS_OFFSET drm/i915/fbc: Consult hw.crtc instead of uapi.crtc drm/i915: Fix SEL_FETCH_PLANE_*(PIPE_B+) register addresses drm/i915: Check EDID for HDR static metadata when choosing blc drm/i915: Fix DISP_POS_Y and DISP_HEIGHT defines
2022-04-29Merge tag 'amd-drm-fixes-5.18-2022-04-27' of ↵Dave Airlie10-140/+165
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-5.18-2022-04-27: amdgpu: - Runtime pm fix - DCN memory leak fix in error path - SI DPM deadlock fix - S0ix fix amdkfd: - GWS fix - GWS support for CRIU Signed-off-by: Dave Airlie <[email protected]> From: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-04-29Merge tag 'drm-intel-fixes-2022-04-28' of ↵Dave Airlie3-12/+30
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Fix #5284: Backlight control regression on XMG Core 15 e21 - Fix black display plane on Acer One AO532h - Two smaller display fixes Signed-off-by: Dave Airlie <[email protected]> From: Joonas Lahtinen <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-04-29Merge tag 'drm-misc-fixes-2022-04-27' of ↵Dave Airlie1-3/+0
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes drm-misc-fixes for v5.18-rc5: - Single fix removing applying PHYS_OFFSET twice in sunxi. Signed-off-by: Dave Airlie <[email protected]> From: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-04-29timekeeping: Mark NMI safe time accessors as notraceKurt Kanzenbach1-2/+2
Mark the CLOCK_MONOTONIC fast time accessors as notrace. These functions are used in tracing to retrieve timestamps, so they should not recurse. Fixes: 4498e7467e9e ("time: Parametrize all tk_fast_mono users") Fixes: f09cb9a1808e ("time: Introduce tk_fast_raw") Reported-by: Steven Rostedt <[email protected]> Signed-off-by: Kurt Kanzenbach <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected]/ Link: https://lore.kernel.org/r/[email protected]
2022-04-28Merge tag 'net-5.18-rc5' of ↵Linus Torvalds70-414/+598
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from bluetooth, bpf and netfilter. Current release - new code bugs: - bridge: switchdev: check br_vlan_group() return value - use this_cpu_inc() to increment net->core_stats, fix preempt-rt Previous releases - regressions: - eth: stmmac: fix write to sgmii_adapter_base Previous releases - always broken: - netfilter: nf_conntrack_tcp: re-init for syn packets only, resolving issues with TCP fastopen - tcp: md5: fix incorrect tcp_header_len for incoming connections - tcp: fix F-RTO may not work correctly when receiving DSACK - tcp: ensure use of most recently sent skb when filling rate samples - tcp: fix potential xmit stalls caused by TCP_NOTSENT_LOWAT - virtio_net: fix wrong buf address calculation when using xdp - xsk: fix forwarding when combining copy mode with busy poll - xsk: fix possible crash when multiple sockets are created - bpf: lwt: fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hook - sctp: null-check asoc strreset_chunk in sctp_generate_reconf_event - wireguard: device: check for metadata_dst with skb_valid_dst() - netfilter: update ip6_route_me_harder to consider L3 domain - gre: make o_seqno start from 0 in native mode - gre: switch o_seqno to atomic to prevent races in collect_md mode Misc: - add Eric Dumazet to networking maintainers - dt: dsa: realtek: remove realtek,rtl8367s string - netfilter: flowtable: Remove the empty file" * tag 'net-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits) tcp: fix F-RTO may not work correctly when receiving DSACK Revert "ibmvnic: Add ethtool private flag for driver-defined queue limits" net: enetc: allow tc-etf offload even with NETIF_F_CSUM_MASK ixgbe: ensure IPsec VF<->PF compatibility MAINTAINERS: Update BNXT entry with firmware files netfilter: nft_socket: only do sk lookups when indev is available net: fec: add missing of_node_put() in fec_enet_init_stop_mode() bnx2x: fix napi API usage sequence tls: Skip tls_append_frag on zero copy size Add Eric Dumazet to networking maintainers netfilter: conntrack: fix udp offload timeout sysctl netfilter: nf_conntrack_tcp: re-init for syn packets only net: dsa: lantiq_gswip: Don't set GSWIP_MII_CFG_RMII_CLK net: Use this_cpu_inc() to increment net->core_stats Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted Bluetooth: hci_event: Fix creating hci_conn object on error status Bluetooth: hci_event: Fix checking for invalid handle on error status ice: fix use-after-free when deinitializing mailbox snapshot ice: wait 5 s for EMP reset after firmware flash ice: Protect vf_state check by cfg_lock in ice_vc_process_vf_msg() ...
