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The Wire · Showcase

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

By RepoJournal · Filed · About Linux

Linus Torvalds David Heinemeier Hansson Christian Brauner
3 people shipped this
Linus Torvalds @torvalds 4 cited David Heinemeier Hansson @dhh 2 cited Christian Brauner @brauner 1 cited

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.

The kernel is tightening before final release with three major pull requests hitting the mainline. First, VFS fixes restore the ACL_DONT_CACHE permanent opt-out that FUSE servers depend on [1], after a helper inadvertently flipped it back to ACL_NOT_CACHED and re-enabled caching. Second, USB gains new device quirks and serial IDs plus a critical sysfs BOS removal race fix [3], while char/misc drivers get patched for rust_binder error reporting, firmware sequencing, and MEI issues [2]. The most dangerous fix lands in block device freezing: do_thaw_all_callback() held sb->s_umount while calling bdev_thaw(), creating a deadlock when the block device tried to reacquire the same lock [5]. Tracing subsystem gets a bounds-check fix moving array increments before access [4]. Over on Basecamp's omarchy, DHH shipped Taildrop file transfer support [7] and fixed zram device restarts that were erroring on already-frozen devices [6]. Activity across both desks: 50 commits, 9 PRs in the last 24 hours.

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Action items

References

  1. [1] Merge tag 'vfs-7.2-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs torvalds/linux
  2. [2] Merge tag 'char-misc-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc torvalds/linux
  3. [3] Merge tag 'usb-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb torvalds/linux
  4. [4] Merge tag 'trace-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace torvalds/linux
  5. [5] super: fix emergency thaw deadlock on frozen block devices torvalds/linux
  6. [6] Don't restart a zram device that exists but is swapped off basecamp/omarchy
  7. [7] Send and receive files with Taildrop (#6375) basecamp/omarchy

Quick answers

What shipped in Linux on July 27, 2026?
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. In total, 50 commits and 9 pull requests landed.
Who contributed to Linux on July 27, 2026?
3 developers shipped this update, including Linus Torvalds, Christian Brauner, and David Heinemeier Hansson.
What were the notable Linux updates?
Merge tag 'vfs-7.2-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs, Merge tag 'char-misc-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc, and Merge tag 'usb-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.

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