Daily update · Aug 17–18, 2026
Daily mainline digest: overlayfs learns idmapped mounts, a new fchroot() syscall arrives, binfmt_misc gains BPF and transparent interpreters, and fscrypt moves fully to blk-crypto.
New featuresBug fixesPerformanceSecurity and hardeningDeveloper changes
#binfmt_misc#fchroot#fscrypt#fsync#idmapped mounts#iomap
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Daily update · Aug 3–4, 2026
Pressure stall info threading gets reworked to drop cgroup_mutex before forking psimon, while sched_ext gains several cgroup locking and task-state fixes.
Bug fixes
#cgroups#fscrypt#KHO#PSI#sched_ext
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