2022-04-28io_uring: fix uninitialized field in rw io_kiocbJoseph Ravichandran1-0/+1
io_rw_init_file does not initialize kiocb->private, so when iocb_bio_iopoll reads kiocb->private it can contain uninitialized data. Fixes: 3e08773c3841 ("block: switch polling to be bio based") Signed-off-by: Joseph Ravichandran <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
2022-04-28Merge tag 'thermal-5.18-rc5' of ↵Linus Torvalds4-9/+7
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull thermal control fixes from Rafael Wysocki: "These take back recent chages that started to confuse users and fix up an attr.show callback prototype in a driver. Specifics: - Stop warning about deprecation of the userspace thermal governor and cooling device status interface, because there are cases in which user space has to drive thermal management with the help of them (Daniel Lezcano) - Fix attr.show callback prototype in the int340x thermal driver (Kees Cook)" * tag 'thermal-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: thermal/governor: Remove deprecated information Revert "thermal/core: Deprecate changing cooling device state from userspace" thermal: int340x: Fix attr.show callback prototype
2022-04-28Merge tag 'pm-5.18-rc5' of ↵Linus Torvalds3-26/+75
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix up recent intel_idle driver changes and fix some ARM cpufreq driver issues. Specifics: - Fix issues with the Qualcomm's cpufreq driver (Dmitry Baryshkov, Vladimir Zapolskiy). - Fix memory leak with the Sun501 driver (Xiaobing Luo). - Make intel_idle enable C1E promotion on all CPUs when C1E is preferred to C1 (Artem Bityutskiy). - Make C6 optimization on Sapphire Rapids added recently work as expected if both C1E and C1 are "preferred" (Artem Bityutskiy)" * tag 'pm-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: intel_idle: Fix SPR C6 optimization intel_idle: Fix the 'preferred_cstates' module parameter cpufreq: qcom-cpufreq-hw: Clear dcvs interrupts cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe cpufreq: qcom-cpufreq-hw: Fix throttle frequency value on EPSS platforms cpufreq: qcom-hw: provide online/offline operations cpufreq: qcom-hw: fix the opp entries refcounting cpufreq: qcom-hw: fix the race between LMH worker and cpuhp cpufreq: qcom-hw: drop affinity hint before freeing the IRQ
2022-04-28Merge tag 'acpi-5.18-rc5' of ↵Linus Torvalds1-6/+2
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fixes from Rafael WysockiL "These fix up the ACPI processor driver after a change made during the 5.16 cycle that inadvertently broke falling back to shallower C-states when C3 cannot be used. Specifics: - Make the ACPI processor driver avoid falling back to C3 type of C-states when C3 cannot be requested (Ville Syrjälä) - Revert a quirk that is not necessary any more after fixing the underlying issue properly (Ville Syrjälä)" * tag 'acpi-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40" ACPI: processor: idle: Avoid falling back to C3 type C-states
2022-04-28Merge tag 'platform-drivers-x86-v5.18-3' of ↵Linus Torvalds7-21/+59
git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Hans de Goede: "Highlights: - asus-wmi bug-fixes - intel-sdsu bug-fixes - build (warning) fixes - couple of hw-id additions" * tag 'platform-drivers-x86-v5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86/intel: pmc/core: change pmc_lpm_modes to static platform/x86/intel/sdsi: Fix bug in multi packet reads platform/x86/intel/sdsi: Poll on ready bit for writes platform/x86/intel/sdsi: Handle leaky bucket platform/x86: intel-uncore-freq: Prevent driver loading in guests platform/x86: gigabyte-wmi: added support for B660 GAMING X DDR4 motherboard platform/x86: dell-laptop: Add quirk entry for Latitude 7520 platform/x86: asus-wmi: Fix driver not binding when fan curve control probe fails platform/x86: asus-wmi: Potential buffer overflow in asus_wmi_evaluate_method_buf() tools/power/x86/intel-speed-select: fix build failure when using -Wl,--as-needed
2022-04-28Merge tag 'regulator-fix-v5.18-rc4' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fix from Mark Brown: "A minor fix for the DT binding documentation of the rt5190a driver" * tag 'regulator-fix-v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: dt-bindings: Revise the rt5190a buck/ldo description
2022-04-28tcp: fix F-RTO may not work correctly when receiving DSACKPengcheng Yang1-1/+2
