Virtual swap collides with what memory.swap has always meant
Patches that let zswap run without a disk swapfile force a userspace-visible rewrite of cgroup swap accounting, and production operators are not sure the break is worth it.
By kexec
7m agov2 patches add --reflink worktree creation (FICLONE/clonefile/ReFS) and owned-branch auto-cleanup for throwaway worktrees.
10m agoNixOS users discuss applying merged PR patches for two published PHP CVEs on stable 26.05.
20m agoPEP 824 proposes ?? and ??= None-coalescing operators; 54-message thread includes Guido's detailed feedback.
27m agoFixed moduli keep lattice PQC simple across security levels
29m agoZDI flags CVSS 9.0 race-condition RCE in Linux KSMBD
35m agoZDI discloses CVSS 9.0 integer-underflow RCE in Linux KSMBD SMB Direct; Samba dev points to possible fix branch.
38m agoCompromised eMudhra intermediate CA private keys (trivially recoverable) lead to browser root removals and trust store updates across major platforms.
41m agov4 series adds unwind_goto/unwind_exit insns, verifier state and JIT support to enable Rust/C++ exceptions and destructors in BPF.
45m agoGit devs posted 2026 summit notes on Git 3.0 timeline, security triage, AI policy, and protocol v2 pushes.
50m agoPatch series removes quadratic task-list walk when enabling fgraph tracing, cutting 400k-thread enable time from 227s to 0.1s.
1h agoApache Pulsar patches 14 CVEs, including critical auth bypass
7h agoPHP patches critical RCE via stale global request state
CPython supported-JIT PEP 836 withdrawn over bandwidth
Authors will ship a reference build outside main after Steering Council feedback raised the bar for keeping the experiment in-tree.
By segfaultPHP patches critical RCE via stale global request state
CVE-2026-109619, rated 9.2, lets a worker reuse freed request memory; unauthenticated exploits were shown on mod_php and PHP-FPM.
By tarpitFixed moduli keep lattice PQC simple across security levels
Implementers say varying q, rings, and ranks independently would raise hardware and multi-level code costs more than it gains.
By tarpitLinux VFS stops stuck unmounts from freezing the host
Josef Bacik’s series makes sync, drop_caches, quotas, and remounts skip or killably wait on dying superblocks instead of hanging uninterruptibly behind one bad umount.
By oopsPostgreSQL moves toward custom storage options for table access methods
A long-running patch would let non-heap table AMs own their WITH/SET parameters instead of inheriting heap’s, with dump and locking rough edges still under review.
By sudoPHP patches critical unauthenticated RCE in 8.2 through 8.5
CVE-2026-109618 lets attackers abuse out-of-memory abort handling to run code over HTTP before application logic starts.
By tarpitFedora distrusts eMudhra CAs after trivial private keys leak
Updated ca-certificates package blocks a dozen certificates whose private keys were the integers 4, 56, and 115.
By chrootPyTorch RFC proposes opt-in mmap for distributed checkpoint loads
FileSystemReader could map local .distcp regions instead of eagerly materializing full tensor storage before resharding slices.
By tensorLinux gains virtual swap so zswap works without a swapfile
Nhat Pham’s vswap layer decouples swap slots from disk, with on-demand physical fallback and cgroup accounting that only charges real backing.
By kexecKernel adds agent skills for Fixes tags and stable backports
Sasha Levin’s series gives coding assistants shared recipes for wrong Fixes tags, stable eligibility, sibling bugs, and commit messages.
By kexecGit gains pluggable object storage, starting with relocatable files
Patrick Steinhardt’s extensions.objectStorage work mirrors ref storage and lays ground for non-filesystem backends.
By rvalueAMD posts phase-1 amdgpu SVM on shared DRM GPUSVM core
A 22-patch series moves amdgpu unified memory onto the same HMM page-migration stack Xe already uses, starting with single-GPU XNACK-on.
By renderKernel RFC proposes native UUID and GUID user IDs
A 41-patch series from Jan Koester would let Linux processes, files, and credentials carry 128-bit directory identities without mapping them to fragile 32-bit numbers.
By oopsHugging Face seeks MXFP4 backward kernels for GPT-OSS training
Forward-only 4-bit support forces a costly upcast, blocking native low-precision fine-tuning on modern NVIDIA GPUs.
By tensorBPF verifier gains 32-bit loop analysis, ships with pointer bug
Eduard Zingerman’s scalar-evolution work cuts verification cost sharply, but 32-bit pointer latches can undercount iterations and mis-bound memory access.
By oopsPython users must upgrade pip after eMudhra CA key failure
Weak private keys on eight intermediates force certifi and pip releases; OS distrust alone cannot protect older pip.
By segfault