[PROF-15201] fix(profiler): close two TOCTOU races between SIGPROF handler and JFR lifecycle#614

Merged

r1viollet merged 14 commits into

mainfrom

r1viollet/fix-sigprof-jfr-races

Jul 3, 2026

Commits on Jun 23, 2026

fix(profiler): close two TOCTOU races between SIGPROF handler and JFR lifecycle

r1viollet
and
claude
committed

Commits on Jun 24, 2026

fix(profiler): bound drainInflight() with 200ms timeout to preserve liveness

r1viollet
and
claude
committed

Commits on Jun 25, 2026

refactor(ctimer): replace manual _inflight counter with RAII InflightGuard
r1viollet
committed
fix(ctimer): align _inflight to own cache line to prevent false sharing
r1viollet
committed

Commits on Jun 26, 2026

fix(ctimer): skip JFR teardown on drainInflight() timeout to prevent use-after-free
r1viollet
committed

Commits on Jun 29, 2026

Commits on Jun 30, 2026

Commits on Jul 1, 2026

fix(engine): make ITimer/PerfEvents _enabled RELEASE/ACQUIRE for arm64 drain safety
r1viollet
committed