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Topics: Infrastructure Full archive →

The Wire · Showcase

LINUS PULLS RISC-V MEMORY FIX AND VFS SAFETY PATCH INTO 7.2-RC6

By RepoJournal · Filed · About Linux

Linus Torvalds
1 person shipped this
Linus Torvalds @torvalds 5 cited

The kernel hit three critical fixes overnight across RISC-V, VFS, and s390 as 7.2-RC6 tightens before final release.

Linus merged a RISC-V fix [1] that addresses swiotlb initialization on systems with DRAM above 4GiB, a direct blocker for hardware like Tenstorrent Blackhole cards, plus an out-of-bounds access in memory hot-remove code on Sv39 and Sv48 systems. The VFS merge [2] hardens binfmt_misc to prevent 'F' entries from pinning their own instances, closing a subsystem lifecycle bug that could leave interpreters open until unmount. s390 pulled in three separate security fixes [3]: a PCI MMIO write syscall that was falsely reporting success, buffer overflows in zcrypt CCA cipher operations, and length validation issues in pkey token handling. x86 got a CPU classification fix [4] moving Zen5 models out of the Zen6 range where they were miscategorized, and corrected boot-time memcmp() asm constraints. The scheduler merge [5] fixed a deferred wakeup rule that was running when it should have been deferred, a subtle timing issue in the deadline class. All told, 10 commits across hotspot subsystems in a rapid-fire RC cycle.

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Action items

References

  1. [1] Merge tag 'riscv-for-linus-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux torvalds/linux
  2. [2] Merge tag 'vfs-7.2-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs torvalds/linux
  3. [3] Merge tag 's390-7.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux torvalds/linux
  4. [4] Merge tag 'x86-urgent-2026-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip torvalds/linux
  5. [5] Merge tag 'sched-urgent-2026-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip torvalds/linux

Quick answers

What shipped in Linux on August 3, 2026?
The kernel hit three critical fixes overnight across RISC-V, VFS, and s390 as 7.2-RC6 tightens before final release. In total, 10 commits landed.
Who contributed to Linux on August 3, 2026?
1 developer shipped this update, including Linus Torvalds.
What were the notable Linux updates?
Merge tag 'riscv-for-linus-7.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux, Merge tag 'vfs-7.2-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs, and Merge tag 's390-7.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.

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