Currently DSACK is regarded as a dupack, which may cause F-RTO to incorrectly enter "loss was real" when receiving DSACK. Packetdrill to demonstrate: // Enable F-RTO and TLP 0 `sysctl -q net.ipv4.tcp_frto=2` 0 `sysctl -q net.ipv4.tcp_early_retrans=3` 0 `sysctl -q net.ipv4.tcp_congestion_control=cubic` // Establish a connection +0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 // RTT 10ms, RTO 210ms +.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7> +0 > S. 0:0(0) ack 1 <...> +.01 < . 1:1(0) ack 1 win 257 +0 accept(3, ..., ...) = 4 // Send 2 data segments +0 write(4, ..., 2000) = 2000 +0 > P. 1:2001(2000) ack 1 // TLP +.022 > P. 1001:2001(1000) ack 1 // Continue to send 8 data segments +0 write(4, ..., 10000) = 10000 +0 > P. 2001:10001(8000) ack 1 // RTO +.188 > . 1:1001(1000) ack 1 // The original data is acked and new data is sent(F-RTO step 2.b) +0 < . 1:1(0) ack 2001 win 257 +0 > P. 10001:12001(2000) ack 1 // D-SACK caused by TLP is regarded as a dupack, this results in // the incorrect judgment of "loss was real"(F-RTO step 3.a) +.022 < . 1:1(0) ack 2001 win 257 <sack 1001:2001,nop,nop> // Never-retransmitted data(3001:4001) are acked and // expect to switch to open state(F-RTO step 3.b) +0 < . 1:1(0) ack 4001 win 257 +0 %{ assert tcpi_ca_state == 0, tcpi_ca_state }% Fixes: e33099f96d99 ("tcp: implement RFC5682 F-RTO") Signed-off-by: Pengcheng Yang <[email protected]> Acked-by: Neal Cardwell <[email protected]> Tested-by: Neal Cardwell <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-04-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nfJakub Kicinski3-30/+45
Pablo Neira Ayuso says: ==================== Netfilter fixes for net 1) Fix incorrect TCP connection tracking window reset for non-syn packets, from Florian Westphal. 2) Incorrect dependency on CONFIG_NFT_FLOW_OFFLOAD, from Volodymyr Mytnyk. 3) Fix nft_socket from the output path, from Florian Westphal. * git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: nft_socket: only do sk lookups when indev is available netfilter: conntrack: fix udp offload timeout sysctl netfilter: nf_conntrack_tcp: re-init for syn packets only ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-04-28Merge tag 'gfs2-v5.18-rc4-fix2' of ↵Linus Torvalds1-4/+0
git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 fix from Andreas Gruenbacher: - No short reads or writes upon glock contention * tag 'gfs2-v5.18-rc4-fix2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: No short reads or writes upon glock contention
2022-04-28Revert "ibmvnic: Add ethtool private flag for driver-defined queue limits"Dany Madden2-100/+35
This reverts commit 723ad916134784b317b72f3f6cf0f7ba774e5dae When client requests channel or ring size larger than what the server can support the server will cap the request to the supported max. So, the client would not be able to successfully request resources that exceed the server limit. Fixes: 723ad9161347 ("ibmvnic: Add ethtool private flag for driver-defined queue limits") Signed-off-by: Dany Madden <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-04-28net: enetc: allow tc-etf offload even with NETIF_F_CSUM_MASKVladimir Oltean1-4/+0
The Time-Specified Departure feature is indeed mutually exclusive with TX IP checksumming in ENETC, but TX checksumming in itself is broken and was removed from this driver in commit 82728b91f124 ("enetc: Remove Tx checksumming offload code"). The blamed commit declared NETIF_F_HW_CSUM in dev->features to comply with software TSO's expectations, and still did the checksumming in software by calling skb_checksum_help(). So there isn't any restriction for the Time-Specified Departure feature. However, enetc_setup_tc_txtime() doesn't understand that, and blindly looks for NETIF_F_CSUM_MASK. Instead of checking for things which can literally never happen in the current code base, just remove the check and let the driver offload tc-etf qdiscs. Fixes: acede3c5dad5 ("net: enetc: declare NETIF_F_HW_CSUM and do it in software") Signed-off-by: Vladimir Oltean <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-04-28ixgbe: ensure IPsec VF<->PF compatibilityLeon Romanovsky1-1/+2
The VF driver can forward any IPsec flags and such makes the function is not extendable and prone to backward/forward incompatibility. If new software runs on VF, it won't know that PF configured something completely different as it "knows" only XFRM_OFFLOAD_INBOUND flag. Fixes: eda0333ac293 ("ixgbe: add VF IPsec management") Reviewed-by: Raed Salem <[email protected]> Signed-off-by: Leon Romanovsky <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Tested-by: Konrad Jankowski <[email protected]> Signed-off-by: Tony Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-04-28Merge tag 'xfs-5.18-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds5-39/+38
Pull xfs fixes from Dave Chinner: - define buffer bit flags as unsigned to fix gcc-5 + c11 warnings - remove redundant XFS fields from MAINTAINERS - fix inode buffer locking order regression * tag 'xfs-5.18-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: reorder iunlink remove operation in xfs_ifree MAINTAINERS: update IOMAP FILESYSTEM LIBRARY and XFS FILESYSTEM xfs: convert buffer flags to unsigned.
2022-04-28MAINTAINERS: Update BNXT entry with firmware filesFlorian Fainelli1-0/+2
There appears to be a maintainer gap for BNXT TEE firmware files which causes some patches to be missed. Update the entry for the BNXT Ethernet controller with its companion firmware files. Signed-off-by: Florian Fainelli <[email protected]> Reviewed-by: Michael Chan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
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