What were the notable Linux updates?

Merge tag 'v7.2-rc1-smb3-server-fixes' of git://git.samba.org/ksmbd, Merge tag 'drm-fixes-2026-07-04' of https://gitlab.freedesktop.org/drm/kernel, and Merge tag 'vfs-7.2-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.

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The Wire · Showcase

KSMBD RACES AND DRM FIXES FLOOD RC2, VFS LAYERS NEED ATTENTION

By RepoJournal · Filed 06:01 UTC on July 4, 2026 · About Linux

The kernel team is stamping out use-after-free races in the SMB server while wrestling with a larger-than-usual batch of graphics and filesystem fixes across the stack.

The SMB3 server merged critical fixes [1] for several use-after-free races in durable handle reconnect and oplock handling, plus a significant performance win: removing delays up to 35 seconds when the inode oplock lock was held during lease break acknowledgements. This is the kind of fix that surfaces in production first. The DRM pull [2] is notably large for rc2, spanning xe, amdgpu, panthor, and a set of dma-fence robustness improvements including a NULL pointer dereference fix and a more resilient dedup array. VFS landed its own batch [3] with netfs corrections including double fput bugs, S_KERNEL_FILE clearing races, and page extraction underflows in iov_iter helpers that could have triggered on edge cases. XFS followed with buffer handling refactoring [4], simplifying error paths and fixing synchronous error handling in xfs_buf_submit. The ACPI fixes [5] are minor but notable for cleaning up decades of #ifdef __KERNEL__ cruft by aliasing safe_strncpy to strscpy_pad. This is rc2 noise, but the SMB and VFS layers are where you should spend your review cycles.

Action items

→ Review SMB oplock lock contention fixes before merging into your filesystems test suite torvalds/linux [plan]
→ Test your DRM paths if running xe or amdgpu, especially dma-fence dedup changes torvalds/linux [monitor]
→ Audit netfs page extraction calls in iov_iter paths for allocation failures torvalds/linux [plan]

References

[1] Merge tag 'v7.2-rc1-smb3-server-fixes' of git://git.samba.org/ksmbd torvalds/linux
[2] Merge tag 'drm-fixes-2026-07-04' of https://gitlab.freedesktop.org/drm/kernel torvalds/linux
[3] Merge tag 'vfs-7.2-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs torvalds/linux
[4] Merge tag 'xfs-fixes-7.2-rc2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux torvalds/linux
[5] Merge tag 'acpi-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm torvalds/linux

Quick answers

What shipped in Linux on July 4, 2026?: The kernel team is stamping out use-after-free races in the SMB server while wrestling with a larger-than-usual batch of graphics and filesystem fixes across the stack. In total, 13 commits landed.
What were the notable Linux updates?: Merge tag 'v7.2-rc1-smb3-server-fixes' of git://git.samba.org/ksmbd, Merge tag 'drm-fixes-2026-07-04' of https://gitlab.freedesktop.org/drm/kernel, and Merge tag 'vfs-7.2-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.

KERNEL STABILIZES BEFORE 7.2 FINAL WITH ACL, USB, AND BLOCK DEVICE FIXES

Linux 7.2-rc5 lands critical fixes for filesystem caching, USB device quirks, and a nasty emergency thaw deadlock that could hang your system during freeze operations.

infra 59 shipped 1-min read

Linux 2 days ago

RUST TOOLCHAIN FIXES LAND, OMARCHY TACKLES SUSPEND RACE AND HARDWARE DETECTION

Linus merged rust infrastructure updates and a cascade of subsystem fixes across firewire, LoongArch, and perf tooling, while the Omarchy team shipped five critical fixes addressing fingerprint reader false positives, zram configuration conflicts, and a dangerous screen-lock-to-suspend race condition.

infra 38 shipped 2-min read

Linux 3 days ago

IO_URING FIXES AND SOCKMAP USE-AFTER-FREE PATCH LAND IN 7.2-RC

Linus merged critical io_uring corrections and a high-impact sockmap race condition fix that closes a threading vulnerability in TCP BPF message handling.

infra 83 shipped 1-min read

Linux 4 days ago

KERNEL PATCHES CLOSE NAMESPACE PRIVILEGE ESCALATION GAPS IN TUNNEL DRIVERS

Two critical fixes close a privilege escalation hole in VXLAN and GENEVE tunnel changelink operations that allowed unprivileged callers in one namespace to rewrite devices whose underlay lives elsewhere.

infra 100 shipped 1-min read

Elsewhere on the wire

AI Agents about 21 hours ago

CLINE SHIPS FIVE CRITICAL AGENT FIXES AFTER END-TO-END TESTING BLITZ

Saoudrizwan just landed a cascade of fixes that prevent the agent loop from running wild, stop file reads from resolving to the wrong directory, and plug the compaction pipeline.

ai-agents 16 shipped 2-min read

Local LLMs about 21 hours ago

LLAMA.CPP SHIPS MINIMAX-M3 SPARSE ATTENTION, VLLM UNLOCKS HETEROGENEOUS PREFILL-DECODE

The inference stack gets a new model architecture and a fundamental shift in how prefill and decode can run on different hardware configurations.

+10

llms 125 shipped 1-min read

@CachyOS about 21 hours ago

GLIBC 2.43 REBUILD SHIPS, INSTALLER JUMPS TO C++26

CachyOS pushed glibc 2.43 through the pipeline while the CLI installer upgraded its C++ standard to C++26, signaling a major refresh across core infrastructure.

infra 97 shipped 1-min read

Elixir & Phoenix about 21 hours ago

ECTO FIXES SUBQUERY PLANNING IN JOINS, ELIXIR PATCHES IEX PARSING

Ecto's query planner now handles subqueries correctly in interpolated join filters, while Elixir fixes a syntax error that broke 'not in' as a continuation operator in IEx.