In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix incorrect usage for sb_index Commit d7038f951828 ("md-bitmap: don't use ->index for pages backing the bitmap fi…

摘要

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix incorrect usage for sb_index Commit d7038f951828 ("md-bitmap: don't use ->index for pages backing the bitmap file") removed page->index from bitmap code, but left wrong code logic for clustered-md. current code never set slot offset for cluster nodes, will sometimes cause crash in clustered env. Call trace (partly): md_bitmap_file_set_bit+0x110/0x1d8 [md_mod] md_bitmap_startwrite+0x13c/0x240 [md_mod] rai…

中文摘要建设中，暂以英文摘要呈现（DR-003 v2）。