一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年9月5日

CVE-2026-80820 – In the Linux kernel, the following vulnerability has been resolved: xfs: don’t livelock i

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In the Linux kernel, the following vulnerability has been resolved:

xfs: don’t livelock in scrub on a circular unlinked list

LOLLM points out that online fsck can livelock if an unlinked inode list
contains a loop. Use a bitmap to detect cycles.