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南宫雪珊
南宫雪珊
Linux 内核不再删除默认可忽略代码点 https://github.com/torvalds/linux/commit/5c26d2f1d3f5e4be3e196526bead29ecb139cf91 https://r.android.com/3304855 这个安全漏洞导致上游Linux修改行为,因为在具有F属性的文件夹下,路径比较逻辑会被绕过,相当于它有了无数别名。 另外,C+F casefold 依然有效,路径中包含s或ff等的继续受影响,具体列表参考 https://www.unico…
https://github.com/torvalds/linux/commit/231825b2e1ff6ba799c5eaf396d3ab2354e37c6b
长度变化+破坏哈希,让 f2fs 烂掉导致内核回退了。正确的修复是不对文件系统取消删除可忽略代码点,而是对查询字符串取消删除。
https://lore.kernel.org/lkml/CAHk-=wgF7AjODAyO9n+8SfTiQd9-=zTLKh4SQP-xEpeMUPHvAw@mail.gmail.com/
sdcardfs 的忽略大小写已经够烦人了,Google脑子抽风换成大小写折叠,简直就是噩梦
The correct solution is to not do case folding in filesystems, but sadly, people seem to never really understand that. People still see it as a feature, not a bug.
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