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642ec08c2e
Pull NVMe updates from Keith: "- Enable context analysis for the nvme host driver, annotating the subsystem's locks, along with the LIST_HEAD_GUARDED support it needs (Nilay, Marco) - Harden the tcp host and target against malformed PDUs and out of range SGL lengths (Yehyeong, Ibrahim, Greg) - Fix unserialized page_frag_cache use in nvme-tcp request setup (Dmitry) - Bound identify, FDP and passthrough descriptor parsing to the allocated buffers (Hari, Guixin) - Zoned namespace fixes for host and the target (Xixin, Guixin, Yao) - Apple controller fixes: page aligned admin queue buffers, NVMMU TCB setup, DMA direction and admin queue teardown (Sven, Gui-Dong) - Add a namespace level debugfs directory exposing reservation state, and ABI documentation for the host sysfs and target configfs interfaces (Guixin) - Fix cdev and namespace lifetimes (John) - Parallelize nvme-rdma I/O queue allocation and startup (Surabhi) - Fix nvmet-rdma response resource leak on queue teardown (Shin'ichiro) - Authentication fixes: AUTH_RECEIVE buffer and an out of bounds read in negotiate (Xixin, Bryam, Guixin, Eric) - Fix pci-epf use-after-free and CQ reference leak (Shin'ichiro, Yifei) - Reject passthrough of driver managed Set Features (Chao) - Various error path and teardown fixes across the host and target addressing issues with use-after-free and leaking resources (Guixin, Maurizio, Ewan, Zhengrong, Jiang HongHui, Myeonghun, Yang, Geliang, Yehyeong) - Various cleanups and typo fixes (Nilay, Guixin, Pan Chuang)" * tag 'nvme-7.3-2026-08-13' of git://git.infradead.org/nvme: (81 commits) nvmet: fix max_qid race between configfs and controller allocation nvme: nvme-fc: Fix nvme_fc_create_hw_io_queues() queue deletion in error path nvme: ratelimit the completion-path messages driven by device data nvme-tcp: fix host memory disclosure on R2T for a read command nvme-tcp: do not accept C2HData based on blk_rq_payload_bytes() alone nvme-tcp: reject a read that transferred too few bytes nvmet: zns: reject full zone report when buffer is too small nvme-tcp: fix usage of page_frag_cache nvme: reject passthrough of driver-managed Set Features nvmet: fix NULL pointer dereference in nvmet_execute_identify_ns_zns() nvmet: pci-epf: fix use-after-free in nvmet_pci_epf_exec_iod_work() nvmet: pci-epf: put CQ ref on create_cq mapping failure nvme-apple: Drop the PRP null check chicken bit nvme-apple: Require page aligned buffers on the admin queue nvme: Add a quirk for page aligned admin queue buffers nvme-apple: Never set the opcode in the NVMMU TCB nvme-apple: Don't set a DMA direction for commands without a data transfer nvme-apple: Destroy the admin queue on removal nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate() nvme: raise FDP placement handle cap to U8_MAX and warn on overflow ...
Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start ----------- * Report a bug: See Documentation/admin-guide/reporting-issues.rst * Get the latest kernel: https://kernel.org * Build the kernel: See Documentation/admin-guide/quickly-build-trimmed-linux.rst * Join the community: https://lore.kernel.org/ Essential Documentation ----------------------- All users should be familiar with: * Building requirements: Documentation/process/changes.rst * Code of Conduct: Documentation/process/code-of-conduct.rst * License: See COPYING Documentation can be built with make htmldocs or viewed online at: https://www.kernel.org/doc/html/latest/ Who Are You? ============ Find your role below: * New Kernel Developer - Getting started with kernel development * Academic Researcher - Studying kernel internals and architecture * Security Expert - Hardening and vulnerability analysis * Backport/Maintenance Engineer - Maintaining stable kernels * System Administrator - Configuring and troubleshooting * Maintainer - Leading subsystems and reviewing patches * Hardware Vendor - Writing drivers for new hardware * Distribution Maintainer - Packaging kernels for distros * AI Coding Assistant - LLMs and AI-powered development tools For Specific Users ================== New Kernel Developer -------------------- Welcome! Start your kernel development journey here: * Getting Started: Documentation/process/development-process.rst * Your First Patch: Documentation/process/submitting-patches.rst * Coding Style: Documentation/process/coding-style.rst * Build System: Documentation/kbuild/index.rst * Development Tools: Documentation/dev-tools/index.rst * Kernel Hacking Guide: Documentation/kernel-hacking/hacking.rst * Core APIs: Documentation/core-api/index.rst Academic Researcher ------------------- Explore the kernel's architecture and internals: * Researcher Guidelines: Documentation/process/researcher-guidelines.rst * Memory Management: Documentation/mm/index.rst * Scheduler: Documentation/scheduler/index.rst * Networking Stack: Documentation/networking/index.rst * Filesystems: Documentation/filesystems/index.rst * RCU (Read-Copy Update): Documentation/RCU/index.rst * Locking Primitives: Documentation/locking/index.rst * Power Management: Documentation/power/index.rst Security Expert --------------- Security documentation and hardening guides: * Security Documentation: Documentation/security/index.rst * LSM Development: Documentation/security/lsm-development.rst * Self Protection: Documentation/security/self-protection.rst * Reporting Vulnerabilities: Documentation/process/security-bugs.rst * CVE Procedures: Documentation/process/cve.rst * Embargoed Hardware Issues: Documentation/process/embargoed-hardware-issues.rst * Security Features: Documentation/userspace-api/seccomp_filter.rst Backport/Maintenance Engineer ----------------------------- Maintain and stabilize kernel versions: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * Backporting Guide: Documentation/process/backporting.rst * Applying Patches: Documentation/process/applying-patches.rst * Subsystem Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git for Maintainers: Documentation/maintainer/configure-git.rst System Administrator -------------------- Configure, tune, and troubleshoot Linux systems: * Admin Guide: Documentation/admin-guide/index.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Sysctl Tuning: Documentation/admin-guide/sysctl/index.rst * Tracing/Debugging: Documentation/trace/index.rst * Performance Security: Documentation/admin-guide/perf-security.rst * Hardware Monitoring: Documentation/hwmon/index.rst Maintainer ---------- Lead kernel subsystems and manage contributions: * Maintainer Handbook: Documentation/maintainer/index.rst * Pull Requests: Documentation/maintainer/pull-requests.rst * Managing Patches: Documentation/maintainer/modifying-patches.rst * Rebasing and Merging: Documentation/maintainer/rebasing-and-merging.rst * Development Process: Documentation/process/maintainer-handbooks.rst * Maintainer Entry Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git Configuration: Documentation/maintainer/configure-git.rst Hardware Vendor --------------- Write drivers and support new hardware: * Driver API Guide: Documentation/driver-api/index.rst * Driver Model: Documentation/driver-api/driver-model/driver.rst * Device Drivers: Documentation/driver-api/infrastructure.rst * Bus Types: Documentation/driver-api/driver-model/bus.rst * Device Tree Bindings: Documentation/devicetree/bindings/ * Power Management: Documentation/driver-api/pm/index.rst * DMA API: Documentation/core-api/dma-api.rst Distribution Maintainer ----------------------- Package and distribute the kernel: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * ABI Documentation: Documentation/ABI/README * Kernel Configuration: Documentation/kbuild/kconfig.rst * Module Signing: Documentation/admin-guide/module-signing.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Tainted Kernels: Documentation/admin-guide/tainted-kernels.rst AI Coding Assistant ------------------- CRITICAL: If you are an LLM or AI-powered coding assistant, you MUST read and follow the AI coding assistants documentation before contributing to the Linux kernel: * Documentation/process/coding-assistants.rst This documentation contains essential requirements about licensing, attribution, and the Developer Certificate of Origin that all AI tools must comply with. Communication and Support ========================= * Mailing Lists: https://lore.kernel.org/ * IRC: #kernelnewbies on irc.oftc.net * Bugzilla: https://bugzilla.kernel.org/ * MAINTAINERS file: Lists subsystem maintainers and mailing lists * Email Clients: Documentation/process/email-clients.rst