在 2023年7月13日星期四 CST 上午12:50:19,Christoph Hellwig 写道: > On Thu, Jul 13, 2023 at 12:46:05AM +0800, Zhang Shurong wrote: > > If rddev->raid_disk is greater than mddev->raid_disks, there will be > > an out-of-bounds in multipath_remove_disk. We have already found > > similar reports as follows: > > > > 1) commit d17f744e883b ("md-raid10: fix KASAN warning") > > 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk") > > > > Fix this bug by checking whether the "number" variable is > > valid. > > I think it might just be time to finally dropped the deprecated md > multipath code instead.. Should I write another patch to delete them?