Linux Kernel Daily: Race Conditions and Rc7
As Linux 7.2 approaches release, tracing and s390 crypto fixes both target the same root cause category: unsafe memory access under concurrency, in list iteration, buffer sizing, and CPRB parsing.
Duration: PT2M28S
Episode overview
This episode is a short developer briefing from Linux Kernel Daily.
It explains recent repository work in plain language.
- Show: Linux Kernel Daily
- Published: 2026-08-10T06:01:29Z
- Audio duration: PT2M28S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good day, and welcome to Linux Kernel Daily for August 10th, 2026.
Today's activity is small in volume but tight in focus. Two fix pulls landed just ahead of a release candidate, and both are fundamentally about memory safety under concurrency and untrusted input.
First, tracing. Steven Rostedt's pull, merged by Linus in commit b9b3e33, cleans up a cluster of use-after-free and race conditions in the ftrace and ring buffer subsystems. The eventfs code had a genuine use-after-free: iterating a list with the unsafe variant while entries were being freed via SRCU. The fix…
Second theme: s390 zcrypt. Vasily Gorbik's pull, commit b643e49, fixes a set of issues in CCA and EP11 crypto request handling. Malformed requests could trigger uninitialized memory reads or buffer overflows. The fix replaces fixed-layout assumptions with proper ASN.1 parsing and bounds checks, adds required padding…
Both pulls share a pattern: code that trusted internal invariants, buffer layout, counter state, list structure, that don't hold under concurrency or adversarial input.
Finally, commit db2ddb8 marks Linux 7.2-rc7. With fixes still landing this late, expect release to follow shortly once these settle.
Nearby episodes from Linux Kernel Daily
- SCSI Subsystem Stability Fixes
- A Late-Cycle Test Fix for Uprobes
- Late-Cycle Fixes for Crypto and Regmap
- Weekly Recap - Late-Cycle Fixes Across Tracing, USB, and Serial Drivers
- The Great Pre-Release Hardening Sweep
- Release Candidate Cleanup Week
- Race Conditions Under the Microscope
- A TLB Flush Bug Worth Remembering