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wire 2026-06-27
stories 18
RSS Archive Reviews

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$ the-wire · showcase

KSMBD PROTOCOL FIXES LAND IN 7.2-RC, GFS2 QUOTA BUGS SQUASHED

By RepoJournal · Filed · About Linux · Composed from the cited sources · methodology

The kernel's SMB server implementation got a major protocol compliance overhaul after smbtorture exposed significant divergence from spec, while filesystems and power management shore up edge cases before the 7.2 release.

SMB3 support in ksmbd just got a correctness pass that rewrites lease state handling, oplock behavior, durable handle tracking, and CREATE/rename semantics to match actual protocol requirements [1]. This wasn't theoretical: smbtorture found real divergence that would break interop with strict clients. In parallel, GFS2 fixed a dangerous page poisoning bug during file growth and resolved quota initialization issues that were sleeping under bitlocks on PREEMPT_RT systems [2], which would deadlock real deployments. Thermal and power management got focused fixes: Intel's thermal_throttle driver no longer leaks resources on failure [3], and the schedutil governor's need_freq_update flag now clears correctly in the adjust_perf path to avoid spurious cpufreq calls [4]. eCryptfs received cleanup work replacing kmalloc/snprintf with kasprintf, reducing code footprint [5]. None of these are flashy, but they're the kind of subtle correctness fixes that prevent production headaches.

Action items

References

  1. [1] Merge tag 'v7.2-rc-part2-smb3-server-fixes' of git://git.samba.org/ksmbd torvalds/linux ↗
  2. [2] Merge tag 'gfs2-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 torvalds/linux ↗
  3. [3] Merge tag 'thermal-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm torvalds/linux ↗
  4. [4] Merge tag 'pm-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm torvalds/linux ↗
  5. [5] Merge tag 'ecryptfs-7.2-rc1-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs torvalds/linux ↗

$ ls linux/reviews/ # the step-back reads

the week in review Omarchy polkit PAM stack skipped system-auth the month in review Linux 7.3 rc cycle fixes cgroup kill, SMB corruption
Full archive → Weekly reviews →

Quick answers

What shipped in Linux on June 27, 2026?
The kernel's SMB server implementation got a major protocol compliance overhaul after smbtorture exposed significant divergence from spec, while filesystems and power management shore up edge cases before the 7.2 release. In total, 18 commits landed.
What were the notable Linux updates?
Merge tag 'v7.2-rc-part2-smb3-server-fixes' of git://git.samba.org/ksmbd, Merge tag 'gfs2-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2, and Merge tag 'thermal-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.
♥

$ log Linux --recent

drm-fixes backs out dma-buf debug, vfs closes pathwalk use-after-frees 29 shipped Netlink stops hashing the net pointer, stmmac clears a stuck RGMII interrupt 27 shipped Poly1305 carry fix lands, Omarchy locks down N1x laptops and idle fingerprint readers 23 shipped Omarchy copies agent logins over SSH, kernel queues 7.4 merges 106 shipped

$ log --all # elsewhere on the wire

Alignment & Post-training verl rejects conflicting vLLM engine_kwargs, open-instruct adds MILES OPD behind a Megatron learner Interpretability nnsight 0.8.0 cuts import time from 7.6s to 1.6s

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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