[Reposted due to wrong LKML address, sorry Al]
Hi,
Looking at linux-2.6.11/fs/namespace.c line 418:
if (mnt == current->fs->rootmnt && !(flags & MNT_DETACH)) {
/*
* Special case for "unmounting" root ...
I wonder is this really a test for root? Couldn't the current->fs->rootmnt
"point" somewhere else if per-process namespaces are used? Is it intended
that processes can't umount their own root, or better to say, to only be
able to remount it read-only?
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