A Syzkaller Summer: Fixing False Positive Soft Lockups in net/sched Fuzzing
ID: 61ad5909-3c36-5fe8-8860-32356e997a04
STIX ID: report--61ad5909-3c36-5fe8-8860-32356e997a04
Feed Name: Will's Root
Threat Score
A kernel vulnerability research blog describing extensive fuzzing of Linux net/sched that produced reproducible soft-lockups caused by extreme qdisc parameters and Syzkaller executor state leakage; the author details a minimal repro, Syzlang grammar changes to avoid false positives, turning the issue into a CTF challenge (HangBuzz101), and summarizes several CVEs found during the research—mostly local DoS with a few limited exploitable cases and associated bug-bounty activity.
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